@angular/core - npm Package Compare versions

Comparing version 20.3.24 to 20.3.25

schematics/bundles/apply_import_manager-B07hvMke.cjs

+'use strict';
+/**
+ * @license Angular v20.3.25
+ * (c) 2010-2025 Google LLC. https://angular.io/
+ * License: MIT
+ */
+'use strict';
+
+var ts = require('typescript');
+require('os');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
+
+/**
+ * Applies import manager changes, and writes them as replacements the
+ * given result array.
+ */
+function applyImportManagerChanges(importManager, replacements, sourceFiles, info) {
+    const { newImports, updatedImports, deletedImports } = importManager.finalize();
+    const printer = ts.createPrinter({});
+    const pathToFile = new Map(sourceFiles.map((s) => [s.fileName, s]));
+    // Capture new imports
+    newImports.forEach((newImports, fileName) => {
+        newImports.forEach((newImport) => {
+            const printedImport = printer.printNode(ts.EmitHint.Unspecified, newImport, pathToFile.get(fileName));
+            replacements.push(new project_paths.Replacement(project_paths.projectFile(project_tsconfig_paths.absoluteFrom(fileName), info), new project_paths.TextUpdate({ position: 0, end: 0, toInsert: `${printedImport}\n` })));
+        });
+    });
+    // Capture updated imports
+    for (const [oldBindings, newBindings] of updatedImports.entries()) {
+        // The import will be generated as multi-line if it already is multi-line,
+        // or if the number of elements significantly increased and it previously
+        // consisted of very few specifiers.
+        const isMultiline = oldBindings.getText().includes('\n') ||
+            (newBindings.elements.length >= 6 && oldBindings.elements.length <= 3);
+        const hasSpaceBetweenBraces = oldBindings.getText().startsWith('{ ');
+        let formatFlags = ts.ListFormat.NamedImportsOrExportsElements |
+            ts.ListFormat.Indented |
+            ts.ListFormat.Braces |
+            ts.ListFormat.PreserveLines |
+            (isMultiline ? ts.ListFormat.MultiLine : ts.ListFormat.SingleLine);
+        if (hasSpaceBetweenBraces) {
+            formatFlags |= ts.ListFormat.SpaceBetweenBraces;
+        }
+        else {
+            formatFlags &= ~ts.ListFormat.SpaceBetweenBraces;
+        }
+        const printedBindings = printer.printList(formatFlags, newBindings.elements, oldBindings.getSourceFile());
+        replacements.push(new project_paths.Replacement(project_paths.projectFile(oldBindings.getSourceFile(), info), new project_paths.TextUpdate({
+            position: oldBindings.getStart(),
+            end: oldBindings.getEnd(),
+            // TS uses four spaces as indent. We migrate to two spaces as we
+            // assume this to be more common.
+            toInsert: printedBindings.replace(/^ {4}/gm, '  '),
+        })));
+    }
+    // Update removed imports
+    for (const removedImport of deletedImports) {
+        replacements.push(new project_paths.Replacement(project_paths.projectFile(removedImport.getSourceFile(), info), new project_paths.TextUpdate({
+            position: removedImport.getStart(),
+            end: removedImport.getEnd(),
+            toInsert: '',
+        })));
+    }
+}
+
+exports.applyImportManagerChanges = applyImportManagerChanges;

schematics/bundles/compiler_host-h0Gs3Ohk.cjs

+'use strict';
+/**
+ * @license Angular v20.3.25
+ * (c) 2010-2025 Google LLC. https://angular.io/
+ * License: MIT
+ */
+'use strict';
+
+var ts = require('typescript');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+require('os');
+var p = require('path');
+
+function _interopNamespaceDefault(e) {
+    var n = Object.create(null);
+    if (e) {
+        Object.keys(e).forEach(function (k) {
+            if (k !== 'default') {
+                var d = Object.getOwnPropertyDescriptor(e, k);
+                Object.defineProperty(n, k, d.get ? d : {
+                    enumerable: true,
+                    get: function () { return e[k]; }
+                });
+            }
+        });
+    }
+    n.default = e;
+    return Object.freeze(n);
+}
+
+var p__namespace = /*#__PURE__*/_interopNamespaceDefault(p);
+
+/** Tracks changes that have to be made for specific files. */
+class ChangeTracker {
+    _printer;
+    _importRemapper;
+    _changes = new Map();
+    _importManager;
+    _quotesCache = new WeakMap();
+    constructor(_printer, _importRemapper) {
+        this._printer = _printer;
+        this._importRemapper = _importRemapper;
+        this._importManager = new project_tsconfig_paths.ImportManager({
+            shouldUseSingleQuotes: (file) => this._getQuoteKind(file) === 0 /* QuoteKind.SINGLE */,
+        });
+    }
+    /**
+     * Tracks the insertion of some text.
+     * @param sourceFile File in which the text is being inserted.
+     * @param start Index at which the text is insert.
+     * @param text Text to be inserted.
+     */
+    insertText(sourceFile, index, text) {
+        this._trackChange(sourceFile, { start: index, text });
+    }
+    /**
+     * Replaces text within a file.
+     * @param sourceFile File in which to replace the text.
+     * @param start Index from which to replace the text.
+     * @param removeLength Length of the text being replaced.
+     * @param text Text to be inserted instead of the old one.
+     */
+    replaceText(sourceFile, start, removeLength, text) {
+        this._trackChange(sourceFile, { start, removeLength, text });
+    }
+    /**
+     * Replaces the text of an AST node with a new one.
+     * @param oldNode Node to be replaced.
+     * @param newNode New node to be inserted.
+     * @param emitHint Hint when formatting the text of the new node.
+     * @param sourceFileWhenPrinting File to use when printing out the new node. This is important
+     * when copying nodes from one file to another, because TypeScript might not output literal nodes
+     * without it.
+     */
+    replaceNode(oldNode, newNode, emitHint = ts.EmitHint.Unspecified, sourceFileWhenPrinting) {
+        const sourceFile = oldNode.getSourceFile();
+        this.replaceText(sourceFile, oldNode.getStart(), oldNode.getWidth(), this._printer.printNode(emitHint, newNode, sourceFileWhenPrinting || sourceFile));
+    }
+    /**
+     * Removes the text of an AST node from a file.
+     * @param node Node whose text should be removed.
+     * @param useFullOffsets Whether to remove the node using its full offset (e.g. `getFullStart`
+     * rather than `fullStart`). This has the advantage of removing any comments that may be tied
+     * to the node, but can lead to too much code being deleted.
+     */
+    removeNode(node, useFullOffsets = false) {
+        this._trackChange(node.getSourceFile(), {
+            start: useFullOffsets ? node.getFullStart() : node.getStart(),
+            removeLength: useFullOffsets ? node.getFullWidth() : node.getWidth(),
+            text: '',
+        });
+    }
+    /**
+     * Adds an import to a file.
+     * @param sourceFile File to which to add the import.
+     * @param symbolName Symbol being imported.
+     * @param moduleName Module from which the symbol is imported.
+     * @param alias Alias to use for the import.
+     */
+    addImport(sourceFile, symbolName, moduleName, alias) {
+        if (this._importRemapper) {
+            moduleName = this._importRemapper(moduleName, sourceFile.fileName);
+        }
+        // It's common for paths to be manipulated with Node's `path` utilties which
+        // can yield a path with back slashes. Normalize them since outputting such
+        // paths will also cause TS to escape the forward slashes.
+        moduleName = normalizePath(moduleName);
+        if (!this._changes.has(sourceFile)) {
+            this._changes.set(sourceFile, []);
+        }
+        return this._importManager.addImport({
+            requestedFile: sourceFile,
+            exportSymbolName: symbolName,
+            exportModuleSpecifier: moduleName,
+            unsafeAliasOverride: alias,
+        });
+    }
+    /**
+     * Removes an import from a file.
+     * @param sourceFile File from which to remove the import.
+     * @param symbolName Original name of the symbol to be removed. Used even if the import is aliased.
+     * @param moduleName Module from which the symbol is imported.
+     */
+    removeImport(sourceFile, symbolName, moduleName) {
+        // It's common for paths to be manipulated with Node's `path` utilties which
+        // can yield a path with back slashes. Normalize them since outputting such
+        // paths will also cause TS to escape the forward slashes.
+        moduleName = normalizePath(moduleName);
+        if (!this._changes.has(sourceFile)) {
+            this._changes.set(sourceFile, []);
+        }
+        this._importManager.removeImport(sourceFile, symbolName, moduleName);
+    }
+    /**
+     * Gets the changes that should be applied to all the files in the migration.
+     * The changes are sorted in the order in which they should be applied.
+     */
+    recordChanges() {
+        this._recordImports();
+        return this._changes;
+    }
+    /**
+     * Clear the tracked changes
+     */
+    clearChanges() {
+        this._changes.clear();
+    }
+    /**
+     * Adds a change to a `ChangesByFile` map.
+     * @param file File that the change is associated with.
+     * @param change Change to be added.
+     */
+    _trackChange(file, change) {
+        const changes = this._changes.get(file);
+        if (changes) {
+            // Insert the changes in reverse so that they're applied in reverse order.
+            // This ensures that the offsets of subsequent changes aren't affected by
+            // previous changes changing the file's text.
+            const insertIndex = changes.findIndex((current) => current.start <= change.start);
+            if (insertIndex === -1) {
+                changes.push(change);
+            }
+            else {
+                changes.splice(insertIndex, 0, change);
+            }
+        }
+        else {
+            this._changes.set(file, [change]);
+        }
+    }
+    /** Determines what kind of quotes to use for a specific file. */
+    _getQuoteKind(sourceFile) {
+        if (this._quotesCache.has(sourceFile)) {
+            return this._quotesCache.get(sourceFile);
+        }
+        let kind = 0 /* QuoteKind.SINGLE */;
+        for (const statement of sourceFile.statements) {
+            if (ts.isImportDeclaration(statement) && ts.isStringLiteral(statement.moduleSpecifier)) {
+                kind = statement.moduleSpecifier.getText()[0] === '"' ? 1 /* QuoteKind.DOUBLE */ : 0 /* QuoteKind.SINGLE */;
+                this._quotesCache.set(sourceFile, kind);
+                break;
+            }
+        }
+        return kind;
+    }
+    /** Records the pending import changes from the import manager. */
+    _recordImports() {
+        const { newImports, updatedImports, deletedImports } = this._importManager.finalize();
+        for (const [original, replacement] of updatedImports) {
+            this.replaceNode(original, replacement);
+        }
+        for (const node of deletedImports) {
+            this.removeNode(node);
+        }
+        for (const [sourceFile] of this._changes) {
+            const importsToAdd = newImports.get(sourceFile.fileName);
+            if (!importsToAdd) {
+                continue;
+            }
+            const importLines = [];
+            let lastImport = null;
+            for (const statement of sourceFile.statements) {
+                if (ts.isImportDeclaration(statement)) {
+                    lastImport = statement;
+                }
+            }
+            for (const decl of importsToAdd) {
+                importLines.push(this._printer.printNode(ts.EmitHint.Unspecified, decl, sourceFile));
+            }
+            this.insertText(sourceFile, lastImport ? lastImport.getEnd() : 0, (lastImport ? '\n' : '') + importLines.join('\n'));
+        }
+    }
+}
+/** Normalizes a path to use posix separators. */
+function normalizePath(path) {
+    return path.replace(/\\/g, '/');
+}
+
+function parseTsconfigFile(tsconfigPath, basePath) {
+    const { config } = ts.readConfigFile(tsconfigPath, ts.sys.readFile);
+    const parseConfigHost = {
+        useCaseSensitiveFileNames: ts.sys.useCaseSensitiveFileNames,
+        fileExists: ts.sys.fileExists,
+        readDirectory: ts.sys.readDirectory,
+        readFile: ts.sys.readFile,
+    };
+    // Throw if incorrect arguments are passed to this function. Passing relative base paths
+    // results in root directories not being resolved and in later type checking runtime errors.
+    // More details can be found here: https://github.com/microsoft/TypeScript/issues/37731.
+    if (!p__namespace.isAbsolute(basePath)) {
+        throw Error('Unexpected relative base path has been specified.');
+    }
+    return ts.parseJsonConfigFileContent(config, parseConfigHost, basePath, {});
+}
+
+/**
+ * Creates a TypeScript program instance for a TypeScript project within
+ * the virtual file system tree.
+ * @param tree Virtual file system tree that contains the source files.
+ * @param tsconfigPath Virtual file system path that resolves to the TypeScript project.
+ * @param basePath Base path for the virtual file system tree.
+ * @param fakeFileRead Optional file reader function. Can be used to overwrite files in
+ *   the TypeScript program, or to add in-memory files (e.g. to add global types).
+ * @param additionalFiles Additional file paths that should be added to the program.
+ */
+function createMigrationProgram(tree, tsconfigPath, basePath, fakeFileRead, additionalFiles) {
+    const { rootNames, options, host } = createProgramOptions(tree, tsconfigPath, basePath, fakeFileRead);
+    return ts.createProgram(rootNames, options, host);
+}
+/**
+ * Creates the options necessary to instantiate a TypeScript program.
+ * @param tree Virtual file system tree that contains the source files.
+ * @param tsconfigPath Virtual file system path that resolves to the TypeScript project.
+ * @param basePath Base path for the virtual file system tree.
+ * @param fakeFileRead Optional file reader function. Can be used to overwrite files in
+ *   the TypeScript program, or to add in-memory files (e.g. to add global types).
+ * @param additionalFiles Additional file paths that should be added to the program.
+ * @param optionOverrides Overrides of the parsed compiler options.
+ */
+function createProgramOptions(tree, tsconfigPath, basePath, fakeFileRead, additionalFiles, optionOverrides) {
+    // Resolve the tsconfig path to an absolute path. This is needed as TypeScript otherwise
+    // is not able to resolve root directories in the given tsconfig. More details can be found
+    // in the following issue: https://github.com/microsoft/TypeScript/issues/37731.
+    tsconfigPath = p.resolve(basePath, tsconfigPath);
+    const parsed = parseTsconfigFile(tsconfigPath, p.dirname(tsconfigPath));
+    const options = optionOverrides ? { ...parsed.options, ...optionOverrides } : parsed.options;
+    const host = createMigrationCompilerHost(tree, options, basePath, fakeFileRead);
+    return { rootNames: parsed.fileNames.concat([]), options, host };
+}
+function createMigrationCompilerHost(tree, options, basePath, fakeRead) {
+    const host = ts.createCompilerHost(options, true);
+    const defaultReadFile = host.readFile;
+    // We need to overwrite the host "readFile" method, as we want the TypeScript
+    // program to be based on the file contents in the virtual file tree. Otherwise
+    // if we run multiple migrations we might have intersecting changes and
+    // source files.
+    host.readFile = (fileName) => {
+        const treeRelativePath = p.relative(basePath, fileName);
+        let result = fakeRead?.(treeRelativePath);
+        if (typeof result !== 'string') {
+            // If the relative path resolved to somewhere outside of the tree, fall back to
+            // TypeScript's default file reading function since the `tree` will throw an error.
+            result = treeRelativePath.startsWith('..')
+                ? defaultReadFile.call(host, fileName)
+                : tree.read(treeRelativePath)?.toString();
+        }
+        // Strip BOM as otherwise TSC methods (Ex: getWidth) will return an offset,
+        // which breaks the CLI UpdateRecorder.
+        // See: https://github.com/angular/angular/pull/30719
+        return typeof result === 'string' ? result.replace(/^\uFEFF/, '') : undefined;
+    };
+    return host;
+}
+/**
+ * Checks whether a file can be migrate by our automated migrations.
+ * @param basePath Absolute path to the project.
+ * @param sourceFile File being checked.
+ * @param program Program that includes the source file.
+ */
+function canMigrateFile(basePath, sourceFile, program) {
+    // We shouldn't migrate .d.ts files, files from an external library or type checking files.
+    if (sourceFile.fileName.endsWith('.ngtypecheck.ts') ||
+        sourceFile.isDeclarationFile ||
+        program.isSourceFileFromExternalLibrary(sourceFile)) {
+        return false;
+    }
+    // Our migrations are set up to create a `Program` from the project's tsconfig and to migrate all
+    // the files within the program. This can include files that are outside of the Angular CLI
+    // project. We can't migrate files outside of the project, because our file system interactions
+    // go through the CLI's `Tree` which assumes that all files are within the project. See:
+    // https://github.com/angular/angular-cli/blob/0b0961c9c233a825b6e4bb59ab7f0790f9b14676/packages/angular_devkit/schematics/src/tree/host-tree.ts#L131
+    return !p.relative(basePath, sourceFile.fileName).startsWith('..');
+}
+
+exports.ChangeTracker = ChangeTracker;
+exports.canMigrateFile = canMigrateFile;
+exports.createMigrationProgram = createMigrationProgram;
+exports.createProgramOptions = createProgramOptions;
+exports.normalizePath = normalizePath;

schematics/bundles/index-BBy3Kkj5.cjs

+'use strict';
+/**
+ * @license Angular v20.3.25
+ * (c) 2010-2025 Google LLC. https://angular.io/
+ * License: MIT
+ */
+'use strict';
+
+var ts = require('typescript');
+require('os');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+var index = require('./index-BXTnqAYJ.cjs');
+require('path');
+require('node:path');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
+
+function getMemberName(member) {
+    if (member.name === undefined) {
+        return null;
+    }
+    if (ts.isIdentifier(member.name) || ts.isStringLiteralLike(member.name)) {
+        return member.name.text;
+    }
+    if (ts.isPrivateIdentifier(member.name)) {
+        return `#${member.name.text}`;
+    }
+    return null;
+}
+
+/** Checks whether the given node can be an `@Input()` declaration node. */
+function isInputContainerNode(node) {
+    return (((ts.isAccessor(node) && ts.isClassDeclaration(node.parent)) ||
+        ts.isPropertyDeclaration(node)) &&
+        getMemberName(node) !== null);
+}
+
+/**
+ * Detects `query(By.directive(T)).componentInstance` patterns and enhances
+ * them with information of `T`. This is important because `.componentInstance`
+ * is currently typed as `any` and may cause runtime test failures after input
+ * migrations then.
+ *
+ * The reference resolution pass leverages information from this pattern
+ * recognizer.
+ */
+class DebugElementComponentInstance {
+    checker;
+    cache = new WeakMap();
+    constructor(checker) {
+        this.checker = checker;
+    }
+    detect(node) {
+        if (this.cache.has(node)) {
+            return this.cache.get(node);
+        }
+        if (!ts.isPropertyAccessExpression(node)) {
+            return null;
+        }
+        // Check for `<>.componentInstance`.
+        if (!ts.isIdentifier(node.name) || node.name.text !== 'componentInstance') {
+            return null;
+        }
+        // Check for `<>.query(..).<>`.
+        if (!ts.isCallExpression(node.expression) ||
+            !ts.isPropertyAccessExpression(node.expression.expression) ||
+            !ts.isIdentifier(node.expression.expression.name) ||
+            node.expression.expression.name.text !== 'query') {
+            return null;
+        }
+        const queryCall = node.expression;
+        if (queryCall.arguments.length !== 1) {
+            return null;
+        }
+        const queryArg = queryCall.arguments[0];
+        let typeExpr;
+        if (ts.isCallExpression(queryArg) &&
+            queryArg.arguments.length === 1 &&
+            ts.isIdentifier(queryArg.arguments[0])) {
+            // Detect references, like: `query(By.directive(T))`.
+            typeExpr = queryArg.arguments[0];
+        }
+        else if (ts.isIdentifier(queryArg)) {
+            // Detect references, like: `harness.query(T)`.
+            typeExpr = queryArg;
+        }
+        else {
+            return null;
+        }
+        const symbol = this.checker.getSymbolAtLocation(typeExpr);
+        if (symbol?.valueDeclaration === undefined ||
+            !ts.isClassDeclaration(symbol?.valueDeclaration)) {
+            // Cache this as we use the expensive type checker.
+            this.cache.set(node, null);
+            return null;
+        }
+        const type = this.checker.getTypeAtLocation(symbol.valueDeclaration);
+        this.cache.set(node, type);
+        return type;
+    }
+}
+
+/**
+ * Recognizes `Partial<T>` instances in Catalyst tests. Those type queries
+ * are likely used for typing property initialization values for the given class `T`
+ * and we have a few scenarios:
+ *
+ *   1. The API does not unwrap signal inputs. In which case, the values are likely no
+ *      longer assignable to an `InputSignal`.
+ *   2. The API does unwrap signal inputs, in which case we need to unwrap the `Partial`
+ *      because the values are raw initial values, like they were before.
+ *
+ * We can enable this heuristic when we detect Catalyst as we know it supports unwrapping.
+ */
+class PartialDirectiveTypeInCatalystTests {
+    checker;
+    knownFields;
+    constructor(checker, knownFields) {
+        this.checker = checker;
+        this.knownFields = knownFields;
+    }
+    detect(node) {
+        // Detect `Partial<...>`
+        if (!ts.isTypeReferenceNode(node) ||
+            !ts.isIdentifier(node.typeName) ||
+            node.typeName.text !== 'Partial') {
+            return null;
+        }
+        // Ignore if the source file doesn't reference Catalyst.
+        if (!node.getSourceFile().text.includes('angular2/testing/catalyst')) {
+            return null;
+        }
+        // Extract T of `Partial<T>`.
+        const cmpTypeArg = node.typeArguments?.[0];
+        if (!cmpTypeArg ||
+            !ts.isTypeReferenceNode(cmpTypeArg) ||
+            !ts.isIdentifier(cmpTypeArg.typeName)) {
+            return null;
+        }
+        const cmpType = cmpTypeArg.typeName;
+        const symbol = this.checker.getSymbolAtLocation(cmpType);
+        // Note: Technically the class might be derived of an input-containing class,
+        // but this is out of scope for now. We can expand if we see it's a common case.
+        if (symbol?.valueDeclaration === undefined ||
+            !ts.isClassDeclaration(symbol.valueDeclaration) ||
+            !this.knownFields.shouldTrackClassReference(symbol.valueDeclaration)) {
+            return null;
+        }
+        return { referenceNode: node, targetClass: symbol.valueDeclaration };
+    }
+}
+
+/**
+ * Attempts to look up the given property access chain using
+ * the type checker.
+ *
+ * Notably this is not as safe as using the type checker directly to
+ * retrieve symbols of a given identifier, but in some cases this is
+ * a necessary approach to compensate e.g. for a lack of TCB information
+ * when processing Angular templates.
+ *
+ * The path is a list of properties to be accessed sequentially on the
+ * given type.
+ */
+function lookupPropertyAccess(checker, type, path, options = {}) {
+    let symbol = null;
+    for (const propName of path) {
+        // Note: We support assuming `NonNullable` for the pathl This is necessary
+        // in some situations as otherwise the lookups would fail to resolve the target
+        // symbol just because of e.g. a ternary. This is used in the signal input migration
+        // for host bindings.
+        type = options.ignoreNullability ? type.getNonNullableType() : type;
+        const propSymbol = type.getProperty(propName);
+        if (propSymbol === undefined) {
+            return null;
+        }
+        symbol = propSymbol;
+        type = checker.getTypeOfSymbol(propSymbol);
+    }
+    if (symbol === null) {
+        return null;
+    }
+    return { symbol, type };
+}
+
+/**
+ * AST visitor that iterates through a template and finds all
+ * input references.
+ *
+ * This resolution is important to be able to migrate references to inputs
+ * that will be migrated to signal inputs.
+ */
+class TemplateReferenceVisitor extends project_tsconfig_paths.RecursiveVisitor {
+    result = [];
+    /**
+     * Whether we are currently descending into HTML AST nodes
+     * where all bound attributes are considered potentially narrowing.
+     *
+     * Keeps track of all referenced inputs in such attribute expressions.
+     */
+    templateAttributeReferencedFields = null;
+    expressionVisitor;
+    seenKnownFieldsCount = new Map();
+    constructor(typeChecker, templateTypeChecker, componentClass, knownFields, fieldNamesToConsiderForReferenceLookup) {
+        super();
+        this.expressionVisitor = new TemplateExpressionReferenceVisitor(typeChecker, templateTypeChecker, componentClass, knownFields, fieldNamesToConsiderForReferenceLookup);
+    }
+    checkExpressionForReferencedFields(activeNode, expressionNode) {
+        const referencedFields = this.expressionVisitor.checkTemplateExpression(activeNode, expressionNode);
+        // Add all references to the overall visitor result.
+        this.result.push(...referencedFields);
+        // Count usages of seen input references. We'll use this to make decisions
+        // based on whether inputs are potentially narrowed or not.
+        for (const input of referencedFields) {
+            this.seenKnownFieldsCount.set(input.targetField.key, (this.seenKnownFieldsCount.get(input.targetField.key) ?? 0) + 1);
+        }
+        return referencedFields;
+    }
+    descendAndCheckForNarrowedSimilarReferences(potentiallyNarrowedInputs, descend) {
+        const inputs = potentiallyNarrowedInputs.map((i) => ({
+            ref: i,
+            key: i.targetField.key,
+            pastCount: this.seenKnownFieldsCount.get(i.targetField.key) ?? 0,
+        }));
+        descend();
+        for (const input of inputs) {
+            // Input was referenced inside a narrowable spot, and is used in child nodes.
+            // This is a sign for the input to be narrowed. Mark it as such.
+            if ((this.seenKnownFieldsCount.get(input.key) ?? 0) > input.pastCount) {
+                input.ref.isLikelyNarrowed = true;
+            }
+        }
+    }
+    visitTemplate(template) {
+        // Note: We assume all bound expressions for templates may be subject
+        // to TCB narrowing. This is relevant for now until we support narrowing
+        // of signal calls in templates.
+        // TODO: Remove with: https://github.com/angular/angular/pull/55456.
+        this.templateAttributeReferencedFields = [];
+        project_tsconfig_paths.visitAll(this, template.attributes);
+        project_tsconfig_paths.visitAll(this, template.templateAttrs);
+        // If we are dealing with a microsyntax template, do not check
+        // inputs and outputs as those are already passed to the children.
+        // Template attributes may contain relevant expressions though.
+        if (template.tagName === 'ng-template') {
+            project_tsconfig_paths.visitAll(this, template.inputs);
+            project_tsconfig_paths.visitAll(this, template.outputs);
+        }
+        const referencedInputs = this.templateAttributeReferencedFields;
+        this.templateAttributeReferencedFields = null;
+        this.descendAndCheckForNarrowedSimilarReferences(referencedInputs, () => {
+            project_tsconfig_paths.visitAll(this, template.children);
+            project_tsconfig_paths.visitAll(this, template.references);
+            project_tsconfig_paths.visitAll(this, template.variables);
+        });
+    }
+    visitIfBlockBranch(block) {
+        if (block.expression) {
+            const referencedFields = this.checkExpressionForReferencedFields(block, block.expression);
+            this.descendAndCheckForNarrowedSimilarReferences(referencedFields, () => {
+                super.visitIfBlockBranch(block);
+            });
+        }
+        else {
+            super.visitIfBlockBranch(block);
+        }
+    }
+    visitForLoopBlock(block) {
+        this.checkExpressionForReferencedFields(block, block.expression);
+        this.checkExpressionForReferencedFields(block, block.trackBy);
+        super.visitForLoopBlock(block);
+    }
+    visitSwitchBlock(block) {
+        const referencedFields = this.checkExpressionForReferencedFields(block, block.expression);
+        this.descendAndCheckForNarrowedSimilarReferences(referencedFields, () => {
+            super.visitSwitchBlock(block);
+        });
+    }
+    visitSwitchBlockCase(block) {
+        if (block.expression) {
+            const referencedFields = this.checkExpressionForReferencedFields(block, block.expression);
+            this.descendAndCheckForNarrowedSimilarReferences(referencedFields, () => {
+                super.visitSwitchBlockCase(block);
+            });
+        }
+        else {
+            super.visitSwitchBlockCase(block);
+        }
+    }
+    visitDeferredBlock(deferred) {
+        if (deferred.triggers.when) {
+            this.checkExpressionForReferencedFields(deferred, deferred.triggers.when.value);
+        }
+        if (deferred.prefetchTriggers.when) {
+            this.checkExpressionForReferencedFields(deferred, deferred.prefetchTriggers.when.value);
+        }
+        super.visitDeferredBlock(deferred);
+    }
+    visitBoundText(text) {
+        this.checkExpressionForReferencedFields(text, text.value);
+    }
+    visitBoundEvent(attribute) {
+        this.checkExpressionForReferencedFields(attribute, attribute.handler);
+    }
+    visitBoundAttribute(attribute) {
+        const referencedFields = this.checkExpressionForReferencedFields(attribute, attribute.value);
+        // Attributes inside templates are potentially "narrowed" and hence we
+        // keep track of all referenced inputs to see if they actually are.
+        if (this.templateAttributeReferencedFields !== null) {
+            this.templateAttributeReferencedFields.push(...referencedFields);
+        }
+    }
+}
+/**
+ * Expression AST visitor that checks whether a given expression references
+ * a known `@Input()`.
+ *
+ * This resolution is important to be able to migrate references to inputs
+ * that will be migrated to signal inputs.
+ */
+class TemplateExpressionReferenceVisitor extends project_tsconfig_paths.RecursiveAstVisitor {
+    typeChecker;
+    templateTypeChecker;
+    componentClass;
+    knownFields;
+    fieldNamesToConsiderForReferenceLookup;
+    activeTmplAstNode = null;
+    detectedInputReferences = [];
+    isInsideObjectShorthandExpression = false;
+    insideConditionalExpressionsWithReads = [];
+    constructor(typeChecker, templateTypeChecker, componentClass, knownFields, fieldNamesToConsiderForReferenceLookup) {
+        super();
+        this.typeChecker = typeChecker;
+        this.templateTypeChecker = templateTypeChecker;
+        this.componentClass = componentClass;
+        this.knownFields = knownFields;
+        this.fieldNamesToConsiderForReferenceLookup = fieldNamesToConsiderForReferenceLookup;
+    }
+    /** Checks the given AST expression. */
+    checkTemplateExpression(activeNode, expressionNode) {
+        this.detectedInputReferences = [];
+        this.activeTmplAstNode = activeNode;
+        expressionNode.visit(this, []);
+        return this.detectedInputReferences;
+    }
+    visit(ast, context) {
+        super.visit(ast, [...context, ast]);
+    }
+    // Keep track when we are inside an object shorthand expression. This is
+    // necessary as we need to expand the shorthand to invoke a potential new signal.
+    // E.g. `{bla}` may be transformed to `{bla: bla()}`.
+    visitLiteralMap(ast, context) {
+        for (const [idx, key] of ast.keys.entries()) {
+            this.isInsideObjectShorthandExpression = !!key.isShorthandInitialized;
+            ast.values[idx].visit(this, context);
+            this.isInsideObjectShorthandExpression = false;
+        }
+    }
+    visitPropertyRead(ast, context) {
+        this._inspectPropertyAccess(ast, false, context);
+        super.visitPropertyRead(ast, context);
+    }
+    visitSafePropertyRead(ast, context) {
+        this._inspectPropertyAccess(ast, false, context);
+        super.visitPropertyRead(ast, context);
+    }
+    visitBinary(ast, context) {
+        if (ast.operation === '=' && ast.left instanceof project_tsconfig_paths.PropertyRead) {
+            this._inspectPropertyAccess(ast.left, true, [...context, ast, ast.left]);
+        }
+        else {
+            super.visitBinary(ast, context);
+        }
+    }
+    visitConditional(ast, context) {
+        this.visit(ast.condition, context);
+        this.insideConditionalExpressionsWithReads.push(ast.condition);
+        this.visit(ast.trueExp, context);
+        this.visit(ast.falseExp, context);
+        this.insideConditionalExpressionsWithReads.pop();
+    }
+    /**
+     * Inspects the property access and attempts to resolve whether they access
+     * a known field. If so, the result is captured.
+     */
+    _inspectPropertyAccess(ast, isAssignment, astPath) {
+        if (this.fieldNamesToConsiderForReferenceLookup !== null &&
+            !this.fieldNamesToConsiderForReferenceLookup.has(ast.name)) {
+            return;
+        }
+        const isWrite = !!(isAssignment ||
+            (this.activeTmplAstNode && isTwoWayBindingNode(this.activeTmplAstNode)));
+        this._checkAccessViaTemplateTypeCheckBlock(ast, isWrite, astPath) ||
+            this._checkAccessViaOwningComponentClassType(ast, isWrite, astPath);
+    }
+    /**
+     * Checks whether the node refers to an input using the TCB information.
+     * Type check block may not exist for e.g. test components, so this can return `null`.
+     */
+    _checkAccessViaTemplateTypeCheckBlock(ast, isWrite, astPath) {
+        // There might be no template type checker. E.g. if we check host bindings.
+        if (this.templateTypeChecker === null) {
+            return false;
+        }
+        const symbol = this.templateTypeChecker.getSymbolOfNode(ast, this.componentClass);
+        if (symbol?.kind !== project_tsconfig_paths.SymbolKind.Expression || symbol.tsSymbol === null) {
+            return false;
+        }
+        // Dangerous: Type checking symbol retrieval is a totally different `ts.Program`,
+        // than the one where we analyzed `knownInputs`.
+        // --> Find the input via its input id.
+        const targetInput = this.knownFields.attemptRetrieveDescriptorFromSymbol(symbol.tsSymbol);
+        if (targetInput === null) {
+            return false;
+        }
+        this.detectedInputReferences.push({
+            targetNode: targetInput.node,
+            targetField: targetInput,
+            read: ast,
+            readAstPath: astPath,
+            context: this.activeTmplAstNode,
+            isLikelyNarrowed: this._isPartOfNarrowingTernary(ast),
+            isObjectShorthandExpression: this.isInsideObjectShorthandExpression,
+            isWrite,
+        });
+        return true;
+    }
+    /**
+     * Simple resolution checking whether the given AST refers to a known input.
+     * This is a fallback for when there is no type checking information (e.g. in host bindings).
+     *
+     * It attempts to resolve references by traversing accesses of the "component class" type.
+     * e.g. `this.bla` is resolved via `CompType#bla` and further.
+     */
+    _checkAccessViaOwningComponentClassType(ast, isWrite, astPath) {
+        // We might check host bindings, which can never point to template variables or local refs.
+        const expressionTemplateTarget = this.templateTypeChecker === null
+            ? null
+            : this.templateTypeChecker.getExpressionTarget(ast, this.componentClass);
+        // Skip checking if:
+        // - the reference resolves to a template variable or local ref. No way to resolve without TCB.
+        // - the owning component does not have a name (should not happen technically).
+        if (expressionTemplateTarget !== null || this.componentClass.name === undefined) {
+            return;
+        }
+        const property = traverseReceiverAndLookupSymbol(ast, this.componentClass, this.typeChecker);
+        if (property === null) {
+            return;
+        }
+        const matchingTarget = this.knownFields.attemptRetrieveDescriptorFromSymbol(property);
+        if (matchingTarget === null) {
+            return;
+        }
+        this.detectedInputReferences.push({
+            targetNode: matchingTarget.node,
+            targetField: matchingTarget,
+            read: ast,
+            readAstPath: astPath,
+            context: this.activeTmplAstNode,
+            isLikelyNarrowed: this._isPartOfNarrowingTernary(ast),
+            isObjectShorthandExpression: this.isInsideObjectShorthandExpression,
+            isWrite,
+        });
+    }
+    _isPartOfNarrowingTernary(read) {
+        // Note: We do not safe check that the reads are fully matching 1:1. This is acceptable
+        // as worst case we just skip an input from being migrated. This is very unlikely too.
+        return this.insideConditionalExpressionsWithReads.some((r) => (r instanceof project_tsconfig_paths.PropertyRead || r instanceof project_tsconfig_paths.SafePropertyRead) && r.name === read.name);
+    }
+}
+/**
+ * Emulates an access to a given field using the TypeScript `ts.Type`
+ * of the given class. The resolved symbol of the access is returned.
+ */
+function traverseReceiverAndLookupSymbol(readOrWrite, componentClass, checker) {
+    const path = [readOrWrite.name];
+    let node = readOrWrite;
+    while (node.receiver instanceof project_tsconfig_paths.PropertyRead) {
+        node = node.receiver;
+        path.unshift(node.name);
+    }
+    if (!(node.receiver instanceof project_tsconfig_paths.ImplicitReceiver || node.receiver instanceof project_tsconfig_paths.ThisReceiver)) {
+        return null;
+    }
+    const classType = checker.getTypeAtLocation(componentClass.name);
+    return (lookupPropertyAccess(checker, classType, path, {
+        // Necessary to avoid breaking the resolution if there is
+        // some narrowing involved. E.g. `myClass ? myClass.input`.
+        ignoreNullability: true,
+    })?.symbol ?? null);
+}
+/** Whether the given node refers to a two-way binding AST node. */
+function isTwoWayBindingNode(node) {
+    return ((node instanceof project_tsconfig_paths.BoundAttribute && node.type === project_tsconfig_paths.BindingType.TwoWay) ||
+        (node instanceof project_tsconfig_paths.BoundEvent && node.type === project_tsconfig_paths.ParsedEventType.TwoWay));
+}
+
+/** Possible types of references to known fields detected. */
+exports.ReferenceKind = void 0;
+(function (ReferenceKind) {
+    ReferenceKind[ReferenceKind["InTemplate"] = 0] = "InTemplate";
+    ReferenceKind[ReferenceKind["InHostBinding"] = 1] = "InHostBinding";
+    ReferenceKind[ReferenceKind["TsReference"] = 2] = "TsReference";
+    ReferenceKind[ReferenceKind["TsClassTypeReference"] = 3] = "TsClassTypeReference";
+})(exports.ReferenceKind || (exports.ReferenceKind = {}));
+/** Whether the given reference is a TypeScript reference. */
+function isTsReference(ref) {
+    return ref.kind === exports.ReferenceKind.TsReference;
+}
+/** Whether the given reference is a template reference. */
+function isTemplateReference(ref) {
+    return ref.kind === exports.ReferenceKind.InTemplate;
+}
+/** Whether the given reference is a host binding reference. */
+function isHostBindingReference(ref) {
+    return ref.kind === exports.ReferenceKind.InHostBinding;
+}
+/**
+ * Whether the given reference is a TypeScript `ts.Type` reference
+ * to a class containing known fields.
+ */
+function isTsClassTypeReference(ref) {
+    return ref.kind === exports.ReferenceKind.TsClassTypeReference;
+}
+
+/**
+ * Checks host bindings of the given class and tracks all
+ * references to inputs within bindings.
+ */
+function identifyHostBindingReferences(node, programInfo, checker, reflector, result, knownFields, fieldNamesToConsiderForReferenceLookup) {
+    if (node.name === undefined) {
+        return;
+    }
+    const decorators = reflector.getDecoratorsOfDeclaration(node);
+    if (decorators === null) {
+        return;
+    }
+    const angularDecorators = project_tsconfig_paths.getAngularDecorators(decorators, ['Directive', 'Component'], 
+    /* isAngularCore */ false);
+    if (angularDecorators.length === 0) {
+        return;
+    }
+    // Assume only one Angular decorator per class.
+    const ngDecorator = angularDecorators[0];
+    if (ngDecorator.args?.length !== 1) {
+        return;
+    }
+    const metadataNode = project_tsconfig_paths.unwrapExpression(ngDecorator.args[0]);
+    if (!ts.isObjectLiteralExpression(metadataNode)) {
+        return;
+    }
+    const metadata = project_tsconfig_paths.reflectObjectLiteral(metadataNode);
+    if (!metadata.has('host')) {
+        return;
+    }
+    let hostField = project_tsconfig_paths.unwrapExpression(metadata.get('host'));
+    // Special-case in case host bindings are shared via a variable.
+    // e.g. Material button shares host bindings as a constant in the same target.
+    if (ts.isIdentifier(hostField)) {
+        let symbol = checker.getSymbolAtLocation(hostField);
+        // Plain identifier references can point to alias symbols (e.g. imports).
+        if (symbol !== undefined && symbol.flags & ts.SymbolFlags.Alias) {
+            symbol = checker.getAliasedSymbol(symbol);
+        }
+        if (symbol !== undefined &&
+            symbol.valueDeclaration !== undefined &&
+            ts.isVariableDeclaration(symbol.valueDeclaration)) {
+            hostField = symbol?.valueDeclaration.initializer;
+        }
+    }
+    if (hostField === undefined || !ts.isObjectLiteralExpression(hostField)) {
+        return;
+    }
+    const hostMap = project_tsconfig_paths.reflectObjectLiteral(hostField);
+    const expressionResult = [];
+    const expressionVisitor = new TemplateExpressionReferenceVisitor(checker, null, node, knownFields, fieldNamesToConsiderForReferenceLookup);
+    for (const [rawName, expression] of hostMap.entries()) {
+        if (!ts.isStringLiteralLike(expression)) {
+            continue;
+        }
+        const isEventBinding = rawName.startsWith('(');
+        const isPropertyBinding = rawName.startsWith('[');
+        // Only migrate property or event bindings.
+        if (!isPropertyBinding && !isEventBinding) {
+            continue;
+        }
+        const parser = project_tsconfig_paths.makeBindingParser();
+        const sourceSpan = new project_tsconfig_paths.ParseSourceSpan(
+        // Fake source span to keep parsing offsets zero-based.
+        // We then later combine these with the expression TS node offsets.
+        new project_tsconfig_paths.ParseLocation({ content: '', url: '' }, 0, 0, 0), new project_tsconfig_paths.ParseLocation({ content: '', url: '' }, 0, 0, 0));
+        const name = rawName.substring(1, rawName.length - 1);
+        let parsed = undefined;
+        if (isEventBinding) {
+            const result = [];
+            parser.parseEvent(name.substring(1, name.length - 1), expression.text, false, sourceSpan, sourceSpan, [], result, sourceSpan);
+            parsed = result[0].handler;
+        }
+        else {
+            const result = [];
+            parser.parsePropertyBinding(name, expression.text, true, 
+            /* isTwoWayBinding */ false, sourceSpan, 0, sourceSpan, [], result, sourceSpan);
+            parsed = result[0].expression;
+        }
+        if (parsed != null) {
+            expressionResult.push(...expressionVisitor.checkTemplateExpression(expression, parsed));
+        }
+    }
+    for (const ref of expressionResult) {
+        result.references.push({
+            kind: exports.ReferenceKind.InHostBinding,
+            from: {
+                read: ref.read,
+                readAstPath: ref.readAstPath,
+                isObjectShorthandExpression: ref.isObjectShorthandExpression,
+                isWrite: ref.isWrite,
+                file: project_paths.projectFile(ref.context.getSourceFile(), programInfo),
+                hostPropertyNode: ref.context,
+            },
+            target: ref.targetField,
+        });
+    }
+}
+
+/**
+ * Attempts to extract the `TemplateDefinition` for the given
+ * class, if possible.
+ *
+ * The definition can then be used with the Angular compiler to
+ * load/parse the given template.
+ */
+function attemptExtractTemplateDefinition(node, checker, reflector, resourceLoader) {
+    const classDecorators = reflector.getDecoratorsOfDeclaration(node);
+    const evaluator = new index.PartialEvaluator(reflector, checker, null);
+    const ngDecorators = classDecorators !== null
+        ? project_tsconfig_paths.getAngularDecorators(classDecorators, ['Component'], /* isAngularCore */ false)
+        : [];
+    if (ngDecorators.length === 0 ||
+        ngDecorators[0].args === null ||
+        ngDecorators[0].args.length === 0 ||
+        !ts.isObjectLiteralExpression(ngDecorators[0].args[0])) {
+        return null;
+    }
+    const properties = project_tsconfig_paths.reflectObjectLiteral(ngDecorators[0].args[0]);
+    const templateProp = properties.get('template');
+    const templateUrlProp = properties.get('templateUrl');
+    const containingFile = node.getSourceFile().fileName;
+    // inline template.
+    if (templateProp !== undefined) {
+        const templateStr = evaluator.evaluate(templateProp);
+        if (typeof templateStr === 'string') {
+            return {
+                isInline: true,
+                expression: templateProp,
+                interpolationConfig: project_tsconfig_paths.DEFAULT_INTERPOLATION_CONFIG,
+                preserveWhitespaces: false,
+                resolvedTemplateUrl: containingFile,
+                templateUrl: containingFile,
+            };
+        }
+    }
+    try {
+        // external template.
+        if (templateUrlProp !== undefined) {
+            const templateUrl = evaluator.evaluate(templateUrlProp);
+            if (typeof templateUrl === 'string') {
+                return {
+                    isInline: false,
+                    interpolationConfig: project_tsconfig_paths.DEFAULT_INTERPOLATION_CONFIG,
+                    preserveWhitespaces: false,
+                    templateUrlExpression: templateUrlProp,
+                    templateUrl,
+                    resolvedTemplateUrl: resourceLoader.resolve(templateUrl, containingFile),
+                };
+            }
+        }
+    }
+    catch (e) {
+        console.error(`Could not parse external template: ${e}`);
+    }
+    return null;
+}
+
+/**
+ * Checks whether the given class has an Angular template, and resolves
+ * all of the references to inputs.
+ */
+function identifyTemplateReferences(programInfo, node, reflector, checker, evaluator, templateTypeChecker, resourceLoader, options, result, knownFields, fieldNamesToConsiderForReferenceLookup) {
+    const template = templateTypeChecker.getTemplate(node, project_tsconfig_paths.OptimizeFor.WholeProgram) ??
+        // If there is no template registered in the TCB or compiler, the template may
+        // be skipped due to an explicit `jit: true` setting. We try to detect this case
+        // and parse the template manually.
+        extractTemplateWithoutCompilerAnalysis(node, checker, reflector, resourceLoader, evaluator, options);
+    if (template !== null) {
+        const visitor = new TemplateReferenceVisitor(checker, templateTypeChecker, node, knownFields, fieldNamesToConsiderForReferenceLookup);
+        template.forEach((node) => node.visit(visitor));
+        for (const res of visitor.result) {
+            const templateFilePath = res.context.sourceSpan.start.file.url;
+            // Templates without an URL are non-mappable artifacts of e.g.
+            // string concatenated templates. See the `indirect` template
+            // source mapping concept in the compiler. We skip such references
+            // as those cannot be migrated, but print an error for now.
+            if (templateFilePath === '') {
+                // TODO: Incorporate a TODO potentially.
+                console.error(`Found reference to field ${res.targetField.key} that cannot be ` +
+                    `migrated because the template cannot be parsed with source map information ` +
+                    `(in file: ${node.getSourceFile().fileName}).`);
+                continue;
+            }
+            result.references.push({
+                kind: exports.ReferenceKind.InTemplate,
+                from: {
+                    read: res.read,
+                    readAstPath: res.readAstPath,
+                    node: res.context,
+                    isObjectShorthandExpression: res.isObjectShorthandExpression,
+                    originatingTsFile: project_paths.projectFile(node.getSourceFile(), programInfo),
+                    templateFile: project_paths.projectFile(project_tsconfig_paths.absoluteFrom(templateFilePath), programInfo),
+                    isLikelyPartOfNarrowing: res.isLikelyNarrowed,
+                    isWrite: res.isWrite,
+                },
+                target: res.targetField,
+            });
+        }
+    }
+}
+/**
+ * Attempts to extract a `@Component` template from the given class,
+ * without relying on the `NgCompiler` program analysis.
+ *
+ * This is useful for JIT components using `jit: true` which were not
+ * processed by the Angular compiler, but may still have templates that
+ * contain references to inputs that we can resolve via the fallback
+ * reference resolutions (that does not use the type check block).
+ */
+function extractTemplateWithoutCompilerAnalysis(node, checker, reflector, resourceLoader, evaluator, options) {
+    if (node.name === undefined) {
+        return null;
+    }
+    const tmplDef = attemptExtractTemplateDefinition(node, checker, reflector, resourceLoader);
+    if (tmplDef === null) {
+        return null;
+    }
+    return index.extractTemplate(node, tmplDef, evaluator, null, resourceLoader, {
+        enableBlockSyntax: true,
+        enableLetSyntax: true,
+        usePoisonedData: true,
+        enableI18nLegacyMessageIdFormat: options.enableI18nLegacyMessageIdFormat !== false,
+        i18nNormalizeLineEndingsInICUs: options.i18nNormalizeLineEndingsInICUs === true,
+        enableSelectorless: false,
+    }, project_tsconfig_paths.CompilationMode.FULL).nodes;
+}
+
+/** Gets the pattern and property name for a given binding element. */
+function resolveBindingElement(node) {
+    const name = node.propertyName ?? node.name;
+    // If we are discovering a non-analyzable element in the path, abort.
+    if (!ts.isStringLiteralLike(name) && !ts.isIdentifier(name)) {
+        return null;
+    }
+    return {
+        pattern: node.parent,
+        propertyName: name.text,
+    };
+}
+/** Gets the declaration node of the given binding element. */
+function getBindingElementDeclaration(node) {
+    while (true) {
+        if (ts.isBindingElement(node.parent.parent)) {
+            node = node.parent.parent;
+        }
+        else {
+            return node.parent.parent;
+        }
+    }
+}
+
+/**
+ * Expands the given reference to its containing expression, capturing
+ * the full context.
+ *
+ * E.g. `traverseAccess(ref<`bla`>)` may return `this.bla`
+ *   or `traverseAccess(ref<`bla`>)` may return `this.someObj.a.b.c.bla`.
+ *
+ * This helper is useful as we will replace the full access with a temporary
+ * variable for narrowing. Replacing just the identifier is wrong.
+ */
+function traverseAccess(access) {
+    if (ts.isPropertyAccessExpression(access.parent) && access.parent.name === access) {
+        return access.parent;
+    }
+    else if (ts.isElementAccessExpression(access.parent) &&
+        access.parent.argumentExpression === access) {
+        return access.parent;
+    }
+    return access;
+}
+
+/**
+ * Unwraps the parent of the given node, if it's a
+ * parenthesized expression or `as` expression.
+ */
+function unwrapParent(node) {
+    if (ts.isParenthesizedExpression(node.parent)) {
+        return unwrapParent(node.parent);
+    }
+    else if (ts.isAsExpression(node.parent)) {
+        return unwrapParent(node.parent);
+    }
+    return node;
+}
+
+/**
+ * List of binary operators that indicate a write operation.
+ *
+ * Useful for figuring out whether an expression assigns to
+ * something or not.
+ */
+const writeBinaryOperators = [
+    ts.SyntaxKind.EqualsToken,
+    ts.SyntaxKind.BarBarEqualsToken,
+    ts.SyntaxKind.BarEqualsToken,
+    ts.SyntaxKind.AmpersandEqualsToken,
+    ts.SyntaxKind.AmpersandAmpersandEqualsToken,
+    ts.SyntaxKind.SlashEqualsToken,
+    ts.SyntaxKind.MinusEqualsToken,
+    ts.SyntaxKind.PlusEqualsToken,
+    ts.SyntaxKind.CaretEqualsToken,
+    ts.SyntaxKind.PercentEqualsToken,
+    ts.SyntaxKind.AsteriskEqualsToken,
+    ts.SyntaxKind.ExclamationEqualsToken,
+];
+
+/**
+ * Checks whether given TypeScript reference refers to an Angular input, and captures
+ * the reference if possible.
+ *
+ * @param fieldNamesToConsiderForReferenceLookup List of field names that should be
+ *   respected when expensively looking up references to known fields.
+ *   May be null if all identifiers should be inspected.
+ */
+function identifyPotentialTypeScriptReference(node, programInfo, checker, knownFields, result, fieldNamesToConsiderForReferenceLookup, advisors) {
+    // Skip all identifiers that never can point to a migrated field.
+    // TODO: Capture these assumptions and performance optimizations in the design doc.
+    if (fieldNamesToConsiderForReferenceLookup !== null &&
+        !fieldNamesToConsiderForReferenceLookup.has(node.text)) {
+        return;
+    }
+    let target = undefined;
+    try {
+        // Resolve binding elements to their declaration symbol.
+        // Commonly inputs are accessed via object expansion. e.g. `const {input} = this;`.
+        if (ts.isBindingElement(node.parent)) {
+            // Skip binding elements that are using spread.
+            if (node.parent.dotDotDotToken !== undefined) {
+                return;
+            }
+            const bindingInfo = resolveBindingElement(node.parent);
+            if (bindingInfo === null) {
+                // The declaration could not be resolved. Skip analyzing this.
+                return;
+            }
+            const bindingType = checker.getTypeAtLocation(bindingInfo.pattern);
+            const resolved = lookupPropertyAccess(checker, bindingType, [bindingInfo.propertyName]);
+            target = resolved?.symbol;
+        }
+        else {
+            target = checker.getSymbolAtLocation(node);
+        }
+    }
+    catch (e) {
+        console.error('Unexpected error while trying to resolve identifier reference:');
+        console.error(e);
+        // Gracefully skip analyzing. This can happen when e.g. a reference is named similar
+        // to an input, but is dependant on `.d.ts` that is not necessarily available (clutz dts).
+        return;
+    }
+    noTargetSymbolCheck: if (target === undefined) {
+        if (ts.isPropertyAccessExpression(node.parent) && node.parent.name === node) {
+            const propAccessSymbol = checker.getSymbolAtLocation(node.parent.expression);
+            if (propAccessSymbol !== undefined &&
+                propAccessSymbol.valueDeclaration !== undefined &&
+                ts.isVariableDeclaration(propAccessSymbol.valueDeclaration) &&
+                propAccessSymbol.valueDeclaration.initializer !== undefined) {
+                target = advisors.debugElComponentInstanceTracker
+                    .detect(propAccessSymbol.valueDeclaration.initializer)
+                    ?.getProperty(node.text);
+                // We found a target in the fallback path. Break out.
+                if (target !== undefined) {
+                    break noTargetSymbolCheck;
+                }
+            }
+        }
+        return;
+    }
+    let targetInput = knownFields.attemptRetrieveDescriptorFromSymbol(target);
+    if (targetInput === null) {
+        return;
+    }
+    const access = unwrapParent(traverseAccess(node));
+    const accessParent = access.parent;
+    const isWriteReference = ts.isBinaryExpression(accessParent) &&
+        accessParent.left === access &&
+        writeBinaryOperators.includes(accessParent.operatorToken.kind);
+    // track accesses from source files to known fields.
+    result.references.push({
+        kind: exports.ReferenceKind.TsReference,
+        from: {
+            node,
+            file: project_paths.projectFile(node.getSourceFile(), programInfo),
+            isWrite: isWriteReference,
+            isPartOfElementBinding: ts.isBindingElement(node.parent),
+        },
+        target: targetInput,
+    });
+}
+
+/**
+ * Phase where we iterate through all source file references and
+ * detect references to known fields (e.g. commonly inputs).
+ *
+ * This is useful, for example in the signal input migration whe
+ * references need to be migrated to unwrap signals, given that
+ * their target properties is no longer holding a raw value, but
+ * instead an `InputSignal`.
+ *
+ * This phase detects references in all types of locations:
+ *    - TS source files
+ *    - Angular templates (inline or external)
+ *    - Host binding expressions.
+ */
+function createFindAllSourceFileReferencesVisitor(programInfo, checker, reflector, resourceLoader, evaluator, templateTypeChecker, knownFields, fieldNamesToConsiderForReferenceLookup, result) {
+    const debugElComponentInstanceTracker = new DebugElementComponentInstance(checker);
+    const partialDirectiveCatalystTracker = new PartialDirectiveTypeInCatalystTests(checker, knownFields);
+    const perfCounters = {
+        template: 0,
+        hostBindings: 0,
+        tsReferences: 0,
+        tsTypes: 0,
+    };
+    // Schematic NodeJS execution may not have `global.performance` defined.
+    const currentTimeInMs = () => typeof global.performance !== 'undefined' ? global.performance.now() : Date.now();
+    const visitor = (node) => {
+        let lastTime = currentTimeInMs();
+        // Note: If there is no template type checker and resource loader, we aren't processing
+        // an Angular program, and can skip template detection.
+        if (ts.isClassDeclaration(node) && templateTypeChecker !== null && resourceLoader !== null) {
+            identifyTemplateReferences(programInfo, node, reflector, checker, evaluator, templateTypeChecker, resourceLoader, programInfo.userOptions, result, knownFields, fieldNamesToConsiderForReferenceLookup);
+            perfCounters.template += (currentTimeInMs() - lastTime) / 1000;
+            lastTime = currentTimeInMs();
+            identifyHostBindingReferences(node, programInfo, checker, reflector, result, knownFields, fieldNamesToConsiderForReferenceLookup);
+            perfCounters.hostBindings += (currentTimeInMs() - lastTime) / 1000;
+            lastTime = currentTimeInMs();
+        }
+        lastTime = currentTimeInMs();
+        // find references, but do not capture input declarations itself.
+        if (ts.isIdentifier(node) &&
+            !(isInputContainerNode(node.parent) && node.parent.name === node)) {
+            identifyPotentialTypeScriptReference(node, programInfo, checker, knownFields, result, fieldNamesToConsiderForReferenceLookup, {
+                debugElComponentInstanceTracker,
+            });
+        }
+        perfCounters.tsReferences += (currentTimeInMs() - lastTime) / 1000;
+        lastTime = currentTimeInMs();
+        // Detect `Partial<T>` references.
+        // Those are relevant to be tracked as they may be updated in Catalyst to
+        // unwrap signal inputs. Commonly people use `Partial` in Catalyst to type
+        // some "component initial values".
+        const partialDirectiveInCatalyst = partialDirectiveCatalystTracker.detect(node);
+        if (partialDirectiveInCatalyst !== null) {
+            result.references.push({
+                kind: exports.ReferenceKind.TsClassTypeReference,
+                from: {
+                    file: project_paths.projectFile(partialDirectiveInCatalyst.referenceNode.getSourceFile(), programInfo),
+                    node: partialDirectiveInCatalyst.referenceNode,
+                },
+                isPartialReference: true,
+                isPartOfCatalystFile: true,
+                target: partialDirectiveInCatalyst.targetClass,
+            });
+        }
+        perfCounters.tsTypes += (currentTimeInMs() - lastTime) / 1000;
+    };
+    return {
+        visitor,
+        debugPrintMetrics: () => {
+            console.info('Source file analysis performance', perfCounters);
+        },
+    };
+}
+
+exports.createFindAllSourceFileReferencesVisitor = createFindAllSourceFileReferencesVisitor;
+exports.getBindingElementDeclaration = getBindingElementDeclaration;
+exports.getMemberName = getMemberName;
+exports.isHostBindingReference = isHostBindingReference;
+exports.isInputContainerNode = isInputContainerNode;
+exports.isTemplateReference = isTemplateReference;
+exports.isTsClassTypeReference = isTsClassTypeReference;
+exports.isTsReference = isTsReference;
+exports.traverseAccess = traverseAccess;
+exports.unwrapParent = unwrapParent;

schematics/bundles/project_paths-CLp-3Ycc.cjs

+'use strict';
+/**
+ * @license Angular v20.3.25
+ * (c) 2010-2025 Google LLC. https://angular.io/
+ * License: MIT
+ */
+'use strict';
+
+var index = require('./index-BXTnqAYJ.cjs');
+var schematics = require('@angular-devkit/schematics');
+var core = require('@angular-devkit/core');
+var posixPath = require('node:path/posix');
+var os = require('os');
+var ts = require('typescript');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+require('path');
+var path = require('node:path');
+
+function _interopNamespaceDefault(e) {
+    var n = Object.create(null);
+    if (e) {
+        Object.keys(e).forEach(function (k) {
+            if (k !== 'default') {
+                var d = Object.getOwnPropertyDescriptor(e, k);
+                Object.defineProperty(n, k, d.get ? d : {
+                    enumerable: true,
+                    get: function () { return e[k]; }
+                });
+            }
+        });
+    }
+    n.default = e;
+    return Object.freeze(n);
+}
+
+var posixPath__namespace = /*#__PURE__*/_interopNamespaceDefault(posixPath);
+var os__namespace = /*#__PURE__*/_interopNamespaceDefault(os);
+var path__namespace = /*#__PURE__*/_interopNamespaceDefault(path);
+
+/// <reference types="node" />
+class NgtscCompilerHost {
+    fs;
+    options;
+    constructor(fs, options = {}) {
+        this.fs = fs;
+        this.options = options;
+    }
+    getSourceFile(fileName, languageVersion) {
+        const text = this.readFile(fileName);
+        return text !== undefined
+            ? ts.createSourceFile(fileName, text, languageVersion, true)
+            : undefined;
+    }
+    getDefaultLibFileName(options) {
+        return this.fs.join(this.getDefaultLibLocation(), ts.getDefaultLibFileName(options));
+    }
+    getDefaultLibLocation() {
+        return this.fs.getDefaultLibLocation();
+    }
+    writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles) {
+        const path = project_tsconfig_paths.absoluteFrom(fileName);
+        this.fs.ensureDir(this.fs.dirname(path));
+        this.fs.writeFile(path, data);
+    }
+    getCurrentDirectory() {
+        return this.fs.pwd();
+    }
+    getCanonicalFileName(fileName) {
+        return this.useCaseSensitiveFileNames() ? fileName : fileName.toLowerCase();
+    }
+    useCaseSensitiveFileNames() {
+        return this.fs.isCaseSensitive();
+    }
+    getNewLine() {
+        switch (this.options.newLine) {
+            case ts.NewLineKind.CarriageReturnLineFeed:
+                return '\r\n';
+            case ts.NewLineKind.LineFeed:
+                return '\n';
+            default:
+                return os__namespace.EOL;
+        }
+    }
+    fileExists(fileName) {
+        const absPath = this.fs.resolve(fileName);
+        return this.fs.exists(absPath) && this.fs.stat(absPath).isFile();
+    }
+    readFile(fileName) {
+        const absPath = this.fs.resolve(fileName);
+        if (!this.fileExists(absPath)) {
+            return undefined;
+        }
+        return this.fs.readFile(absPath);
+    }
+    realpath(path) {
+        return this.fs.realpath(this.fs.resolve(path));
+    }
+}
+
+// We use TypeScript's native `ts.matchFiles` utility for the virtual file systems
+// and their TypeScript compiler host `readDirectory` implementation. TypeScript's
+// function implements complex logic for matching files with respect to root
+// directory, extensions, excludes, includes etc. The function is currently
+// internal but we can use it as the API most likely will not change any time soon,
+// nor does it seem like this is being made public any time soon.
+// Related issue for tracking: https://github.com/microsoft/TypeScript/issues/13793.
+/**
+ * Creates a {@link ts.CompilerHost#readDirectory} implementation function,
+ * that leverages the specified file system (that may be e.g. virtual).
+ */
+function createFileSystemTsReadDirectoryFn(fs) {
+    if (ts.matchFiles === undefined) {
+        throw Error('Unable to read directory in configured file system. This means that ' +
+            'TypeScript changed its file matching internals.\n\nPlease consider downgrading your ' +
+            'TypeScript version, and report an issue in the Angular framework repository.');
+    }
+    const matchFilesFn = ts.matchFiles.bind(ts);
+    return (rootDir, extensions, excludes, includes, depth) => {
+        const directoryExists = (p) => {
+            const resolvedPath = fs.resolve(p);
+            return fs.exists(resolvedPath) && fs.stat(resolvedPath).isDirectory();
+        };
+        return matchFilesFn(rootDir, extensions, excludes, includes, fs.isCaseSensitive(), fs.pwd(), depth, (p) => {
+            const resolvedPath = fs.resolve(p);
+            // TS also gracefully returns an empty file set.
+            if (!directoryExists(resolvedPath)) {
+                return { directories: [], files: [] };
+            }
+            const children = fs.readdir(resolvedPath);
+            const files = [];
+            const directories = [];
+            for (const child of children) {
+                if (fs.stat(fs.join(resolvedPath, child))?.isDirectory()) {
+                    directories.push(child);
+                }
+                else {
+                    files.push(child);
+                }
+            }
+            return { files, directories };
+        }, (p) => fs.resolve(p), (p) => directoryExists(p));
+    };
+}
+
+function calcProjectFileAndBasePath(project, host = project_tsconfig_paths.getFileSystem()) {
+    const absProject = host.resolve(project);
+    const projectIsDir = host.lstat(absProject).isDirectory();
+    const projectFile = projectIsDir ? host.join(absProject, 'tsconfig.json') : absProject;
+    const projectDir = projectIsDir ? absProject : host.dirname(absProject);
+    const basePath = host.resolve(projectDir);
+    return { projectFile, basePath };
+}
+function readConfiguration(project, existingOptions, host = project_tsconfig_paths.getFileSystem()) {
+    try {
+        const fs = project_tsconfig_paths.getFileSystem();
+        const readConfigFile = (configFile) => ts.readConfigFile(configFile, (file) => host.readFile(host.resolve(file)));
+        const readAngularCompilerOptions = (configFile, parentOptions = {}) => {
+            const { config, error } = readConfigFile(configFile);
+            if (error) {
+                // Errors are handled later on by 'parseJsonConfigFileContent'
+                return parentOptions;
+            }
+            // Note: In Google, `angularCompilerOptions` are stored in `bazelOptions`.
+            // This function typically doesn't run for actual Angular compilations, but
+            // tooling like Tsurge, or schematics may leverage this helper, so we account
+            // for this here.
+            const angularCompilerOptions = config.angularCompilerOptions ?? config.bazelOptions?.angularCompilerOptions;
+            // we are only interested into merging 'angularCompilerOptions' as
+            // other options like 'compilerOptions' are merged by TS
+            let existingNgCompilerOptions = { ...angularCompilerOptions, ...parentOptions };
+            if (!config.extends) {
+                return existingNgCompilerOptions;
+            }
+            const extendsPaths = typeof config.extends === 'string' ? [config.extends] : config.extends;
+            // Call readAngularCompilerOptions recursively to merge NG Compiler options
+            // Reverse the array so the overrides happen from right to left.
+            return [...extendsPaths].reverse().reduce((prevOptions, extendsPath) => {
+                const extendedConfigPath = getExtendedConfigPath(configFile, extendsPath, host, fs);
+                return extendedConfigPath === null
+                    ? prevOptions
+                    : readAngularCompilerOptions(extendedConfigPath, prevOptions);
+            }, existingNgCompilerOptions);
+        };
+        const { projectFile, basePath } = calcProjectFileAndBasePath(project, host);
+        const configFileName = host.resolve(host.pwd(), projectFile);
+        const { config, error } = readConfigFile(projectFile);
+        if (error) {
+            return {
+                project,
+                errors: [error],
+                rootNames: [],
+                options: {},
+                emitFlags: index.EmitFlags.Default,
+            };
+        }
+        const existingCompilerOptions = {
+            genDir: basePath,
+            basePath,
+            ...readAngularCompilerOptions(configFileName),
+            ...existingOptions,
+        };
+        const parseConfigHost = createParseConfigHost(host, fs);
+        const { options, errors, fileNames: rootNames, projectReferences, } = ts.parseJsonConfigFileContent(config, parseConfigHost, basePath, existingCompilerOptions, configFileName);
+        let emitFlags = index.EmitFlags.Default;
+        if (!(options['skipMetadataEmit'] || options['flatModuleOutFile'])) {
+            emitFlags |= index.EmitFlags.Metadata;
+        }
+        if (options['skipTemplateCodegen']) {
+            emitFlags = emitFlags & ~index.EmitFlags.Codegen;
+        }
+        return { project: projectFile, rootNames, projectReferences, options, errors, emitFlags };
+    }
+    catch (e) {
+        const errors = [
+            {
+                category: ts.DiagnosticCategory.Error,
+                messageText: e.stack ?? e.message,
+                file: undefined,
+                start: undefined,
+                length: undefined,
+                source: 'angular',
+                code: index.UNKNOWN_ERROR_CODE,
+            },
+        ];
+        return { project: '', errors, rootNames: [], options: {}, emitFlags: index.EmitFlags.Default };
+    }
+}
+function createParseConfigHost(host, fs = project_tsconfig_paths.getFileSystem()) {
+    return {
+        fileExists: host.exists.bind(host),
+        readDirectory: createFileSystemTsReadDirectoryFn(fs),
+        readFile: host.readFile.bind(host),
+        useCaseSensitiveFileNames: fs.isCaseSensitive(),
+    };
+}
+function getExtendedConfigPath(configFile, extendsValue, host, fs) {
+    const result = getExtendedConfigPathWorker(configFile, extendsValue, host, fs);
+    if (result !== null) {
+        return result;
+    }
+    // Try to resolve the paths with a json extension append a json extension to the file in case if
+    // it is missing and the resolution failed. This is to replicate TypeScript behaviour, see:
+    // https://github.com/microsoft/TypeScript/blob/294a5a7d784a5a95a8048ee990400979a6bc3a1c/src/compiler/commandLineParser.ts#L2806
+    return getExtendedConfigPathWorker(configFile, `${extendsValue}.json`, host, fs);
+}
+function getExtendedConfigPathWorker(configFile, extendsValue, host, fs) {
+    if (extendsValue.startsWith('.') || fs.isRooted(extendsValue)) {
+        const extendedConfigPath = host.resolve(host.dirname(configFile), extendsValue);
+        if (host.exists(extendedConfigPath)) {
+            return extendedConfigPath;
+        }
+    }
+    else {
+        const parseConfigHost = createParseConfigHost(host, fs);
+        // Path isn't a rooted or relative path, resolve like a module.
+        const { resolvedModule } = ts.nodeModuleNameResolver(extendsValue, configFile, { moduleResolution: ts.ModuleResolutionKind.Node10, resolveJsonModule: true }, parseConfigHost);
+        if (resolvedModule) {
+            return project_tsconfig_paths.absoluteFrom(resolvedModule.resolvedFileName);
+        }
+    }
+    return null;
+}
+
+/**
+ * Angular compiler file system implementation that leverages an
+ * CLI schematic virtual file tree.
+ */
+class DevkitMigrationFilesystem {
+    tree;
+    constructor(tree) {
+        this.tree = tree;
+    }
+    extname(path) {
+        return core.extname(path);
+    }
+    isRoot(path) {
+        return path === core.normalize('/');
+    }
+    isRooted(path) {
+        return this.normalize(path).startsWith('/');
+    }
+    dirname(file) {
+        return this.normalize(core.dirname(file));
+    }
+    join(basePath, ...paths) {
+        return this.normalize(core.join(basePath, ...paths));
+    }
+    relative(from, to) {
+        return this.normalize(core.relative(from, to));
+    }
+    basename(filePath, extension) {
+        return posixPath__namespace.basename(filePath, extension);
+    }
+    normalize(path) {
+        return core.normalize(path);
+    }
+    resolve(...paths) {
+        const normalizedPaths = paths.map((p) => core.normalize(p));
+        // In dev-kit, the NodeJS working directory should never be
+        // considered, so `/` is the last resort over `cwd`.
+        return this.normalize(posixPath__namespace.resolve(core.normalize('/'), ...normalizedPaths));
+    }
+    pwd() {
+        return '/';
+    }
+    isCaseSensitive() {
+        return true;
+    }
+    exists(path) {
+        return statPath(this.tree, path) !== null;
+    }
+    readFile(path) {
+        return this.tree.readText(path);
+    }
+    readFileBuffer(path) {
+        const buffer = this.tree.read(path);
+        if (buffer === null) {
+            throw new Error(`File does not exist: ${path}`);
+        }
+        return buffer;
+    }
+    readdir(path) {
+        const dir = this.tree.getDir(path);
+        return [
+            ...dir.subdirs,
+            ...dir.subfiles,
+        ];
+    }
+    lstat(path) {
+        const stat = statPath(this.tree, path);
+        if (stat === null) {
+            throw new Error(`File does not exist for "lstat": ${path}`);
+        }
+        return stat;
+    }
+    stat(path) {
+        const stat = statPath(this.tree, path);
+        if (stat === null) {
+            throw new Error(`File does not exist for "stat": ${path}`);
+        }
+        return stat;
+    }
+    realpath(filePath) {
+        return filePath;
+    }
+    getDefaultLibLocation() {
+        return 'node_modules/typescript/lib';
+    }
+    ensureDir(path) {
+        // Migrations should compute replacements and not write directly.
+        throw new Error('DevkitFilesystem#ensureDir is not supported.');
+    }
+    writeFile(path, data) {
+        // Migrations should compute replacements and not write directly.
+        throw new Error('DevkitFilesystem#writeFile is not supported.');
+    }
+    removeFile(path) {
+        // Migrations should compute replacements and not write directly.
+        throw new Error('DevkitFilesystem#removeFile is not supported.');
+    }
+    copyFile(from, to) {
+        // Migrations should compute replacements and not write directly.
+        throw new Error('DevkitFilesystem#copyFile is not supported.');
+    }
+    moveFile(from, to) {
+        // Migrations should compute replacements and not write directly.
+        throw new Error('DevkitFilesystem#moveFile is not supported.');
+    }
+    removeDeep(path) {
+        // Migrations should compute replacements and not write directly.
+        throw new Error('DevkitFilesystem#removeDeep is not supported.');
+    }
+    chdir(_path) {
+        throw new Error('FileSystem#chdir is not supported.');
+    }
+    symlink() {
+        throw new Error('FileSystem#symlink is not supported.');
+    }
+}
+/** Stats the given path in the virtual tree. */
+function statPath(tree, path) {
+    let fileInfo = null;
+    let dirInfo = null;
+    try {
+        fileInfo = tree.get(path);
+    }
+    catch (e) {
+        if (e.constructor.name === 'PathIsDirectoryException') {
+            dirInfo = tree.getDir(path);
+        }
+        else {
+            throw e;
+        }
+    }
+    if (fileInfo !== null || dirInfo !== null) {
+        return {
+            isDirectory: () => dirInfo !== null,
+            isFile: () => fileInfo !== null,
+            isSymbolicLink: () => false,
+        };
+    }
+    return null;
+}
+
+/**
+ * Groups the given replacements per project relative
+ * file path.
+ *
+ * This allows for simple execution of the replacements
+ * against a given file. E.g. via {@link applyTextUpdates}.
+ */
+function groupReplacementsByFile(replacements) {
+    const result = new Map();
+    for (const { projectFile, update } of replacements) {
+        if (!result.has(projectFile.rootRelativePath)) {
+            result.set(projectFile.rootRelativePath, []);
+        }
+        result.get(projectFile.rootRelativePath).push(update);
+    }
+    return result;
+}
+
+/**
+ * Synchronously combines unit data for the given migration.
+ *
+ * Note: This helper is useful for testing and execution of
+ * Tsurge migrations in non-batchable environments. In general,
+ * prefer parallel execution of combining via e.g. Beam combiners.
+ */
+async function synchronouslyCombineUnitData(migration, unitDatas) {
+    if (unitDatas.length === 0) {
+        return null;
+    }
+    if (unitDatas.length === 1) {
+        return unitDatas[0];
+    }
+    let combined = unitDatas[0];
+    for (let i = 1; i < unitDatas.length; i++) {
+        const other = unitDatas[i];
+        combined = await migration.combine(combined, other);
+    }
+    return combined;
+}
+
+/** Whether we are executing inside Google */
+function isGoogle3() {
+    return process.env['GOOGLE3_TSURGE'] === '1';
+}
+/**
+ * By default, Tsurge will always create an Angular compiler program
+ * for projects analyzed and migrated. This works perfectly fine in
+ * third-party where Tsurge migrations run in Angular CLI projects.
+ *
+ * In first party, when running against full Google3, creating an Angular
+ * program for e.g. plain `ts_library` targets is overly expensive and
+ * can result in out of memory issues for large TS targets. In 1P we can
+ * reliably distinguish between TS and Angular targets via the `angularCompilerOptions`.
+ */
+function google3UsePlainTsProgramIfNoKnownAngularOption() {
+    return process.env['GOOGLE3_TSURGE'] === '1';
+}
+
+/** Options that are good defaults for Tsurge migrations. */
+const defaultMigrationTsOptions = {
+    // Avoid checking libraries to speed up migrations.
+    skipLibCheck: true,
+    skipDefaultLibCheck: true,
+    noEmit: true,
+    // Does not apply to g3 and externally is enforced when the app is built by the compiler.
+    disableTypeScriptVersionCheck: true,
+};
+/**
+ * Creates an instance of a TypeScript program for the given project.
+ */
+function createPlainTsProgram(tsHost, tsconfig, optionOverrides) {
+    const program = ts.createProgram({
+        rootNames: tsconfig.rootNames,
+        options: {
+            ...tsconfig.options,
+            ...defaultMigrationTsOptions,
+            ...optionOverrides,
+        },
+    });
+    return {
+        ngCompiler: null,
+        program,
+        userOptions: tsconfig.options,
+        __programAbsoluteRootFileNames: tsconfig.rootNames,
+        host: tsHost,
+    };
+}
+
+/**
+ * Parses the configuration of the given TypeScript project and creates
+ * an instance of the Angular compiler for the project.
+ */
+function createNgtscProgram(tsHost, tsconfig, optionOverrides) {
+    const ngtscProgram = new index.NgtscProgram(tsconfig.rootNames, {
+        ...tsconfig.options,
+        ...defaultMigrationTsOptions,
+        ...optionOverrides,
+    }, tsHost);
+    // Expose an easy way to debug-print ng semantic diagnostics.
+    if (process.env['DEBUG_NG_SEMANTIC_DIAGNOSTICS'] === '1') {
+        console.error(ts.formatDiagnosticsWithColorAndContext(ngtscProgram.getNgSemanticDiagnostics(), tsHost));
+    }
+    return {
+        ngCompiler: ngtscProgram.compiler,
+        program: ngtscProgram.getTsProgram(),
+        userOptions: tsconfig.options,
+        __programAbsoluteRootFileNames: tsconfig.rootNames,
+        host: tsHost,
+    };
+}
+
+/** Code of the error raised by TypeScript when a tsconfig doesn't match any files. */
+const NO_INPUTS_ERROR_CODE = 18003;
+/** Parses the given tsconfig file, supporting Angular compiler options. */
+function parseTsconfigOrDie(absoluteTsconfigPath, fs) {
+    const tsconfig = readConfiguration(absoluteTsconfigPath, {}, fs);
+    // Skip the "No inputs found..." error since we don't want to interrupt the migration if a
+    // tsconfig doesn't match a file. This will result in an empty `Program` which is still valid.
+    const errors = tsconfig.errors.filter((diag) => diag.code !== NO_INPUTS_ERROR_CODE);
+    if (errors.length) {
+        throw new Error(`Tsconfig could not be parsed or is invalid:\n\n` + `${errors.map((e) => e.messageText)}`);
+    }
+    return tsconfig;
+}
+
+// Note: Try to keep mostly in sync with
+// //depot/google3/javascript/angular2/tools/ngc_wrapped/tsc_plugin.ts
+// TODO: Consider moving this logic into the 1P launcher.
+const EXT = /(\.ts|\.d\.ts|\.js|\.jsx|\.tsx)$/;
+function fileNameToModuleNameFactory(rootDirs, workspaceName) {
+    return (importedFilePath) => {
+        let relativePath = '';
+        for (const rootDir of rootDirs) {
+            const rel = path__namespace.posix.relative(rootDir, importedFilePath);
+            if (!rel.startsWith('.')) {
+                relativePath = rel;
+                break;
+            }
+        }
+        if (relativePath) {
+            return `${workspaceName}/${relativePath.replace(EXT, '')}`;
+        }
+        else {
+            return importedFilePath.replace(EXT, '');
+        }
+    };
+}
+
+/** Creates the base program info for the given tsconfig path. */
+function createBaseProgramInfo(absoluteTsconfigPath, fs, optionOverrides = {}) {
+    // Make sure the FS becomes globally available. Some code paths
+    // of the Angular compiler, or tsconfig parsing aren't leveraging
+    // the specified file system.
+    project_tsconfig_paths.setFileSystem(fs);
+    const tsconfig = parseTsconfigOrDie(absoluteTsconfigPath, fs);
+    const tsHost = new NgtscCompilerHost(fs, tsconfig.options);
+    // When enabled, use a plain TS program if we are sure it's not
+    // an Angular project based on the `tsconfig.json`.
+    if (google3UsePlainTsProgramIfNoKnownAngularOption() &&
+        tsconfig.options['_useHostForImportGeneration'] === undefined) {
+        return createPlainTsProgram(tsHost, tsconfig, optionOverrides);
+    }
+    // The Angular program may try to emit references during analysis or migration.
+    // To replicate the Google3 import emission here, ensure the unified module resolution
+    // can be enabled by the compiler.
+    if (isGoogle3() && tsconfig.options.rootDirs) {
+        tsHost.fileNameToModuleName = fileNameToModuleNameFactory(tsconfig.options.rootDirs, 
+        /* workspaceName*/ 'google3');
+    }
+    return createNgtscProgram(tsHost, tsconfig, optionOverrides);
+}
+/**
+ * Creates the {@link ProgramInfo} from the given base information.
+ *
+ * This function purely exists to support custom programs that are
+ * intended to be injected into Tsurge migrations. e.g. for language
+ * service refactorings.
+ */
+function getProgramInfoFromBaseInfo(baseInfo) {
+    const fullProgramSourceFiles = [...baseInfo.program.getSourceFiles()];
+    const sourceFiles = fullProgramSourceFiles.filter((f) => !f.isDeclarationFile &&
+        // Note `isShim` will work for the initial program, but for TCB programs, the shims are no longer annotated.
+        !project_tsconfig_paths.isShim(f) &&
+        !f.fileName.endsWith('.ngtypecheck.ts'));
+    // Sort it by length in reverse order (longest first). This speeds up lookups,
+    // since there's no need to keep going through the array once a match is found.
+    const sortedRootDirs = project_tsconfig_paths.getRootDirs(baseInfo.host, baseInfo.userOptions).sort((a, b) => b.length - a.length);
+    // TODO: Consider also following TS's logic here, finding the common source root.
+    // See: Program#getCommonSourceDirectory.
+    const primaryRoot = project_tsconfig_paths.absoluteFrom(baseInfo.userOptions.rootDir ?? sortedRootDirs.at(-1) ?? baseInfo.program.getCurrentDirectory());
+    return {
+        ...baseInfo,
+        sourceFiles,
+        fullProgramSourceFiles,
+        sortedRootDirs,
+        projectRoot: primaryRoot,
+    };
+}
+
+/**
+ * @private
+ *
+ * Base class for the possible Tsurge migration variants.
+ *
+ * For example, this class exposes methods to conveniently create
+ * TypeScript programs, while also allowing migration authors to override.
+ */
+class TsurgeBaseMigration {
+    /**
+     * Creates the TypeScript program for a given compilation unit.
+     *
+     * By default:
+     *  - In 3P: Ngtsc programs are being created.
+     *  - In 1P: Ngtsc or TS programs are created based on the Blaze target.
+     */
+    createProgram(tsconfigAbsPath, fs, optionsOverride) {
+        return getProgramInfoFromBaseInfo(createBaseProgramInfo(tsconfigAbsPath, fs, optionsOverride));
+    }
+}
+
+/**
+ * A simpler variant of a {@link TsurgeComplexMigration} that does not
+ * fan-out into multiple workers per compilation unit to compute
+ * the final migration replacements.
+ *
+ * This is faster and less resource intensive as workers and TS programs
+ * are only ever created once.
+ *
+ * This is commonly the case when migrations are refactored to eagerly
+ * compute replacements in the analyze stage, and then leverage the
+ * global unit data to filter replacements that turned out to be "invalid".
+ */
+class TsurgeFunnelMigration extends TsurgeBaseMigration {
+}
+/**
+ * Complex variant of a `Tsurge` migration.
+ *
+ * For example, every analyze worker may contribute to a list of TS
+ * references that are later combined. The migrate phase can then compute actual
+ * file updates for all individual compilation units, leveraging the global metadata
+ * to e.g. see if there are any references from other compilation units that may be
+ * problematic and prevent migration of a given file.
+ */
+class TsurgeComplexMigration extends TsurgeBaseMigration {
+}
+
+/*!
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+exports.MigrationStage = void 0;
+(function (MigrationStage) {
+    /** The migration is analyzing an entrypoint */
+    MigrationStage[MigrationStage["Analysis"] = 0] = "Analysis";
+    /** The migration is about to migrate an entrypoint */
+    MigrationStage[MigrationStage["Migrate"] = 1] = "Migrate";
+})(exports.MigrationStage || (exports.MigrationStage = {}));
+/** Runs a Tsurge within an Angular Devkit context. */
+async function runMigrationInDevkit(config) {
+    const { buildPaths, testPaths } = await project_tsconfig_paths.getProjectTsConfigPaths(config.tree);
+    if (!buildPaths.length && !testPaths.length) {
+        throw new schematics.SchematicsException('Could not find any tsconfig file. Cannot run the migration.');
+    }
+    const tsconfigPaths = [...buildPaths, ...testPaths];
+    const fs = new DevkitMigrationFilesystem(config.tree);
+    project_tsconfig_paths.setFileSystem(fs);
+    const migration = config.getMigration(fs);
+    const unitResults = [];
+    const isFunnelMigration = migration instanceof TsurgeFunnelMigration;
+    const compilationUnitAssignments = new Map();
+    for (const tsconfigPath of tsconfigPaths) {
+        config.beforeProgramCreation?.(tsconfigPath, exports.MigrationStage.Analysis);
+        const info = migration.createProgram(tsconfigPath, fs);
+        modifyProgramInfoToEnsureNonOverlappingFiles(tsconfigPath, info, compilationUnitAssignments);
+        config.afterProgramCreation?.(info, fs, exports.MigrationStage.Analysis);
+        config.beforeUnitAnalysis?.(tsconfigPath);
+        unitResults.push(await migration.analyze(info));
+    }
+    config.afterAllAnalyzed?.();
+    const combined = await synchronouslyCombineUnitData(migration, unitResults);
+    if (combined === null) {
+        config.afterAnalysisFailure?.();
+        return;
+    }
+    const globalMeta = await migration.globalMeta(combined);
+    let replacements;
+    if (isFunnelMigration) {
+        replacements = (await migration.migrate(globalMeta)).replacements;
+    }
+    else {
+        replacements = [];
+        for (const tsconfigPath of tsconfigPaths) {
+            config.beforeProgramCreation?.(tsconfigPath, exports.MigrationStage.Migrate);
+            const info = migration.createProgram(tsconfigPath, fs);
+            modifyProgramInfoToEnsureNonOverlappingFiles(tsconfigPath, info, compilationUnitAssignments);
+            config.afterProgramCreation?.(info, fs, exports.MigrationStage.Migrate);
+            const result = await migration.migrate(globalMeta, info);
+            replacements.push(...result.replacements);
+        }
+    }
+    const replacementsPerFile = new Map();
+    const changesPerFile = groupReplacementsByFile(replacements);
+    for (const [file, changes] of changesPerFile) {
+        if (!replacementsPerFile.has(file)) {
+            replacementsPerFile.set(file, changes);
+        }
+    }
+    for (const [file, changes] of replacementsPerFile) {
+        const recorder = config.tree.beginUpdate(file);
+        for (const c of changes) {
+            recorder
+                .remove(c.data.position, c.data.end - c.data.position)
+                .insertRight(c.data.position, c.data.toInsert);
+        }
+        config.tree.commitUpdate(recorder);
+    }
+    config.whenDone?.(await migration.stats(globalMeta));
+}
+/**
+ * Special logic for devkit migrations. In the Angular CLI, or in 3P precisely,
+ * projects can have tsconfigs with overlapping source files. i.e. two tsconfigs
+ * like e.g. build or test include the same `ts.SourceFile` (`.ts`). Migrations
+ * should never have 2+ compilation units with overlapping source files as this
+ * can result in duplicated replacements or analysis— hence we only ever assign a
+ * source file to a compilation unit *once*.
+ *
+ * Note that this is fine as we expect Tsurge migrations to work together as
+ * isolated compilation units— so it shouldn't matter if worst case a `.ts`
+ * file ends up in the e.g. test program.
+ */
+function modifyProgramInfoToEnsureNonOverlappingFiles(tsconfigPath, info, compilationUnitAssignments) {
+    const sourceFiles = [];
+    for (const sf of info.sourceFiles) {
+        const assignment = compilationUnitAssignments.get(sf.fileName);
+        // File is already assigned to a different compilation unit.
+        if (assignment !== undefined && assignment !== tsconfigPath) {
+            continue;
+        }
+        compilationUnitAssignments.set(sf.fileName, tsconfigPath);
+        sourceFiles.push(sf);
+    }
+    info.sourceFiles = sourceFiles;
+}
+
+/** A text replacement for the given file. */
+class Replacement {
+    projectFile;
+    update;
+    constructor(projectFile, update) {
+        this.projectFile = projectFile;
+        this.update = update;
+    }
+}
+/** An isolated text update that may be applied to a file. */
+class TextUpdate {
+    data;
+    constructor(data) {
+        this.data = data;
+    }
+}
+
+/** Confirms that the given data `T` is serializable. */
+function confirmAsSerializable(data) {
+    return data;
+}
+
+/**
+ * Gets a project file instance for the given file.
+ *
+ * Use this helper for dealing with project paths throughout your
+ * migration. The return type is serializable.
+ *
+ * See {@link ProjectFile}.
+ */
+function projectFile(file, { sortedRootDirs, projectRoot }) {
+    const fs = project_tsconfig_paths.getFileSystem();
+    const filePath = fs.resolve(typeof file === 'string' ? file : file.fileName);
+    // Sorted root directories are sorted longest to shortest. First match
+    // is the appropriate root directory for ID computation.
+    for (const rootDir of sortedRootDirs) {
+        if (!isWithinBasePath(fs, rootDir, filePath)) {
+            continue;
+        }
+        return {
+            id: fs.relative(rootDir, filePath),
+            rootRelativePath: fs.relative(projectRoot, filePath),
+        };
+    }
+    // E.g. project directory may be `src/`, but files may be looked up
+    // from `node_modules/`. This is fine, but in those cases, no root
+    // directory matches.
+    const rootRelativePath = fs.relative(projectRoot, filePath);
+    return {
+        id: rootRelativePath,
+        rootRelativePath: rootRelativePath,
+    };
+}
+/**
+ * Whether `path` is a descendant of the `base`?
+ * E.g. `a/b/c` is within `a/b` but not within `a/x`.
+ */
+function isWithinBasePath(fs, base, path) {
+    return project_tsconfig_paths.isLocalRelativePath(fs.relative(base, path));
+}
+
+exports.Replacement = Replacement;
+exports.TextUpdate = TextUpdate;
+exports.TsurgeComplexMigration = TsurgeComplexMigration;
+exports.TsurgeFunnelMigration = TsurgeFunnelMigration;
+exports.confirmAsSerializable = confirmAsSerializable;
+exports.projectFile = projectFile;
+exports.runMigrationInDevkit = runMigrationInDevkit;

api.d.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

chrome_dev_tools_performance.d.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

effect.d.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

event_dispatcher.d.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/attribute.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/attribute.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"attribute.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/event-dispatch/src/attribute.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nexport const Attribute = {\n  /**\n   * The jsaction attribute defines a mapping of a DOM event to a\n   * generic event (aka jsaction), to which the actual event handlers\n   * that implement the behavior of the application are bound. The\n   * value is a semicolon separated list of colon separated pairs of\n   * an optional DOM event name and a jsaction name. If the optional\n   * DOM event name is omitted, 'click' is assumed. The jsaction names\n   * are dot separated pairs of a namespace and a simple jsaction\n   * name.\n   *\n   * See grammar in README.md for expected syntax in the attribute value.\n   */\n  JSACTION: 'jsaction' as const,\n};\n"],"names":[],"mappings":";;;;;;AAQa,MAAA,SAAS,GAAG;AACvB;;;;;;;;;;;AAWG;AACH,IAAA,QAAQ,EAAE,UAAmB;;;;;"}
+{"version":3,"file":"attribute.mjs","sources":["../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/event-dispatch/src/attribute.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nexport const Attribute = {\n  /**\n   * The jsaction attribute defines a mapping of a DOM event to a\n   * generic event (aka jsaction), to which the actual event handlers\n   * that implement the behavior of the application are bound. The\n   * value is a semicolon separated list of colon separated pairs of\n   * an optional DOM event name and a jsaction name. If the optional\n   * DOM event name is omitted, 'click' is assumed. The jsaction names\n   * are dot separated pairs of a namespace and a simple jsaction\n   * name.\n   *\n   * See grammar in README.md for expected syntax in the attribute value.\n   */\n  JSACTION: 'jsaction' as const,\n};\n"],"names":[],"mappings":";;;;;;AAQa,MAAA,SAAS,GAAG;AACvB;;;;;;;;;;;AAWG;AACH,IAAA,QAAQ,EAAE,UAAmB;;;;;"}

fesm2022/effect.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/effect.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"effect.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/linked_signal.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/untracked.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/effect.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {COMPUTING, ERRORED, UNSET} from './computed';\nimport {defaultEquals, ValueEqualityFn} from './equality';\nimport {\n  consumerAfterComputation,\n  consumerBeforeComputation,\n  producerAccessed,\n  producerMarkClean,\n  producerUpdateValueVersion,\n  REACTIVE_NODE,\n  ReactiveNode,\n  runPostProducerCreatedFn,\n  SIGNAL,\n} from './graph';\nimport {signalSetFn, signalUpdateFn} from './signal';\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\nexport type ComputationFn<S, D> = (source: S, previous?: PreviousValue<S, D>) => D;\nexport type PreviousValue<S, D> = {source: S; value: D};\n\nexport interface LinkedSignalNode<S, D> extends ReactiveNode {\n  /**\n   * Value of the source signal that was used to derive the computed value.\n   */\n  sourceValue: S;\n\n  /**\n   * Current state value, or one of the sentinel values (`UNSET`, `COMPUTING`,\n   * `ERROR`).\n   */\n  value: D;\n\n  /**\n   * If `value` is `ERRORED`, the error caught from the last computation attempt which will\n   * be re-thrown.\n   */\n  error: unknown;\n\n  /**\n   * The source function represents reactive dependency based on which the linked state is reset.\n   */\n  source: () => S;\n\n  /**\n   * The computation function which will produce a new value based on the source and, optionally - previous values.\n   */\n  computation: ComputationFn<S, D>;\n\n  equal: ValueEqualityFn<D>;\n}\n\nexport type LinkedSignalGetter<S, D> = (() => D) & {\n  [SIGNAL]: LinkedSignalNode<S, D>;\n};\n\nexport function createLinkedSignal<S, D>(\n  sourceFn: () => S,\n  computationFn: ComputationFn<S, D>,\n  equalityFn?: ValueEqualityFn<D>,\n): LinkedSignalGetter<S, D> {\n  const node: LinkedSignalNode<S, D> = Object.create(LINKED_SIGNAL_NODE);\n\n  node.source = sourceFn;\n  node.computation = computationFn;\n  if (equalityFn != undefined) {\n    node.equal = equalityFn;\n  }\n\n  const linkedSignalGetter = () => {\n    // Check if the value needs updating before returning it.\n    producerUpdateValueVersion(node);\n\n    // Record that someone looked at this signal.\n    producerAccessed(node);\n\n    if (node.value === ERRORED) {\n      throw node.error;\n    }\n\n    return node.value;\n  };\n\n  const getter = linkedSignalGetter as LinkedSignalGetter<S, D>;\n  getter[SIGNAL] = node;\n  if (typeof ngDevMode !== 'undefined' && ngDevMode) {\n    const debugName = node.debugName ? ' (' + node.debugName + ')' : '';\n    getter.toString = () => `[LinkedSignal${debugName}: ${node.value}]`;\n  }\n\n  runPostProducerCreatedFn(node);\n\n  return getter;\n}\n\nexport function linkedSignalSetFn<S, D>(node: LinkedSignalNode<S, D>, newValue: D) {\n  producerUpdateValueVersion(node);\n  signalSetFn(node, newValue);\n  producerMarkClean(node);\n}\n\nexport function linkedSignalUpdateFn<S, D>(\n  node: LinkedSignalNode<S, D>,\n  updater: (value: D) => D,\n): void {\n  producerUpdateValueVersion(node);\n  signalUpdateFn(node, updater);\n  producerMarkClean(node);\n}\n\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `LINKED_SIGNAL_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nexport const LINKED_SIGNAL_NODE: object = /* @__PURE__ */ (() => {\n  return {\n    ...REACTIVE_NODE,\n    value: UNSET,\n    dirty: true,\n    error: null,\n    equal: defaultEquals,\n    kind: 'linkedSignal',\n\n    producerMustRecompute(node: LinkedSignalNode<unknown, unknown>): boolean {\n      // Force a recomputation if there's no current value, or if the current value is in the\n      // process of being calculated (which should throw an error).\n      return node.value === UNSET || node.value === COMPUTING;\n    },\n\n    producerRecomputeValue(node: LinkedSignalNode<unknown, unknown>): void {\n      if (node.value === COMPUTING) {\n        // Our computation somehow led to a cyclic read of itself.\n        throw new Error(\n          typeof ngDevMode !== 'undefined' && ngDevMode ? 'Detected cycle in computations.' : '',\n        );\n      }\n\n      const oldValue = node.value;\n      node.value = COMPUTING;\n\n      const prevConsumer = consumerBeforeComputation(node);\n      let newValue: unknown;\n      try {\n        const newSourceValue = node.source();\n        const prev =\n          oldValue === UNSET || oldValue === ERRORED\n            ? undefined\n            : {\n                source: node.sourceValue,\n                value: oldValue,\n              };\n        newValue = node.computation(newSourceValue, prev);\n        node.sourceValue = newSourceValue;\n      } catch (err) {\n        newValue = ERRORED;\n        node.error = err;\n      } finally {\n        consumerAfterComputation(node, prevConsumer);\n      }\n\n      if (oldValue !== UNSET && newValue !== ERRORED && node.equal(oldValue, newValue)) {\n        // No change to `valueVersion` - old and new values are\n        // semantically equivalent.\n        node.value = oldValue;\n        return;\n      }\n\n      node.value = newValue;\n      node.version++;\n    },\n  };\n})();\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {setActiveConsumer} from './graph';\n\n/**\n * Execute an arbitrary function in a non-reactive (non-tracking) context. The executed function\n * can, optionally, return a value.\n */\nexport function untracked<T>(nonReactiveReadsFn: () => T): T {\n  const prevConsumer = setActiveConsumer(null);\n  // We are not trying to catch any particular errors here, just making sure that the consumers\n  // stack is restored in case of errors.\n  try {\n    return nonReactiveReadsFn();\n  } finally {\n    setActiveConsumer(prevConsumer);\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  consumerAfterComputation,\n  consumerBeforeComputation,\n  consumerPollProducersForChange,\n  REACTIVE_NODE,\n  ReactiveNode,\n} from './graph';\n\n/**\n * An effect can, optionally, register a cleanup function. If registered, the cleanup is executed\n * before the next effect run. 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+{"version":3,"file":"effect.mjs","sources":["../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/linked_signal.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/untracked.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/effect.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {COMPUTING, ERRORED, UNSET} from './computed';\nimport {defaultEquals, ValueEqualityFn} from './equality';\nimport {\n  consumerAfterComputation,\n  consumerBeforeComputation,\n  producerAccessed,\n  producerMarkClean,\n  producerUpdateValueVersion,\n  REACTIVE_NODE,\n  ReactiveNode,\n  runPostProducerCreatedFn,\n  SIGNAL,\n} from './graph';\nimport {signalSetFn, signalUpdateFn} from './signal';\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\nexport type ComputationFn<S, D> = (source: S, previous?: PreviousValue<S, D>) => D;\nexport type PreviousValue<S, D> = {source: S; value: D};\n\nexport interface LinkedSignalNode<S, D> extends ReactiveNode {\n  /**\n   * Value of the source signal that was used to derive the computed value.\n   */\n  sourceValue: S;\n\n  /**\n   * Current state value, or one of the sentinel values (`UNSET`, `COMPUTING`,\n   * `ERROR`).\n   */\n  value: D;\n\n  /**\n   * If `value` is `ERRORED`, the error caught from the last computation attempt which will\n   * be re-thrown.\n   */\n  error: unknown;\n\n  /**\n   * The source function represents reactive dependency based on which the linked state is reset.\n   */\n  source: () => S;\n\n  /**\n   * The computation function which will produce a new value based on the source and, optionally - previous values.\n   */\n  computation: ComputationFn<S, D>;\n\n  equal: ValueEqualityFn<D>;\n}\n\nexport type LinkedSignalGetter<S, D> = (() => D) & {\n  [SIGNAL]: LinkedSignalNode<S, D>;\n};\n\nexport function createLinkedSignal<S, D>(\n  sourceFn: () => S,\n  computationFn: ComputationFn<S, D>,\n  equalityFn?: ValueEqualityFn<D>,\n): LinkedSignalGetter<S, D> {\n  const node: LinkedSignalNode<S, D> = Object.create(LINKED_SIGNAL_NODE);\n\n  node.source = sourceFn;\n  node.computation = computationFn;\n  if (equalityFn != undefined) {\n    node.equal = equalityFn;\n  }\n\n  const linkedSignalGetter = () => {\n    // Check if the value needs updating before returning it.\n    producerUpdateValueVersion(node);\n\n    // Record that someone looked at this signal.\n    producerAccessed(node);\n\n    if (node.value === ERRORED) {\n      throw node.error;\n    }\n\n    return node.value;\n  };\n\n  const getter = linkedSignalGetter as LinkedSignalGetter<S, D>;\n  getter[SIGNAL] = node;\n  if (typeof ngDevMode !== 'undefined' && ngDevMode) {\n    const debugName = node.debugName ? ' (' + node.debugName + ')' : '';\n    getter.toString = () => `[LinkedSignal${debugName}: ${node.value}]`;\n  }\n\n  runPostProducerCreatedFn(node);\n\n  return getter;\n}\n\nexport function linkedSignalSetFn<S, D>(node: LinkedSignalNode<S, D>, newValue: D) {\n  producerUpdateValueVersion(node);\n  signalSetFn(node, newValue);\n  producerMarkClean(node);\n}\n\nexport function linkedSignalUpdateFn<S, D>(\n  node: LinkedSignalNode<S, D>,\n  updater: (value: D) => D,\n): void {\n  producerUpdateValueVersion(node);\n  signalUpdateFn(node, updater);\n  producerMarkClean(node);\n}\n\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `LINKED_SIGNAL_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nexport const LINKED_SIGNAL_NODE: object = /* @__PURE__ */ (() => {\n  return {\n    ...REACTIVE_NODE,\n    value: UNSET,\n    dirty: true,\n    error: null,\n    equal: defaultEquals,\n    kind: 'linkedSignal',\n\n    producerMustRecompute(node: LinkedSignalNode<unknown, unknown>): boolean {\n      // Force a recomputation if there's no current value, or if the current value is in the\n      // process of being calculated (which should throw an error).\n      return node.value === UNSET || node.value === COMPUTING;\n    },\n\n    producerRecomputeValue(node: LinkedSignalNode<unknown, unknown>): void {\n      if (node.value === COMPUTING) {\n        // Our computation somehow led to a cyclic read of itself.\n        throw new Error(\n          typeof ngDevMode !== 'undefined' && ngDevMode ? 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fesm2022/not_found.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/not_found.mjs.map

@@ -1,1 +0,1 @@
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+{"version":3,"file":"not_found.mjs","sources":["../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/di/src/injector.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/di/src/not_found.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {Constructor, InjectionToken} from './injection_token';\nimport {NotFound, NOT_FOUND} from './not_found';\n\nexport interface Injector {\n  retrieve<T>(token: InjectionToken<T>, options?: unknown): T | NotFound;\n}\n\n/**\n * Current injector value used by `inject`.\n * - `undefined`: it is an error to call `inject`\n * - `null`: `inject` can be called but there is no injector (limp-mode).\n * - Injector instance: Use the injector for resolution.\n */\nlet _currentInjector: Injector | undefined | null = undefined;\n\nexport function getCurrentInjector(): Injector | undefined | null {\n  return _currentInjector;\n}\n\nexport function setCurrentInjector(\n  injector: Injector | null | undefined,\n): Injector | undefined | null {\n  const former = _currentInjector;\n  _currentInjector = injector;\n  return former;\n}\n\nexport function inject<T>(token: InjectionToken<T> | Constructor<T>): T;\nexport function inject<T>(\n  token: InjectionToken<T> | Constructor<T>,\n  options?: unknown,\n): T | NotFound {\n  const currentInjector = getCurrentInjector();\n  if (!currentInjector) {\n    throw new Error('Current injector is not set.');\n  }\n  if (!(token as InjectionToken<T>).ɵprov) {\n    throw new Error('Token is not an injectable');\n  }\n  return currentInjector.retrieve(token as InjectionToken<T>, options);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\n/**\n * Value returned if the key-value pair couldn't be found in the context\n * hierarchy.\n */\nexport const NOT_FOUND: unique symbol = Symbol('NotFound');\n\n/**\n * Error thrown when the key-value pair couldn't be found in the context\n * hierarchy. Context can be attached below.\n */\nexport class NotFoundError extends Error {\n  override readonly name: string = 'ɵNotFound';\n  constructor(message: string) {\n    super(message);\n  }\n}\n\n/**\n * Type guard for checking if an unknown value is a NotFound.\n */\nexport function isNotFound(e: unknown): e is NotFound {\n  return e === NOT_FOUND || (e as NotFoundError)?.name === 'ɵNotFound';\n}\n\n/**\n * Type union of NotFound and NotFoundError.\n */\nexport type NotFound = typeof NOT_FOUND | NotFoundError;\n"],"names":[],"mappings":";;;;;;AAeA;;;;;AAKG;AACH,IAAI,gBAAgB,GAAgC,SAAS;SAE7C,kBAAkB,GAAA;AAChC,IAAA,OAAO,gBAAgB;AACzB;AAEM,SAAU,kBAAkB,CAChC,QAAqC,EAAA;IAErC,MAAM,MAAM,GAAG,gBAAgB;IAC/B,gBAAgB,GAAG,QAAQ;AAC3B,IAAA,OAAO,MAAM;AACf;AAGgB,SAAA,MAAM,CACpB,KAAyC,EACzC,OAAiB,EAAA;AAEjB,IAAA,MAAM,eAAe,GAAG,kBAAkB,EAAE;IAC5C,IAAI,CAAC,eAAe,EAAE;AACpB,QAAA,MAAM,IAAI,KAAK,CAAC,8BAA8B,CAAC;;AAEjD,IAAA,IAAI,CAAE,KAA2B,CAAC,KAAK,EAAE;AACvC,QAAA,MAAM,IAAI,KAAK,CAAC,4BAA4B,CAAC;;IAE/C,OAAO,eAAe,CAAC,QAAQ,CAAC,KAA0B,EAAE,OAAO,CAAC;AACtE;;ACxCA;;;AAGG;MACU,SAAS,GAAkB,MAAM,CAAC,UAAU;AAEzD;;;AAGG;AACG,MAAO,aAAc,SAAQ,KAAK,CAAA;IACpB,IAAI,GAAW,WAAW;AAC5C,IAAA,WAAA,CAAY,OAAe,EAAA;QACzB,KAAK,CAAC,OAAO,CAAC;;AAEjB;AAED;;AAEG;AACG,SAAU,UAAU,CAAC,CAAU,EAAA;IACnC,OAAO,CAAC,KAAK,SAAS,IAAK,CAAmB,EAAE,IAAI,KAAK,WAAW;AACtE;;;;"}

fesm2022/primitives/di.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/primitives/di.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"di.mjs","sources":["../../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/di/src/injection_token.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {Type} from './type';\n/**\n * Information about how a type or `InjectionToken` interfaces with the DI\n * system. This describes:\n *\n * 1. *How* the type is provided\n *    The declaration must specify only one of the following:\n *    - A `value` which is a predefined instance of the type.\n *    - A `factory` which defines how to create the given type `T`, possibly\n *      requesting injection of other types if necessary.\n *    - Neither, in which case the type is expected to already be present in the\n *      injector hierarchy. This is used for internal use cases.\n *\n * 2. *Where* the type is stored (if it is stored)\n *    - The `providedIn` parameter specifies which injector the type belongs to.\n *    - The `token` is used as the key to store the type in the injector.\n */\nexport interface ɵɵInjectableDeclaration<T> {\n  /**\n   * Specifies that the given type belongs to a particular `Injector`,\n   * `NgModule`, or a special scope (e.g. `'root'`).\n   *\n   * `any` is deprecated and will be removed soon.\n   *\n   * A value of `null` indicates that the injectable does not belong to any\n   * scope, and won't be stored in any injector. For declarations with a\n   * factory, this will create a new instance of the type each time it is\n   * requested.\n   */\n  providedIn: Type<any> | 'root' | 'platform' | 'any' | null;\n\n  /**\n   * The token to which this definition belongs.\n   *\n   * Note that this may not be the same as the type that the `factory` will create.\n   */\n  token: unknown;\n\n  /**\n   * Factory method to execute to create an instance of the injectable.\n   */\n  factory?: (t?: Type<any>) => T;\n\n  /**\n   * In a case of no explicit injector, a location where the instance of the injectable is stored.\n   */\n  value?: T;\n}\n\n/**\n * A `Type` which has a `ɵprov: ɵɵInjectableDeclaration` static field.\n *\n * `InjectableType`s contain their own Dependency Injection metadata and are usable in an\n * `InjectorDef`-based `StaticInjector`.\n *\n * @publicApi\n */\nexport interface InjectionToken<T> {\n  ɵprov: ɵɵInjectableDeclaration<T>;\n}\n\nexport function defineInjectable<T>(opts: {\n  token: unknown;\n  providedIn?: Type<any> | 'root' | 'platform' | 'any' | 'environment' | null;\n  factory: () => T;\n}): ɵɵInjectableDeclaration<T> {\n  return {\n    token: opts.token,\n    providedIn: (opts.providedIn as any) || null,\n    factory: opts.factory,\n    value: undefined,\n  } as ɵɵInjectableDeclaration<T>;\n}\n\nexport type Constructor<T> = Function & {prototype: T};\n\nexport function registerInjectable<T>(\n  ctor: unknown,\n  declaration: ɵɵInjectableDeclaration<T>,\n): InjectionToken<T> {\n  (ctor as unknown as InjectionToken<T>).ɵprov = declaration;\n  return ctor as Constructor<T> & InjectionToken<T>;\n}\n"],"names":[],"mappings":";;;;;;;;AAqEM,SAAU,gBAAgB,CAAI,IAInC,EAAA;IACC,OAAO;QACL,KAAK,EAAE,IAAI,CAAC,KAAK;AACjB,QAAA,UAAU,EAAG,IAAI,CAAC,UAAkB,IAAI,IAAI;QAC5C,OAAO,EAAE,IAAI,CAAC,OAAO;AACrB,QAAA,KAAK,EAAE,SAAS;KACa;AACjC;AAIgB,SAAA,kBAAkB,CAChC,IAAa,EACb,WAAuC,EAAA;AAEtC,IAAA,IAAqC,CAAC,KAAK,GAAG,WAAW;AAC1D,IAAA,OAAO,IAA0C;AACnD;;;;"}
+{"version":3,"file":"di.mjs","sources":["../../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/di/src/injection_token.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {Type} from './type';\n/**\n * Information about how a type or `InjectionToken` interfaces with the DI\n * system. This describes:\n *\n * 1. *How* the type is provided\n *    The declaration must specify only one of the following:\n *    - A `value` which is a predefined instance of the type.\n *    - A `factory` which defines how to create the given type `T`, possibly\n *      requesting injection of other types if necessary.\n *    - Neither, in which case the type is expected to already be present in the\n *      injector hierarchy. This is used for internal use cases.\n *\n * 2. *Where* the type is stored (if it is stored)\n *    - The `providedIn` parameter specifies which injector the type belongs to.\n *    - The `token` is used as the key to store the type in the injector.\n */\nexport interface ɵɵInjectableDeclaration<T> {\n  /**\n   * Specifies that the given type belongs to a particular `Injector`,\n   * `NgModule`, or a special scope (e.g. `'root'`).\n   *\n   * `any` is deprecated and will be removed soon.\n   *\n   * A value of `null` indicates that the injectable does not belong to any\n   * scope, and won't be stored in any injector. For declarations with a\n   * factory, this will create a new instance of the type each time it is\n   * requested.\n   */\n  providedIn: Type<any> | 'root' | 'platform' | 'any' | null;\n\n  /**\n   * The token to which this definition belongs.\n   *\n   * Note that this may not be the same as the type that the `factory` will create.\n   */\n  token: unknown;\n\n  /**\n   * Factory method to execute to create an instance of the injectable.\n   */\n  factory?: (t?: Type<any>) => T;\n\n  /**\n   * In a case of no explicit injector, a location where the instance of the injectable is stored.\n   */\n  value?: T;\n}\n\n/**\n * A `Type` which has a `ɵprov: ɵɵInjectableDeclaration` static field.\n *\n * `InjectableType`s contain their own Dependency Injection metadata and are usable in an\n * `InjectorDef`-based `StaticInjector`.\n *\n * @publicApi\n */\nexport interface InjectionToken<T> {\n  ɵprov: ɵɵInjectableDeclaration<T>;\n}\n\nexport function defineInjectable<T>(opts: {\n  token: unknown;\n  providedIn?: Type<any> | 'root' | 'platform' | 'any' | 'environment' | null;\n  factory: () => T;\n}): ɵɵInjectableDeclaration<T> {\n  return {\n    token: opts.token,\n    providedIn: (opts.providedIn as any) || null,\n    factory: opts.factory,\n    value: undefined,\n  } as ɵɵInjectableDeclaration<T>;\n}\n\nexport type Constructor<T> = Function & {prototype: T};\n\nexport function registerInjectable<T>(\n  ctor: unknown,\n  declaration: ɵɵInjectableDeclaration<T>,\n): InjectionToken<T> {\n  (ctor as unknown as InjectionToken<T>).ɵprov = declaration;\n  return ctor as Constructor<T> & InjectionToken<T>;\n}\n"],"names":[],"mappings":";;;;;;;;AAqEM,SAAU,gBAAgB,CAAI,IAInC,EAAA;IACC,OAAO;QACL,KAAK,EAAE,IAAI,CAAC,KAAK;AACjB,QAAA,UAAU,EAAG,IAAI,CAAC,UAAkB,IAAI,IAAI;QAC5C,OAAO,EAAE,IAAI,CAAC,OAAO;AACrB,QAAA,KAAK,EAAE,SAAS;KACa;AACjC;AAIgB,SAAA,kBAAkB,CAChC,IAAa,EACb,WAAuC,EAAA;AAEtC,IAAA,IAAqC,CAAC,KAAK,GAAG,WAAW;AAC1D,IAAA,OAAO,IAA0C;AACnD;;;;"}

fesm2022/primitives/event-dispatch.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/primitives/signals.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/primitives/signals.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"signals.mjs","sources":["../../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/formatter.ts","../../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/watch.ts","../../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/index.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {SIGNAL} from './graph';\n\n// Only a subset of HTML tags are allowed in the custom formatter JsonML format.\n// See https://firefox-source-docs.mozilla.org/devtools-user/custom_formatters/index.html#html-template-format\ntype AllowedTags = 'span' | 'div' | 'ol' | 'ul' | 'li' | 'table' | 'tr' | 'td';\n\ntype JsonMLText = string;\ntype JsonMLAttrs = Record<string, string>;\ntype JsonMLElement =\n  | [tagName: AllowedTags, ...children: (JsonMLNode | JsonMLChild)[]]\n  | [tagName: AllowedTags, attrs: JsonMLAttrs, ...children: (JsonMLNode | JsonMLChild)[]];\ntype JsonMLNode = JsonMLText | JsonMLElement;\ntype JsonMLChild = ['object', {object: unknown; config?: unknown}];\ntype JsonML = JsonMLNode;\n\ntype FormatterConfig = unknown & {ngSkipFormatting?: boolean};\n\ndeclare global {\n  // We need to use `var` here to be able to declare a global variable.\n  // `let` and `const` will be locally scoped to the file.\n  // tslint:disable-next-line:no-unused-variable\n  var devtoolsFormatters: any[];\n}\n\n/**\n * A custom formatter which renders signals in an easy-to-read format.\n *\n * @see https://firefox-source-docs.mozilla.org/devtools-user/custom_formatters/index.html\n */\n\nconst formatter = {\n  /**\n   *  If the function returns `null`, the formatter is not used for this reference\n   */\n  header: (sig: any, config: FormatterConfig): JsonML | null => {\n    if (!isSignal(sig) || config?.ngSkipFormatting) return null;\n\n    let value: unknown;\n    try {\n      value = sig();\n    } catch {\n      // In case the signl throws, we don't want to break the formatting.\n      return ['span', 'Signal(⚠️ Error)'];\n    }\n\n    const kind = 'computation' in (sig[SIGNAL] as any) ? 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Could return an `object` to call the formatter through DevTools,\n          // but then recursive signals will render multiple expando arrows which is an awkward UX.\n          return formatter.header(value, config)!;\n        } else if (isPrimitive && value !== undefined && typeof value !== 'function') {\n          // Use built-in rendering for primitives which applies standard syntax highlighting / theming.\n          // Can't do this for `undefined` however, as the browser thinks we forgot to provide an object.\n          // Also don't want to do this for functions which render nested expando arrows.\n          return ['object', {object: value}];\n        } else {\n          return prettifyPreview(value as Record<string | number | symbol, unknown>);\n        }\n      })(),\n      ['span', {}, `)`],\n    ];\n  },\n\n  hasBody: (sig: any, config: FormatterConfig) => {\n    if (!isSignal(sig)) return false;\n\n    try {\n      sig();\n    } catch {\n      return false;\n    }\n    return !config?.ngSkipFormatting;\n  },\n\n  body: (sig: any, config: any): JsonML => {\n    // We can use sys colors to fit the current DevTools theme.\n    // Those are unfortunately only available on Chromium-based browsers.\n    // On Firefow we fall back to the default color\n    const color = 'var(--sys-color-primary)';\n\n    return [\n      'div',\n      {style: `background: #FFFFFF10; padding-left: 4px; padding-top: 2px; padding-bottom: 2px;`},\n      ['div', {style: `color: ${color}`}, 'Signal value: '],\n      ['div', {style: `padding-left: .5rem;`}, ['object', {object: sig(), config}]],\n      ['div', {style: `color: ${color}`}, 'Signal function: '],\n      [\n        'div',\n        {style: `padding-left: .5rem;`},\n        ['object', {object: sig, config: {...config, skipFormatting: true}}],\n      ],\n    ];\n  },\n};\n\nfunction prettifyPreview(\n  value: Record<string | number | symbol, unknown> | Array<unknown> | undefined,\n): string | JsonMLChild {\n  if (value === null) return 'null';\n  if (Array.isArray(value)) return `Array(${value.length})`;\n  if (value instanceof Element) return `<${value.tagName.toLowerCase()}>`;\n  if (value instanceof URL) return `URL`;\n\n  switch (typeof value) {\n    case 'undefined': {\n      return 'undefined';\n    }\n    case 'function': {\n      if ('prototype' in value) {\n        // This is what Chrome renders, can't use `object` though because it creates a nested expando arrow.\n        return 'class';\n      } else {\n        return '() => {…}';\n      }\n    }\n    case 'object': {\n      if (value.constructor.name === 'Object') {\n        return '{…}';\n      } else {\n        return `${value.constructor.name} {}`;\n      }\n    }\n    default: {\n      return ['object', {object: value, config: {skipFormatting: true}}];\n    }\n  }\n}\n\nfunction isSignal(value: any): boolean {\n  return value[SIGNAL] !== undefined;\n}\n\n/**\n * Installs the custom formatter into custom formatting on Signals in the devtools.\n *\n * Supported by both Chrome and Firefox.\n *\n * @see https://firefox-source-docs.mozilla.org/devtools-user/custom_formatters/index.html\n */\nexport function installDevToolsSignalFormatter() {\n  globalThis.devtoolsFormatters ??= [];\n  if (!globalThis.devtoolsFormatters.some((f: any) => f === formatter)) {\n    globalThis.devtoolsFormatters.push(formatter);\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  consumerAfterComputation,\n  consumerBeforeComputation,\n  consumerDestroy,\n  consumerMarkDirty,\n  consumerPollProducersForChange,\n  isInNotificationPhase,\n  REACTIVE_NODE,\n  ReactiveNode,\n  SIGNAL,\n} from './graph';\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\n/**\n * A cleanup function that can be optionally registered from the watch logic. 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Could return an `object` to call the formatter through DevTools,\n          // but then recursive signals will render multiple expando arrows which is an awkward UX.\n          return formatter.header(value, config)!;\n        } else if (isPrimitive && value !== undefined && typeof value !== 'function') {\n          // Use built-in rendering for primitives which applies standard syntax highlighting / theming.\n          // Can't do this for `undefined` however, as the browser thinks we forgot to provide an object.\n          // Also don't want to do this for functions which render nested expando arrows.\n          return ['object', {object: value}];\n        } else {\n          return prettifyPreview(value as Record<string | number | symbol, unknown>);\n        }\n      })(),\n      ['span', {}, `)`],\n    ];\n  },\n\n  hasBody: (sig: any, config: FormatterConfig) => {\n    if (!isSignal(sig)) return false;\n\n    try {\n      sig();\n    } catch {\n      return false;\n    }\n    return !config?.ngSkipFormatting;\n  },\n\n  body: (sig: any, config: any): JsonML => {\n    // We can use sys colors to fit the current DevTools theme.\n    // Those are unfortunately only available on Chromium-based browsers.\n    // On Firefow we fall back to the default color\n    const color = 'var(--sys-color-primary)';\n\n    return [\n      'div',\n      {style: `background: #FFFFFF10; padding-left: 4px; padding-top: 2px; padding-bottom: 2px;`},\n      ['div', {style: `color: ${color}`}, 'Signal value: '],\n      ['div', {style: `padding-left: .5rem;`}, ['object', {object: sig(), config}]],\n      ['div', {style: `color: ${color}`}, 'Signal function: '],\n      [\n        'div',\n        {style: `padding-left: .5rem;`},\n        ['object', {object: sig, config: {...config, skipFormatting: true}}],\n      ],\n    ];\n  },\n};\n\nfunction prettifyPreview(\n  value: Record<string | number | symbol, unknown> | Array<unknown> | undefined,\n): string | JsonMLChild {\n  if (value === null) return 'null';\n  if (Array.isArray(value)) return `Array(${value.length})`;\n  if (value instanceof Element) return `<${value.tagName.toLowerCase()}>`;\n  if (value instanceof URL) return `URL`;\n\n  switch (typeof value) {\n    case 'undefined': {\n      return 'undefined';\n    }\n    case 'function': {\n      if ('prototype' in value) {\n        // This is what Chrome renders, can't use `object` though because it creates a nested expando arrow.\n        return 'class';\n      } else {\n        return '() => {…}';\n      }\n    }\n    case 'object': {\n      if (value.constructor.name === 'Object') {\n        return '{…}';\n      } else {\n        return `${value.constructor.name} {}`;\n      }\n    }\n    default: {\n      return ['object', {object: value, config: {skipFormatting: true}}];\n    }\n  }\n}\n\nfunction isSignal(value: any): boolean {\n  return value[SIGNAL] !== undefined;\n}\n\n/**\n * Installs the custom formatter into custom formatting on Signals in the devtools.\n *\n * Supported by both Chrome and Firefox.\n *\n * @see https://firefox-source-docs.mozilla.org/devtools-user/custom_formatters/index.html\n */\nexport function installDevToolsSignalFormatter() {\n  globalThis.devtoolsFormatters ??= [];\n  if (!globalThis.devtoolsFormatters.some((f: any) => f === formatter)) {\n    globalThis.devtoolsFormatters.push(formatter);\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  consumerAfterComputation,\n  consumerBeforeComputation,\n  consumerDestroy,\n  consumerMarkDirty,\n  consumerPollProducersForChange,\n  isInNotificationPhase,\n  REACTIVE_NODE,\n  ReactiveNode,\n  SIGNAL,\n} from './graph';\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\n/**\n * A cleanup function that can be optionally registered from the watch logic. 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fesm2022/resource.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/resource.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"resource.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/authoring/output/output_emitter_ref.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/render3/reactivity/untracked.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/render3/reactivity/computed.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/render3/reactivity/effect.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/render3/reactivity/linked_signal.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/resource/resource.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {setActiveConsumer} from '../../../primitives/signals';\n\nimport {inject} from '../../di/injector_compatibility';\nimport {ErrorHandler} from '../../error_handler';\nimport {formatRuntimeError, RuntimeError, RuntimeErrorCode} from '../../errors';\nimport {DestroyRef} from '../../linker/destroy_ref';\n\nimport {OutputRef, OutputRefSubscription} from './output_ref';\n\n/**\n * An `OutputEmitterRef` is created by the `output()` function and can be\n * used to emit values to consumers of your directive or component.\n *\n * Consumers of your directive/component can bind to the output and\n * subscribe to changes via the bound event syntax. For example:\n *\n * ```html\n * <my-comp (valueChange)=\"processNewValue($event)\" />\n * ```\n *\n * @see [Custom events with outputs](guide/components/outputs)\n *\n * @publicAPI\n */\nexport class OutputEmitterRef<T> implements OutputRef<T> {\n  private destroyed = false;\n  private listeners: Array<(value: T) => void> | null = null;\n  private errorHandler = inject(ErrorHandler, {optional: true});\n\n  /** @internal */\n  destroyRef: DestroyRef = inject(DestroyRef);\n\n  constructor() {\n    // Clean-up all listeners and mark as destroyed upon destroy.\n    this.destroyRef.onDestroy(() => {\n      this.destroyed = true;\n      this.listeners = null;\n    });\n  }\n\n  subscribe(callback: (value: T) => void): OutputRefSubscription {\n    if (this.destroyed) {\n      throw new RuntimeError(\n        RuntimeErrorCode.OUTPUT_REF_DESTROYED,\n        ngDevMode &&\n          'Unexpected subscription to destroyed `OutputRef`. ' +\n            'The owning directive/component is destroyed.',\n      );\n    }\n\n    (this.listeners ??= []).push(callback);\n\n    return {\n      unsubscribe: () => {\n        const idx = this.listeners?.indexOf(callback);\n        if (idx !== undefined && idx !== -1) {\n          this.listeners?.splice(idx, 1);\n        }\n      },\n    };\n  }\n\n  /** Emits a new value to the output. */\n  emit(value: T): void {\n    if (this.destroyed) {\n      console.warn(\n        formatRuntimeError(\n          RuntimeErrorCode.OUTPUT_REF_DESTROYED,\n          ngDevMode &&\n            'Unexpected emit for destroyed `OutputRef`. ' +\n              'The owning directive/component is destroyed.',\n        ),\n      );\n      return;\n    }\n\n    if (this.listeners === null) {\n      return;\n    }\n\n    const previousConsumer = setActiveConsumer(null);\n    try {\n      for (const listenerFn of this.listeners) {\n        try {\n          listenerFn(value);\n        } catch (err: unknown) {\n          this.errorHandler?.handleError(err);\n        }\n      }\n    } finally {\n      setActiveConsumer(previousConsumer);\n    }\n  }\n}\n\n/** Gets the owning `DestroyRef` for the given output. */\nexport function getOutputDestroyRef(ref: OutputRef<unknown>): DestroyRef | undefined {\n  return ref.destroyRef;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {untracked as untrackedPrimitive} from '../../../primitives/signals';\n\n/**\n * Execute an arbitrary function in a non-reactive (non-tracking) context. The executed function\n * can, optionally, return a value.\n * @see [Reading without tracking dependencies](guide/signals#reading-without-tracking-dependencies)\n */\nexport function untracked<T>(nonReactiveReadsFn: () => T): T {\n  return untrackedPrimitive(nonReactiveReadsFn);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {createComputed, SIGNAL} from '../../../primitives/signals';\n\nimport {Signal, ValueEqualityFn} from './api';\n\n/**\n * Options passed to the `computed` creation function.\n */\nexport interface CreateComputedOptions<T> {\n  /**\n   * A comparison function which defines equality for computed values.\n   */\n  equal?: ValueEqualityFn<T>;\n\n  /**\n   * A debug name for the computed signal. Used in Angular DevTools to identify the signal.\n   */\n  debugName?: string;\n}\n\n/**\n * Create a computed `Signal` which derives a reactive value from an expression.\n * @see [Computed signals](guide/signals#computed-signals)\n */\nexport function computed<T>(computation: () => T, options?: CreateComputedOptions<T>): Signal<T> {\n  const getter = createComputed(computation, options?.equal);\n\n  if (ngDevMode) {\n    getter.toString = () => `[Computed: ${getter()}]`;\n    getter[SIGNAL].debugName = options?.debugName;\n  }\n\n  return getter;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  SIGNAL,\n  consumerDestroy,\n  isInNotificationPhase,\n  setActiveConsumer,\n  BaseEffectNode,\n  BASE_EFFECT_NODE,\n  runEffect,\n} from '../../../primitives/signals';\nimport {FLAGS, LViewFlags, LView, EFFECTS} from '../interfaces/view';\nimport {markAncestorsForTraversal} from '../util/view_utils';\nimport {inject} from '../../di/injector_compatibility';\nimport {Injector} from '../../di/injector';\nimport {assertNotInReactiveContext} from './asserts';\nimport {assertInInjectionContext} from '../../di/contextual';\nimport {DestroyRef, NodeInjectorDestroyRef} from '../../linker/destroy_ref';\nimport {ViewContext} from '../view_context';\nimport {noop} from '../../util/noop';\nimport {\n  ChangeDetectionScheduler,\n  NotificationSource,\n} from '../../change_detection/scheduling/zoneless_scheduling';\nimport {setIsRefreshingViews} from '../state';\nimport {EffectScheduler, SchedulableEffect} from './root_effect_scheduler';\n\nimport {emitEffectCreatedEvent, setInjectorProfilerContext} from '../debug/injector_profiler';\n\n/**\n * A global reactive effect, which can be manually destroyed.\n *\n * @publicApi 20.0\n */\nexport interface EffectRef {\n  /**\n   * Shut down the effect, removing it from any upcoming scheduled executions.\n   */\n  destroy(): void;\n}\n\nexport class EffectRefImpl implements EffectRef {\n  [SIGNAL]: EffectNode;\n\n  constructor(node: EffectNode) {\n    this[SIGNAL] = node;\n  }\n\n  destroy(): void {\n    this[SIGNAL].destroy();\n  }\n}\n\n/**\n * Options passed to the `effect` function.\n *\n * @publicApi 20.0\n */\nexport interface CreateEffectOptions {\n  /**\n   * The `Injector` in which to create the effect.\n   *\n   * If this is not provided, the current [injection context](guide/di/dependency-injection-context)\n   * will be used instead (via `inject`).\n   */\n  injector?: Injector;\n\n  /**\n   * Whether the `effect` should require manual cleanup.\n   *\n   * If this is `false` (the default) the effect will automatically register itself to be cleaned up\n   * with the current `DestroyRef`.\n   *\n   * If this is `true` and you want to use the effect outside an injection context, you still\n   * need to provide an `Injector` to the effect.\n   */\n  manualCleanup?: boolean;\n\n  /**\n   * @deprecated no longer required, signal writes are allowed by default.\n   */\n  allowSignalWrites?: boolean;\n\n  /**\n   * A debug name for the effect. Used in Angular DevTools to identify the effect.\n   */\n  debugName?: string;\n}\n\n/**\n * An effect can, optionally, register a cleanup function. If registered, the cleanup is executed\n * before the next effect run. The cleanup function makes it possible to \"cancel\" any work that the\n * previous effect run might have started.\n *\n * @see [Effect cleanup functions](guide/signals#effect-cleanup-functions)\n *\n * @publicApi 20.0\n */\nexport type EffectCleanupFn = () => void;\n\n/**\n * A callback passed to the effect function that makes it possible to register cleanup logic.\n *\n * @see [Effect cleanup functions](guide/signals#effect-cleanup-functions)\n *\n * @publicApi 20.0\n */\nexport type EffectCleanupRegisterFn = (cleanupFn: EffectCleanupFn) => void;\n\n/**\n * Registers an \"effect\" that will be scheduled & executed whenever the signals that it reads\n * changes.\n *\n * Angular has two different kinds of effect: component effects and root effects. Component effects\n * are created when `effect()` is called from a component, directive, or within a service of a\n * component/directive. Root effects are created when `effect()` is called from outside the\n * component tree, such as in a root service.\n *\n * The two effect types differ in their timing. Component effects run as a component lifecycle\n * event during Angular's synchronization (change detection) process, and can safely read input\n * signals or create/destroy views that depend on component state. Root effects run as microtasks\n * and have no connection to the component tree or change detection.\n *\n * `effect()` must be run in injection context, unless the `injector` option is manually specified.\n *\n * @see [Effects](guide/signals#effects)\n *\n * @publicApi 20.0\n */\nexport function effect(\n  effectFn: (onCleanup: EffectCleanupRegisterFn) => void,\n  options?: CreateEffectOptions,\n): EffectRef {\n  ngDevMode &&\n    assertNotInReactiveContext(\n      effect,\n      'Call `effect` outside of a reactive context. For example, schedule the ' +\n        'effect inside the component constructor.',\n    );\n\n  if (ngDevMode && !options?.injector) {\n    assertInInjectionContext(effect);\n  }\n\n  if (ngDevMode && options?.allowSignalWrites !== undefined) {\n    console.warn(\n      `The 'allowSignalWrites' flag is deprecated and no longer impacts effect() (writes are always allowed)`,\n    );\n  }\n\n  const injector = options?.injector ?? inject(Injector);\n  let destroyRef = options?.manualCleanup !== true ? injector.get(DestroyRef) : null;\n\n  let node: EffectNode;\n\n  const viewContext = injector.get(ViewContext, null, {optional: true});\n  const notifier = injector.get(ChangeDetectionScheduler);\n  if (viewContext !== null) {\n    // This effect was created in the context of a view, and will be associated with the view.\n    node = createViewEffect(viewContext.view, notifier, effectFn);\n    if (destroyRef instanceof NodeInjectorDestroyRef && destroyRef._lView === viewContext.view) {\n      // The effect is being created in the same view as the `DestroyRef` references, so it will be\n      // automatically destroyed without the need for an explicit `DestroyRef` registration.\n      destroyRef = null;\n    }\n  } else {\n    // This effect was created outside the context of a view, and will be scheduled independently.\n    node = createRootEffect(effectFn, injector.get(EffectScheduler), notifier);\n  }\n  node.injector = injector;\n\n  if (destroyRef !== null) {\n    // If we need to register for cleanup, do that here.\n    node.onDestroyFn = destroyRef.onDestroy(() => node.destroy());\n  }\n\n  const effectRef = new EffectRefImpl(node);\n\n  if (ngDevMode) {\n    node.debugName = options?.debugName ?? '';\n    const prevInjectorProfilerContext = setInjectorProfilerContext({injector, token: null});\n    try {\n      emitEffectCreatedEvent(effectRef);\n    } finally {\n      setInjectorProfilerContext(prevInjectorProfilerContext);\n    }\n  }\n\n  return effectRef;\n}\n\nexport interface EffectNode extends BaseEffectNode, SchedulableEffect {\n  cleanupFns: EffectCleanupFn[] | undefined;\n  injector: Injector;\n  notifier: ChangeDetectionScheduler;\n\n  onDestroyFn: () => void;\n}\n\nexport interface ViewEffectNode extends EffectNode {\n  view: LView;\n}\n\nexport interface RootEffectNode extends EffectNode {\n  scheduler: EffectScheduler;\n}\n\nexport const EFFECT_NODE: Omit<EffectNode, 'fn' | 'destroy' | 'injector' | 'notifier'> =\n  /* @__PURE__ */ (() => ({\n    ...BASE_EFFECT_NODE,\n    cleanupFns: undefined,\n    zone: null,\n    onDestroyFn: noop,\n    run(this: EffectNode): void {\n      if (ngDevMode && isInNotificationPhase()) {\n        throw new Error(`Schedulers cannot synchronously execute watches while scheduling.`);\n      }\n      // We clear `setIsRefreshingViews` so that `markForCheck()` within the body of an effect will\n      // cause CD to reach the component in question.\n      const prevRefreshingViews = setIsRefreshingViews(false);\n      try {\n        runEffect(this);\n      } finally {\n        setIsRefreshingViews(prevRefreshingViews);\n      }\n    },\n\n    cleanup(this: EffectNode): void {\n      if (!this.cleanupFns?.length) {\n        return;\n      }\n      const prevConsumer = setActiveConsumer(null);\n      try {\n        // Attempt to run the cleanup functions. Regardless of failure or success, we consider\n        // cleanup \"completed\" and clear the list for the next run of the effect. Note that an error\n        // from the cleanup function will still crash the current run of the effect.\n        while (this.cleanupFns.length) {\n          this.cleanupFns.pop()!();\n        }\n      } finally {\n        this.cleanupFns = [];\n        setActiveConsumer(prevConsumer);\n      }\n    },\n  }))();\n\nexport const ROOT_EFFECT_NODE: Omit<RootEffectNode, 'fn' | 'scheduler' | 'notifier' | 'injector'> =\n  /* @__PURE__ */ (() => ({\n    ...EFFECT_NODE,\n    consumerMarkedDirty(this: RootEffectNode) {\n      this.scheduler.schedule(this);\n      this.notifier.notify(NotificationSource.RootEffect);\n    },\n    destroy(this: RootEffectNode) {\n      consumerDestroy(this);\n      this.onDestroyFn();\n      this.cleanup();\n      this.scheduler.remove(this);\n    },\n  }))();\n\nexport const VIEW_EFFECT_NODE: Omit<ViewEffectNode, 'fn' | 'view' | 'injector' | 'notifier'> =\n  /* @__PURE__ */ (() => ({\n    ...EFFECT_NODE,\n    consumerMarkedDirty(this: ViewEffectNode): void {\n      this.view[FLAGS] |= LViewFlags.HasChildViewsToRefresh;\n      markAncestorsForTraversal(this.view);\n      this.notifier.notify(NotificationSource.ViewEffect);\n    },\n    destroy(this: ViewEffectNode): void {\n      consumerDestroy(this);\n      this.onDestroyFn();\n      this.cleanup();\n      this.view[EFFECTS]?.delete(this);\n    },\n  }))();\n\nexport function createViewEffect(\n  view: LView,\n  notifier: ChangeDetectionScheduler,\n  fn: (onCleanup: EffectCleanupRegisterFn) => void,\n): ViewEffectNode {\n  const node = Object.create(VIEW_EFFECT_NODE) as ViewEffectNode;\n  node.view = view;\n  node.zone = typeof Zone !== 'undefined' ? Zone.current : null;\n  node.notifier = notifier;\n  node.fn = createEffectFn(node, fn);\n\n  view[EFFECTS] ??= new Set();\n  view[EFFECTS].add(node);\n\n  node.consumerMarkedDirty(node);\n  return node;\n}\n\nexport function createRootEffect(\n  fn: (onCleanup: EffectCleanupRegisterFn) => void,\n  scheduler: EffectScheduler,\n  notifier: ChangeDetectionScheduler,\n): RootEffectNode {\n  const node = Object.create(ROOT_EFFECT_NODE) as RootEffectNode;\n  node.fn = createEffectFn(node, fn);\n  node.scheduler = scheduler;\n  node.notifier = notifier;\n  node.zone = typeof Zone !== 'undefined' ? Zone.current : null;\n  node.scheduler.add(node);\n  node.notifier.notify(NotificationSource.RootEffect);\n  return node;\n}\n\nfunction createEffectFn(node: EffectNode, fn: (onCleanup: EffectCleanupRegisterFn) => void) {\n  return () => {\n    fn((cleanupFn) => (node.cleanupFns ??= []).push(cleanupFn));\n  };\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  ComputationFn,\n  createLinkedSignal,\n  LinkedSignalGetter,\n  LinkedSignalNode,\n  linkedSignalSetFn,\n  linkedSignalUpdateFn,\n  SIGNAL,\n} from '../../../primitives/signals';\nimport {Signal, ValueEqualityFn} from './api';\nimport {signalAsReadonlyFn, WritableSignal} from './signal';\n\nconst identityFn = <T>(v: T) => v;\n\n/**\n * Creates a writable signal whose value is initialized and reset by the linked, reactive computation.\n *\n * @publicApi 20.0\n */\nexport function linkedSignal<D>(\n  computation: () => D,\n  options?: {equal?: ValueEqualityFn<NoInfer<D>>; debugName?: string},\n): WritableSignal<D>;\n\n/**\n * Creates a writable signal whose value is initialized and reset by the linked, reactive computation.\n * This is an advanced API form where the computation has access to the previous value of the signal and the computation result.\n *\n * Note: The computation is reactive, meaning the linked signal will automatically update whenever any of the signals used within the computation change.\n *\n * @publicApi 20.0\n * @see [Dependent state with linkedSignal](guide/signals/linked-signal)\n */\nexport function linkedSignal<S, D>(options: {\n  source: () => S;\n  computation: (source: NoInfer<S>, previous?: {source: NoInfer<S>; value: NoInfer<D>}) => D;\n  equal?: ValueEqualityFn<NoInfer<D>>;\n  debugName?: string;\n}): WritableSignal<D>;\n\nexport function linkedSignal<S, D>(\n  optionsOrComputation:\n    | {\n        source: () => S;\n        computation: ComputationFn<S, D>;\n        equal?: ValueEqualityFn<D>;\n        debugName?: string;\n      }\n    | (() => D),\n  options?: {equal?: ValueEqualityFn<D>; debugName?: string},\n): WritableSignal<D> {\n  if (typeof optionsOrComputation === 'function') {\n    const getter = createLinkedSignal<D, D>(\n      optionsOrComputation,\n      identityFn<D>,\n      options?.equal,\n    ) as LinkedSignalGetter<D, D> & WritableSignal<D>;\n    return upgradeLinkedSignalGetter(getter, options?.debugName);\n  } else {\n    const getter = createLinkedSignal<S, D>(\n      optionsOrComputation.source,\n      optionsOrComputation.computation,\n      optionsOrComputation.equal,\n    );\n    return upgradeLinkedSignalGetter(getter, optionsOrComputation.debugName);\n  }\n}\n\nfunction upgradeLinkedSignalGetter<S, D>(\n  getter: LinkedSignalGetter<S, D>,\n  debugName?: string,\n): WritableSignal<D> {\n  if (ngDevMode) {\n    getter.toString = () => `[LinkedSignal: ${getter()}]`;\n    getter[SIGNAL].debugName = debugName;\n  }\n\n  const node = getter[SIGNAL] as LinkedSignalNode<S, D>;\n  const upgradedGetter = getter as LinkedSignalGetter<S, D> & WritableSignal<D>;\n\n  upgradedGetter.set = (newValue: D) => linkedSignalSetFn(node, newValue);\n  upgradedGetter.update = (updateFn: (value: D) => D) => linkedSignalUpdateFn(node, updateFn);\n  upgradedGetter.asReadonly = signalAsReadonlyFn.bind(getter as any) as () => Signal<D>;\n\n  return upgradedGetter;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {untracked} from '../render3/reactivity/untracked';\nimport {computed} from '../render3/reactivity/computed';\nimport {signal, signalAsReadonlyFn, WritableSignal} from '../render3/reactivity/signal';\nimport {Signal, ValueEqualityFn} from '../render3/reactivity/api';\nimport {effect, EffectRef} from '../render3/reactivity/effect';\nimport {\n  ResourceOptions,\n  ResourceStatus,\n  WritableResource,\n  Resource,\n  ResourceRef,\n  ResourceStreamingLoader,\n  StreamingResourceOptions,\n  ResourceStreamItem,\n  ResourceLoaderParams,\n} from './api';\n\nimport {Injector} from '../di/injector';\nimport {assertInInjectionContext} from '../di/contextual';\nimport {inject} from '../di/injector_compatibility';\nimport {PendingTasks} from '../pending_tasks';\nimport {linkedSignal} from '../render3/reactivity/linked_signal';\nimport {DestroyRef} from '../linker/destroy_ref';\n\n/**\n * Constructs a `Resource` that projects a reactive request to an asynchronous operation defined by\n * a loader function, which exposes the result of the loading operation via signals.\n *\n * Note that `resource` is intended for _read_ operations, not operations which perform mutations.\n * `resource` will cancel in-progress loads via the `AbortSignal` when destroyed or when a new\n * request object becomes available, which could prematurely abort mutations.\n *\n * @see [Async reactivity with resources](guide/signals/resource)\n *\n * @experimental 19.0\n */\nexport function resource<T, R>(\n  options: ResourceOptions<T, R> & {defaultValue: NoInfer<T>},\n): ResourceRef<T>;\n\n/**\n * Constructs a `Resource` that projects a reactive request to an asynchronous operation defined by\n * a loader function, which exposes the result of the loading operation via signals.\n *\n * Note that `resource` is intended for _read_ operations, not operations which perform mutations.\n * `resource` will cancel in-progress loads via the `AbortSignal` when destroyed or when a new\n * request object becomes available, which could prematurely abort mutations.\n *\n * @experimental 19.0\n * @see [Async reactivity with resources](guide/signals/resource)\n */\nexport function resource<T, R>(options: ResourceOptions<T, R>): ResourceRef<T | undefined>;\nexport function resource<T, R>(options: ResourceOptions<T, R>): ResourceRef<T | undefined> {\n  if (ngDevMode && !options?.injector) {\n    assertInInjectionContext(resource);\n  }\n\n  const oldNameForParams = (\n    options as ResourceOptions<T, R> & {request: ResourceOptions<T, R>['params']}\n  ).request;\n  const params = (options.params ?? oldNameForParams ?? (() => null)) as () => R;\n  return new ResourceImpl<T | undefined, R>(\n    params,\n    getLoader(options),\n    options.defaultValue,\n    options.equal ? wrapEqualityFn(options.equal) : undefined,\n    options.injector ?? inject(Injector),\n  );\n}\n\ntype ResourceInternalStatus = 'idle' | 'loading' | 'resolved' | 'local';\n\n/**\n * Internal state of a resource.\n */\ninterface ResourceProtoState<T> {\n  extRequest: WrappedRequest;\n\n  // For simplicity, status is internally tracked as a subset of the public status enum.\n  // Reloading and Error statuses are projected from Loading and Resolved based on other state.\n  status: ResourceInternalStatus;\n}\n\ninterface ResourceState<T> extends ResourceProtoState<T> {\n  previousStatus: ResourceStatus;\n  stream: Signal<ResourceStreamItem<T>> | undefined;\n}\n\ntype WrappedRequest = {request: unknown; reload: number};\n\n/**\n * Base class which implements `.value` as a `WritableSignal` by delegating `.set` and `.update`.\n */\nabstract class BaseWritableResource<T> implements WritableResource<T> {\n  readonly value: WritableSignal<T>;\n  abstract readonly status: Signal<ResourceStatus>;\n  abstract readonly error: Signal<Error | undefined>;\n\n  abstract reload(): boolean;\n\n  constructor(value: Signal<T>) {\n    this.value = value as WritableSignal<T>;\n    this.value.set = this.set.bind(this);\n    this.value.update = this.update.bind(this);\n    this.value.asReadonly = signalAsReadonlyFn;\n  }\n\n  abstract set(value: T): void;\n\n  private readonly isError = computed(() => this.status() === 'error');\n\n  update(updateFn: (value: T) => T): void {\n    this.set(updateFn(untracked(this.value)));\n  }\n\n  readonly isLoading = computed(() => this.status() === 'loading' || this.status() === 'reloading');\n\n  // Use a computed here to avoid triggering reactive consumers if the value changes while staying\n  // either defined or undefined.\n  private readonly isValueDefined = computed(() => {\n    // Check if it's in an error state first to prevent the error from bubbling up.\n    if (this.isError()) {\n      return false;\n    }\n\n    return this.value() !== undefined;\n  });\n\n  hasValue(): this is ResourceRef<Exclude<T, undefined>> {\n    return this.isValueDefined();\n  }\n\n  asReadonly(): Resource<T> {\n    return this;\n  }\n}\n\n/**\n * Implementation for `resource()` which uses a `linkedSignal` to manage the resource's state.\n */\nexport class ResourceImpl<T, R> extends BaseWritableResource<T> implements ResourceRef<T> {\n  private readonly pendingTasks: PendingTasks;\n\n  /**\n   * The current state of the resource. Status, value, and error are derived from this.\n   */\n  private readonly state: WritableSignal<ResourceState<T>>;\n\n  /**\n   * Combines the current request with a reload counter which allows the resource to be reloaded on\n   * imperative command.\n   */\n  protected readonly extRequest: WritableSignal<WrappedRequest>;\n  private readonly effectRef: EffectRef;\n\n  private pendingController: AbortController | undefined;\n  private resolvePendingTask: (() => void) | undefined = undefined;\n  private destroyed = false;\n  private unregisterOnDestroy: () => void;\n\n  constructor(\n    request: () => R,\n    private readonly loaderFn: ResourceStreamingLoader<T, R>,\n    defaultValue: T,\n    private readonly equal: ValueEqualityFn<T> | undefined,\n    injector: Injector,\n  ) {\n    super(\n      // Feed a computed signal for the value to `BaseWritableResource`, which will upgrade it to a\n      // `WritableSignal` that delegates to `ResourceImpl.set`.\n      computed(\n        () => {\n          const streamValue = this.state().stream?.();\n\n          if (!streamValue) {\n            return defaultValue;\n          }\n\n          // Prevents `hasValue()` from throwing an error when a reload happened in the error state\n          if (this.state().status === 'loading' && this.error()) {\n            return defaultValue;\n          }\n\n          if (!isResolved(streamValue)) {\n            throw new ResourceValueError(this.error()!);\n          }\n\n          return streamValue.value;\n        },\n        {equal},\n      ),\n    );\n\n    // Extend `request()` to include a writable reload signal.\n    this.extRequest = linkedSignal({\n      source: request,\n      computation: (request) => ({request, reload: 0}),\n    });\n\n    // The main resource state is managed in a `linkedSignal`, which allows the resource to change\n    // state instantaneously when the request signal changes.\n    this.state = linkedSignal<WrappedRequest, ResourceState<T>>({\n      // Whenever the request changes,\n      source: this.extRequest,\n      // Compute the state of the resource given a change in status.\n      computation: (extRequest, previous) => {\n        const status = extRequest.request === undefined ? 'idle' : 'loading';\n        if (!previous) {\n          return {\n            extRequest,\n            status,\n            previousStatus: 'idle',\n            stream: undefined,\n          };\n        } else {\n          return {\n            extRequest,\n            status,\n            previousStatus: projectStatusOfState(previous.value),\n            // If the request hasn't changed, keep the previous stream.\n            stream:\n              previous.value.extRequest.request === extRequest.request\n                ? previous.value.stream\n                : undefined,\n          };\n        }\n      },\n    });\n\n    this.effectRef = effect(this.loadEffect.bind(this), {\n      injector,\n      manualCleanup: true,\n    });\n\n    this.pendingTasks = injector.get(PendingTasks);\n\n    // Cancel any pending request when the resource itself is destroyed.\n    this.unregisterOnDestroy = injector.get(DestroyRef).onDestroy(() => this.destroy());\n  }\n\n  override readonly status = computed(() => projectStatusOfState(this.state()));\n\n  override readonly error = computed(() => {\n    const stream = this.state().stream?.();\n    return stream && !isResolved(stream) ? stream.error : undefined;\n  });\n\n  /**\n   * Called either directly via `WritableResource.set` or via `.value.set()`.\n   */\n  override set(value: T): void {\n    if (this.destroyed) {\n      return;\n    }\n\n    const error = untracked(this.error);\n    const state = untracked(this.state);\n\n    if (!error) {\n      const current = untracked(this.value);\n      if (\n        state.status === 'local' &&\n        (this.equal ? this.equal(current, value) : current === value)\n      ) {\n        return;\n      }\n    }\n\n    // Enter Local state with the user-defined value.\n    this.state.set({\n      extRequest: state.extRequest,\n      status: 'local',\n      previousStatus: 'local',\n      stream: signal({value}),\n    });\n\n    // We're departing from whatever state the resource was in previously, so cancel any in-progress\n    // loading operations.\n    this.abortInProgressLoad();\n  }\n\n  override reload(): boolean {\n    // We don't want to restart in-progress loads.\n    const {status} = untracked(this.state);\n    if (status === 'idle' || status === 'loading') {\n      return false;\n    }\n\n    // Increment the request reload to trigger the `state` linked signal to switch us to `Reload`\n    this.extRequest.update(({request, reload}) => ({request, reload: reload + 1}));\n    return true;\n  }\n\n  destroy(): void {\n    this.destroyed = true;\n    this.unregisterOnDestroy();\n    this.effectRef.destroy();\n    this.abortInProgressLoad();\n\n    // Destroyed resources enter Idle state.\n    this.state.set({\n      extRequest: {request: undefined, reload: 0},\n      status: 'idle',\n      previousStatus: 'idle',\n      stream: undefined,\n    });\n  }\n\n  private async loadEffect(): Promise<void> {\n    const extRequest = this.extRequest();\n\n    // Capture the previous status before any state transitions. Note that this is `untracked` since\n    // we do not want the effect to depend on the state of the resource, only on the request.\n    const {status: currentStatus, previousStatus} = untracked(this.state);\n\n    if (extRequest.request === undefined) {\n      // Nothing to load (and we should already be in a non-loading state).\n      return;\n    } else if (currentStatus !== 'loading') {\n      // We're not in a loading or reloading state, so this loading request is stale.\n      return;\n    }\n\n    // Cancel any previous loading attempts.\n    this.abortInProgressLoad();\n\n    // Capturing _this_ load's pending task in a local variable is important here. We may attempt to\n    // resolve it twice:\n    //\n    //  1. when the loading function promise resolves/rejects\n    //  2. when cancelling the loading operation\n    //\n    // After the loading operation is cancelled, `this.resolvePendingTask` no longer represents this\n    // particular task, but this `await` may eventually resolve/reject. Thus, when we cancel in\n    // response to (1) below, we need to cancel the locally saved task.\n    let resolvePendingTask: (() => void) | undefined = (this.resolvePendingTask =\n      this.pendingTasks.add());\n\n    const {signal: abortSignal} = (this.pendingController = new AbortController());\n\n    try {\n      // The actual loading is run through `untracked` - only the request side of `resource` is\n      // reactive. This avoids any confusion with signals tracking or not tracking depending on\n      // which side of the `await` they are.\n      const stream = await untracked(() => {\n        return this.loaderFn({\n          params: extRequest.request as Exclude<R, undefined>,\n          // TODO(alxhub): cleanup after g3 removal of `request` alias.\n          request: extRequest.request as Exclude<R, undefined>,\n          abortSignal,\n          previous: {\n            status: previousStatus,\n          },\n        } as ResourceLoaderParams<R>);\n      });\n\n      // If this request has been aborted, or the current request no longer\n      // matches this load, then we should ignore this resolution.\n      if (abortSignal.aborted || untracked(this.extRequest) !== extRequest) {\n        return;\n      }\n\n      this.state.set({\n        extRequest,\n        status: 'resolved',\n        previousStatus: 'resolved',\n        stream,\n      });\n    } catch (err) {\n      if (abortSignal.aborted || untracked(this.extRequest) !== extRequest) {\n        return;\n      }\n\n      this.state.set({\n        extRequest,\n        status: 'resolved',\n        previousStatus: 'error',\n        stream: signal({error: encapsulateResourceError(err)}),\n      });\n    } finally {\n      // Resolve the pending task now that the resource has a value.\n      resolvePendingTask?.();\n      resolvePendingTask = undefined;\n    }\n  }\n\n  private abortInProgressLoad(): void {\n    untracked(() => this.pendingController?.abort());\n    this.pendingController = undefined;\n\n    // Once the load is aborted, we no longer want to block stability on its resolution.\n    this.resolvePendingTask?.();\n    this.resolvePendingTask = undefined;\n  }\n}\n\n/**\n * Wraps an equality function to handle either value being `undefined`.\n */\nfunction wrapEqualityFn<T>(equal: ValueEqualityFn<T>): ValueEqualityFn<T | undefined> {\n  return (a, b) => (a === undefined || b === undefined ? a === b : equal(a, b));\n}\n\nfunction getLoader<T, R>(options: ResourceOptions<T, R>): ResourceStreamingLoader<T, R> {\n  if (isStreamingResourceOptions(options)) {\n    return options.stream;\n  }\n\n  return async (params) => {\n    try {\n      return signal({value: await options.loader(params)});\n    } catch (err) {\n      return signal({error: encapsulateResourceError(err)});\n    }\n  };\n}\n\nfunction isStreamingResourceOptions<T, R>(\n  options: ResourceOptions<T, R>,\n): options is StreamingResourceOptions<T, R> {\n  return !!(options as StreamingResourceOptions<T, R>).stream;\n}\n\n/**\n * Project from a state with `ResourceInternalStatus` to the user-facing `ResourceStatus`\n */\nfunction projectStatusOfState(state: ResourceState<unknown>): ResourceStatus {\n  switch (state.status) {\n    case 'loading':\n      return state.extRequest.reload === 0 ? 'loading' : 'reloading';\n    case 'resolved':\n      return isResolved(state.stream!()) ? 'resolved' : 'error';\n    default:\n      return state.status;\n  }\n}\n\nfunction isResolved<T>(state: ResourceStreamItem<T>): state is {value: T} {\n  return (state as {error: unknown}).error === undefined;\n}\n\nexport function encapsulateResourceError(error: unknown): Error {\n  if (error instanceof Error) {\n    return error;\n  }\n\n  return new ResourceWrappedError(error);\n}\n\nclass ResourceValueError extends Error {\n  constructor(error: Error) {\n    super(\n      ngDevMode\n        ? `Resource is currently in an error state (see Error.cause for details): ${error.message}`\n        : error.message,\n      {cause: error},\n    );\n  }\n}\n\nclass ResourceWrappedError extends Error {\n  constructor(error: unknown) {\n    super(\n      ngDevMode\n        ? `Resource returned an error that's not an Error instance: ${String(error)}. Check this error's .cause for the actual error.`\n        : String(error),\n      {cause: error},\n    );\n  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+{"version":3,"file":"resource.mjs","sources":["../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/authoring/output/output_emitter_ref.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/render3/reactivity/untracked.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/render3/reactivity/computed.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/render3/reactivity/effect.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/render3/reactivity/linked_signal.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/src/resource/resource.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {setActiveConsumer} from '../../../primitives/signals';\n\nimport {inject} from '../../di/injector_compatibility';\nimport {ErrorHandler} from '../../error_handler';\nimport {formatRuntimeError, RuntimeError, RuntimeErrorCode} from '../../errors';\nimport {DestroyRef} from '../../linker/destroy_ref';\n\nimport {OutputRef, OutputRefSubscription} from './output_ref';\n\n/**\n * An `OutputEmitterRef` is created by the `output()` function and can be\n * used to emit values to consumers of your directive or component.\n *\n * Consumers of your directive/component can bind to the output and\n * subscribe to changes via the bound event syntax. For example:\n *\n * ```html\n * <my-comp (valueChange)=\"processNewValue($event)\" />\n * ```\n *\n * @see [Custom events with outputs](guide/components/outputs)\n *\n * @publicAPI\n */\nexport class OutputEmitterRef<T> implements OutputRef<T> {\n  private destroyed = false;\n  private listeners: Array<(value: T) => void> | null = null;\n  private errorHandler = inject(ErrorHandler, {optional: true});\n\n  /** @internal */\n  destroyRef: DestroyRef = inject(DestroyRef);\n\n  constructor() {\n    // Clean-up all listeners and mark as destroyed upon destroy.\n    this.destroyRef.onDestroy(() => {\n      this.destroyed = true;\n      this.listeners = null;\n    });\n  }\n\n  subscribe(callback: (value: T) => void): OutputRefSubscription {\n    if (this.destroyed) {\n      throw new RuntimeError(\n        RuntimeErrorCode.OUTPUT_REF_DESTROYED,\n        ngDevMode &&\n          'Unexpected subscription to destroyed `OutputRef`. ' +\n            'The owning directive/component is destroyed.',\n      );\n    }\n\n    (this.listeners ??= []).push(callback);\n\n    return {\n      unsubscribe: () => {\n        const idx = this.listeners?.indexOf(callback);\n        if (idx !== undefined && idx !== -1) {\n          this.listeners?.splice(idx, 1);\n        }\n      },\n    };\n  }\n\n  /** Emits a new value to the output. */\n  emit(value: T): void {\n    if (this.destroyed) {\n      console.warn(\n        formatRuntimeError(\n          RuntimeErrorCode.OUTPUT_REF_DESTROYED,\n          ngDevMode &&\n            'Unexpected emit for destroyed `OutputRef`. ' +\n              'The owning directive/component is destroyed.',\n        ),\n      );\n      return;\n    }\n\n    if (this.listeners === null) {\n      return;\n    }\n\n    const previousConsumer = setActiveConsumer(null);\n    try {\n      for (const listenerFn of this.listeners) {\n        try {\n          listenerFn(value);\n        } catch (err: unknown) {\n          this.errorHandler?.handleError(err);\n        }\n      }\n    } finally {\n      setActiveConsumer(previousConsumer);\n    }\n  }\n}\n\n/** Gets the owning `DestroyRef` for the given output. */\nexport function getOutputDestroyRef(ref: OutputRef<unknown>): DestroyRef | undefined {\n  return ref.destroyRef;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {untracked as untrackedPrimitive} from '../../../primitives/signals';\n\n/**\n * Execute an arbitrary function in a non-reactive (non-tracking) context. The executed function\n * can, optionally, return a value.\n * @see [Reading without tracking dependencies](guide/signals#reading-without-tracking-dependencies)\n */\nexport function untracked<T>(nonReactiveReadsFn: () => T): T {\n  return untrackedPrimitive(nonReactiveReadsFn);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {createComputed, SIGNAL} from '../../../primitives/signals';\n\nimport {Signal, ValueEqualityFn} from './api';\n\n/**\n * Options passed to the `computed` creation function.\n */\nexport interface CreateComputedOptions<T> {\n  /**\n   * A comparison function which defines equality for computed values.\n   */\n  equal?: ValueEqualityFn<T>;\n\n  /**\n   * A debug name for the computed signal. Used in Angular DevTools to identify the signal.\n   */\n  debugName?: string;\n}\n\n/**\n * Create a computed `Signal` which derives a reactive value from an expression.\n * @see [Computed signals](guide/signals#computed-signals)\n */\nexport function computed<T>(computation: () => T, options?: CreateComputedOptions<T>): Signal<T> {\n  const getter = createComputed(computation, options?.equal);\n\n  if (ngDevMode) {\n    getter.toString = () => `[Computed: ${getter()}]`;\n    getter[SIGNAL].debugName = options?.debugName;\n  }\n\n  return getter;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  SIGNAL,\n  consumerDestroy,\n  isInNotificationPhase,\n  setActiveConsumer,\n  BaseEffectNode,\n  BASE_EFFECT_NODE,\n  runEffect,\n} from '../../../primitives/signals';\nimport {FLAGS, LViewFlags, LView, EFFECTS} from '../interfaces/view';\nimport {markAncestorsForTraversal} from '../util/view_utils';\nimport {inject} from '../../di/injector_compatibility';\nimport {Injector} from '../../di/injector';\nimport {assertNotInReactiveContext} from './asserts';\nimport {assertInInjectionContext} from '../../di/contextual';\nimport {DestroyRef, NodeInjectorDestroyRef} from '../../linker/destroy_ref';\nimport {ViewContext} from '../view_context';\nimport {noop} from '../../util/noop';\nimport {\n  ChangeDetectionScheduler,\n  NotificationSource,\n} from '../../change_detection/scheduling/zoneless_scheduling';\nimport {setIsRefreshingViews} from '../state';\nimport {EffectScheduler, SchedulableEffect} from './root_effect_scheduler';\n\nimport {emitEffectCreatedEvent, setInjectorProfilerContext} from '../debug/injector_profiler';\n\n/**\n * A global reactive effect, which can be manually destroyed.\n *\n * @publicApi 20.0\n */\nexport interface EffectRef {\n  /**\n   * Shut down the effect, removing it from any upcoming scheduled executions.\n   */\n  destroy(): void;\n}\n\nexport class EffectRefImpl implements EffectRef {\n  [SIGNAL]: EffectNode;\n\n  constructor(node: EffectNode) {\n    this[SIGNAL] = node;\n  }\n\n  destroy(): void {\n    this[SIGNAL].destroy();\n  }\n}\n\n/**\n * Options passed to the `effect` function.\n *\n * @publicApi 20.0\n */\nexport interface CreateEffectOptions {\n  /**\n   * The `Injector` in which to create the effect.\n   *\n   * If this is not provided, the current [injection context](guide/di/dependency-injection-context)\n   * will be used instead (via `inject`).\n   */\n  injector?: Injector;\n\n  /**\n   * Whether the `effect` should require manual cleanup.\n   *\n   * If this is `false` (the default) the effect will automatically register itself to be cleaned up\n   * with the current `DestroyRef`.\n   *\n   * If this is `true` and you want to use the effect outside an injection context, you still\n   * need to provide an `Injector` to the effect.\n   */\n  manualCleanup?: boolean;\n\n  /**\n   * @deprecated no longer required, signal writes are allowed by default.\n   */\n  allowSignalWrites?: boolean;\n\n  /**\n   * A debug name for the effect. Used in Angular DevTools to identify the effect.\n   */\n  debugName?: string;\n}\n\n/**\n * An effect can, optionally, register a cleanup function. If registered, the cleanup is executed\n * before the next effect run. The cleanup function makes it possible to \"cancel\" any work that the\n * previous effect run might have started.\n *\n * @see [Effect cleanup functions](guide/signals#effect-cleanup-functions)\n *\n * @publicApi 20.0\n */\nexport type EffectCleanupFn = () => void;\n\n/**\n * A callback passed to the effect function that makes it possible to register cleanup logic.\n *\n * @see [Effect cleanup functions](guide/signals#effect-cleanup-functions)\n *\n * @publicApi 20.0\n */\nexport type EffectCleanupRegisterFn = (cleanupFn: EffectCleanupFn) => void;\n\n/**\n * Registers an \"effect\" that will be scheduled & executed whenever the signals that it reads\n * changes.\n *\n * Angular has two different kinds of effect: component effects and root effects. Component effects\n * are created when `effect()` is called from a component, directive, or within a service of a\n * component/directive. Root effects are created when `effect()` is called from outside the\n * component tree, such as in a root service.\n *\n * The two effect types differ in their timing. Component effects run as a component lifecycle\n * event during Angular's synchronization (change detection) process, and can safely read input\n * signals or create/destroy views that depend on component state. Root effects run as microtasks\n * and have no connection to the component tree or change detection.\n *\n * `effect()` must be run in injection context, unless the `injector` option is manually specified.\n *\n * @see [Effects](guide/signals#effects)\n *\n * @publicApi 20.0\n */\nexport function effect(\n  effectFn: (onCleanup: EffectCleanupRegisterFn) => void,\n  options?: CreateEffectOptions,\n): EffectRef {\n  ngDevMode &&\n    assertNotInReactiveContext(\n      effect,\n      'Call `effect` outside of a reactive context. For example, schedule the ' +\n        'effect inside the component constructor.',\n    );\n\n  if (ngDevMode && !options?.injector) {\n    assertInInjectionContext(effect);\n  }\n\n  if (ngDevMode && options?.allowSignalWrites !== undefined) {\n    console.warn(\n      `The 'allowSignalWrites' flag is deprecated and no longer impacts effect() (writes are always allowed)`,\n    );\n  }\n\n  const injector = options?.injector ?? inject(Injector);\n  let destroyRef = options?.manualCleanup !== true ? injector.get(DestroyRef) : null;\n\n  let node: EffectNode;\n\n  const viewContext = injector.get(ViewContext, null, {optional: true});\n  const notifier = injector.get(ChangeDetectionScheduler);\n  if (viewContext !== null) {\n    // This effect was created in the context of a view, and will be associated with the view.\n    node = createViewEffect(viewContext.view, notifier, effectFn);\n    if (destroyRef instanceof NodeInjectorDestroyRef && destroyRef._lView === viewContext.view) {\n      // The effect is being created in the same view as the `DestroyRef` references, so it will be\n      // automatically destroyed without the need for an explicit `DestroyRef` registration.\n      destroyRef = null;\n    }\n  } else {\n    // This effect was created outside the context of a view, and will be scheduled independently.\n    node = createRootEffect(effectFn, injector.get(EffectScheduler), notifier);\n  }\n  node.injector = injector;\n\n  if (destroyRef !== null) {\n    // If we need to register for cleanup, do that here.\n    node.onDestroyFn = destroyRef.onDestroy(() => node.destroy());\n  }\n\n  const effectRef = new EffectRefImpl(node);\n\n  if (ngDevMode) {\n    node.debugName = options?.debugName ?? '';\n    const prevInjectorProfilerContext = setInjectorProfilerContext({injector, token: null});\n    try {\n      emitEffectCreatedEvent(effectRef);\n    } finally {\n      setInjectorProfilerContext(prevInjectorProfilerContext);\n    }\n  }\n\n  return effectRef;\n}\n\nexport interface EffectNode extends BaseEffectNode, SchedulableEffect {\n  cleanupFns: EffectCleanupFn[] | undefined;\n  injector: Injector;\n  notifier: ChangeDetectionScheduler;\n\n  onDestroyFn: () => void;\n}\n\nexport interface ViewEffectNode extends EffectNode {\n  view: LView;\n}\n\nexport interface RootEffectNode extends EffectNode {\n  scheduler: EffectScheduler;\n}\n\nexport const EFFECT_NODE: Omit<EffectNode, 'fn' | 'destroy' | 'injector' | 'notifier'> =\n  /* @__PURE__ */ (() => ({\n    ...BASE_EFFECT_NODE,\n    cleanupFns: undefined,\n    zone: null,\n    onDestroyFn: noop,\n    run(this: EffectNode): void {\n      if (ngDevMode && isInNotificationPhase()) {\n        throw new Error(`Schedulers cannot synchronously execute watches while scheduling.`);\n      }\n      // We clear `setIsRefreshingViews` so that `markForCheck()` within the body of an effect will\n      // cause CD to reach the component in question.\n      const prevRefreshingViews = setIsRefreshingViews(false);\n      try {\n        runEffect(this);\n      } finally {\n        setIsRefreshingViews(prevRefreshingViews);\n      }\n    },\n\n    cleanup(this: EffectNode): void {\n      if (!this.cleanupFns?.length) {\n        return;\n      }\n      const prevConsumer = setActiveConsumer(null);\n      try {\n        // Attempt to run the cleanup functions. Regardless of failure or success, we consider\n        // cleanup \"completed\" and clear the list for the next run of the effect. Note that an error\n        // from the cleanup function will still crash the current run of the effect.\n        while (this.cleanupFns.length) {\n          this.cleanupFns.pop()!();\n        }\n      } finally {\n        this.cleanupFns = [];\n        setActiveConsumer(prevConsumer);\n      }\n    },\n  }))();\n\nexport const ROOT_EFFECT_NODE: Omit<RootEffectNode, 'fn' | 'scheduler' | 'notifier' | 'injector'> =\n  /* @__PURE__ */ (() => ({\n    ...EFFECT_NODE,\n    consumerMarkedDirty(this: RootEffectNode) {\n      this.scheduler.schedule(this);\n      this.notifier.notify(NotificationSource.RootEffect);\n    },\n    destroy(this: RootEffectNode) {\n      consumerDestroy(this);\n      this.onDestroyFn();\n      this.cleanup();\n      this.scheduler.remove(this);\n    },\n  }))();\n\nexport const VIEW_EFFECT_NODE: Omit<ViewEffectNode, 'fn' | 'view' | 'injector' | 'notifier'> =\n  /* @__PURE__ */ (() => ({\n    ...EFFECT_NODE,\n    consumerMarkedDirty(this: ViewEffectNode): void {\n      this.view[FLAGS] |= LViewFlags.HasChildViewsToRefresh;\n      markAncestorsForTraversal(this.view);\n      this.notifier.notify(NotificationSource.ViewEffect);\n    },\n    destroy(this: ViewEffectNode): void {\n      consumerDestroy(this);\n      this.onDestroyFn();\n      this.cleanup();\n      this.view[EFFECTS]?.delete(this);\n    },\n  }))();\n\nexport function createViewEffect(\n  view: LView,\n  notifier: ChangeDetectionScheduler,\n  fn: (onCleanup: EffectCleanupRegisterFn) => void,\n): ViewEffectNode {\n  const node = Object.create(VIEW_EFFECT_NODE) as ViewEffectNode;\n  node.view = view;\n  node.zone = typeof Zone !== 'undefined' ? Zone.current : null;\n  node.notifier = notifier;\n  node.fn = createEffectFn(node, fn);\n\n  view[EFFECTS] ??= new Set();\n  view[EFFECTS].add(node);\n\n  node.consumerMarkedDirty(node);\n  return node;\n}\n\nexport function createRootEffect(\n  fn: (onCleanup: EffectCleanupRegisterFn) => void,\n  scheduler: EffectScheduler,\n  notifier: ChangeDetectionScheduler,\n): RootEffectNode {\n  const node = Object.create(ROOT_EFFECT_NODE) as RootEffectNode;\n  node.fn = createEffectFn(node, fn);\n  node.scheduler = scheduler;\n  node.notifier = notifier;\n  node.zone = typeof Zone !== 'undefined' ? Zone.current : null;\n  node.scheduler.add(node);\n  node.notifier.notify(NotificationSource.RootEffect);\n  return node;\n}\n\nfunction createEffectFn(node: EffectNode, fn: (onCleanup: EffectCleanupRegisterFn) => void) {\n  return () => {\n    fn((cleanupFn) => (node.cleanupFns ??= []).push(cleanupFn));\n  };\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  ComputationFn,\n  createLinkedSignal,\n  LinkedSignalGetter,\n  LinkedSignalNode,\n  linkedSignalSetFn,\n  linkedSignalUpdateFn,\n  SIGNAL,\n} from '../../../primitives/signals';\nimport {Signal, ValueEqualityFn} from './api';\nimport {signalAsReadonlyFn, WritableSignal} from './signal';\n\nconst identityFn = <T>(v: T) => v;\n\n/**\n * Creates a writable signal whose value is initialized and reset by the linked, reactive computation.\n *\n * @publicApi 20.0\n */\nexport function linkedSignal<D>(\n  computation: () => D,\n  options?: {equal?: ValueEqualityFn<NoInfer<D>>; debugName?: string},\n): WritableSignal<D>;\n\n/**\n * Creates a writable signal whose value is initialized and reset by the linked, reactive computation.\n * This is an advanced API form where the computation has access to the previous value of the signal and the computation result.\n *\n * Note: The computation is reactive, meaning the linked signal will automatically update whenever any of the signals used within the computation change.\n *\n * @publicApi 20.0\n * @see [Dependent state with linkedSignal](guide/signals/linked-signal)\n */\nexport function linkedSignal<S, D>(options: {\n  source: () => S;\n  computation: (source: NoInfer<S>, previous?: {source: NoInfer<S>; value: NoInfer<D>}) => D;\n  equal?: ValueEqualityFn<NoInfer<D>>;\n  debugName?: string;\n}): WritableSignal<D>;\n\nexport function linkedSignal<S, D>(\n  optionsOrComputation:\n    | {\n        source: () => S;\n        computation: ComputationFn<S, D>;\n        equal?: ValueEqualityFn<D>;\n        debugName?: string;\n      }\n    | (() => D),\n  options?: {equal?: ValueEqualityFn<D>; debugName?: string},\n): WritableSignal<D> {\n  if (typeof optionsOrComputation === 'function') {\n    const getter = createLinkedSignal<D, D>(\n      optionsOrComputation,\n      identityFn<D>,\n      options?.equal,\n    ) as LinkedSignalGetter<D, D> & WritableSignal<D>;\n    return upgradeLinkedSignalGetter(getter, options?.debugName);\n  } else {\n    const getter = createLinkedSignal<S, D>(\n      optionsOrComputation.source,\n      optionsOrComputation.computation,\n      optionsOrComputation.equal,\n    );\n    return upgradeLinkedSignalGetter(getter, optionsOrComputation.debugName);\n  }\n}\n\nfunction upgradeLinkedSignalGetter<S, D>(\n  getter: LinkedSignalGetter<S, D>,\n  debugName?: string,\n): WritableSignal<D> {\n  if (ngDevMode) {\n    getter.toString = () => `[LinkedSignal: ${getter()}]`;\n    getter[SIGNAL].debugName = debugName;\n  }\n\n  const node = getter[SIGNAL] as LinkedSignalNode<S, D>;\n  const upgradedGetter = getter as LinkedSignalGetter<S, D> & WritableSignal<D>;\n\n  upgradedGetter.set = (newValue: D) => linkedSignalSetFn(node, newValue);\n  upgradedGetter.update = (updateFn: (value: D) => D) => linkedSignalUpdateFn(node, updateFn);\n  upgradedGetter.asReadonly = signalAsReadonlyFn.bind(getter as any) as () => Signal<D>;\n\n  return upgradedGetter;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {untracked} from '../render3/reactivity/untracked';\nimport {computed} from '../render3/reactivity/computed';\nimport {signal, signalAsReadonlyFn, WritableSignal} from '../render3/reactivity/signal';\nimport {Signal, ValueEqualityFn} from '../render3/reactivity/api';\nimport {effect, EffectRef} from '../render3/reactivity/effect';\nimport {\n  ResourceOptions,\n  ResourceStatus,\n  WritableResource,\n  Resource,\n  ResourceRef,\n  ResourceStreamingLoader,\n  StreamingResourceOptions,\n  ResourceStreamItem,\n  ResourceLoaderParams,\n} from './api';\n\nimport {Injector} from '../di/injector';\nimport {assertInInjectionContext} from '../di/contextual';\nimport {inject} from '../di/injector_compatibility';\nimport {PendingTasks} from '../pending_tasks';\nimport {linkedSignal} from '../render3/reactivity/linked_signal';\nimport {DestroyRef} from '../linker/destroy_ref';\n\n/**\n * Constructs a `Resource` that projects a reactive request to an asynchronous operation defined by\n * a loader function, which exposes the result of the loading operation via signals.\n *\n * Note that `resource` is intended for _read_ operations, not operations which perform mutations.\n * `resource` will cancel in-progress loads via the `AbortSignal` when destroyed or when a new\n * request object becomes available, which could prematurely abort mutations.\n *\n * @see [Async reactivity with resources](guide/signals/resource)\n *\n * @experimental 19.0\n */\nexport function resource<T, R>(\n  options: ResourceOptions<T, R> & {defaultValue: NoInfer<T>},\n): ResourceRef<T>;\n\n/**\n * Constructs a `Resource` that projects a reactive request to an asynchronous operation defined by\n * a loader function, which exposes the result of the loading operation via signals.\n *\n * Note that `resource` is intended for _read_ operations, not operations which perform mutations.\n * `resource` will cancel in-progress loads via the `AbortSignal` when destroyed or when a new\n * request object becomes available, which could prematurely abort mutations.\n *\n * @experimental 19.0\n * @see [Async reactivity with resources](guide/signals/resource)\n */\nexport function resource<T, R>(options: ResourceOptions<T, R>): ResourceRef<T | undefined>;\nexport function resource<T, R>(options: ResourceOptions<T, R>): ResourceRef<T | undefined> {\n  if (ngDevMode && !options?.injector) {\n    assertInInjectionContext(resource);\n  }\n\n  const oldNameForParams = (\n    options as ResourceOptions<T, R> & {request: ResourceOptions<T, R>['params']}\n  ).request;\n  const params = (options.params ?? oldNameForParams ?? (() => null)) as () => R;\n  return new ResourceImpl<T | undefined, R>(\n    params,\n    getLoader(options),\n    options.defaultValue,\n    options.equal ? wrapEqualityFn(options.equal) : undefined,\n    options.injector ?? inject(Injector),\n  );\n}\n\ntype ResourceInternalStatus = 'idle' | 'loading' | 'resolved' | 'local';\n\n/**\n * Internal state of a resource.\n */\ninterface ResourceProtoState<T> {\n  extRequest: WrappedRequest;\n\n  // For simplicity, status is internally tracked as a subset of the public status enum.\n  // Reloading and Error statuses are projected from Loading and Resolved based on other state.\n  status: ResourceInternalStatus;\n}\n\ninterface ResourceState<T> extends ResourceProtoState<T> {\n  previousStatus: ResourceStatus;\n  stream: Signal<ResourceStreamItem<T>> | undefined;\n}\n\ntype WrappedRequest = {request: unknown; reload: number};\n\n/**\n * Base class which implements `.value` as a `WritableSignal` by delegating `.set` and `.update`.\n */\nabstract class BaseWritableResource<T> implements WritableResource<T> {\n  readonly value: WritableSignal<T>;\n  abstract readonly status: Signal<ResourceStatus>;\n  abstract readonly error: Signal<Error | undefined>;\n\n  abstract reload(): boolean;\n\n  constructor(value: Signal<T>) {\n    this.value = value as WritableSignal<T>;\n    this.value.set = this.set.bind(this);\n    this.value.update = this.update.bind(this);\n    this.value.asReadonly = signalAsReadonlyFn;\n  }\n\n  abstract set(value: T): void;\n\n  private readonly isError = computed(() => this.status() === 'error');\n\n  update(updateFn: (value: T) => T): void {\n    this.set(updateFn(untracked(this.value)));\n  }\n\n  readonly isLoading = computed(() => this.status() === 'loading' || this.status() === 'reloading');\n\n  // Use a computed here to avoid triggering reactive consumers if the value changes while staying\n  // either defined or undefined.\n  private readonly isValueDefined = computed(() => {\n    // Check if it's in an error state first to prevent the error from bubbling up.\n    if (this.isError()) {\n      return false;\n    }\n\n    return this.value() !== undefined;\n  });\n\n  hasValue(): this is ResourceRef<Exclude<T, undefined>> {\n    return this.isValueDefined();\n  }\n\n  asReadonly(): Resource<T> {\n    return this;\n  }\n}\n\n/**\n * Implementation for `resource()` which uses a `linkedSignal` to manage the resource's state.\n */\nexport class ResourceImpl<T, R> extends BaseWritableResource<T> implements ResourceRef<T> {\n  private readonly pendingTasks: PendingTasks;\n\n  /**\n   * The current state of the resource. Status, value, and error are derived from this.\n   */\n  private readonly state: WritableSignal<ResourceState<T>>;\n\n  /**\n   * Combines the current request with a reload counter which allows the resource to be reloaded on\n   * imperative command.\n   */\n  protected readonly extRequest: WritableSignal<WrappedRequest>;\n  private readonly effectRef: EffectRef;\n\n  private pendingController: AbortController | undefined;\n  private resolvePendingTask: (() => void) | undefined = undefined;\n  private destroyed = false;\n  private unregisterOnDestroy: () => void;\n\n  constructor(\n    request: () => R,\n    private readonly loaderFn: ResourceStreamingLoader<T, R>,\n    defaultValue: T,\n    private readonly equal: ValueEqualityFn<T> | undefined,\n    injector: Injector,\n  ) {\n    super(\n      // Feed a computed signal for the value to `BaseWritableResource`, which will upgrade it to a\n      // `WritableSignal` that delegates to `ResourceImpl.set`.\n      computed(\n        () => {\n          const streamValue = this.state().stream?.();\n\n          if (!streamValue) {\n            return defaultValue;\n          }\n\n          // Prevents `hasValue()` from throwing an error when a reload happened in the error state\n          if (this.state().status === 'loading' && this.error()) {\n            return defaultValue;\n          }\n\n          if (!isResolved(streamValue)) {\n            throw new ResourceValueError(this.error()!);\n          }\n\n          return streamValue.value;\n        },\n        {equal},\n      ),\n    );\n\n    // Extend `request()` to include a writable reload signal.\n    this.extRequest = linkedSignal({\n      source: request,\n      computation: (request) => ({request, reload: 0}),\n    });\n\n    // The main resource state is managed in a `linkedSignal`, which allows the resource to change\n    // state instantaneously when the request signal changes.\n    this.state = linkedSignal<WrappedRequest, ResourceState<T>>({\n      // Whenever the request changes,\n      source: this.extRequest,\n      // Compute the state of the resource given a change in status.\n      computation: (extRequest, previous) => {\n        const status = extRequest.request === undefined ? 'idle' : 'loading';\n        if (!previous) {\n          return {\n            extRequest,\n            status,\n            previousStatus: 'idle',\n            stream: undefined,\n          };\n        } else {\n          return {\n            extRequest,\n            status,\n            previousStatus: projectStatusOfState(previous.value),\n            // If the request hasn't changed, keep the previous stream.\n            stream:\n              previous.value.extRequest.request === extRequest.request\n                ? previous.value.stream\n                : undefined,\n          };\n        }\n      },\n    });\n\n    this.effectRef = effect(this.loadEffect.bind(this), {\n      injector,\n      manualCleanup: true,\n    });\n\n    this.pendingTasks = injector.get(PendingTasks);\n\n    // Cancel any pending request when the resource itself is destroyed.\n    this.unregisterOnDestroy = injector.get(DestroyRef).onDestroy(() => this.destroy());\n  }\n\n  override readonly status = computed(() => projectStatusOfState(this.state()));\n\n  override readonly error = computed(() => {\n    const stream = this.state().stream?.();\n    return stream && !isResolved(stream) ? stream.error : undefined;\n  });\n\n  /**\n   * Called either directly via `WritableResource.set` or via `.value.set()`.\n   */\n  override set(value: T): void {\n    if (this.destroyed) {\n      return;\n    }\n\n    const error = untracked(this.error);\n    const state = untracked(this.state);\n\n    if (!error) {\n      const current = untracked(this.value);\n      if (\n        state.status === 'local' &&\n        (this.equal ? this.equal(current, value) : current === value)\n      ) {\n        return;\n      }\n    }\n\n    // Enter Local state with the user-defined value.\n    this.state.set({\n      extRequest: state.extRequest,\n      status: 'local',\n      previousStatus: 'local',\n      stream: signal({value}),\n    });\n\n    // We're departing from whatever state the resource was in previously, so cancel any in-progress\n    // loading operations.\n    this.abortInProgressLoad();\n  }\n\n  override reload(): boolean {\n    // We don't want to restart in-progress loads.\n    const {status} = untracked(this.state);\n    if (status === 'idle' || status === 'loading') {\n      return false;\n    }\n\n    // Increment the request reload to trigger the `state` linked signal to switch us to `Reload`\n    this.extRequest.update(({request, reload}) => ({request, reload: reload + 1}));\n    return true;\n  }\n\n  destroy(): void {\n    this.destroyed = true;\n    this.unregisterOnDestroy();\n    this.effectRef.destroy();\n    this.abortInProgressLoad();\n\n    // Destroyed resources enter Idle state.\n    this.state.set({\n      extRequest: {request: undefined, reload: 0},\n      status: 'idle',\n      previousStatus: 'idle',\n      stream: undefined,\n    });\n  }\n\n  private async loadEffect(): Promise<void> {\n    const extRequest = this.extRequest();\n\n    // Capture the previous status before any state transitions. Note that this is `untracked` since\n    // we do not want the effect to depend on the state of the resource, only on the request.\n    const {status: currentStatus, previousStatus} = untracked(this.state);\n\n    if (extRequest.request === undefined) {\n      // Nothing to load (and we should already be in a non-loading state).\n      return;\n    } else if (currentStatus !== 'loading') {\n      // We're not in a loading or reloading state, so this loading request is stale.\n      return;\n    }\n\n    // Cancel any previous loading attempts.\n    this.abortInProgressLoad();\n\n    // Capturing _this_ load's pending task in a local variable is important here. We may attempt to\n    // resolve it twice:\n    //\n    //  1. when the loading function promise resolves/rejects\n    //  2. when cancelling the loading operation\n    //\n    // After the loading operation is cancelled, `this.resolvePendingTask` no longer represents this\n    // particular task, but this `await` may eventually resolve/reject. Thus, when we cancel in\n    // response to (1) below, we need to cancel the locally saved task.\n    let resolvePendingTask: (() => void) | undefined = (this.resolvePendingTask =\n      this.pendingTasks.add());\n\n    const {signal: abortSignal} = (this.pendingController = new AbortController());\n\n    try {\n      // The actual loading is run through `untracked` - only the request side of `resource` is\n      // reactive. This avoids any confusion with signals tracking or not tracking depending on\n      // which side of the `await` they are.\n      const stream = await untracked(() => {\n        return this.loaderFn({\n          params: extRequest.request as Exclude<R, undefined>,\n          // TODO(alxhub): cleanup after g3 removal of `request` alias.\n          request: extRequest.request as Exclude<R, undefined>,\n          abortSignal,\n          previous: {\n            status: previousStatus,\n          },\n        } as ResourceLoaderParams<R>);\n      });\n\n      // If this request has been aborted, or the current request no longer\n      // matches this load, then we should ignore this resolution.\n      if (abortSignal.aborted || untracked(this.extRequest) !== extRequest) {\n        return;\n      }\n\n      this.state.set({\n        extRequest,\n        status: 'resolved',\n        previousStatus: 'resolved',\n        stream,\n      });\n    } catch (err) {\n      if (abortSignal.aborted || untracked(this.extRequest) !== extRequest) {\n        return;\n      }\n\n      this.state.set({\n        extRequest,\n        status: 'resolved',\n        previousStatus: 'error',\n        stream: signal({error: encapsulateResourceError(err)}),\n      });\n    } finally {\n      // Resolve the pending task now that the resource has a value.\n      resolvePendingTask?.();\n      resolvePendingTask = undefined;\n    }\n  }\n\n  private abortInProgressLoad(): void {\n    untracked(() => this.pendingController?.abort());\n    this.pendingController = undefined;\n\n    // Once the load is aborted, we no longer want to block stability on its resolution.\n    this.resolvePendingTask?.();\n    this.resolvePendingTask = undefined;\n  }\n}\n\n/**\n * Wraps an equality function to handle either value being `undefined`.\n */\nfunction wrapEqualityFn<T>(equal: ValueEqualityFn<T>): ValueEqualityFn<T | undefined> {\n  return (a, b) => (a === undefined || b === undefined ? a === b : equal(a, b));\n}\n\nfunction getLoader<T, R>(options: ResourceOptions<T, R>): ResourceStreamingLoader<T, R> {\n  if (isStreamingResourceOptions(options)) {\n    return options.stream;\n  }\n\n  return async (params) => {\n    try {\n      return signal({value: await options.loader(params)});\n    } catch (err) {\n      return signal({error: encapsulateResourceError(err)});\n    }\n  };\n}\n\nfunction isStreamingResourceOptions<T, R>(\n  options: ResourceOptions<T, R>,\n): options is StreamingResourceOptions<T, R> {\n  return !!(options as StreamingResourceOptions<T, R>).stream;\n}\n\n/**\n * Project from a state with `ResourceInternalStatus` to the user-facing `ResourceStatus`\n */\nfunction projectStatusOfState(state: ResourceState<unknown>): ResourceStatus {\n  switch (state.status) {\n    case 'loading':\n      return state.extRequest.reload === 0 ? 'loading' : 'reloading';\n    case 'resolved':\n      return isResolved(state.stream!()) ? 'resolved' : 'error';\n    default:\n      return state.status;\n  }\n}\n\nfunction isResolved<T>(state: ResourceStreamItem<T>): state is {value: T} {\n  return (state as {error: unknown}).error === undefined;\n}\n\nexport function encapsulateResourceError(error: unknown): Error {\n  if (error instanceof Error) {\n    return error;\n  }\n\n  return new ResourceWrappedError(error);\n}\n\nclass ResourceValueError extends Error {\n  constructor(error: Error) {\n    super(\n      ngDevMode\n        ? `Resource is currently in an error state (see Error.cause for details): ${error.message}`\n        : error.message,\n      {cause: error},\n    );\n  }\n}\n\nclass ResourceWrappedError extends Error {\n  constructor(error: unknown) {\n    super(\n      ngDevMode\n        ? `Resource returned an error that's not an Error instance: ${String(error)}. Check this error's .cause for the actual error.`\n        : String(error),\n      {cause: error},\n    );\n  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fesm2022/rxjs-interop.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/rxjs-interop.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"rxjs-interop.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/rxjs-interop/src/take_until_destroyed.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/rxjs-interop/src/output_from_observable.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/rxjs-interop/src/output_to_observable.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/rxjs-interop/src/to_observable.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/rxjs-interop/src/to_signal.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/rxjs-interop/src/pending_until_event.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/rxjs-interop/src/rx_resource.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {assertInInjectionContext, DestroyRef, inject} from '../../src/core';\nimport {MonoTypeOperatorFunction, Observable} from 'rxjs';\nimport {takeUntil} from 'rxjs/operators';\n\n/**\n * Operator which completes the Observable when the calling context (component, directive, service,\n * etc) is destroyed.\n *\n * @param destroyRef optionally, the `DestroyRef` representing the current context. This can be\n *     passed explicitly to use `takeUntilDestroyed` outside of an [injection\n * context](guide/di/dependency-injection-context). Otherwise, the current `DestroyRef` is injected.\n *\n * @see [Unsubscribing with takeUntilDestroyed](ecosystem/rxjs-interop/take-until-destroyed)\n *\n * @publicApi 19.0\n */\nexport function takeUntilDestroyed<T>(destroyRef?: DestroyRef): MonoTypeOperatorFunction<T> {\n  if (!destroyRef) {\n    ngDevMode && assertInInjectionContext(takeUntilDestroyed);\n    destroyRef = inject(DestroyRef);\n  }\n\n  const destroyed$ = new Observable<void>((subscriber) => {\n    if (destroyRef.destroyed) {\n      subscriber.next();\n      return;\n    }\n    const unregisterFn = destroyRef.onDestroy(subscriber.next.bind(subscriber));\n    return unregisterFn;\n  });\n\n  return <T>(source: Observable<T>) => {\n    return source.pipe(takeUntil(destroyed$));\n  };\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  assertInInjectionContext,\n  DestroyRef,\n  inject,\n  OutputOptions,\n  OutputRef,\n  OutputRefSubscription,\n  ɵRuntimeError,\n  ɵRuntimeErrorCode,\n} from '../../src/core';\nimport {Observable} from 'rxjs';\n\nimport {takeUntilDestroyed} from './take_until_destroyed';\n\n/**\n * Implementation of `OutputRef` that emits values from\n * an RxJS observable source.\n *\n * @internal\n */\nclass OutputFromObservableRef<T> implements OutputRef<T> {\n  private destroyed = false;\n\n  destroyRef = inject(DestroyRef);\n\n  constructor(private source: Observable<T>) {\n    this.destroyRef.onDestroy(() => {\n      this.destroyed = true;\n    });\n  }\n\n  subscribe(callbackFn: (value: T) => void): OutputRefSubscription {\n    if (this.destroyed) {\n      throw new ɵRuntimeError(\n        ɵRuntimeErrorCode.OUTPUT_REF_DESTROYED,\n        ngDevMode &&\n          'Unexpected subscription to destroyed `OutputRef`. ' +\n            'The owning directive/component is destroyed.',\n      );\n    }\n\n    // Stop yielding more values when the directive/component is already destroyed.\n    const subscription = this.source.pipe(takeUntilDestroyed(this.destroyRef)).subscribe({\n      next: (value) => callbackFn(value),\n    });\n\n    return {\n      unsubscribe: () => subscription.unsubscribe(),\n    };\n  }\n}\n\n/**\n * Declares an Angular output that is using an RxJS observable as a source\n * for events dispatched to parent subscribers.\n *\n * The behavior for an observable as source is defined as followed:\n *    1. New values are forwarded to the Angular output (next notifications).\n *    2. Errors notifications are not handled by Angular. You need to handle these manually.\n *       For example by using `catchError`.\n *    3. Completion notifications stop the output from emitting new values.\n *\n * @usageNotes\n * Initialize an output in your directive by declaring a\n * class field and initializing it with the `outputFromObservable()` function.\n *\n * ```ts\n * @Directive({..})\n * export class MyDir {\n *   nameChange$ = <some-observable>;\n *   nameChange = outputFromObservable(this.nameChange$);\n * }\n * ```\n * @see [RxJS interop with component and directive outputs](ecosystem/rxjs-interop/output-interop)\n *\n * @publicApi 19.0\n */\nexport function outputFromObservable<T>(\n  observable: Observable<T>,\n  opts?: OutputOptions,\n): OutputRef<T> {\n  ngDevMode && assertInInjectionContext(outputFromObservable);\n  return new OutputFromObservableRef<T>(observable);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {OutputRef, ɵgetOutputDestroyRef} from '../../src/core';\nimport {Observable} from 'rxjs';\n\n/**\n * Converts an Angular output declared via `output()` or `outputFromObservable()`\n * to an observable.\n * It creates an observable that represents the stream of \"events firing\" in an output.\n *\n * You can subscribe to the output via `Observable.subscribe` then.\n *\n * @see [RxJS interop with component and directive outputs](ecosystem/rxjs-interop/output-interop)\n *\n * @publicApi 19.0\n */\nexport function outputToObservable<T>(ref: OutputRef<T>): Observable<T> {\n  const destroyRef = ɵgetOutputDestroyRef(ref);\n\n  return new Observable<T>((observer) => {\n    // Complete the observable upon directive/component destroy.\n    // Note: May be `undefined` if an `EventEmitter` is declared outside\n    // of an injection context.\n    const unregisterOnDestroy = destroyRef?.onDestroy(() => observer.complete());\n\n    const subscription = ref.subscribe((v) => observer.next(v));\n    return () => {\n      subscription.unsubscribe();\n      unregisterOnDestroy?.();\n    };\n  });\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  assertInInjectionContext,\n  DestroyRef,\n  effect,\n  inject,\n  Injector,\n  Signal,\n  untracked,\n} from '../../src/core';\nimport {Observable, ReplaySubject} from 'rxjs';\n\n/**\n * Options for `toObservable`.\n *\n * @publicApi 20.0\n */\nexport interface ToObservableOptions {\n  /**\n   * The `Injector` to use when creating the underlying `effect` which watches the signal.\n   *\n   * If this isn't specified, the current [injection context](guide/di/dependency-injection-context)\n   * will be used.\n   */\n  injector?: Injector;\n}\n\n/**\n * Exposes the value of an Angular `Signal` as an RxJS `Observable`.\n * As it reflects a state, the observable will always emit the latest value upon subscription.\n *\n * The signal's value will be propagated into the `Observable`'s subscribers using an `effect`.\n *\n * `toObservable` must be called in an injection context unless an injector is provided via options.\n *\n * @see [RxJS interop with Angular signals](ecosystem/rxjs-interop)\n * @see [Create an RxJS Observable from a signal with toObservable](ecosystem/rxjs-interop#create-an-rxjs-observable-from-a-signal-with-toobservable)\n *\n * @publicApi 20.0\n */\nexport function toObservable<T>(source: Signal<T>, options?: ToObservableOptions): Observable<T> {\n  if (ngDevMode && !options?.injector) {\n    assertInInjectionContext(toObservable);\n  }\n  const injector = options?.injector ?? inject(Injector);\n  const subject = new ReplaySubject<T>(1);\n\n  const watcher = effect(\n    () => {\n      let value: T;\n      try {\n        value = source();\n      } catch (err) {\n        untracked(() => subject.error(err));\n        return;\n      }\n      untracked(() => subject.next(value));\n    },\n    {injector, manualCleanup: true},\n  );\n\n  injector.get(DestroyRef).onDestroy(() => {\n    watcher.destroy();\n    subject.complete();\n  });\n\n  return subject.asObservable();\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  assertInInjectionContext,\n  assertNotInReactiveContext,\n  computed,\n  DestroyRef,\n  inject,\n  Injector,\n  signal,\n  Signal,\n  WritableSignal,\n  ɵRuntimeError,\n  ɵRuntimeErrorCode,\n} from '../../src/core';\nimport {ValueEqualityFn} from '../../primitives/signals';\nimport {Observable, Subscribable} from 'rxjs';\n\n/**\n * Options for `toSignal`.\n *\n * @publicApi 20.0\n */\nexport interface ToSignalOptions<T> {\n  /**\n   * Initial value for the signal produced by `toSignal`.\n   *\n   * This will be the value of the signal until the observable emits its first value.\n   */\n  initialValue?: unknown;\n\n  /**\n   * Whether to require that the observable emits synchronously when `toSignal` subscribes.\n   *\n   * If this is `true`, `toSignal` will assert that the observable produces a value immediately upon\n   * subscription. Setting this option removes the need to either deal with `undefined` in the\n   * signal type or provide an `initialValue`, at the cost of a runtime error if this requirement is\n   * not met.\n   */\n  requireSync?: boolean;\n\n  /**\n   * `Injector` which will provide the `DestroyRef` used to clean up the Observable subscription.\n   *\n   * If this is not provided, a `DestroyRef` will be retrieved from the current [injection\n   * context](guide/di/dependency-injection-context), unless manual cleanup is requested.\n   */\n  injector?: Injector;\n\n  /**\n   * Whether the subscription should be automatically cleaned up (via `DestroyRef`) when\n   * `toSignal`'s creation context is destroyed.\n   *\n   * If manual cleanup is enabled, then `DestroyRef` is not used, and the subscription will persist\n   * until the `Observable` itself completes.\n   */\n  manualCleanup?: boolean;\n\n  /**\n   * A comparison function which defines equality for values emitted by the observable.\n   *\n   * Equality comparisons are executed against the initial value if one is provided.\n   */\n  equal?: ValueEqualityFn<T>;\n}\n\n// Base case: no options -> `undefined` in the result type.\nexport function toSignal<T>(source: Observable<T> | Subscribable<T>): Signal<T | undefined>;\n// Options with `undefined` initial value and no `requiredSync` -> `undefined`.\nexport function toSignal<T>(\n  source: Observable<T> | Subscribable<T>,\n  options: NoInfer<ToSignalOptions<T | undefined>> & {\n    initialValue?: undefined;\n    requireSync?: false;\n  },\n): Signal<T | undefined>;\n// Options with `null` initial value -> `null`.\nexport function toSignal<T>(\n  source: Observable<T> | Subscribable<T>,\n  options: NoInfer<ToSignalOptions<T | null>> & {initialValue?: null; requireSync?: false},\n): Signal<T | null>;\n// Options with `undefined` initial value and `requiredSync` -> strict result type.\nexport function toSignal<T>(\n  source: Observable<T> | Subscribable<T>,\n  options: NoInfer<ToSignalOptions<T>> & {initialValue?: undefined; requireSync: true},\n): Signal<T>;\n// Options with a more specific initial value type.\nexport function toSignal<T, const U extends T>(\n  source: Observable<T> | Subscribable<T>,\n  options: NoInfer<ToSignalOptions<T | U>> & {initialValue: U; requireSync?: false},\n): Signal<T | U>;\n\n/**\n * Get the current value of an `Observable` as a reactive `Signal`.\n *\n * `toSignal` returns a `Signal` which provides synchronous reactive access to values produced\n * by the given `Observable`, by subscribing to that `Observable`. The returned `Signal` will always\n * have the most recent value emitted by the subscription, and will throw an error if the\n * `Observable` errors.\n *\n * With `requireSync` set to `true`, `toSignal` will assert that the `Observable` produces a value\n * immediately upon subscription. No `initialValue` is needed in this case, and the returned signal\n * does not include an `undefined` type.\n *\n * By default, the subscription will be automatically cleaned up when the current [injection\n * context](guide/di/dependency-injection-context) is destroyed. For example, when `toSignal` is\n * called during the construction of a component, the subscription will be cleaned up when the\n * component is destroyed. If an injection context is not available, an explicit `Injector` can be\n * passed instead.\n *\n * If the subscription should persist until the `Observable` itself completes, the `manualCleanup`\n * option can be specified instead, which disables the automatic subscription teardown. No injection\n * context is needed in this configuration as well.\n *\n * @see [RxJS interop with Angular signals](ecosystem/rxjs-interop)\n */\nexport function toSignal<T, U = undefined>(\n  source: Observable<T> | Subscribable<T>,\n  options?: ToSignalOptions<T | U> & {initialValue?: U},\n): Signal<T | U> {\n  typeof ngDevMode !== 'undefined' &&\n    ngDevMode &&\n    assertNotInReactiveContext(\n      toSignal,\n      'Invoking `toSignal` causes new subscriptions every time. ' +\n        'Consider moving `toSignal` outside of the reactive context and read the signal value where needed.',\n    );\n\n  const requiresCleanup = !options?.manualCleanup;\n\n  if (ngDevMode && requiresCleanup && !options?.injector) {\n    assertInInjectionContext(toSignal);\n  }\n\n  const cleanupRef = requiresCleanup\n    ? (options?.injector?.get(DestroyRef) ?? inject(DestroyRef))\n    : null;\n\n  const equal = makeToSignalEqual(options?.equal);\n\n  // Note: T is the Observable value type, and U is the initial value type. They don't have to be\n  // the same - the returned signal gives values of type `T`.\n  let state: WritableSignal<State<T | U>>;\n  if (options?.requireSync) {\n    // Initially the signal is in a `NoValue` state.\n    state = signal({kind: StateKind.NoValue}, {equal});\n  } else {\n    // If an initial value was passed, use it. Otherwise, use `undefined` as the initial value.\n    state = signal<State<T | U>>(\n      {kind: StateKind.Value, value: options?.initialValue as U},\n      {equal},\n    );\n  }\n\n  let destroyUnregisterFn: (() => void) | undefined;\n\n  // Note: This code cannot run inside a reactive context (see assertion above). If we'd support\n  // this, we would subscribe to the observable outside of the current reactive context, avoiding\n  // that side-effect signal reads/writes are attribute to the current consumer. The current\n  // consumer only needs to be notified when the `state` signal changes through the observable\n  // subscription. Additional context (related to async pipe):\n  // https://github.com/angular/angular/pull/50522.\n  const sub = source.subscribe({\n    next: (value) => state.set({kind: StateKind.Value, value}),\n    error: (error) => {\n      state.set({kind: StateKind.Error, error});\n      destroyUnregisterFn?.();\n    },\n    complete: () => {\n      destroyUnregisterFn?.();\n    },\n    // Completion of the Observable is meaningless to the signal. Signals don't have a concept of\n    // \"complete\".\n  });\n\n  if (options?.requireSync && state().kind === StateKind.NoValue) {\n    throw new ɵRuntimeError(\n      ɵRuntimeErrorCode.REQUIRE_SYNC_WITHOUT_SYNC_EMIT,\n      (typeof ngDevMode === 'undefined' || ngDevMode) &&\n        '`toSignal()` called with `requireSync` but `Observable` did not emit synchronously.',\n    );\n  }\n\n  // Unsubscribe when the current context is destroyed, if requested.\n  destroyUnregisterFn = cleanupRef?.onDestroy(sub.unsubscribe.bind(sub));\n\n  // The actual returned signal is a `computed` of the `State` signal, which maps the various states\n  // to either values or errors.\n  return computed(\n    () => {\n      const current = state();\n      switch (current.kind) {\n        case StateKind.Value:\n          return current.value;\n        case StateKind.Error:\n          throw current.error;\n        case StateKind.NoValue:\n          // This shouldn't really happen because the error is thrown on creation.\n          throw new ɵRuntimeError(\n            ɵRuntimeErrorCode.REQUIRE_SYNC_WITHOUT_SYNC_EMIT,\n            (typeof ngDevMode === 'undefined' || ngDevMode) &&\n              '`toSignal()` called with `requireSync` but `Observable` did not emit synchronously.',\n          );\n      }\n    },\n    {equal: options?.equal},\n  );\n}\n\nfunction makeToSignalEqual<T>(\n  userEquality: ValueEqualityFn<T> = Object.is,\n): ValueEqualityFn<State<T>> {\n  return (a, b) =>\n    a.kind === StateKind.Value && b.kind === StateKind.Value && userEquality(a.value, b.value);\n}\n\nconst enum StateKind {\n  NoValue,\n  Value,\n  Error,\n}\n\ninterface NoValueState {\n  kind: StateKind.NoValue;\n}\n\ninterface ValueState<T> {\n  kind: StateKind.Value;\n  value: T;\n}\n\ninterface ErrorState {\n  kind: StateKind.Error;\n  error: unknown;\n}\n\ntype State<T> = NoValueState | ValueState<T> | ErrorState;\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {assertInInjectionContext, PendingTasks, inject, Injector} from '../../src/core';\nimport {MonoTypeOperatorFunction, Observable} from 'rxjs';\n\n/**\n * Operator which makes the application unstable until the observable emits, completes, errors, or is unsubscribed.\n *\n * Use this operator in observables whose subscriptions are important for rendering and should be included in SSR serialization.\n *\n * @param injector The `Injector` to use during creation. If this is not provided, the current injection context will be used instead (via `inject`).\n *\n * @developerPreview 20.0\n */\nexport function pendingUntilEvent<T>(injector?: Injector): MonoTypeOperatorFunction<T> {\n  if (injector === undefined) {\n    ngDevMode && assertInInjectionContext(pendingUntilEvent);\n    injector = inject(Injector);\n  }\n  const taskService = injector.get(PendingTasks);\n\n  return (sourceObservable) => {\n    return new Observable<T>((originalSubscriber) => {\n      // create a new task on subscription\n      const removeTask = taskService.add();\n\n      let cleanedUp = false;\n      function cleanupTask() {\n        if (cleanedUp) {\n          return;\n        }\n\n        removeTask();\n        cleanedUp = true;\n      }\n\n      const innerSubscription = sourceObservable.subscribe({\n        next: (v) => {\n          originalSubscriber.next(v);\n          cleanupTask();\n        },\n        complete: () => {\n          originalSubscriber.complete();\n          cleanupTask();\n        },\n        error: (e) => {\n          originalSubscriber.error(e);\n          cleanupTask();\n        },\n      });\n      innerSubscription.add(() => {\n        originalSubscriber.unsubscribe();\n        cleanupTask();\n      });\n      return innerSubscription;\n    });\n  };\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  assertInInjectionContext,\n  resource,\n  ResourceLoaderParams,\n  ResourceRef,\n  Signal,\n  signal,\n  BaseResourceOptions,\n  ɵRuntimeError,\n  ɵRuntimeErrorCode,\n  ResourceStreamItem,\n} from '../../src/core';\nimport {Observable, Subscription} from 'rxjs';\nimport {encapsulateResourceError} from '../../src/resource/resource';\n\n/**\n * Like `ResourceOptions` but uses an RxJS-based `loader`.\n *\n * @experimental\n */\nexport interface RxResourceOptions<T, R> extends BaseResourceOptions<T, R> {\n  stream: (params: ResourceLoaderParams<R>) => Observable<T>;\n}\n\n/**\n * Like `resource` but uses an RxJS based `loader` which maps the request to an `Observable` of the\n * resource's value.\n *\n * @see [Using rxResource for async data](ecosystem/rxjs-interop#using-rxresource-for-async-data)\n *\n * @experimental\n */\nexport function rxResource<T, R>(\n  opts: RxResourceOptions<T, R> & {defaultValue: NoInfer<T>},\n): ResourceRef<T>;\n\n/**\n * Like `resource` but uses an RxJS based `loader` which maps the request to an `Observable` of the\n * resource's value.\n *\n * @experimental\n */\nexport function rxResource<T, R>(opts: RxResourceOptions<T, R>): ResourceRef<T | undefined>;\nexport function rxResource<T, R>(opts: RxResourceOptions<T, R>): ResourceRef<T | undefined> {\n  if (ngDevMode && !opts?.injector) {\n    assertInInjectionContext(rxResource);\n  }\n  return resource<T, R>({\n    ...opts,\n    loader: undefined,\n    stream: (params) => {\n      let sub: Subscription | undefined;\n\n      // Track the abort listener so it can be removed if the Observable completes (as a memory\n      // optimization).\n      const onAbort = () => sub?.unsubscribe();\n      params.abortSignal.addEventListener('abort', onAbort);\n\n      // Start off stream as undefined.\n      const stream = signal<ResourceStreamItem<T>>({value: undefined as T});\n      let resolve: ((value: Signal<ResourceStreamItem<T>>) => void) | undefined;\n      const promise = new Promise<Signal<ResourceStreamItem<T>>>((r) => (resolve = r));\n\n      function send(value: ResourceStreamItem<T>): void {\n        stream.set(value);\n        resolve?.(stream);\n        resolve = undefined;\n      }\n\n      // TODO(alxhub): remove after g3 updated to rename loader -> stream\n      const streamFn = opts.stream ?? (opts as {loader?: RxResourceOptions<T, R>['stream']}).loader;\n      if (streamFn === undefined) {\n        throw new ɵRuntimeError(\n          ɵRuntimeErrorCode.MUST_PROVIDE_STREAM_OPTION,\n          ngDevMode && `Must provide \\`stream\\` option.`,\n        );\n      }\n\n      sub = streamFn(params).subscribe({\n        next: (value) => send({value}),\n        error: (error: unknown) => {\n          send({error: encapsulateResourceError(error)});\n          params.abortSignal.removeEventListener('abort', onAbort);\n        },\n        complete: () => {\n          if (resolve) {\n            send({\n              error: new ɵRuntimeError(\n                ɵRuntimeErrorCode.RESOURCE_COMPLETED_BEFORE_PRODUCING_VALUE,\n                ngDevMode && 'Resource completed before producing a value',\n              ),\n            });\n          }\n          params.abortSignal.removeEventListener('abort', onAbort);\n        },\n      });\n\n      return promise;\n    },\n  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This can be\n *     passed explicitly to use `takeUntilDestroyed` outside of an [injection\n * context](guide/di/dependency-injection-context). Otherwise, the current `DestroyRef` is injected.\n *\n * @see [Unsubscribing with takeUntilDestroyed](ecosystem/rxjs-interop/take-until-destroyed)\n *\n * @publicApi 19.0\n */\nexport function takeUntilDestroyed<T>(destroyRef?: DestroyRef): MonoTypeOperatorFunction<T> {\n  if (!destroyRef) {\n    ngDevMode && assertInInjectionContext(takeUntilDestroyed);\n    destroyRef = inject(DestroyRef);\n  }\n\n  const destroyed$ = new Observable<void>((subscriber) => {\n    if (destroyRef.destroyed) {\n      subscriber.next();\n      return;\n    }\n    const unregisterFn = destroyRef.onDestroy(subscriber.next.bind(subscriber));\n    return unregisterFn;\n  });\n\n  return <T>(source: Observable<T>) => {\n    return source.pipe(takeUntil(destroyed$));\n  };\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  assertInInjectionContext,\n  DestroyRef,\n  inject,\n  OutputOptions,\n  OutputRef,\n  OutputRefSubscription,\n  ɵRuntimeError,\n  ɵRuntimeErrorCode,\n} from '../../src/core';\nimport {Observable} from 'rxjs';\n\nimport {takeUntilDestroyed} from './take_until_destroyed';\n\n/**\n * Implementation of `OutputRef` that emits values from\n * an RxJS observable source.\n *\n * @internal\n */\nclass OutputFromObservableRef<T> implements OutputRef<T> {\n  private destroyed = false;\n\n  destroyRef = inject(DestroyRef);\n\n  constructor(private source: Observable<T>) {\n    this.destroyRef.onDestroy(() => {\n      this.destroyed = true;\n    });\n  }\n\n  subscribe(callbackFn: (value: T) => void): OutputRefSubscription {\n    if (this.destroyed) {\n      throw new ɵRuntimeError(\n        ɵRuntimeErrorCode.OUTPUT_REF_DESTROYED,\n        ngDevMode &&\n          'Unexpected subscription to destroyed `OutputRef`. ' +\n            'The owning directive/component is destroyed.',\n      );\n    }\n\n    // Stop yielding more values when the directive/component is already destroyed.\n    const subscription = this.source.pipe(takeUntilDestroyed(this.destroyRef)).subscribe({\n      next: (value) => callbackFn(value),\n    });\n\n    return {\n      unsubscribe: () => subscription.unsubscribe(),\n    };\n  }\n}\n\n/**\n * Declares an Angular output that is using an RxJS observable as a source\n * for events dispatched to parent subscribers.\n *\n * The behavior for an observable as source is defined as followed:\n *    1. New values are forwarded to the Angular output (next notifications).\n *    2. Errors notifications are not handled by Angular. You need to handle these manually.\n *       For example by using `catchError`.\n *    3. Completion notifications stop the output from emitting new values.\n *\n * @usageNotes\n * Initialize an output in your directive by declaring a\n * class field and initializing it with the `outputFromObservable()` function.\n *\n * ```ts\n * @Directive({..})\n * export class MyDir {\n *   nameChange$ = <some-observable>;\n *   nameChange = outputFromObservable(this.nameChange$);\n * }\n * ```\n * @see [RxJS interop with component and directive outputs](ecosystem/rxjs-interop/output-interop)\n *\n * @publicApi 19.0\n */\nexport function outputFromObservable<T>(\n  observable: Observable<T>,\n  opts?: OutputOptions,\n): OutputRef<T> {\n  ngDevMode && assertInInjectionContext(outputFromObservable);\n  return new OutputFromObservableRef<T>(observable);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {OutputRef, ɵgetOutputDestroyRef} from '../../src/core';\nimport {Observable} from 'rxjs';\n\n/**\n * Converts an Angular output declared via `output()` or `outputFromObservable()`\n * to an observable.\n * It creates an observable that represents the stream of \"events firing\" in an output.\n *\n * You can subscribe to the output via `Observable.subscribe` then.\n *\n * @see [RxJS interop with component and directive outputs](ecosystem/rxjs-interop/output-interop)\n *\n * @publicApi 19.0\n */\nexport function outputToObservable<T>(ref: OutputRef<T>): Observable<T> {\n  const destroyRef = ɵgetOutputDestroyRef(ref);\n\n  return new Observable<T>((observer) => {\n    // Complete the observable upon directive/component destroy.\n    // Note: May be `undefined` if an `EventEmitter` is declared outside\n    // of an injection context.\n    const unregisterOnDestroy = destroyRef?.onDestroy(() => observer.complete());\n\n    const subscription = ref.subscribe((v) => observer.next(v));\n    return () => {\n      subscription.unsubscribe();\n      unregisterOnDestroy?.();\n    };\n  });\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  assertInInjectionContext,\n  DestroyRef,\n  effect,\n  inject,\n  Injector,\n  Signal,\n  untracked,\n} from '../../src/core';\nimport {Observable, ReplaySubject} from 'rxjs';\n\n/**\n * Options for `toObservable`.\n *\n * @publicApi 20.0\n */\nexport interface ToObservableOptions {\n  /**\n   * The `Injector` to use when creating the underlying `effect` which watches the signal.\n   *\n   * If this isn't specified, the current [injection context](guide/di/dependency-injection-context)\n   * will be used.\n   */\n  injector?: Injector;\n}\n\n/**\n * Exposes the value of an Angular `Signal` as an RxJS `Observable`.\n * As it reflects a state, the observable will always emit the latest value upon subscription.\n *\n * The signal's value will be propagated into the `Observable`'s subscribers using an `effect`.\n *\n * `toObservable` must be called in an injection context unless an injector is provided via options.\n *\n * @see [RxJS interop with Angular signals](ecosystem/rxjs-interop)\n * @see [Create an RxJS Observable from a signal with toObservable](ecosystem/rxjs-interop#create-an-rxjs-observable-from-a-signal-with-toobservable)\n *\n * @publicApi 20.0\n */\nexport function toObservable<T>(source: Signal<T>, options?: ToObservableOptions): Observable<T> {\n  if (ngDevMode && !options?.injector) {\n    assertInInjectionContext(toObservable);\n  }\n  const injector = options?.injector ?? inject(Injector);\n  const subject = new ReplaySubject<T>(1);\n\n  const watcher = effect(\n    () => {\n      let value: T;\n      try {\n        value = source();\n      } catch (err) {\n        untracked(() => subject.error(err));\n        return;\n      }\n      untracked(() => subject.next(value));\n    },\n    {injector, manualCleanup: true},\n  );\n\n  injector.get(DestroyRef).onDestroy(() => {\n    watcher.destroy();\n    subject.complete();\n  });\n\n  return subject.asObservable();\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  assertInInjectionContext,\n  assertNotInReactiveContext,\n  computed,\n  DestroyRef,\n  inject,\n  Injector,\n  signal,\n  Signal,\n  WritableSignal,\n  ɵRuntimeError,\n  ɵRuntimeErrorCode,\n} from '../../src/core';\nimport {ValueEqualityFn} from '../../primitives/signals';\nimport {Observable, Subscribable} from 'rxjs';\n\n/**\n * Options for `toSignal`.\n *\n * @publicApi 20.0\n */\nexport interface ToSignalOptions<T> {\n  /**\n   * Initial value for the signal produced by `toSignal`.\n   *\n   * This will be the value of the signal until the observable emits its first value.\n   */\n  initialValue?: unknown;\n\n  /**\n   * Whether to require that the observable emits synchronously when `toSignal` subscribes.\n   *\n   * If this is `true`, `toSignal` will assert that the observable produces a value immediately upon\n   * subscription. Setting this option removes the need to either deal with `undefined` in the\n   * signal type or provide an `initialValue`, at the cost of a runtime error if this requirement is\n   * not met.\n   */\n  requireSync?: boolean;\n\n  /**\n   * `Injector` which will provide the `DestroyRef` used to clean up the Observable subscription.\n   *\n   * If this is not provided, a `DestroyRef` will be retrieved from the current [injection\n   * context](guide/di/dependency-injection-context), unless manual cleanup is requested.\n   */\n  injector?: Injector;\n\n  /**\n   * Whether the subscription should be automatically cleaned up (via `DestroyRef`) when\n   * `toSignal`'s creation context is destroyed.\n   *\n   * If manual cleanup is enabled, then `DestroyRef` is not used, and the subscription will persist\n   * until the `Observable` itself completes.\n   */\n  manualCleanup?: boolean;\n\n  /**\n   * A comparison function which defines equality for values emitted by the observable.\n   *\n   * Equality comparisons are executed against the initial value if one is provided.\n   */\n  equal?: ValueEqualityFn<T>;\n}\n\n// Base case: no options -> `undefined` in the result type.\nexport function toSignal<T>(source: Observable<T> | Subscribable<T>): Signal<T | undefined>;\n// Options with `undefined` initial value and no `requiredSync` -> `undefined`.\nexport function toSignal<T>(\n  source: Observable<T> | Subscribable<T>,\n  options: NoInfer<ToSignalOptions<T | undefined>> & {\n    initialValue?: undefined;\n    requireSync?: false;\n  },\n): Signal<T | undefined>;\n// Options with `null` initial value -> `null`.\nexport function toSignal<T>(\n  source: Observable<T> | Subscribable<T>,\n  options: NoInfer<ToSignalOptions<T | null>> & {initialValue?: null; requireSync?: false},\n): Signal<T | null>;\n// Options with `undefined` initial value and `requiredSync` -> strict result type.\nexport function toSignal<T>(\n  source: Observable<T> | Subscribable<T>,\n  options: NoInfer<ToSignalOptions<T>> & {initialValue?: undefined; requireSync: true},\n): Signal<T>;\n// Options with a more specific initial value type.\nexport function toSignal<T, const U extends T>(\n  source: Observable<T> | Subscribable<T>,\n  options: NoInfer<ToSignalOptions<T | U>> & {initialValue: U; requireSync?: false},\n): Signal<T | U>;\n\n/**\n * Get the current value of an `Observable` as a reactive `Signal`.\n *\n * `toSignal` returns a `Signal` which provides synchronous reactive access to values produced\n * by the given `Observable`, by subscribing to that `Observable`. The returned `Signal` will always\n * have the most recent value emitted by the subscription, and will throw an error if the\n * `Observable` errors.\n *\n * With `requireSync` set to `true`, `toSignal` will assert that the `Observable` produces a value\n * immediately upon subscription. No `initialValue` is needed in this case, and the returned signal\n * does not include an `undefined` type.\n *\n * By default, the subscription will be automatically cleaned up when the current [injection\n * context](guide/di/dependency-injection-context) is destroyed. For example, when `toSignal` is\n * called during the construction of a component, the subscription will be cleaned up when the\n * component is destroyed. If an injection context is not available, an explicit `Injector` can be\n * passed instead.\n *\n * If the subscription should persist until the `Observable` itself completes, the `manualCleanup`\n * option can be specified instead, which disables the automatic subscription teardown. No injection\n * context is needed in this configuration as well.\n *\n * @see [RxJS interop with Angular signals](ecosystem/rxjs-interop)\n */\nexport function toSignal<T, U = undefined>(\n  source: Observable<T> | Subscribable<T>,\n  options?: ToSignalOptions<T | U> & {initialValue?: U},\n): Signal<T | U> {\n  typeof ngDevMode !== 'undefined' &&\n    ngDevMode &&\n    assertNotInReactiveContext(\n      toSignal,\n      'Invoking `toSignal` causes new subscriptions every time. ' +\n        'Consider moving `toSignal` outside of the reactive context and read the signal value where needed.',\n    );\n\n  const requiresCleanup = !options?.manualCleanup;\n\n  if (ngDevMode && requiresCleanup && !options?.injector) {\n    assertInInjectionContext(toSignal);\n  }\n\n  const cleanupRef = requiresCleanup\n    ? (options?.injector?.get(DestroyRef) ?? inject(DestroyRef))\n    : null;\n\n  const equal = makeToSignalEqual(options?.equal);\n\n  // Note: T is the Observable value type, and U is the initial value type. They don't have to be\n  // the same - the returned signal gives values of type `T`.\n  let state: WritableSignal<State<T | U>>;\n  if (options?.requireSync) {\n    // Initially the signal is in a `NoValue` state.\n    state = signal({kind: StateKind.NoValue}, {equal});\n  } else {\n    // If an initial value was passed, use it. Otherwise, use `undefined` as the initial value.\n    state = signal<State<T | U>>(\n      {kind: StateKind.Value, value: options?.initialValue as U},\n      {equal},\n    );\n  }\n\n  let destroyUnregisterFn: (() => void) | undefined;\n\n  // Note: This code cannot run inside a reactive context (see assertion above). If we'd support\n  // this, we would subscribe to the observable outside of the current reactive context, avoiding\n  // that side-effect signal reads/writes are attribute to the current consumer. The current\n  // consumer only needs to be notified when the `state` signal changes through the observable\n  // subscription. Additional context (related to async pipe):\n  // https://github.com/angular/angular/pull/50522.\n  const sub = source.subscribe({\n    next: (value) => state.set({kind: StateKind.Value, value}),\n    error: (error) => {\n      state.set({kind: StateKind.Error, error});\n      destroyUnregisterFn?.();\n    },\n    complete: () => {\n      destroyUnregisterFn?.();\n    },\n    // Completion of the Observable is meaningless to the signal. Signals don't have a concept of\n    // \"complete\".\n  });\n\n  if (options?.requireSync && state().kind === StateKind.NoValue) {\n    throw new ɵRuntimeError(\n      ɵRuntimeErrorCode.REQUIRE_SYNC_WITHOUT_SYNC_EMIT,\n      (typeof ngDevMode === 'undefined' || ngDevMode) &&\n        '`toSignal()` called with `requireSync` but `Observable` did not emit synchronously.',\n    );\n  }\n\n  // Unsubscribe when the current context is destroyed, if requested.\n  destroyUnregisterFn = cleanupRef?.onDestroy(sub.unsubscribe.bind(sub));\n\n  // The actual returned signal is a `computed` of the `State` signal, which maps the various states\n  // to either values or errors.\n  return computed(\n    () => {\n      const current = state();\n      switch (current.kind) {\n        case StateKind.Value:\n          return current.value;\n        case StateKind.Error:\n          throw current.error;\n        case StateKind.NoValue:\n          // This shouldn't really happen because the error is thrown on creation.\n          throw new ɵRuntimeError(\n            ɵRuntimeErrorCode.REQUIRE_SYNC_WITHOUT_SYNC_EMIT,\n            (typeof ngDevMode === 'undefined' || ngDevMode) &&\n              '`toSignal()` called with `requireSync` but `Observable` did not emit synchronously.',\n          );\n      }\n    },\n    {equal: options?.equal},\n  );\n}\n\nfunction makeToSignalEqual<T>(\n  userEquality: ValueEqualityFn<T> = Object.is,\n): ValueEqualityFn<State<T>> {\n  return (a, b) =>\n    a.kind === StateKind.Value && b.kind === StateKind.Value && userEquality(a.value, b.value);\n}\n\nconst enum StateKind {\n  NoValue,\n  Value,\n  Error,\n}\n\ninterface NoValueState {\n  kind: StateKind.NoValue;\n}\n\ninterface ValueState<T> {\n  kind: StateKind.Value;\n  value: T;\n}\n\ninterface ErrorState {\n  kind: StateKind.Error;\n  error: unknown;\n}\n\ntype State<T> = NoValueState | ValueState<T> | ErrorState;\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {assertInInjectionContext, PendingTasks, inject, Injector} from '../../src/core';\nimport {MonoTypeOperatorFunction, Observable} from 'rxjs';\n\n/**\n * Operator which makes the application unstable until the observable emits, completes, errors, or is unsubscribed.\n *\n * Use this operator in observables whose subscriptions are important for rendering and should be included in SSR serialization.\n *\n * @param injector The `Injector` to use during creation. If this is not provided, the current injection context will be used instead (via `inject`).\n *\n * @developerPreview 20.0\n */\nexport function pendingUntilEvent<T>(injector?: Injector): MonoTypeOperatorFunction<T> {\n  if (injector === undefined) {\n    ngDevMode && assertInInjectionContext(pendingUntilEvent);\n    injector = inject(Injector);\n  }\n  const taskService = injector.get(PendingTasks);\n\n  return (sourceObservable) => {\n    return new Observable<T>((originalSubscriber) => {\n      // create a new task on subscription\n      const removeTask = taskService.add();\n\n      let cleanedUp = false;\n      function cleanupTask() {\n        if (cleanedUp) {\n          return;\n        }\n\n        removeTask();\n        cleanedUp = true;\n      }\n\n      const innerSubscription = sourceObservable.subscribe({\n        next: (v) => {\n          originalSubscriber.next(v);\n          cleanupTask();\n        },\n        complete: () => {\n          originalSubscriber.complete();\n          cleanupTask();\n        },\n        error: (e) => {\n          originalSubscriber.error(e);\n          cleanupTask();\n        },\n      });\n      innerSubscription.add(() => {\n        originalSubscriber.unsubscribe();\n        cleanupTask();\n      });\n      return innerSubscription;\n    });\n  };\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {\n  assertInInjectionContext,\n  resource,\n  ResourceLoaderParams,\n  ResourceRef,\n  Signal,\n  signal,\n  BaseResourceOptions,\n  ɵRuntimeError,\n  ɵRuntimeErrorCode,\n  ResourceStreamItem,\n} from '../../src/core';\nimport {Observable, Subscription} from 'rxjs';\nimport {encapsulateResourceError} from '../../src/resource/resource';\n\n/**\n * Like `ResourceOptions` but uses an RxJS-based `loader`.\n *\n * @experimental\n */\nexport interface RxResourceOptions<T, R> extends BaseResourceOptions<T, R> {\n  stream: (params: ResourceLoaderParams<R>) => Observable<T>;\n}\n\n/**\n * Like `resource` but uses an RxJS based `loader` which maps the request to an `Observable` of the\n * resource's value.\n *\n * @see [Using rxResource for async data](ecosystem/rxjs-interop#using-rxresource-for-async-data)\n *\n * @experimental\n */\nexport function rxResource<T, R>(\n  opts: RxResourceOptions<T, R> & {defaultValue: NoInfer<T>},\n): ResourceRef<T>;\n\n/**\n * Like `resource` but uses an RxJS based `loader` which maps the request to an `Observable` of the\n * resource's value.\n *\n * @experimental\n */\nexport function rxResource<T, R>(opts: RxResourceOptions<T, R>): ResourceRef<T | undefined>;\nexport function rxResource<T, R>(opts: RxResourceOptions<T, R>): ResourceRef<T | undefined> {\n  if (ngDevMode && !opts?.injector) {\n    assertInInjectionContext(rxResource);\n  }\n  return resource<T, R>({\n    ...opts,\n    loader: undefined,\n    stream: (params) => {\n      let sub: Subscription | undefined;\n\n      // Track the abort listener so it can be removed if the Observable completes (as a memory\n      // optimization).\n      const onAbort = () => sub?.unsubscribe();\n      params.abortSignal.addEventListener('abort', onAbort);\n\n      // Start off stream as undefined.\n      const stream = signal<ResourceStreamItem<T>>({value: undefined as T});\n      let resolve: ((value: Signal<ResourceStreamItem<T>>) => void) | undefined;\n      const promise = new Promise<Signal<ResourceStreamItem<T>>>((r) => (resolve = r));\n\n      function send(value: ResourceStreamItem<T>): void {\n        stream.set(value);\n        resolve?.(stream);\n        resolve = undefined;\n      }\n\n      // TODO(alxhub): remove after g3 updated to rename loader -> stream\n      const streamFn = opts.stream ?? (opts as {loader?: RxResourceOptions<T, R>['stream']}).loader;\n      if (streamFn === undefined) {\n        throw new ɵRuntimeError(\n          ɵRuntimeErrorCode.MUST_PROVIDE_STREAM_OPTION,\n          ngDevMode && `Must provide \\`stream\\` option.`,\n        );\n      }\n\n      sub = streamFn(params).subscribe({\n        next: (value) => send({value}),\n        error: (error: unknown) => {\n          send({error: encapsulateResourceError(error)});\n          params.abortSignal.removeEventListener('abort', onAbort);\n        },\n        complete: () => {\n          if (resolve) {\n            send({\n              error: new ɵRuntimeError(\n                ɵRuntimeErrorCode.RESOURCE_COMPLETED_BEFORE_PRODUCING_VALUE,\n                ngDevMode && 'Resource completed before producing a value',\n              ),\n            });\n          }\n          params.abortSignal.removeEventListener('abort', onAbort);\n        },\n      });\n\n      return promise;\n    },\n  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fesm2022/signal.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/signal.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"signal.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/graph.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/equality.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/computed.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/errors.ts","../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/signal.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\n/**\n * The currently active consumer `ReactiveNode`, if running code in a reactive context.\n *\n * Change this via `setActiveConsumer`.\n */\nlet activeConsumer: ReactiveNode | null = null;\nlet inNotificationPhase = false;\n\nexport type Version = number & {__brand: 'Version'};\n\n/**\n * Global epoch counter. Incremented whenever a source signal is set.\n */\nlet epoch: Version = 1 as Version;\n\nexport type ReactiveHookFn = (node: ReactiveNode) => void;\n\n/**\n * If set, called after a producer `ReactiveNode` is created.\n */\nlet postProducerCreatedFn: ReactiveHookFn | null = null;\n\n/**\n * Symbol used to tell `Signal`s apart from other functions.\n *\n * This can be used to auto-unwrap signals in various cases, or to auto-wrap non-signal values.\n */\nexport const SIGNAL: unique symbol = /* @__PURE__ */ Symbol('SIGNAL');\n\nexport function setActiveConsumer(consumer: ReactiveNode | null): ReactiveNode | null {\n  const prev = activeConsumer;\n  activeConsumer = consumer;\n  return prev;\n}\n\nexport function getActiveConsumer(): ReactiveNode | null {\n  return activeConsumer;\n}\n\nexport function isInNotificationPhase(): boolean {\n  return inNotificationPhase;\n}\n\nexport interface Reactive {\n  [SIGNAL]: ReactiveNode;\n}\n\nexport function isReactive(value: unknown): value is Reactive {\n  return (value as Partial<Reactive>)[SIGNAL] !== undefined;\n}\n\nexport const REACTIVE_NODE: ReactiveNode = {\n  version: 0 as Version,\n  lastCleanEpoch: 0 as Version,\n  dirty: false,\n  producers: undefined,\n  producersTail: undefined,\n  consumers: undefined,\n  consumersTail: undefined,\n  recomputing: false,\n  consumerAllowSignalWrites: false,\n  consumerIsAlwaysLive: false,\n  kind: 'unknown',\n  producerMustRecompute: () => false,\n  producerRecomputeValue: () => {},\n  consumerMarkedDirty: () => {},\n  consumerOnSignalRead: () => {},\n};\n\ninterface ReactiveLink {\n  producer: ReactiveNode;\n  consumer: ReactiveNode;\n  lastReadVersion: number;\n  prevConsumer: ReactiveLink | undefined;\n  nextConsumer: ReactiveLink | undefined;\n  nextProducer: ReactiveLink | undefined;\n}\n\n/**\n * A producer and/or consumer which participates in the reactive graph.\n *\n * Producer `ReactiveNode`s which are accessed when a consumer `ReactiveNode` is the\n * `activeConsumer` are tracked as dependencies of that consumer.\n *\n * Certain consumers are also tracked as \"live\" consumers and create edges in the other direction,\n * from producer to consumer. These edges are used to propagate change notifications when a\n * producer's value is updated.\n *\n * A `ReactiveNode` may be both a producer and consumer.\n */\nexport interface ReactiveNode {\n  /**\n   * Version of the value that this node produces.\n   *\n   * This is incremented whenever a new value is produced by this node which is not equal to the\n   * previous value (by whatever definition of equality is in use).\n   */\n  version: Version;\n\n  /**\n   * Epoch at which this node is verified to be clean.\n   *\n   * This allows skipping of some polling operations in the case where no signals have been set\n   * since this node was last read.\n   */\n  lastCleanEpoch: Version;\n\n  /**\n   * Whether this node (in its consumer capacity) is dirty.\n   *\n   * Only live consumers become dirty, when receiving a change notification from a dependency\n   * producer.\n   */\n  dirty: boolean;\n\n  /**\n   * Whether this node is currently rebuilding its producer list.\n   */\n  recomputing: boolean;\n\n  /**\n   * Producers which are dependencies of this consumer.\n   */\n  producers: ReactiveLink | undefined;\n\n  /**\n   * Points to the last linked list node in the `producers` linked list.\n   *\n   * When this node is recomputing, this is used to track the producers that we have accessed so far.\n   */\n  producersTail: ReactiveLink | undefined;\n\n  /**\n   * Linked list of consumers of this producer that are \"live\" (they require push notifications).\n   *\n   * The length of this list is effectively our reference count for this node.\n   */\n  consumers: ReactiveLink | undefined;\n  consumersTail: ReactiveLink | undefined;\n\n  /**\n   * Whether writes to signals are allowed when this consumer is the `activeConsumer`.\n   *\n   * This is used to enforce guardrails such as preventing writes to writable signals in the\n   * computation function of computed signals, which is supposed to be pure.\n   */\n  consumerAllowSignalWrites: boolean;\n\n  readonly consumerIsAlwaysLive: boolean;\n\n  /**\n   * Tracks whether producers need to recompute their value independently of the reactive graph (for\n   * example, if no initial value has been computed).\n   */\n  producerMustRecompute(node: unknown): boolean;\n  producerRecomputeValue(node: unknown): void;\n  consumerMarkedDirty(node: unknown): void;\n\n  /**\n   * Called when a signal is read within this consumer.\n   */\n  consumerOnSignalRead(node: unknown): void;\n\n  /**\n   * A debug name for the reactive node. Used in Angular DevTools to identify the node.\n   */\n  debugName?: string;\n\n  /**\n   * Kind of node. Example: 'signal', 'computed', 'input', 'effect'.\n   *\n   * ReactiveNode has this as 'unknown' by default, but derived node types should override this to\n   * make available the kind of signal that particular instance of a ReactiveNode represents.\n   *\n   * Used in Angular DevTools to identify the kind of signal.\n   */\n  kind: string;\n}\n\n/**\n * Called by implementations when a producer's signal is read.\n */\nexport function producerAccessed(node: ReactiveNode): void {\n  if (inNotificationPhase) {\n    throw new Error(\n      typeof ngDevMode !== 'undefined' && ngDevMode\n        ? `Assertion error: signal read during notification phase`\n        : '',\n    );\n  }\n\n  if (activeConsumer === null) {\n    // Accessed outside of a reactive context, so nothing to record.\n    return;\n  }\n\n  activeConsumer.consumerOnSignalRead(node);\n\n  const prevProducerLink = activeConsumer.producersTail;\n\n  // If the last producer we accessed is the same as the current one, we can skip adding a new\n  // link\n  if (prevProducerLink !== undefined && prevProducerLink.producer === node) {\n    return;\n  }\n\n  let nextProducerLink: ReactiveLink | undefined = undefined;\n  const isRecomputing = activeConsumer.recomputing;\n  if (isRecomputing) {\n    // If we're incrementally rebuilding the producers list, we want to check if the next producer\n    // in the list is the same as the one we're trying to add.\n\n    // If the previous producer is defined, then the next producer is just the one that follows it.\n    // Otherwise, we should check the head of the producers list (the first node that we accessed the last time this consumer was run).\n    nextProducerLink =\n      prevProducerLink !== undefined ? prevProducerLink.nextProducer : activeConsumer.producers;\n    if (nextProducerLink !== undefined && nextProducerLink.producer === node) {\n      // If the next producer is the same as the one we're trying to add, we can just update the\n      // last read version, update the tail of the producers list of this rerun, and return.\n      activeConsumer.producersTail = nextProducerLink;\n      nextProducerLink.lastReadVersion = node.version;\n      return;\n    }\n  }\n\n  const prevConsumerLink = node.consumersTail;\n\n  // If the producer we're accessing already has a link to this consumer, we can skip adding a new\n  // link. This can short circuit the creation of a new link in the case where the consumer reads alternating ReeactiveNodes\n  if (\n    prevConsumerLink !== undefined &&\n    prevConsumerLink.consumer === activeConsumer &&\n    // However, we have to make sure that the link we've discovered isn't from a node that is incrementally rebuilding its producer list\n    (!isRecomputing || isValidLink(prevConsumerLink, activeConsumer))\n  ) {\n    // If we found an existing link to the consumer we can just return.\n    return;\n  }\n\n  // If we got here, it means that we need to create a new link between the producer and the consumer.\n  const isLive = consumerIsLive(activeConsumer);\n  const newLink = {\n    producer: node,\n    consumer: activeConsumer,\n    // instead of eagerly destroying the previous link, we delay until we've finished recomputing\n    // the producers list, so that we can destroy all of the old links at once.\n    nextProducer: nextProducerLink,\n    prevConsumer: prevConsumerLink,\n    lastReadVersion: node.version,\n    nextConsumer: undefined,\n  };\n  activeConsumer.producersTail = newLink;\n  if (prevProducerLink !== undefined) {\n    prevProducerLink.nextProducer = newLink;\n  } else {\n    activeConsumer.producers = newLink;\n  }\n\n  if (isLive) {\n    producerAddLiveConsumer(node, newLink);\n  }\n}\n\n/**\n * Increment the global epoch counter.\n *\n * Called by source producers (that is, not computeds) whenever their values change.\n */\nexport function producerIncrementEpoch(): void {\n  epoch++;\n}\n\n/**\n * Ensure this producer's `version` is up-to-date.\n */\nexport function producerUpdateValueVersion(node: ReactiveNode): void {\n  if (consumerIsLive(node) && !node.dirty) {\n    // A live consumer will be marked dirty by producers, so a clean state means that its version\n    // is guaranteed to be up-to-date.\n    return;\n  }\n\n  if (!node.dirty && node.lastCleanEpoch === epoch) {\n    // Even non-live consumers can skip polling if they previously found themselves to be clean at\n    // the current epoch, since their dependencies could not possibly have changed (such a change\n    // would've increased the epoch).\n    return;\n  }\n\n  if (!node.producerMustRecompute(node) && !consumerPollProducersForChange(node)) {\n    // None of our producers report a change since the last time they were read, so no\n    // recomputation of our value is necessary, and we can consider ourselves clean.\n    producerMarkClean(node);\n    return;\n  }\n\n  node.producerRecomputeValue(node);\n\n  // After recomputing the value, we're no longer dirty.\n  producerMarkClean(node);\n}\n\n/**\n * Propagate a dirty notification to live consumers of this producer.\n */\nexport function producerNotifyConsumers(node: ReactiveNode): void {\n  if (node.consumers === undefined) {\n    return;\n  }\n\n  // Prevent signal reads when we're updating the graph\n  const prev = inNotificationPhase;\n  inNotificationPhase = true;\n  try {\n    for (\n      let link: ReactiveLink | undefined = node.consumers;\n      link !== undefined;\n      link = link.nextConsumer\n    ) {\n      const consumer = link.consumer;\n      if (!consumer.dirty) {\n        consumerMarkDirty(consumer);\n      }\n    }\n  } finally {\n    inNotificationPhase = prev;\n  }\n}\n\n/**\n * Whether this `ReactiveNode` in its producer capacity is currently allowed to initiate updates,\n * based on the current consumer context.\n */\nexport function producerUpdatesAllowed(): boolean {\n  return activeConsumer?.consumerAllowSignalWrites !== false;\n}\n\nexport function consumerMarkDirty(node: ReactiveNode): void {\n  node.dirty = true;\n  producerNotifyConsumers(node);\n  node.consumerMarkedDirty?.(node);\n}\n\nexport function producerMarkClean(node: ReactiveNode): void {\n  node.dirty = false;\n  node.lastCleanEpoch = epoch;\n}\n\n/**\n * Prepare this consumer to run a computation in its reactive context and set\n * it as the active consumer.\n *\n * Must be called by subclasses which represent reactive computations, before those computations\n * begin.\n */\nexport function consumerBeforeComputation(node: ReactiveNode | null): ReactiveNode | null {\n  if (node) resetConsumerBeforeComputation(node);\n\n  return setActiveConsumer(node);\n}\n\n/**\n * Prepare this consumer to run a computation in its reactive context.\n *\n * We expose this mainly for code where we manually batch effects into a single\n * consumer. In those cases we may wish to \"reopen\" a consumer multiple times\n * in initial render before finalizing it. Most code should just call\n * `consumerBeforeComputation` instead of calling this directly.\n */\nexport function resetConsumerBeforeComputation(node: ReactiveNode): void {\n  node.producersTail = undefined;\n  node.recomputing = true;\n}\n\n/**\n * Finalize this consumer's state and set previous consumer as the active consumer after a\n * reactive computation has run.\n *\n * Must be called by subclasses which represent reactive computations, after those computations\n * have finished.\n */\nexport function consumerAfterComputation(\n  node: ReactiveNode | null,\n  prevConsumer: ReactiveNode | null,\n): void {\n  setActiveConsumer(prevConsumer);\n\n  if (node) finalizeConsumerAfterComputation(node);\n}\n\n/**\n * Finalize this consumer's state after a reactive computation has run.\n *\n * We expose this mainly for code where we manually batch effects into a single\n * consumer. In those cases we may wish to \"reopen\" a consumer multiple times\n * in initial render before finalizing it. Most code should just call\n * `consumerAfterComputation` instead of calling this directly.\n */\nexport function finalizeConsumerAfterComputation(node: ReactiveNode): void {\n  node.recomputing = false;\n\n  // We've finished incrementally rebuilding the producers list, now if there are any producers\n  // that are after producersTail, they are stale and should be removed.\n  const producersTail = node.producersTail as ReactiveLink | undefined;\n  let toRemove = producersTail !== undefined ? producersTail.nextProducer : node.producers;\n  if (toRemove !== undefined) {\n    if (consumerIsLive(node)) {\n      // For each stale link, we first unlink it from the producers list of consumers\n      do {\n        toRemove = producerRemoveLiveConsumerLink(toRemove);\n      } while (toRemove !== undefined);\n    }\n\n    // Now, we can truncate the producers list to remove all stale links.\n    if (producersTail !== undefined) {\n      producersTail.nextProducer = undefined;\n    } else {\n      node.producers = undefined;\n    }\n  }\n}\n\n/**\n * Determine whether this consumer has any dependencies which have changed since the last time\n * they were read.\n */\nexport function consumerPollProducersForChange(node: ReactiveNode): boolean {\n  // Poll producers for change.\n  for (let link = node.producers; link !== undefined; link = link.nextProducer) {\n    const producer = link.producer;\n    const seenVersion = link.lastReadVersion;\n\n    // First check the versions. A mismatch means that the producer's value is known to have\n    // changed since the last time we read it.\n    if (seenVersion !== producer.version) {\n      return true;\n    }\n\n    // The producer's version is the same as the last time we read it, but it might itself be\n    // stale. Force the producer to recompute its version (calculating a new value if necessary).\n    producerUpdateValueVersion(producer);\n\n    // Now when we do this check, `producer.version` is guaranteed to be up to date, so if the\n    // versions still match then it has not changed since the last time we read it.\n    if (seenVersion !== producer.version) {\n      return true;\n    }\n  }\n\n  return false;\n}\n\n/**\n * Disconnect this consumer from the graph.\n */\nexport function consumerDestroy(node: ReactiveNode): void {\n  if (consumerIsLive(node)) {\n    // Drop all connections from the graph to this node.\n    let link = node.producers;\n    while (link !== undefined) {\n      link = producerRemoveLiveConsumerLink(link);\n    }\n  }\n\n  // Truncate all the linked lists to drop all connection from this node to the graph.\n  node.producers = undefined;\n  node.producersTail = undefined;\n  node.consumers = undefined;\n  node.consumersTail = undefined;\n}\n\n/**\n * Add `consumer` as a live consumer of this node.\n *\n * Note that this operation is potentially transitive. If this node becomes live, then it becomes\n * a live consumer of all of its current producers.\n */\nfunction producerAddLiveConsumer(node: ReactiveNode, link: ReactiveLink): void {\n  const consumersTail = node.consumersTail;\n  const wasLive = consumerIsLive(node);\n  if (consumersTail !== undefined) {\n    link.nextConsumer = consumersTail.nextConsumer;\n    consumersTail.nextConsumer = link;\n  } else {\n    link.nextConsumer = undefined;\n    node.consumers = link;\n  }\n  link.prevConsumer = consumersTail;\n  node.consumersTail = link;\n  if (!wasLive) {\n    for (\n      let link: ReactiveLink | undefined = node.producers;\n      link !== undefined;\n      link = link.nextProducer\n    ) {\n      producerAddLiveConsumer(link.producer, link);\n    }\n  }\n}\n\nfunction producerRemoveLiveConsumerLink(link: ReactiveLink): ReactiveLink | undefined {\n  const producer = link.producer;\n  const nextProducer = link.nextProducer;\n  const nextConsumer = link.nextConsumer;\n  const prevConsumer = link.prevConsumer;\n  link.nextConsumer = undefined;\n  link.prevConsumer = undefined;\n  if (nextConsumer !== undefined) {\n    nextConsumer.prevConsumer = prevConsumer;\n  } else {\n    producer.consumersTail = prevConsumer;\n  }\n  if (prevConsumer !== undefined) {\n    prevConsumer.nextConsumer = nextConsumer;\n  } else {\n    producer.consumers = nextConsumer;\n    if (!consumerIsLive(producer)) {\n      let producerLink = producer.producers;\n      while (producerLink !== undefined) {\n        producerLink = producerRemoveLiveConsumerLink(producerLink);\n      }\n    }\n  }\n  return nextProducer;\n}\n\nfunction consumerIsLive(node: ReactiveNode): boolean {\n  return node.consumerIsAlwaysLive || node.consumers !== undefined;\n}\n\nexport function runPostProducerCreatedFn(node: ReactiveNode): void {\n  postProducerCreatedFn?.(node);\n}\n\nexport function setPostProducerCreatedFn(fn: ReactiveHookFn | null): ReactiveHookFn | null {\n  const prev = postProducerCreatedFn;\n  postProducerCreatedFn = fn;\n  return prev;\n}\n\n// While a ReactiveNode is recomputing, it may not have destroyed previous links\n// This allows us to check if a given link will be destroyed by a reactivenode if it were to finish running immediately without accesing any more producers\nfunction isValidLink(checkLink: ReactiveLink, consumer: ReactiveNode): boolean {\n  const producersTail = consumer.producersTail;\n  if (producersTail !== undefined) {\n    let link = consumer.producers!;\n    do {\n      if (link === checkLink) {\n        return true;\n      }\n      if (link === producersTail) {\n        break;\n      }\n      link = link.nextProducer!;\n    } while (link !== undefined);\n  }\n  return false;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\n/**\n * A comparison function which can determine if two values are equal.\n */\nexport type ValueEqualityFn<T> = (a: T, b: T) => boolean;\n\n/**\n * The default equality function used for `signal` and `computed`, which uses referential equality.\n */\nexport function defaultEquals<T>(a: T, b: T) {\n  return Object.is(a, b);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {defaultEquals, ValueEqualityFn} from './equality';\nimport {\n  consumerAfterComputation,\n  consumerBeforeComputation,\n  producerAccessed,\n  producerUpdateValueVersion,\n  REACTIVE_NODE,\n  ReactiveNode,\n  setActiveConsumer,\n  SIGNAL,\n  runPostProducerCreatedFn,\n} from './graph';\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\n/**\n * A computation, which derives a value from a declarative reactive expression.\n *\n * `Computed`s are both producers and consumers of reactivity.\n */\nexport interface ComputedNode<T> extends ReactiveNode {\n  /**\n   * Current value of the computation, or one of the sentinel values above (`UNSET`, `COMPUTING`,\n   * `ERROR`).\n   */\n  value: T;\n\n  /**\n   * If `value` is `ERRORED`, the error caught from the last computation attempt which will\n   * be re-thrown.\n   */\n  error: unknown;\n\n  /**\n   * The computation function which will produce a new value.\n   */\n  computation: () => T;\n\n  equal: ValueEqualityFn<T>;\n}\n\nexport type ComputedGetter<T> = (() => T) & {\n  [SIGNAL]: ComputedNode<T>;\n};\n\n/**\n * Create a computed signal which derives a reactive value from an expression.\n */\nexport function createComputed<T>(\n  computation: () => T,\n  equal?: ValueEqualityFn<T>,\n): ComputedGetter<T> {\n  const node: ComputedNode<T> = Object.create(COMPUTED_NODE);\n  node.computation = computation;\n\n  if (equal !== undefined) {\n    node.equal = equal;\n  }\n\n  const computed = () => {\n    // Check if the value needs updating before returning it.\n    producerUpdateValueVersion(node);\n\n    // Record that someone looked at this signal.\n    producerAccessed(node);\n\n    if (node.value === ERRORED) {\n      throw node.error;\n    }\n\n    return node.value;\n  };\n\n  (computed as ComputedGetter<T>)[SIGNAL] = node;\n  if (typeof ngDevMode !== 'undefined' && ngDevMode) {\n    const debugName = node.debugName ? ' (' + node.debugName + ')' : '';\n    computed.toString = () => `[Computed${debugName}: ${node.value}]`;\n  }\n\n  runPostProducerCreatedFn(node);\n\n  return computed as unknown as ComputedGetter<T>;\n}\n\n/**\n * A dedicated symbol used before a computed value has been calculated for the first time.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nexport const UNSET: any = /* @__PURE__ */ Symbol('UNSET');\n\n/**\n * A dedicated symbol used in place of a computed signal value to indicate that a given computation\n * is in progress. Used to detect cycles in computation chains.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nexport const COMPUTING: any = /* @__PURE__ */ Symbol('COMPUTING');\n\n/**\n * A dedicated symbol used in place of a computed signal value to indicate that a given computation\n * failed. The thrown error is cached until the computation gets dirty again.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nexport const ERRORED: any = /* @__PURE__ */ Symbol('ERRORED');\n\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nconst COMPUTED_NODE = /* @__PURE__ */ (() => {\n  return {\n    ...REACTIVE_NODE,\n    value: UNSET,\n    dirty: true,\n    error: null,\n    equal: defaultEquals,\n    kind: 'computed',\n\n    producerMustRecompute(node: ComputedNode<unknown>): boolean {\n      // Force a recomputation if there's no current value, or if the current value is in the\n      // process of being calculated (which should throw an error).\n      return node.value === UNSET || node.value === COMPUTING;\n    },\n\n    producerRecomputeValue(node: ComputedNode<unknown>): void {\n      if (node.value === COMPUTING) {\n        // Our computation somehow led to a cyclic read of itself.\n        throw new Error(\n          typeof ngDevMode !== 'undefined' && ngDevMode ? 'Detected cycle in computations.' : '',\n        );\n      }\n\n      const oldValue = node.value;\n      node.value = COMPUTING;\n\n      const prevConsumer = consumerBeforeComputation(node);\n      let newValue: unknown;\n      let wasEqual = false;\n      try {\n        newValue = node.computation();\n        // We want to mark this node as errored if calling `equal` throws; however, we don't want\n        // to track any reactive reads inside `equal`.\n        setActiveConsumer(null);\n        wasEqual =\n          oldValue !== UNSET &&\n          oldValue !== ERRORED &&\n          newValue !== ERRORED &&\n          node.equal(oldValue, newValue);\n      } catch (err) {\n        newValue = ERRORED;\n        node.error = err;\n      } finally {\n        consumerAfterComputation(node, prevConsumer);\n      }\n\n      if (wasEqual) {\n        // No change to `valueVersion` - old and new values are\n        // semantically equivalent.\n        node.value = oldValue;\n        return;\n      }\n\n      node.value = newValue;\n      node.version++;\n    },\n  };\n})();\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport type {SignalNode} from './signal';\n\nfunction defaultThrowError(): never {\n  throw new Error();\n}\n\nlet throwInvalidWriteToSignalErrorFn: <T>(node: SignalNode<T>) => never = defaultThrowError;\n\nexport function throwInvalidWriteToSignalError<T>(node: SignalNode<T>) {\n  throwInvalidWriteToSignalErrorFn(node);\n}\n\nexport function setThrowInvalidWriteToSignalError(fn: <T>(node: SignalNode<T>) => never): void {\n  throwInvalidWriteToSignalErrorFn = fn;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {defaultEquals, ValueEqualityFn} from './equality';\nimport {throwInvalidWriteToSignalError} from './errors';\nimport {\n  producerAccessed,\n  producerIncrementEpoch,\n  producerNotifyConsumers,\n  producerUpdatesAllowed,\n  REACTIVE_NODE,\n  ReactiveNode,\n  ReactiveHookFn,\n  runPostProducerCreatedFn,\n  SIGNAL,\n} from './graph';\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\n/**\n * If set, called after `WritableSignal`s are updated.\n *\n * This hook can be used to achieve various effects, such as running effects synchronously as part\n * of setting a signal.\n */\nlet postSignalSetFn: ReactiveHookFn | null = null;\n\nexport interface SignalNode<T> extends ReactiveNode {\n  value: T;\n  equal: ValueEqualityFn<T>;\n}\n\nexport type SignalBaseGetter<T> = (() => T) & {readonly [SIGNAL]: unknown};\nexport type SignalSetter<T> = (newValue: T) => void;\nexport type SignalUpdater<T> = (updateFn: (value: T) => T) => void;\n\n// Note: Closure *requires* this to be an `interface` and not a type, which is why the\n// `SignalBaseGetter` type exists to provide the correct shape.\nexport interface SignalGetter<T> extends SignalBaseGetter<T> {\n  readonly [SIGNAL]: SignalNode<T>;\n}\n\n/**\n * Creates a `Signal` getter, setter, and updater function.\n */\nexport function createSignal<T>(\n  initialValue: T,\n  equal?: ValueEqualityFn<T>,\n): [SignalGetter<T>, SignalSetter<T>, SignalUpdater<T>] {\n  const node: SignalNode<T> = Object.create(SIGNAL_NODE);\n  node.value = initialValue;\n  if (equal !== undefined) {\n    node.equal = equal;\n  }\n  const getter = (() => signalGetFn(node)) as SignalGetter<T>;\n  (getter as any)[SIGNAL] = node;\n  if (typeof ngDevMode !== 'undefined' && ngDevMode) {\n    const debugName = node.debugName ? ' (' + node.debugName + ')' : '';\n    getter.toString = () => `[Signal${debugName}: ${node.value}]`;\n  }\n\n  runPostProducerCreatedFn(node);\n  const set = (newValue: T) => signalSetFn(node, newValue);\n  const update = (updateFn: (value: T) => T) => signalUpdateFn(node, updateFn);\n  return [getter, set, update];\n}\n\nexport function setPostSignalSetFn(fn: ReactiveHookFn | null): ReactiveHookFn | null {\n  const prev = postSignalSetFn;\n  postSignalSetFn = fn;\n  return prev;\n}\n\nexport function signalGetFn<T>(node: SignalNode<T>): T {\n  producerAccessed(node);\n  return node.value;\n}\n\nexport function signalSetFn<T>(node: SignalNode<T>, newValue: T) {\n  if (!producerUpdatesAllowed()) {\n    throwInvalidWriteToSignalError(node);\n  }\n\n  if (!node.equal(node.value, newValue)) {\n    node.value = newValue;\n    signalValueChanged(node);\n  }\n}\n\nexport function signalUpdateFn<T>(node: SignalNode<T>, updater: (value: T) => T): void {\n  if (!producerUpdatesAllowed()) {\n    throwInvalidWriteToSignalError(node);\n  }\n\n  signalSetFn(node, updater(node.value));\n}\n\nexport function runPostSignalSetFn<T>(node: SignalNode<T>): void {\n  postSignalSetFn?.(node);\n}\n\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nexport const SIGNAL_NODE: SignalNode<unknown> = /* @__PURE__ */ (() => {\n  return {\n    ...REACTIVE_NODE,\n    equal: defaultEquals,\n    value: undefined,\n    kind: 'signal',\n  };\n})();\n\nfunction signalValueChanged<T>(node: SignalNode<T>): void {\n  node.version++;\n  producerIncrementEpoch();\n  producerNotifyConsumers(node);\n  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+{"version":3,"file":"signal.mjs","sources":["../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/graph.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/equality.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/computed.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/errors.ts","../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/signal.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\n/**\n * The currently active consumer `ReactiveNode`, if running code in a reactive context.\n *\n * Change this via `setActiveConsumer`.\n */\nlet activeConsumer: ReactiveNode | null = null;\nlet inNotificationPhase = false;\n\nexport type Version = number & {__brand: 'Version'};\n\n/**\n * Global epoch counter. Incremented whenever a source signal is set.\n */\nlet epoch: Version = 1 as Version;\n\nexport type ReactiveHookFn = (node: ReactiveNode) => void;\n\n/**\n * If set, called after a producer `ReactiveNode` is created.\n */\nlet postProducerCreatedFn: ReactiveHookFn | null = null;\n\n/**\n * Symbol used to tell `Signal`s apart from other functions.\n *\n * This can be used to auto-unwrap signals in various cases, or to auto-wrap non-signal values.\n */\nexport const SIGNAL: unique symbol = /* @__PURE__ */ Symbol('SIGNAL');\n\nexport function setActiveConsumer(consumer: ReactiveNode | null): ReactiveNode | null {\n  const prev = activeConsumer;\n  activeConsumer = consumer;\n  return prev;\n}\n\nexport function getActiveConsumer(): ReactiveNode | null {\n  return activeConsumer;\n}\n\nexport function isInNotificationPhase(): boolean {\n  return inNotificationPhase;\n}\n\nexport interface Reactive {\n  [SIGNAL]: ReactiveNode;\n}\n\nexport function isReactive(value: unknown): value is Reactive {\n  return (value as Partial<Reactive>)[SIGNAL] !== undefined;\n}\n\nexport const REACTIVE_NODE: ReactiveNode = {\n  version: 0 as Version,\n  lastCleanEpoch: 0 as Version,\n  dirty: false,\n  producers: undefined,\n  producersTail: undefined,\n  consumers: undefined,\n  consumersTail: undefined,\n  recomputing: false,\n  consumerAllowSignalWrites: false,\n  consumerIsAlwaysLive: false,\n  kind: 'unknown',\n  producerMustRecompute: () => false,\n  producerRecomputeValue: () => {},\n  consumerMarkedDirty: () => {},\n  consumerOnSignalRead: () => {},\n};\n\ninterface ReactiveLink {\n  producer: ReactiveNode;\n  consumer: ReactiveNode;\n  lastReadVersion: number;\n  prevConsumer: ReactiveLink | undefined;\n  nextConsumer: ReactiveLink | undefined;\n  nextProducer: ReactiveLink | undefined;\n}\n\n/**\n * A producer and/or consumer which participates in the reactive graph.\n *\n * Producer `ReactiveNode`s which are accessed when a consumer `ReactiveNode` is the\n * `activeConsumer` are tracked as dependencies of that consumer.\n *\n * Certain consumers are also tracked as \"live\" consumers and create edges in the other direction,\n * from producer to consumer. These edges are used to propagate change notifications when a\n * producer's value is updated.\n *\n * A `ReactiveNode` may be both a producer and consumer.\n */\nexport interface ReactiveNode {\n  /**\n   * Version of the value that this node produces.\n   *\n   * This is incremented whenever a new value is produced by this node which is not equal to the\n   * previous value (by whatever definition of equality is in use).\n   */\n  version: Version;\n\n  /**\n   * Epoch at which this node is verified to be clean.\n   *\n   * This allows skipping of some polling operations in the case where no signals have been set\n   * since this node was last read.\n   */\n  lastCleanEpoch: Version;\n\n  /**\n   * Whether this node (in its consumer capacity) is dirty.\n   *\n   * Only live consumers become dirty, when receiving a change notification from a dependency\n   * producer.\n   */\n  dirty: boolean;\n\n  /**\n   * Whether this node is currently rebuilding its producer list.\n   */\n  recomputing: boolean;\n\n  /**\n   * Producers which are dependencies of this consumer.\n   */\n  producers: ReactiveLink | undefined;\n\n  /**\n   * Points to the last linked list node in the `producers` linked list.\n   *\n   * When this node is recomputing, this is used to track the producers that we have accessed so far.\n   */\n  producersTail: ReactiveLink | undefined;\n\n  /**\n   * Linked list of consumers of this producer that are \"live\" (they require push notifications).\n   *\n   * The length of this list is effectively our reference count for this node.\n   */\n  consumers: ReactiveLink | undefined;\n  consumersTail: ReactiveLink | undefined;\n\n  /**\n   * Whether writes to signals are allowed when this consumer is the `activeConsumer`.\n   *\n   * This is used to enforce guardrails such as preventing writes to writable signals in the\n   * computation function of computed signals, which is supposed to be pure.\n   */\n  consumerAllowSignalWrites: boolean;\n\n  readonly consumerIsAlwaysLive: boolean;\n\n  /**\n   * Tracks whether producers need to recompute their value independently of the reactive graph (for\n   * example, if no initial value has been computed).\n   */\n  producerMustRecompute(node: unknown): boolean;\n  producerRecomputeValue(node: unknown): void;\n  consumerMarkedDirty(node: unknown): void;\n\n  /**\n   * Called when a signal is read within this consumer.\n   */\n  consumerOnSignalRead(node: unknown): void;\n\n  /**\n   * A debug name for the reactive node. Used in Angular DevTools to identify the node.\n   */\n  debugName?: string;\n\n  /**\n   * Kind of node. Example: 'signal', 'computed', 'input', 'effect'.\n   *\n   * ReactiveNode has this as 'unknown' by default, but derived node types should override this to\n   * make available the kind of signal that particular instance of a ReactiveNode represents.\n   *\n   * Used in Angular DevTools to identify the kind of signal.\n   */\n  kind: string;\n}\n\n/**\n * Called by implementations when a producer's signal is read.\n */\nexport function producerAccessed(node: ReactiveNode): void {\n  if (inNotificationPhase) {\n    throw new Error(\n      typeof ngDevMode !== 'undefined' && ngDevMode\n        ? `Assertion error: signal read during notification phase`\n        : '',\n    );\n  }\n\n  if (activeConsumer === null) {\n    // Accessed outside of a reactive context, so nothing to record.\n    return;\n  }\n\n  activeConsumer.consumerOnSignalRead(node);\n\n  const prevProducerLink = activeConsumer.producersTail;\n\n  // If the last producer we accessed is the same as the current one, we can skip adding a new\n  // link\n  if (prevProducerLink !== undefined && prevProducerLink.producer === node) {\n    return;\n  }\n\n  let nextProducerLink: ReactiveLink | undefined = undefined;\n  const isRecomputing = activeConsumer.recomputing;\n  if (isRecomputing) {\n    // If we're incrementally rebuilding the producers list, we want to check if the next producer\n    // in the list is the same as the one we're trying to add.\n\n    // If the previous producer is defined, then the next producer is just the one that follows it.\n    // Otherwise, we should check the head of the producers list (the first node that we accessed the last time this consumer was run).\n    nextProducerLink =\n      prevProducerLink !== undefined ? prevProducerLink.nextProducer : activeConsumer.producers;\n    if (nextProducerLink !== undefined && nextProducerLink.producer === node) {\n      // If the next producer is the same as the one we're trying to add, we can just update the\n      // last read version, update the tail of the producers list of this rerun, and return.\n      activeConsumer.producersTail = nextProducerLink;\n      nextProducerLink.lastReadVersion = node.version;\n      return;\n    }\n  }\n\n  const prevConsumerLink = node.consumersTail;\n\n  // If the producer we're accessing already has a link to this consumer, we can skip adding a new\n  // link. This can short circuit the creation of a new link in the case where the consumer reads alternating ReeactiveNodes\n  if (\n    prevConsumerLink !== undefined &&\n    prevConsumerLink.consumer === activeConsumer &&\n    // However, we have to make sure that the link we've discovered isn't from a node that is incrementally rebuilding its producer list\n    (!isRecomputing || isValidLink(prevConsumerLink, activeConsumer))\n  ) {\n    // If we found an existing link to the consumer we can just return.\n    return;\n  }\n\n  // If we got here, it means that we need to create a new link between the producer and the consumer.\n  const isLive = consumerIsLive(activeConsumer);\n  const newLink = {\n    producer: node,\n    consumer: activeConsumer,\n    // instead of eagerly destroying the previous link, we delay until we've finished recomputing\n    // the producers list, so that we can destroy all of the old links at once.\n    nextProducer: nextProducerLink,\n    prevConsumer: prevConsumerLink,\n    lastReadVersion: node.version,\n    nextConsumer: undefined,\n  };\n  activeConsumer.producersTail = newLink;\n  if (prevProducerLink !== undefined) {\n    prevProducerLink.nextProducer = newLink;\n  } else {\n    activeConsumer.producers = newLink;\n  }\n\n  if (isLive) {\n    producerAddLiveConsumer(node, newLink);\n  }\n}\n\n/**\n * Increment the global epoch counter.\n *\n * Called by source producers (that is, not computeds) whenever their values change.\n */\nexport function producerIncrementEpoch(): void {\n  epoch++;\n}\n\n/**\n * Ensure this producer's `version` is up-to-date.\n */\nexport function producerUpdateValueVersion(node: ReactiveNode): void {\n  if (consumerIsLive(node) && !node.dirty) {\n    // A live consumer will be marked dirty by producers, so a clean state means that its version\n    // is guaranteed to be up-to-date.\n    return;\n  }\n\n  if (!node.dirty && node.lastCleanEpoch === epoch) {\n    // Even non-live consumers can skip polling if they previously found themselves to be clean at\n    // the current epoch, since their dependencies could not possibly have changed (such a change\n    // would've increased the epoch).\n    return;\n  }\n\n  if (!node.producerMustRecompute(node) && !consumerPollProducersForChange(node)) {\n    // None of our producers report a change since the last time they were read, so no\n    // recomputation of our value is necessary, and we can consider ourselves clean.\n    producerMarkClean(node);\n    return;\n  }\n\n  node.producerRecomputeValue(node);\n\n  // After recomputing the value, we're no longer dirty.\n  producerMarkClean(node);\n}\n\n/**\n * Propagate a dirty notification to live consumers of this producer.\n */\nexport function producerNotifyConsumers(node: ReactiveNode): void {\n  if (node.consumers === undefined) {\n    return;\n  }\n\n  // Prevent signal reads when we're updating the graph\n  const prev = inNotificationPhase;\n  inNotificationPhase = true;\n  try {\n    for (\n      let link: ReactiveLink | undefined = node.consumers;\n      link !== undefined;\n      link = link.nextConsumer\n    ) {\n      const consumer = link.consumer;\n      if (!consumer.dirty) {\n        consumerMarkDirty(consumer);\n      }\n    }\n  } finally {\n    inNotificationPhase = prev;\n  }\n}\n\n/**\n * Whether this `ReactiveNode` in its producer capacity is currently allowed to initiate updates,\n * based on the current consumer context.\n */\nexport function producerUpdatesAllowed(): boolean {\n  return activeConsumer?.consumerAllowSignalWrites !== false;\n}\n\nexport function consumerMarkDirty(node: ReactiveNode): void {\n  node.dirty = true;\n  producerNotifyConsumers(node);\n  node.consumerMarkedDirty?.(node);\n}\n\nexport function producerMarkClean(node: ReactiveNode): void {\n  node.dirty = false;\n  node.lastCleanEpoch = epoch;\n}\n\n/**\n * Prepare this consumer to run a computation in its reactive context and set\n * it as the active consumer.\n *\n * Must be called by subclasses which represent reactive computations, before those computations\n * begin.\n */\nexport function consumerBeforeComputation(node: ReactiveNode | null): ReactiveNode | null {\n  if (node) resetConsumerBeforeComputation(node);\n\n  return setActiveConsumer(node);\n}\n\n/**\n * Prepare this consumer to run a computation in its reactive context.\n *\n * We expose this mainly for code where we manually batch effects into a single\n * consumer. In those cases we may wish to \"reopen\" a consumer multiple times\n * in initial render before finalizing it. Most code should just call\n * `consumerBeforeComputation` instead of calling this directly.\n */\nexport function resetConsumerBeforeComputation(node: ReactiveNode): void {\n  node.producersTail = undefined;\n  node.recomputing = true;\n}\n\n/**\n * Finalize this consumer's state and set previous consumer as the active consumer after a\n * reactive computation has run.\n *\n * Must be called by subclasses which represent reactive computations, after those computations\n * have finished.\n */\nexport function consumerAfterComputation(\n  node: ReactiveNode | null,\n  prevConsumer: ReactiveNode | null,\n): void {\n  setActiveConsumer(prevConsumer);\n\n  if (node) finalizeConsumerAfterComputation(node);\n}\n\n/**\n * Finalize this consumer's state after a reactive computation has run.\n *\n * We expose this mainly for code where we manually batch effects into a single\n * consumer. In those cases we may wish to \"reopen\" a consumer multiple times\n * in initial render before finalizing it. Most code should just call\n * `consumerAfterComputation` instead of calling this directly.\n */\nexport function finalizeConsumerAfterComputation(node: ReactiveNode): void {\n  node.recomputing = false;\n\n  // We've finished incrementally rebuilding the producers list, now if there are any producers\n  // that are after producersTail, they are stale and should be removed.\n  const producersTail = node.producersTail as ReactiveLink | undefined;\n  let toRemove = producersTail !== undefined ? producersTail.nextProducer : node.producers;\n  if (toRemove !== undefined) {\n    if (consumerIsLive(node)) {\n      // For each stale link, we first unlink it from the producers list of consumers\n      do {\n        toRemove = producerRemoveLiveConsumerLink(toRemove);\n      } while (toRemove !== undefined);\n    }\n\n    // Now, we can truncate the producers list to remove all stale links.\n    if (producersTail !== undefined) {\n      producersTail.nextProducer = undefined;\n    } else {\n      node.producers = undefined;\n    }\n  }\n}\n\n/**\n * Determine whether this consumer has any dependencies which have changed since the last time\n * they were read.\n */\nexport function consumerPollProducersForChange(node: ReactiveNode): boolean {\n  // Poll producers for change.\n  for (let link = node.producers; link !== undefined; link = link.nextProducer) {\n    const producer = link.producer;\n    const seenVersion = link.lastReadVersion;\n\n    // First check the versions. A mismatch means that the producer's value is known to have\n    // changed since the last time we read it.\n    if (seenVersion !== producer.version) {\n      return true;\n    }\n\n    // The producer's version is the same as the last time we read it, but it might itself be\n    // stale. Force the producer to recompute its version (calculating a new value if necessary).\n    producerUpdateValueVersion(producer);\n\n    // Now when we do this check, `producer.version` is guaranteed to be up to date, so if the\n    // versions still match then it has not changed since the last time we read it.\n    if (seenVersion !== producer.version) {\n      return true;\n    }\n  }\n\n  return false;\n}\n\n/**\n * Disconnect this consumer from the graph.\n */\nexport function consumerDestroy(node: ReactiveNode): void {\n  if (consumerIsLive(node)) {\n    // Drop all connections from the graph to this node.\n    let link = node.producers;\n    while (link !== undefined) {\n      link = producerRemoveLiveConsumerLink(link);\n    }\n  }\n\n  // Truncate all the linked lists to drop all connection from this node to the graph.\n  node.producers = undefined;\n  node.producersTail = undefined;\n  node.consumers = undefined;\n  node.consumersTail = undefined;\n}\n\n/**\n * Add `consumer` as a live consumer of this node.\n *\n * Note that this operation is potentially transitive. If this node becomes live, then it becomes\n * a live consumer of all of its current producers.\n */\nfunction producerAddLiveConsumer(node: ReactiveNode, link: ReactiveLink): void {\n  const consumersTail = node.consumersTail;\n  const wasLive = consumerIsLive(node);\n  if (consumersTail !== undefined) {\n    link.nextConsumer = consumersTail.nextConsumer;\n    consumersTail.nextConsumer = link;\n  } else {\n    link.nextConsumer = undefined;\n    node.consumers = link;\n  }\n  link.prevConsumer = consumersTail;\n  node.consumersTail = link;\n  if (!wasLive) {\n    for (\n      let link: ReactiveLink | undefined = node.producers;\n      link !== undefined;\n      link = link.nextProducer\n    ) {\n      producerAddLiveConsumer(link.producer, link);\n    }\n  }\n}\n\nfunction producerRemoveLiveConsumerLink(link: ReactiveLink): ReactiveLink | undefined {\n  const producer = link.producer;\n  const nextProducer = link.nextProducer;\n  const nextConsumer = link.nextConsumer;\n  const prevConsumer = link.prevConsumer;\n  link.nextConsumer = undefined;\n  link.prevConsumer = undefined;\n  if (nextConsumer !== undefined) {\n    nextConsumer.prevConsumer = prevConsumer;\n  } else {\n    producer.consumersTail = prevConsumer;\n  }\n  if (prevConsumer !== undefined) {\n    prevConsumer.nextConsumer = nextConsumer;\n  } else {\n    producer.consumers = nextConsumer;\n    if (!consumerIsLive(producer)) {\n      let producerLink = producer.producers;\n      while (producerLink !== undefined) {\n        producerLink = producerRemoveLiveConsumerLink(producerLink);\n      }\n    }\n  }\n  return nextProducer;\n}\n\nfunction consumerIsLive(node: ReactiveNode): boolean {\n  return node.consumerIsAlwaysLive || node.consumers !== undefined;\n}\n\nexport function runPostProducerCreatedFn(node: ReactiveNode): void {\n  postProducerCreatedFn?.(node);\n}\n\nexport function setPostProducerCreatedFn(fn: ReactiveHookFn | null): ReactiveHookFn | null {\n  const prev = postProducerCreatedFn;\n  postProducerCreatedFn = fn;\n  return prev;\n}\n\n// While a ReactiveNode is recomputing, it may not have destroyed previous links\n// This allows us to check if a given link will be destroyed by a reactivenode if it were to finish running immediately without accesing any more producers\nfunction isValidLink(checkLink: ReactiveLink, consumer: ReactiveNode): boolean {\n  const producersTail = consumer.producersTail;\n  if (producersTail !== undefined) {\n    let link = consumer.producers!;\n    do {\n      if (link === checkLink) {\n        return true;\n      }\n      if (link === producersTail) {\n        break;\n      }\n      link = link.nextProducer!;\n    } while (link !== undefined);\n  }\n  return false;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\n/**\n * A comparison function which can determine if two values are equal.\n */\nexport type ValueEqualityFn<T> = (a: T, b: T) => boolean;\n\n/**\n * The default equality function used for `signal` and `computed`, which uses referential equality.\n */\nexport function defaultEquals<T>(a: T, b: T) {\n  return Object.is(a, b);\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {defaultEquals, ValueEqualityFn} from './equality';\nimport {\n  consumerAfterComputation,\n  consumerBeforeComputation,\n  producerAccessed,\n  producerUpdateValueVersion,\n  REACTIVE_NODE,\n  ReactiveNode,\n  setActiveConsumer,\n  SIGNAL,\n  runPostProducerCreatedFn,\n} from './graph';\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\n/**\n * A computation, which derives a value from a declarative reactive expression.\n *\n * `Computed`s are both producers and consumers of reactivity.\n */\nexport interface ComputedNode<T> extends ReactiveNode {\n  /**\n   * Current value of the computation, or one of the sentinel values above (`UNSET`, `COMPUTING`,\n   * `ERROR`).\n   */\n  value: T;\n\n  /**\n   * If `value` is `ERRORED`, the error caught from the last computation attempt which will\n   * be re-thrown.\n   */\n  error: unknown;\n\n  /**\n   * The computation function which will produce a new value.\n   */\n  computation: () => T;\n\n  equal: ValueEqualityFn<T>;\n}\n\nexport type ComputedGetter<T> = (() => T) & {\n  [SIGNAL]: ComputedNode<T>;\n};\n\n/**\n * Create a computed signal which derives a reactive value from an expression.\n */\nexport function createComputed<T>(\n  computation: () => T,\n  equal?: ValueEqualityFn<T>,\n): ComputedGetter<T> {\n  const node: ComputedNode<T> = Object.create(COMPUTED_NODE);\n  node.computation = computation;\n\n  if (equal !== undefined) {\n    node.equal = equal;\n  }\n\n  const computed = () => {\n    // Check if the value needs updating before returning it.\n    producerUpdateValueVersion(node);\n\n    // Record that someone looked at this signal.\n    producerAccessed(node);\n\n    if (node.value === ERRORED) {\n      throw node.error;\n    }\n\n    return node.value;\n  };\n\n  (computed as ComputedGetter<T>)[SIGNAL] = node;\n  if (typeof ngDevMode !== 'undefined' && ngDevMode) {\n    const debugName = node.debugName ? ' (' + node.debugName + ')' : '';\n    computed.toString = () => `[Computed${debugName}: ${node.value}]`;\n  }\n\n  runPostProducerCreatedFn(node);\n\n  return computed as unknown as ComputedGetter<T>;\n}\n\n/**\n * A dedicated symbol used before a computed value has been calculated for the first time.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nexport const UNSET: any = /* @__PURE__ */ Symbol('UNSET');\n\n/**\n * A dedicated symbol used in place of a computed signal value to indicate that a given computation\n * is in progress. Used to detect cycles in computation chains.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nexport const COMPUTING: any = /* @__PURE__ */ Symbol('COMPUTING');\n\n/**\n * A dedicated symbol used in place of a computed signal value to indicate that a given computation\n * failed. The thrown error is cached until the computation gets dirty again.\n * Explicitly typed as `any` so we can use it as signal's value.\n */\nexport const ERRORED: any = /* @__PURE__ */ Symbol('ERRORED');\n\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nconst COMPUTED_NODE = /* @__PURE__ */ (() => {\n  return {\n    ...REACTIVE_NODE,\n    value: UNSET,\n    dirty: true,\n    error: null,\n    equal: defaultEquals,\n    kind: 'computed',\n\n    producerMustRecompute(node: ComputedNode<unknown>): boolean {\n      // Force a recomputation if there's no current value, or if the current value is in the\n      // process of being calculated (which should throw an error).\n      return node.value === UNSET || node.value === COMPUTING;\n    },\n\n    producerRecomputeValue(node: ComputedNode<unknown>): void {\n      if (node.value === COMPUTING) {\n        // Our computation somehow led to a cyclic read of itself.\n        throw new Error(\n          typeof ngDevMode !== 'undefined' && ngDevMode ? 'Detected cycle in computations.' : '',\n        );\n      }\n\n      const oldValue = node.value;\n      node.value = COMPUTING;\n\n      const prevConsumer = consumerBeforeComputation(node);\n      let newValue: unknown;\n      let wasEqual = false;\n      try {\n        newValue = node.computation();\n        // We want to mark this node as errored if calling `equal` throws; however, we don't want\n        // to track any reactive reads inside `equal`.\n        setActiveConsumer(null);\n        wasEqual =\n          oldValue !== UNSET &&\n          oldValue !== ERRORED &&\n          newValue !== ERRORED &&\n          node.equal(oldValue, newValue);\n      } catch (err) {\n        newValue = ERRORED;\n        node.error = err;\n      } finally {\n        consumerAfterComputation(node, prevConsumer);\n      }\n\n      if (wasEqual) {\n        // No change to `valueVersion` - old and new values are\n        // semantically equivalent.\n        node.value = oldValue;\n        return;\n      }\n\n      node.value = newValue;\n      node.version++;\n    },\n  };\n})();\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport type {SignalNode} from './signal';\n\nfunction defaultThrowError(): never {\n  throw new Error();\n}\n\nlet throwInvalidWriteToSignalErrorFn: <T>(node: SignalNode<T>) => never = defaultThrowError;\n\nexport function throwInvalidWriteToSignalError<T>(node: SignalNode<T>) {\n  throwInvalidWriteToSignalErrorFn(node);\n}\n\nexport function setThrowInvalidWriteToSignalError(fn: <T>(node: SignalNode<T>) => never): void {\n  throwInvalidWriteToSignalErrorFn = fn;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {defaultEquals, ValueEqualityFn} from './equality';\nimport {throwInvalidWriteToSignalError} from './errors';\nimport {\n  producerAccessed,\n  producerIncrementEpoch,\n  producerNotifyConsumers,\n  producerUpdatesAllowed,\n  REACTIVE_NODE,\n  ReactiveNode,\n  ReactiveHookFn,\n  runPostProducerCreatedFn,\n  SIGNAL,\n} from './graph';\n\n// Required as the signals library is in a separate package, so we need to explicitly ensure the\n// global `ngDevMode` type is defined.\ndeclare const ngDevMode: boolean | undefined;\n\n/**\n * If set, called after `WritableSignal`s are updated.\n *\n * This hook can be used to achieve various effects, such as running effects synchronously as part\n * of setting a signal.\n */\nlet postSignalSetFn: ReactiveHookFn | null = null;\n\nexport interface SignalNode<T> extends ReactiveNode {\n  value: T;\n  equal: ValueEqualityFn<T>;\n}\n\nexport type SignalBaseGetter<T> = (() => T) & {readonly [SIGNAL]: unknown};\nexport type SignalSetter<T> = (newValue: T) => void;\nexport type SignalUpdater<T> = (updateFn: (value: T) => T) => void;\n\n// Note: Closure *requires* this to be an `interface` and not a type, which is why the\n// `SignalBaseGetter` type exists to provide the correct shape.\nexport interface SignalGetter<T> extends SignalBaseGetter<T> {\n  readonly [SIGNAL]: SignalNode<T>;\n}\n\n/**\n * Creates a `Signal` getter, setter, and updater function.\n */\nexport function createSignal<T>(\n  initialValue: T,\n  equal?: ValueEqualityFn<T>,\n): [SignalGetter<T>, SignalSetter<T>, SignalUpdater<T>] {\n  const node: SignalNode<T> = Object.create(SIGNAL_NODE);\n  node.value = initialValue;\n  if (equal !== undefined) {\n    node.equal = equal;\n  }\n  const getter = (() => signalGetFn(node)) as SignalGetter<T>;\n  (getter as any)[SIGNAL] = node;\n  if (typeof ngDevMode !== 'undefined' && ngDevMode) {\n    const debugName = node.debugName ? ' (' + node.debugName + ')' : '';\n    getter.toString = () => `[Signal${debugName}: ${node.value}]`;\n  }\n\n  runPostProducerCreatedFn(node);\n  const set = (newValue: T) => signalSetFn(node, newValue);\n  const update = (updateFn: (value: T) => T) => signalUpdateFn(node, updateFn);\n  return [getter, set, update];\n}\n\nexport function setPostSignalSetFn(fn: ReactiveHookFn | null): ReactiveHookFn | null {\n  const prev = postSignalSetFn;\n  postSignalSetFn = fn;\n  return prev;\n}\n\nexport function signalGetFn<T>(node: SignalNode<T>): T {\n  producerAccessed(node);\n  return node.value;\n}\n\nexport function signalSetFn<T>(node: SignalNode<T>, newValue: T) {\n  if (!producerUpdatesAllowed()) {\n    throwInvalidWriteToSignalError(node);\n  }\n\n  if (!node.equal(node.value, newValue)) {\n    node.value = newValue;\n    signalValueChanged(node);\n  }\n}\n\nexport function signalUpdateFn<T>(node: SignalNode<T>, updater: (value: T) => T): void {\n  if (!producerUpdatesAllowed()) {\n    throwInvalidWriteToSignalError(node);\n  }\n\n  signalSetFn(node, updater(node.value));\n}\n\nexport function runPostSignalSetFn<T>(node: SignalNode<T>): void {\n  postSignalSetFn?.(node);\n}\n\n// Note: Using an IIFE here to ensure that the spread assignment is not considered\n// a side-effect, ending up preserving `COMPUTED_NODE` and `REACTIVE_NODE`.\n// TODO: remove when https://github.com/evanw/esbuild/issues/3392 is resolved.\nexport const SIGNAL_NODE: SignalNode<unknown> = /* @__PURE__ */ (() => {\n  return {\n    ...REACTIVE_NODE,\n    equal: defaultEquals,\n    value: undefined,\n    kind: 'signal',\n  };\n})();\n\nfunction signalValueChanged<T>(node: SignalNode<T>): void {\n  node.version++;\n  producerIncrementEpoch();\n  producerNotifyConsumers(node);\n  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fesm2022/weak_ref.mjs

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

fesm2022/weak_ref.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"weak_ref.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/weak_ref.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nexport function setAlternateWeakRefImpl(impl: unknown) {\n  // TODO: remove this function\n}\n"],"names":[],"mappings":";;;;;;AAQM,SAAU,uBAAuB,CAAC,IAAa,EAAA;;AAErD;;;;"}
+{"version":3,"file":"weak_ref.mjs","sources":["../../../../../k8-fastbuild-ST-199a4f3c4e20/bin/packages/core/primitives/signals/src/weak_ref.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nexport function setAlternateWeakRefImpl(impl: unknown) {\n  // TODO: remove this function\n}\n"],"names":[],"mappings":";;;;;;AAQM,SAAU,uBAAuB,CAAC,IAAa,EAAA;;AAErD;;;;"}

formatter.d.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

package.json

 {
   "name": "@angular/core",
-  "version": "20.3.24",
+  "version": "20.3.25",
   "description": "Angular - the core framework",
@@ -49,3 +49,3 @@ "author": "angular",
   "peerDependencies": {
-    "@angular/compiler": "20.3.24",
+    "@angular/compiler": "20.3.25",
     "rxjs": "^6.5.3 || ^7.4.0",
@@ -52,0 +52,0 @@ "zone.js": "~0.15.0"

primitives/di/index.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

primitives/event-dispatch/index.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

primitives/signals/index.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

rxjs-interop/index.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

schematics/bundles/add-bootstrap-context-to-server-main.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -11,8 +11,8 @@ * License: MIT
 require('node:path/posix');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
 var ts = require('typescript');
 require('os');
-var apply_import_manager = require('./apply_import_manager-C982ZXvl.cjs');
-require('./index-A4EF2fnp.cjs');
+var apply_import_manager = require('./apply_import_manager-B07hvMke.cjs');
+require('./index-BXTnqAYJ.cjs');
 require('path');
@@ -19,0 +19,0 @@ require('node:path');

schematics/bundles/cleanup-unused-imports.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -11,10 +11,10 @@ * License: MIT
 require('node:path/posix');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
 var ts = require('typescript');
 require('os');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
-var index = require('./index-A4EF2fnp.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+var index = require('./index-BXTnqAYJ.cjs');
 require('path');
 require('node:path');
-var apply_import_manager = require('./apply_import_manager-C982ZXvl.cjs');
+var apply_import_manager = require('./apply_import_manager-B07hvMke.cjs');
 require('@angular-devkit/schematics');
@@ -21,0 +21,0 @@ require('fs');

schematics/bundles/document-core.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -9,10 +9,10 @@ * License: MIT
 
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
 require('typescript');
 require('os');
-var apply_import_manager = require('./apply_import_manager-C982ZXvl.cjs');
-require('./index-A4EF2fnp.cjs');
+var apply_import_manager = require('./apply_import_manager-B07hvMke.cjs');
+require('./index-BXTnqAYJ.cjs');
 require('path');
 require('node:path');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
 var imports = require('./imports-CIX-JgAN.cjs');
@@ -19,0 +19,0 @@ require('@angular-devkit/core');

schematics/bundles/imports-CIX-JgAN.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -5,0 +5,0 @@ * License: MIT

schematics/bundles/inject-flags.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -11,8 +11,8 @@ * License: MIT
 require('os');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
-require('./index-A4EF2fnp.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+require('./index-BXTnqAYJ.cjs');
 require('path');
 require('node:path');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
-var apply_import_manager = require('./apply_import_manager-C982ZXvl.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
+var apply_import_manager = require('./apply_import_manager-B07hvMke.cjs');
 var imports = require('./imports-CIX-JgAN.cjs');
@@ -19,0 +19,0 @@ require('@angular-devkit/core');

schematics/bundles/inject-migration.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -11,3 +11,3 @@ * License: MIT
 var p = require('path');
-var compiler_host = require('./compiler_host-guFX68yD.cjs');
+var compiler_host = require('./compiler_host-h0Gs3Ohk.cjs');
 var ts = require('typescript');
@@ -18,3 +18,3 @@ var ng_decorators = require('./ng_decorators-B5HCqr20.cjs');
 var leading_space = require('./leading_space-D9nQ8UQC.cjs');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
 require('os');
@@ -21,0 +21,0 @@ require('fs');

schematics/bundles/leading_space-D9nQ8UQC.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -5,0 +5,0 @@ * License: MIT

schematics/bundles/ng_decorators-B5HCqr20.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -5,0 +5,0 @@ * License: MIT

schematics/bundles/nodes-B16H9JUd.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -5,0 +5,0 @@ * License: MIT

schematics/bundles/output-migration.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -11,9 +11,9 @@ * License: MIT
 require('os');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
-var index$1 = require('./index-A4EF2fnp.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+var index$1 = require('./index-BXTnqAYJ.cjs');
 require('path');
 require('node:path');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
-var apply_import_manager = require('./apply_import_manager-C982ZXvl.cjs');
-var index = require('./index-BXLjBnQw.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
+var apply_import_manager = require('./apply_import_manager-B07hvMke.cjs');
+var index = require('./index-BBy3Kkj5.cjs');
 require('@angular-devkit/core');
@@ -20,0 +20,0 @@ require('node:path/posix');

schematics/bundles/property_name-BBwFuqMe.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -5,0 +5,0 @@ * License: MIT

schematics/bundles/route-lazy-loading.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -12,4 +12,4 @@ * License: MIT
 var p = require('path');
-var compiler_host = require('./compiler_host-guFX68yD.cjs');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
+var compiler_host = require('./compiler_host-h0Gs3Ohk.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
 var ts = require('typescript');
@@ -16,0 +16,0 @@ var property_name = require('./property_name-BBwFuqMe.cjs');

schematics/bundles/router-current-navigation.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -11,7 +11,7 @@ * License: MIT
 require('os');
-require('./project_tsconfig_paths-D0pvNjuF.cjs');
-require('./index-A4EF2fnp.cjs');
+require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+require('./index-BXTnqAYJ.cjs');
 require('path');
 require('node:path');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
 var imports = require('./imports-CIX-JgAN.cjs');
@@ -18,0 +18,0 @@ var symbol = require('./symbol-VPWguRxr.cjs');

schematics/bundles/self-closing-tags-migration.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -11,7 +11,7 @@ * License: MIT
 require('os');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
-require('./index-A4EF2fnp.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+require('./index-BXTnqAYJ.cjs');
 require('path');
 require('node:path');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
 var ng_decorators = require('./ng_decorators-B5HCqr20.cjs');
@@ -18,0 +18,0 @@ var property_name = require('./property_name-BBwFuqMe.cjs');

schematics/bundles/signal-queries-migration.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -9,14 +9,14 @@ * License: MIT
 
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
+var project_tsconfig_paths = require('./project_tsconfig_paths-Cu6YNBK3.cjs');
 var ts = require('typescript');
 require('os');
-var index$1 = require('./index-A4EF2fnp.cjs');
+var index$1 = require('./index-BXTnqAYJ.cjs');
 require('path');
 require('node:path');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
-var apply_import_manager = require('./apply_import_manager-C982ZXvl.cjs');
-var migrate_ts_type_references = require('./migrate_ts_type_references-OiEqT4D1.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
+var apply_import_manager = require('./apply_import_manager-B07hvMke.cjs');
+var migrate_ts_type_references = require('./migrate_ts_type_references-c8XZpNmt.cjs');
 var assert = require('assert');
 require('node:assert');
-var index = require('./index-BXLjBnQw.cjs');
+var index = require('./index-BBy3Kkj5.cjs');
 require('@angular-devkit/core');
@@ -23,0 +23,0 @@ require('node:path/posix');

schematics/bundles/signals.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -13,3 +13,3 @@ * License: MIT
 var outputMigration = require('./output-migration.cjs');
-require('./project_tsconfig_paths-D0pvNjuF.cjs');
+require('./project_tsconfig_paths-Cu6YNBK3.cjs');
 require('typescript');
@@ -22,10 +22,10 @@ require('os');
 require('@angular-devkit/core');
-require('./index-A4EF2fnp.cjs');
+require('./index-BXTnqAYJ.cjs');
 require('node:path');
-require('./project_paths-Bq1nFirc.cjs');
+require('./project_paths-CLp-3Ycc.cjs');
 require('node:path/posix');
-require('./apply_import_manager-C982ZXvl.cjs');
-require('./migrate_ts_type_references-OiEqT4D1.cjs');
+require('./apply_import_manager-B07hvMke.cjs');
+require('./migrate_ts_type_references-c8XZpNmt.cjs');
 require('assert');
-require('./index-BXLjBnQw.cjs');
+require('./index-BBy3Kkj5.cjs');
 require('./leading_space-D9nQ8UQC.cjs');
@@ -32,0 +32,0 @@ require('node:assert');

schematics/bundles/symbol-VPWguRxr.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -5,0 +5,0 @@ * License: MIT

schematics/bundles/test-bed-get.cjs

 'use strict';
 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.io/
@@ -11,7 +11,7 @@ * License: MIT
 require('os');
-require('./project_tsconfig_paths-D0pvNjuF.cjs');
-require('./index-A4EF2fnp.cjs');
+require('./project_tsconfig_paths-Cu6YNBK3.cjs');
+require('./index-BXTnqAYJ.cjs');
 require('path');
 require('node:path');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
+var project_paths = require('./project_paths-CLp-3Ycc.cjs');
 var imports = require('./imports-CIX-JgAN.cjs');
@@ -18,0 +18,0 @@ var symbol = require('./symbol-VPWguRxr.cjs');

testing/index.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

weak_ref.d.d.ts

 /**
- * @license Angular v20.3.24
+ * @license Angular v20.3.25
  * (c) 2010-2025 Google LLC. https://angular.dev/
@@ -4,0 +4,0 @@ * License: MIT

schematics/bundles/apply_import_manager-C982ZXvl.cjs

-'use strict';
-/**
- * @license Angular v20.3.24
- * (c) 2010-2025 Google LLC. https://angular.io/
- * License: MIT
- */
-'use strict';
-
-var ts = require('typescript');
-require('os');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
-
-/**
- * Applies import manager changes, and writes them as replacements the
- * given result array.
- */
-function applyImportManagerChanges(importManager, replacements, sourceFiles, info) {
-    const { newImports, updatedImports, deletedImports } = importManager.finalize();
-    const printer = ts.createPrinter({});
-    const pathToFile = new Map(sourceFiles.map((s) => [s.fileName, s]));
-    // Capture new imports
-    newImports.forEach((newImports, fileName) => {
-        newImports.forEach((newImport) => {
-            const printedImport = printer.printNode(ts.EmitHint.Unspecified, newImport, pathToFile.get(fileName));
-            replacements.push(new project_paths.Replacement(project_paths.projectFile(project_tsconfig_paths.absoluteFrom(fileName), info), new project_paths.TextUpdate({ position: 0, end: 0, toInsert: `${printedImport}\n` })));
-        });
-    });
-    // Capture updated imports
-    for (const [oldBindings, newBindings] of updatedImports.entries()) {
-        // The import will be generated as multi-line if it already is multi-line,
-        // or if the number of elements significantly increased and it previously
-        // consisted of very few specifiers.
-        const isMultiline = oldBindings.getText().includes('\n') ||
-            (newBindings.elements.length >= 6 && oldBindings.elements.length <= 3);
-        const hasSpaceBetweenBraces = oldBindings.getText().startsWith('{ ');
-        let formatFlags = ts.ListFormat.NamedImportsOrExportsElements |
-            ts.ListFormat.Indented |
-            ts.ListFormat.Braces |
-            ts.ListFormat.PreserveLines |
-            (isMultiline ? ts.ListFormat.MultiLine : ts.ListFormat.SingleLine);
-        if (hasSpaceBetweenBraces) {
-            formatFlags |= ts.ListFormat.SpaceBetweenBraces;
-        }
-        else {
-            formatFlags &= ~ts.ListFormat.SpaceBetweenBraces;
-        }
-        const printedBindings = printer.printList(formatFlags, newBindings.elements, oldBindings.getSourceFile());
-        replacements.push(new project_paths.Replacement(project_paths.projectFile(oldBindings.getSourceFile(), info), new project_paths.TextUpdate({
-            position: oldBindings.getStart(),
-            end: oldBindings.getEnd(),
-            // TS uses four spaces as indent. We migrate to two spaces as we
-            // assume this to be more common.
-            toInsert: printedBindings.replace(/^ {4}/gm, '  '),
-        })));
-    }
-    // Update removed imports
-    for (const removedImport of deletedImports) {
-        replacements.push(new project_paths.Replacement(project_paths.projectFile(removedImport.getSourceFile(), info), new project_paths.TextUpdate({
-            position: removedImport.getStart(),
-            end: removedImport.getEnd(),
-            toInsert: '',
-        })));
-    }
-}
-
-exports.applyImportManagerChanges = applyImportManagerChanges;

schematics/bundles/compiler_host-guFX68yD.cjs

-'use strict';
-/**
- * @license Angular v20.3.24
- * (c) 2010-2025 Google LLC. https://angular.io/
- * License: MIT
- */
-'use strict';
-
-var ts = require('typescript');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
-require('os');
-var p = require('path');
-
-function _interopNamespaceDefault(e) {
-    var n = Object.create(null);
-    if (e) {
-        Object.keys(e).forEach(function (k) {
-            if (k !== 'default') {
-                var d = Object.getOwnPropertyDescriptor(e, k);
-                Object.defineProperty(n, k, d.get ? d : {
-                    enumerable: true,
-                    get: function () { return e[k]; }
-                });
-            }
-        });
-    }
-    n.default = e;
-    return Object.freeze(n);
-}
-
-var p__namespace = /*#__PURE__*/_interopNamespaceDefault(p);
-
-/** Tracks changes that have to be made for specific files. */
-class ChangeTracker {
-    _printer;
-    _importRemapper;
-    _changes = new Map();
-    _importManager;
-    _quotesCache = new WeakMap();
-    constructor(_printer, _importRemapper) {
-        this._printer = _printer;
-        this._importRemapper = _importRemapper;
-        this._importManager = new project_tsconfig_paths.ImportManager({
-            shouldUseSingleQuotes: (file) => this._getQuoteKind(file) === 0 /* QuoteKind.SINGLE */,
-        });
-    }
-    /**
-     * Tracks the insertion of some text.
-     * @param sourceFile File in which the text is being inserted.
-     * @param start Index at which the text is insert.
-     * @param text Text to be inserted.
-     */
-    insertText(sourceFile, index, text) {
-        this._trackChange(sourceFile, { start: index, text });
-    }
-    /**
-     * Replaces text within a file.
-     * @param sourceFile File in which to replace the text.
-     * @param start Index from which to replace the text.
-     * @param removeLength Length of the text being replaced.
-     * @param text Text to be inserted instead of the old one.
-     */
-    replaceText(sourceFile, start, removeLength, text) {
-        this._trackChange(sourceFile, { start, removeLength, text });
-    }
-    /**
-     * Replaces the text of an AST node with a new one.
-     * @param oldNode Node to be replaced.
-     * @param newNode New node to be inserted.
-     * @param emitHint Hint when formatting the text of the new node.
-     * @param sourceFileWhenPrinting File to use when printing out the new node. This is important
-     * when copying nodes from one file to another, because TypeScript might not output literal nodes
-     * without it.
-     */
-    replaceNode(oldNode, newNode, emitHint = ts.EmitHint.Unspecified, sourceFileWhenPrinting) {
-        const sourceFile = oldNode.getSourceFile();
-        this.replaceText(sourceFile, oldNode.getStart(), oldNode.getWidth(), this._printer.printNode(emitHint, newNode, sourceFileWhenPrinting || sourceFile));
-    }
-    /**
-     * Removes the text of an AST node from a file.
-     * @param node Node whose text should be removed.
-     * @param useFullOffsets Whether to remove the node using its full offset (e.g. `getFullStart`
-     * rather than `fullStart`). This has the advantage of removing any comments that may be tied
-     * to the node, but can lead to too much code being deleted.
-     */
-    removeNode(node, useFullOffsets = false) {
-        this._trackChange(node.getSourceFile(), {
-            start: useFullOffsets ? node.getFullStart() : node.getStart(),
-            removeLength: useFullOffsets ? node.getFullWidth() : node.getWidth(),
-            text: '',
-        });
-    }
-    /**
-     * Adds an import to a file.
-     * @param sourceFile File to which to add the import.
-     * @param symbolName Symbol being imported.
-     * @param moduleName Module from which the symbol is imported.
-     * @param alias Alias to use for the import.
-     */
-    addImport(sourceFile, symbolName, moduleName, alias) {
-        if (this._importRemapper) {
-            moduleName = this._importRemapper(moduleName, sourceFile.fileName);
-        }
-        // It's common for paths to be manipulated with Node's `path` utilties which
-        // can yield a path with back slashes. Normalize them since outputting such
-        // paths will also cause TS to escape the forward slashes.
-        moduleName = normalizePath(moduleName);
-        if (!this._changes.has(sourceFile)) {
-            this._changes.set(sourceFile, []);
-        }
-        return this._importManager.addImport({
-            requestedFile: sourceFile,
-            exportSymbolName: symbolName,
-            exportModuleSpecifier: moduleName,
-            unsafeAliasOverride: alias,
-        });
-    }
-    /**
-     * Removes an import from a file.
-     * @param sourceFile File from which to remove the import.
-     * @param symbolName Original name of the symbol to be removed. Used even if the import is aliased.
-     * @param moduleName Module from which the symbol is imported.
-     */
-    removeImport(sourceFile, symbolName, moduleName) {
-        // It's common for paths to be manipulated with Node's `path` utilties which
-        // can yield a path with back slashes. Normalize them since outputting such
-        // paths will also cause TS to escape the forward slashes.
-        moduleName = normalizePath(moduleName);
-        if (!this._changes.has(sourceFile)) {
-            this._changes.set(sourceFile, []);
-        }
-        this._importManager.removeImport(sourceFile, symbolName, moduleName);
-    }
-    /**
-     * Gets the changes that should be applied to all the files in the migration.
-     * The changes are sorted in the order in which they should be applied.
-     */
-    recordChanges() {
-        this._recordImports();
-        return this._changes;
-    }
-    /**
-     * Clear the tracked changes
-     */
-    clearChanges() {
-        this._changes.clear();
-    }
-    /**
-     * Adds a change to a `ChangesByFile` map.
-     * @param file File that the change is associated with.
-     * @param change Change to be added.
-     */
-    _trackChange(file, change) {
-        const changes = this._changes.get(file);
-        if (changes) {
-            // Insert the changes in reverse so that they're applied in reverse order.
-            // This ensures that the offsets of subsequent changes aren't affected by
-            // previous changes changing the file's text.
-            const insertIndex = changes.findIndex((current) => current.start <= change.start);
-            if (insertIndex === -1) {
-                changes.push(change);
-            }
-            else {
-                changes.splice(insertIndex, 0, change);
-            }
-        }
-        else {
-            this._changes.set(file, [change]);
-        }
-    }
-    /** Determines what kind of quotes to use for a specific file. */
-    _getQuoteKind(sourceFile) {
-        if (this._quotesCache.has(sourceFile)) {
-            return this._quotesCache.get(sourceFile);
-        }
-        let kind = 0 /* QuoteKind.SINGLE */;
-        for (const statement of sourceFile.statements) {
-            if (ts.isImportDeclaration(statement) && ts.isStringLiteral(statement.moduleSpecifier)) {
-                kind = statement.moduleSpecifier.getText()[0] === '"' ? 1 /* QuoteKind.DOUBLE */ : 0 /* QuoteKind.SINGLE */;
-                this._quotesCache.set(sourceFile, kind);
-                break;
-            }
-        }
-        return kind;
-    }
-    /** Records the pending import changes from the import manager. */
-    _recordImports() {
-        const { newImports, updatedImports, deletedImports } = this._importManager.finalize();
-        for (const [original, replacement] of updatedImports) {
-            this.replaceNode(original, replacement);
-        }
-        for (const node of deletedImports) {
-            this.removeNode(node);
-        }
-        for (const [sourceFile] of this._changes) {
-            const importsToAdd = newImports.get(sourceFile.fileName);
-            if (!importsToAdd) {
-                continue;
-            }
-            const importLines = [];
-            let lastImport = null;
-            for (const statement of sourceFile.statements) {
-                if (ts.isImportDeclaration(statement)) {
-                    lastImport = statement;
-                }
-            }
-            for (const decl of importsToAdd) {
-                importLines.push(this._printer.printNode(ts.EmitHint.Unspecified, decl, sourceFile));
-            }
-            this.insertText(sourceFile, lastImport ? lastImport.getEnd() : 0, (lastImport ? '\n' : '') + importLines.join('\n'));
-        }
-    }
-}
-/** Normalizes a path to use posix separators. */
-function normalizePath(path) {
-    return path.replace(/\\/g, '/');
-}
-
-function parseTsconfigFile(tsconfigPath, basePath) {
-    const { config } = ts.readConfigFile(tsconfigPath, ts.sys.readFile);
-    const parseConfigHost = {
-        useCaseSensitiveFileNames: ts.sys.useCaseSensitiveFileNames,
-        fileExists: ts.sys.fileExists,
-        readDirectory: ts.sys.readDirectory,
-        readFile: ts.sys.readFile,
-    };
-    // Throw if incorrect arguments are passed to this function. Passing relative base paths
-    // results in root directories not being resolved and in later type checking runtime errors.
-    // More details can be found here: https://github.com/microsoft/TypeScript/issues/37731.
-    if (!p__namespace.isAbsolute(basePath)) {
-        throw Error('Unexpected relative base path has been specified.');
-    }
-    return ts.parseJsonConfigFileContent(config, parseConfigHost, basePath, {});
-}
-
-/**
- * Creates a TypeScript program instance for a TypeScript project within
- * the virtual file system tree.
- * @param tree Virtual file system tree that contains the source files.
- * @param tsconfigPath Virtual file system path that resolves to the TypeScript project.
- * @param basePath Base path for the virtual file system tree.
- * @param fakeFileRead Optional file reader function. Can be used to overwrite files in
- *   the TypeScript program, or to add in-memory files (e.g. to add global types).
- * @param additionalFiles Additional file paths that should be added to the program.
- */
-function createMigrationProgram(tree, tsconfigPath, basePath, fakeFileRead, additionalFiles) {
-    const { rootNames, options, host } = createProgramOptions(tree, tsconfigPath, basePath, fakeFileRead);
-    return ts.createProgram(rootNames, options, host);
-}
-/**
- * Creates the options necessary to instantiate a TypeScript program.
- * @param tree Virtual file system tree that contains the source files.
- * @param tsconfigPath Virtual file system path that resolves to the TypeScript project.
- * @param basePath Base path for the virtual file system tree.
- * @param fakeFileRead Optional file reader function. Can be used to overwrite files in
- *   the TypeScript program, or to add in-memory files (e.g. to add global types).
- * @param additionalFiles Additional file paths that should be added to the program.
- * @param optionOverrides Overrides of the parsed compiler options.
- */
-function createProgramOptions(tree, tsconfigPath, basePath, fakeFileRead, additionalFiles, optionOverrides) {
-    // Resolve the tsconfig path to an absolute path. This is needed as TypeScript otherwise
-    // is not able to resolve root directories in the given tsconfig. More details can be found
-    // in the following issue: https://github.com/microsoft/TypeScript/issues/37731.
-    tsconfigPath = p.resolve(basePath, tsconfigPath);
-    const parsed = parseTsconfigFile(tsconfigPath, p.dirname(tsconfigPath));
-    const options = optionOverrides ? { ...parsed.options, ...optionOverrides } : parsed.options;
-    const host = createMigrationCompilerHost(tree, options, basePath, fakeFileRead);
-    return { rootNames: parsed.fileNames.concat([]), options, host };
-}
-function createMigrationCompilerHost(tree, options, basePath, fakeRead) {
-    const host = ts.createCompilerHost(options, true);
-    const defaultReadFile = host.readFile;
-    // We need to overwrite the host "readFile" method, as we want the TypeScript
-    // program to be based on the file contents in the virtual file tree. Otherwise
-    // if we run multiple migrations we might have intersecting changes and
-    // source files.
-    host.readFile = (fileName) => {
-        const treeRelativePath = p.relative(basePath, fileName);
-        let result = fakeRead?.(treeRelativePath);
-        if (typeof result !== 'string') {
-            // If the relative path resolved to somewhere outside of the tree, fall back to
-            // TypeScript's default file reading function since the `tree` will throw an error.
-            result = treeRelativePath.startsWith('..')
-                ? defaultReadFile.call(host, fileName)
-                : tree.read(treeRelativePath)?.toString();
-        }
-        // Strip BOM as otherwise TSC methods (Ex: getWidth) will return an offset,
-        // which breaks the CLI UpdateRecorder.
-        // See: https://github.com/angular/angular/pull/30719
-        return typeof result === 'string' ? result.replace(/^\uFEFF/, '') : undefined;
-    };
-    return host;
-}
-/**
- * Checks whether a file can be migrate by our automated migrations.
- * @param basePath Absolute path to the project.
- * @param sourceFile File being checked.
- * @param program Program that includes the source file.
- */
-function canMigrateFile(basePath, sourceFile, program) {
-    // We shouldn't migrate .d.ts files, files from an external library or type checking files.
-    if (sourceFile.fileName.endsWith('.ngtypecheck.ts') ||
-        sourceFile.isDeclarationFile ||
-        program.isSourceFileFromExternalLibrary(sourceFile)) {
-        return false;
-    }
-    // Our migrations are set up to create a `Program` from the project's tsconfig and to migrate all
-    // the files within the program. This can include files that are outside of the Angular CLI
-    // project. We can't migrate files outside of the project, because our file system interactions
-    // go through the CLI's `Tree` which assumes that all files are within the project. See:
-    // https://github.com/angular/angular-cli/blob/0b0961c9c233a825b6e4bb59ab7f0790f9b14676/packages/angular_devkit/schematics/src/tree/host-tree.ts#L131
-    return !p.relative(basePath, sourceFile.fileName).startsWith('..');
-}
-
-exports.ChangeTracker = ChangeTracker;
-exports.canMigrateFile = canMigrateFile;
-exports.createMigrationProgram = createMigrationProgram;
-exports.createProgramOptions = createProgramOptions;
-exports.normalizePath = normalizePath;

schematics/bundles/index-BXLjBnQw.cjs

-'use strict';
-/**
- * @license Angular v20.3.24
- * (c) 2010-2025 Google LLC. https://angular.io/
- * License: MIT
- */
-'use strict';
-
-var ts = require('typescript');
-require('os');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
-var index = require('./index-A4EF2fnp.cjs');
-require('path');
-require('node:path');
-var project_paths = require('./project_paths-Bq1nFirc.cjs');
-
-function getMemberName(member) {
-    if (member.name === undefined) {
-        return null;
-    }
-    if (ts.isIdentifier(member.name) || ts.isStringLiteralLike(member.name)) {
-        return member.name.text;
-    }
-    if (ts.isPrivateIdentifier(member.name)) {
-        return `#${member.name.text}`;
-    }
-    return null;
-}
-
-/** Checks whether the given node can be an `@Input()` declaration node. */
-function isInputContainerNode(node) {
-    return (((ts.isAccessor(node) && ts.isClassDeclaration(node.parent)) ||
-        ts.isPropertyDeclaration(node)) &&
-        getMemberName(node) !== null);
-}
-
-/**
- * Detects `query(By.directive(T)).componentInstance` patterns and enhances
- * them with information of `T`. This is important because `.componentInstance`
- * is currently typed as `any` and may cause runtime test failures after input
- * migrations then.
- *
- * The reference resolution pass leverages information from this pattern
- * recognizer.
- */
-class DebugElementComponentInstance {
-    checker;
-    cache = new WeakMap();
-    constructor(checker) {
-        this.checker = checker;
-    }
-    detect(node) {
-        if (this.cache.has(node)) {
-            return this.cache.get(node);
-        }
-        if (!ts.isPropertyAccessExpression(node)) {
-            return null;
-        }
-        // Check for `<>.componentInstance`.
-        if (!ts.isIdentifier(node.name) || node.name.text !== 'componentInstance') {
-            return null;
-        }
-        // Check for `<>.query(..).<>`.
-        if (!ts.isCallExpression(node.expression) ||
-            !ts.isPropertyAccessExpression(node.expression.expression) ||
-            !ts.isIdentifier(node.expression.expression.name) ||
-            node.expression.expression.name.text !== 'query') {
-            return null;
-        }
-        const queryCall = node.expression;
-        if (queryCall.arguments.length !== 1) {
-            return null;
-        }
-        const queryArg = queryCall.arguments[0];
-        let typeExpr;
-        if (ts.isCallExpression(queryArg) &&
-            queryArg.arguments.length === 1 &&
-            ts.isIdentifier(queryArg.arguments[0])) {
-            // Detect references, like: `query(By.directive(T))`.
-            typeExpr = queryArg.arguments[0];
-        }
-        else if (ts.isIdentifier(queryArg)) {
-            // Detect references, like: `harness.query(T)`.
-            typeExpr = queryArg;
-        }
-        else {
-            return null;
-        }
-        const symbol = this.checker.getSymbolAtLocation(typeExpr);
-        if (symbol?.valueDeclaration === undefined ||
-            !ts.isClassDeclaration(symbol?.valueDeclaration)) {
-            // Cache this as we use the expensive type checker.
-            this.cache.set(node, null);
-            return null;
-        }
-        const type = this.checker.getTypeAtLocation(symbol.valueDeclaration);
-        this.cache.set(node, type);
-        return type;
-    }
-}
-
-/**
- * Recognizes `Partial<T>` instances in Catalyst tests. Those type queries
- * are likely used for typing property initialization values for the given class `T`
- * and we have a few scenarios:
- *
- *   1. The API does not unwrap signal inputs. In which case, the values are likely no
- *      longer assignable to an `InputSignal`.
- *   2. The API does unwrap signal inputs, in which case we need to unwrap the `Partial`
- *      because the values are raw initial values, like they were before.
- *
- * We can enable this heuristic when we detect Catalyst as we know it supports unwrapping.
- */
-class PartialDirectiveTypeInCatalystTests {
-    checker;
-    knownFields;
-    constructor(checker, knownFields) {
-        this.checker = checker;
-        this.knownFields = knownFields;
-    }
-    detect(node) {
-        // Detect `Partial<...>`
-        if (!ts.isTypeReferenceNode(node) ||
-            !ts.isIdentifier(node.typeName) ||
-            node.typeName.text !== 'Partial') {
-            return null;
-        }
-        // Ignore if the source file doesn't reference Catalyst.
-        if (!node.getSourceFile().text.includes('angular2/testing/catalyst')) {
-            return null;
-        }
-        // Extract T of `Partial<T>`.
-        const cmpTypeArg = node.typeArguments?.[0];
-        if (!cmpTypeArg ||
-            !ts.isTypeReferenceNode(cmpTypeArg) ||
-            !ts.isIdentifier(cmpTypeArg.typeName)) {
-            return null;
-        }
-        const cmpType = cmpTypeArg.typeName;
-        const symbol = this.checker.getSymbolAtLocation(cmpType);
-        // Note: Technically the class might be derived of an input-containing class,
-        // but this is out of scope for now. We can expand if we see it's a common case.
-        if (symbol?.valueDeclaration === undefined ||
-            !ts.isClassDeclaration(symbol.valueDeclaration) ||
-            !this.knownFields.shouldTrackClassReference(symbol.valueDeclaration)) {
-            return null;
-        }
-        return { referenceNode: node, targetClass: symbol.valueDeclaration };
-    }
-}
-
-/**
- * Attempts to look up the given property access chain using
- * the type checker.
- *
- * Notably this is not as safe as using the type checker directly to
- * retrieve symbols of a given identifier, but in some cases this is
- * a necessary approach to compensate e.g. for a lack of TCB information
- * when processing Angular templates.
- *
- * The path is a list of properties to be accessed sequentially on the
- * given type.
- */
-function lookupPropertyAccess(checker, type, path, options = {}) {
-    let symbol = null;
-    for (const propName of path) {
-        // Note: We support assuming `NonNullable` for the pathl This is necessary
-        // in some situations as otherwise the lookups would fail to resolve the target
-        // symbol just because of e.g. a ternary. This is used in the signal input migration
-        // for host bindings.
-        type = options.ignoreNullability ? type.getNonNullableType() : type;
-        const propSymbol = type.getProperty(propName);
-        if (propSymbol === undefined) {
-            return null;
-        }
-        symbol = propSymbol;
-        type = checker.getTypeOfSymbol(propSymbol);
-    }
-    if (symbol === null) {
-        return null;
-    }
-    return { symbol, type };
-}
-
-/**
- * AST visitor that iterates through a template and finds all
- * input references.
- *
- * This resolution is important to be able to migrate references to inputs
- * that will be migrated to signal inputs.
- */
-class TemplateReferenceVisitor extends project_tsconfig_paths.RecursiveVisitor {
-    result = [];
-    /**
-     * Whether we are currently descending into HTML AST nodes
-     * where all bound attributes are considered potentially narrowing.
-     *
-     * Keeps track of all referenced inputs in such attribute expressions.
-     */
-    templateAttributeReferencedFields = null;
-    expressionVisitor;
-    seenKnownFieldsCount = new Map();
-    constructor(typeChecker, templateTypeChecker, componentClass, knownFields, fieldNamesToConsiderForReferenceLookup) {
-        super();
-        this.expressionVisitor = new TemplateExpressionReferenceVisitor(typeChecker, templateTypeChecker, componentClass, knownFields, fieldNamesToConsiderForReferenceLookup);
-    }
-    checkExpressionForReferencedFields(activeNode, expressionNode) {
-        const referencedFields = this.expressionVisitor.checkTemplateExpression(activeNode, expressionNode);
-        // Add all references to the overall visitor result.
-        this.result.push(...referencedFields);
-        // Count usages of seen input references. We'll use this to make decisions
-        // based on whether inputs are potentially narrowed or not.
-        for (const input of referencedFields) {
-            this.seenKnownFieldsCount.set(input.targetField.key, (this.seenKnownFieldsCount.get(input.targetField.key) ?? 0) + 1);
-        }
-        return referencedFields;
-    }
-    descendAndCheckForNarrowedSimilarReferences(potentiallyNarrowedInputs, descend) {
-        const inputs = potentiallyNarrowedInputs.map((i) => ({
-            ref: i,
-            key: i.targetField.key,
-            pastCount: this.seenKnownFieldsCount.get(i.targetField.key) ?? 0,
-        }));
-        descend();
-        for (const input of inputs) {
-            // Input was referenced inside a narrowable spot, and is used in child nodes.
-            // This is a sign for the input to be narrowed. Mark it as such.
-            if ((this.seenKnownFieldsCount.get(input.key) ?? 0) > input.pastCount) {
-                input.ref.isLikelyNarrowed = true;
-            }
-        }
-    }
-    visitTemplate(template) {
-        // Note: We assume all bound expressions for templates may be subject
-        // to TCB narrowing. This is relevant for now until we support narrowing
-        // of signal calls in templates.
-        // TODO: Remove with: https://github.com/angular/angular/pull/55456.
-        this.templateAttributeReferencedFields = [];
-        project_tsconfig_paths.visitAll(this, template.attributes);
-        project_tsconfig_paths.visitAll(this, template.templateAttrs);
-        // If we are dealing with a microsyntax template, do not check
-        // inputs and outputs as those are already passed to the children.
-        // Template attributes may contain relevant expressions though.
-        if (template.tagName === 'ng-template') {
-            project_tsconfig_paths.visitAll(this, template.inputs);
-            project_tsconfig_paths.visitAll(this, template.outputs);
-        }
-        const referencedInputs = this.templateAttributeReferencedFields;
-        this.templateAttributeReferencedFields = null;
-        this.descendAndCheckForNarrowedSimilarReferences(referencedInputs, () => {
-            project_tsconfig_paths.visitAll(this, template.children);
-            project_tsconfig_paths.visitAll(this, template.references);
-            project_tsconfig_paths.visitAll(this, template.variables);
-        });
-    }
-    visitIfBlockBranch(block) {
-        if (block.expression) {
-            const referencedFields = this.checkExpressionForReferencedFields(block, block.expression);
-            this.descendAndCheckForNarrowedSimilarReferences(referencedFields, () => {
-                super.visitIfBlockBranch(block);
-            });
-        }
-        else {
-            super.visitIfBlockBranch(block);
-        }
-    }
-    visitForLoopBlock(block) {
-        this.checkExpressionForReferencedFields(block, block.expression);
-        this.checkExpressionForReferencedFields(block, block.trackBy);
-        super.visitForLoopBlock(block);
-    }
-    visitSwitchBlock(block) {
-        const referencedFields = this.checkExpressionForReferencedFields(block, block.expression);
-        this.descendAndCheckForNarrowedSimilarReferences(referencedFields, () => {
-            super.visitSwitchBlock(block);
-        });
-    }
-    visitSwitchBlockCase(block) {
-        if (block.expression) {
-            const referencedFields = this.checkExpressionForReferencedFields(block, block.expression);
-            this.descendAndCheckForNarrowedSimilarReferences(referencedFields, () => {
-                super.visitSwitchBlockCase(block);
-            });
-        }
-        else {
-            super.visitSwitchBlockCase(block);
-        }
-    }
-    visitDeferredBlock(deferred) {
-        if (deferred.triggers.when) {
-            this.checkExpressionForReferencedFields(deferred, deferred.triggers.when.value);
-        }
-        if (deferred.prefetchTriggers.when) {
-            this.checkExpressionForReferencedFields(deferred, deferred.prefetchTriggers.when.value);
-        }
-        super.visitDeferredBlock(deferred);
-    }
-    visitBoundText(text) {
-        this.checkExpressionForReferencedFields(text, text.value);
-    }
-    visitBoundEvent(attribute) {
-        this.checkExpressionForReferencedFields(attribute, attribute.handler);
-    }
-    visitBoundAttribute(attribute) {
-        const referencedFields = this.checkExpressionForReferencedFields(attribute, attribute.value);
-        // Attributes inside templates are potentially "narrowed" and hence we
-        // keep track of all referenced inputs to see if they actually are.
-        if (this.templateAttributeReferencedFields !== null) {
-            this.templateAttributeReferencedFields.push(...referencedFields);
-        }
-    }
-}
-/**
- * Expression AST visitor that checks whether a given expression references
- * a known `@Input()`.
- *
- * This resolution is important to be able to migrate references to inputs
- * that will be migrated to signal inputs.
- */
-class TemplateExpressionReferenceVisitor extends project_tsconfig_paths.RecursiveAstVisitor {
-    typeChecker;
-    templateTypeChecker;
-    componentClass;
-    knownFields;
-    fieldNamesToConsiderForReferenceLookup;
-    activeTmplAstNode = null;
-    detectedInputReferences = [];
-    isInsideObjectShorthandExpression = false;
-    insideConditionalExpressionsWithReads = [];
-    constructor(typeChecker, templateTypeChecker, componentClass, knownFields, fieldNamesToConsiderForReferenceLookup) {
-        super();
-        this.typeChecker = typeChecker;
-        this.templateTypeChecker = templateTypeChecker;
-        this.componentClass = componentClass;
-        this.knownFields = knownFields;
-        this.fieldNamesToConsiderForReferenceLookup = fieldNamesToConsiderForReferenceLookup;
-    }
-    /** Checks the given AST expression. */
-    checkTemplateExpression(activeNode, expressionNode) {
-        this.detectedInputReferences = [];
-        this.activeTmplAstNode = activeNode;
-        expressionNode.visit(this, []);
-        return this.detectedInputReferences;
-    }
-    visit(ast, context) {
-        super.visit(ast, [...context, ast]);
-    }
-    // Keep track when we are inside an object shorthand expression. This is
-    // necessary as we need to expand the shorthand to invoke a potential new signal.
-    // E.g. `{bla}` may be transformed to `{bla: bla()}`.
-    visitLiteralMap(ast, context) {
-        for (const [idx, key] of ast.keys.entries()) {
-            this.isInsideObjectShorthandExpression = !!key.isShorthandInitialized;
-            ast.values[idx].visit(this, context);
-            this.isInsideObjectShorthandExpression = false;
-        }
-    }
-    visitPropertyRead(ast, context) {
-        this._inspectPropertyAccess(ast, false, context);
-        super.visitPropertyRead(ast, context);
-    }
-    visitSafePropertyRead(ast, context) {
-        this._inspectPropertyAccess(ast, false, context);
-        super.visitPropertyRead(ast, context);
-    }
-    visitBinary(ast, context) {
-        if (ast.operation === '=' && ast.left instanceof project_tsconfig_paths.PropertyRead) {
-            this._inspectPropertyAccess(ast.left, true, [...context, ast, ast.left]);
-        }
-        else {
-            super.visitBinary(ast, context);
-        }
-    }
-    visitConditional(ast, context) {
-        this.visit(ast.condition, context);
-        this.insideConditionalExpressionsWithReads.push(ast.condition);
-        this.visit(ast.trueExp, context);
-        this.visit(ast.falseExp, context);
-        this.insideConditionalExpressionsWithReads.pop();
-    }
-    /**
-     * Inspects the property access and attempts to resolve whether they access
-     * a known field. If so, the result is captured.
-     */
-    _inspectPropertyAccess(ast, isAssignment, astPath) {
-        if (this.fieldNamesToConsiderForReferenceLookup !== null &&
-            !this.fieldNamesToConsiderForReferenceLookup.has(ast.name)) {
-            return;
-        }
-        const isWrite = !!(isAssignment ||
-            (this.activeTmplAstNode && isTwoWayBindingNode(this.activeTmplAstNode)));
-        this._checkAccessViaTemplateTypeCheckBlock(ast, isWrite, astPath) ||
-            this._checkAccessViaOwningComponentClassType(ast, isWrite, astPath);
-    }
-    /**
-     * Checks whether the node refers to an input using the TCB information.
-     * Type check block may not exist for e.g. test components, so this can return `null`.
-     */
-    _checkAccessViaTemplateTypeCheckBlock(ast, isWrite, astPath) {
-        // There might be no template type checker. E.g. if we check host bindings.
-        if (this.templateTypeChecker === null) {
-            return false;
-        }
-        const symbol = this.templateTypeChecker.getSymbolOfNode(ast, this.componentClass);
-        if (symbol?.kind !== project_tsconfig_paths.SymbolKind.Expression || symbol.tsSymbol === null) {
-            return false;
-        }
-        // Dangerous: Type checking symbol retrieval is a totally different `ts.Program`,
-        // than the one where we analyzed `knownInputs`.
-        // --> Find the input via its input id.
-        const targetInput = this.knownFields.attemptRetrieveDescriptorFromSymbol(symbol.tsSymbol);
-        if (targetInput === null) {
-            return false;
-        }
-        this.detectedInputReferences.push({
-            targetNode: targetInput.node,
-            targetField: targetInput,
-            read: ast,
-            readAstPath: astPath,
-            context: this.activeTmplAstNode,
-            isLikelyNarrowed: this._isPartOfNarrowingTernary(ast),
-            isObjectShorthandExpression: this.isInsideObjectShorthandExpression,
-            isWrite,
-        });
-        return true;
-    }
-    /**
-     * Simple resolution checking whether the given AST refers to a known input.
-     * This is a fallback for when there is no type checking information (e.g. in host bindings).
-     *
-     * It attempts to resolve references by traversing accesses of the "component class" type.
-     * e.g. `this.bla` is resolved via `CompType#bla` and further.
-     */
-    _checkAccessViaOwningComponentClassType(ast, isWrite, astPath) {
-        // We might check host bindings, which can never point to template variables or local refs.
-        const expressionTemplateTarget = this.templateTypeChecker === null
-            ? null
-            : this.templateTypeChecker.getExpressionTarget(ast, this.componentClass);
-        // Skip checking if:
-        // - the reference resolves to a template variable or local ref. No way to resolve without TCB.
-        // - the owning component does not have a name (should not happen technically).
-        if (expressionTemplateTarget !== null || this.componentClass.name === undefined) {
-            return;
-        }
-        const property = traverseReceiverAndLookupSymbol(ast, this.componentClass, this.typeChecker);
-        if (property === null) {
-            return;
-        }
-        const matchingTarget = this.knownFields.attemptRetrieveDescriptorFromSymbol(property);
-        if (matchingTarget === null) {
-            return;
-        }
-        this.detectedInputReferences.push({
-            targetNode: matchingTarget.node,
-            targetField: matchingTarget,
-            read: ast,
-            readAstPath: astPath,
-            context: this.activeTmplAstNode,
-            isLikelyNarrowed: this._isPartOfNarrowingTernary(ast),
-            isObjectShorthandExpression: this.isInsideObjectShorthandExpression,
-            isWrite,
-        });
-    }
-    _isPartOfNarrowingTernary(read) {
-        // Note: We do not safe check that the reads are fully matching 1:1. This is acceptable
-        // as worst case we just skip an input from being migrated. This is very unlikely too.
-        return this.insideConditionalExpressionsWithReads.some((r) => (r instanceof project_tsconfig_paths.PropertyRead || r instanceof project_tsconfig_paths.SafePropertyRead) && r.name === read.name);
-    }
-}
-/**
- * Emulates an access to a given field using the TypeScript `ts.Type`
- * of the given class. The resolved symbol of the access is returned.
- */
-function traverseReceiverAndLookupSymbol(readOrWrite, componentClass, checker) {
-    const path = [readOrWrite.name];
-    let node = readOrWrite;
-    while (node.receiver instanceof project_tsconfig_paths.PropertyRead) {
-        node = node.receiver;
-        path.unshift(node.name);
-    }
-    if (!(node.receiver instanceof project_tsconfig_paths.ImplicitReceiver || node.receiver instanceof project_tsconfig_paths.ThisReceiver)) {
-        return null;
-    }
-    const classType = checker.getTypeAtLocation(componentClass.name);
-    return (lookupPropertyAccess(checker, classType, path, {
-        // Necessary to avoid breaking the resolution if there is
-        // some narrowing involved. E.g. `myClass ? myClass.input`.
-        ignoreNullability: true,
-    })?.symbol ?? null);
-}
-/** Whether the given node refers to a two-way binding AST node. */
-function isTwoWayBindingNode(node) {
-    return ((node instanceof project_tsconfig_paths.BoundAttribute && node.type === project_tsconfig_paths.BindingType.TwoWay) ||
-        (node instanceof project_tsconfig_paths.BoundEvent && node.type === project_tsconfig_paths.ParsedEventType.TwoWay));
-}
-
-/** Possible types of references to known fields detected. */
-exports.ReferenceKind = void 0;
-(function (ReferenceKind) {
-    ReferenceKind[ReferenceKind["InTemplate"] = 0] = "InTemplate";
-    ReferenceKind[ReferenceKind["InHostBinding"] = 1] = "InHostBinding";
-    ReferenceKind[ReferenceKind["TsReference"] = 2] = "TsReference";
-    ReferenceKind[ReferenceKind["TsClassTypeReference"] = 3] = "TsClassTypeReference";
-})(exports.ReferenceKind || (exports.ReferenceKind = {}));
-/** Whether the given reference is a TypeScript reference. */
-function isTsReference(ref) {
-    return ref.kind === exports.ReferenceKind.TsReference;
-}
-/** Whether the given reference is a template reference. */
-function isTemplateReference(ref) {
-    return ref.kind === exports.ReferenceKind.InTemplate;
-}
-/** Whether the given reference is a host binding reference. */
-function isHostBindingReference(ref) {
-    return ref.kind === exports.ReferenceKind.InHostBinding;
-}
-/**
- * Whether the given reference is a TypeScript `ts.Type` reference
- * to a class containing known fields.
- */
-function isTsClassTypeReference(ref) {
-    return ref.kind === exports.ReferenceKind.TsClassTypeReference;
-}
-
-/**
- * Checks host bindings of the given class and tracks all
- * references to inputs within bindings.
- */
-function identifyHostBindingReferences(node, programInfo, checker, reflector, result, knownFields, fieldNamesToConsiderForReferenceLookup) {
-    if (node.name === undefined) {
-        return;
-    }
-    const decorators = reflector.getDecoratorsOfDeclaration(node);
-    if (decorators === null) {
-        return;
-    }
-    const angularDecorators = project_tsconfig_paths.getAngularDecorators(decorators, ['Directive', 'Component'], 
-    /* isAngularCore */ false);
-    if (angularDecorators.length === 0) {
-        return;
-    }
-    // Assume only one Angular decorator per class.
-    const ngDecorator = angularDecorators[0];
-    if (ngDecorator.args?.length !== 1) {
-        return;
-    }
-    const metadataNode = project_tsconfig_paths.unwrapExpression(ngDecorator.args[0]);
-    if (!ts.isObjectLiteralExpression(metadataNode)) {
-        return;
-    }
-    const metadata = project_tsconfig_paths.reflectObjectLiteral(metadataNode);
-    if (!metadata.has('host')) {
-        return;
-    }
-    let hostField = project_tsconfig_paths.unwrapExpression(metadata.get('host'));
-    // Special-case in case host bindings are shared via a variable.
-    // e.g. Material button shares host bindings as a constant in the same target.
-    if (ts.isIdentifier(hostField)) {
-        let symbol = checker.getSymbolAtLocation(hostField);
-        // Plain identifier references can point to alias symbols (e.g. imports).
-        if (symbol !== undefined && symbol.flags & ts.SymbolFlags.Alias) {
-            symbol = checker.getAliasedSymbol(symbol);
-        }
-        if (symbol !== undefined &&
-            symbol.valueDeclaration !== undefined &&
-            ts.isVariableDeclaration(symbol.valueDeclaration)) {
-            hostField = symbol?.valueDeclaration.initializer;
-        }
-    }
-    if (hostField === undefined || !ts.isObjectLiteralExpression(hostField)) {
-        return;
-    }
-    const hostMap = project_tsconfig_paths.reflectObjectLiteral(hostField);
-    const expressionResult = [];
-    const expressionVisitor = new TemplateExpressionReferenceVisitor(checker, null, node, knownFields, fieldNamesToConsiderForReferenceLookup);
-    for (const [rawName, expression] of hostMap.entries()) {
-        if (!ts.isStringLiteralLike(expression)) {
-            continue;
-        }
-        const isEventBinding = rawName.startsWith('(');
-        const isPropertyBinding = rawName.startsWith('[');
-        // Only migrate property or event bindings.
-        if (!isPropertyBinding && !isEventBinding) {
-            continue;
-        }
-        const parser = project_tsconfig_paths.makeBindingParser();
-        const sourceSpan = new project_tsconfig_paths.ParseSourceSpan(
-        // Fake source span to keep parsing offsets zero-based.
-        // We then later combine these with the expression TS node offsets.
-        new project_tsconfig_paths.ParseLocation({ content: '', url: '' }, 0, 0, 0), new project_tsconfig_paths.ParseLocation({ content: '', url: '' }, 0, 0, 0));
-        const name = rawName.substring(1, rawName.length - 1);
-        let parsed = undefined;
-        if (isEventBinding) {
-            const result = [];
-            parser.parseEvent(name.substring(1, name.length - 1), expression.text, false, sourceSpan, sourceSpan, [], result, sourceSpan);
-            parsed = result[0].handler;
-        }
-        else {
-            const result = [];
-            parser.parsePropertyBinding(name, expression.text, true, 
-            /* isTwoWayBinding */ false, sourceSpan, 0, sourceSpan, [], result, sourceSpan);
-            parsed = result[0].expression;
-        }
-        if (parsed != null) {
-            expressionResult.push(...expressionVisitor.checkTemplateExpression(expression, parsed));
-        }
-    }
-    for (const ref of expressionResult) {
-        result.references.push({
-            kind: exports.ReferenceKind.InHostBinding,
-            from: {
-                read: ref.read,
-                readAstPath: ref.readAstPath,
-                isObjectShorthandExpression: ref.isObjectShorthandExpression,
-                isWrite: ref.isWrite,
-                file: project_paths.projectFile(ref.context.getSourceFile(), programInfo),
-                hostPropertyNode: ref.context,
-            },
-            target: ref.targetField,
-        });
-    }
-}
-
-/**
- * Attempts to extract the `TemplateDefinition` for the given
- * class, if possible.
- *
- * The definition can then be used with the Angular compiler to
- * load/parse the given template.
- */
-function attemptExtractTemplateDefinition(node, checker, reflector, resourceLoader) {
-    const classDecorators = reflector.getDecoratorsOfDeclaration(node);
-    const evaluator = new index.PartialEvaluator(reflector, checker, null);
-    const ngDecorators = classDecorators !== null
-        ? project_tsconfig_paths.getAngularDecorators(classDecorators, ['Component'], /* isAngularCore */ false)
-        : [];
-    if (ngDecorators.length === 0 ||
-        ngDecorators[0].args === null ||
-        ngDecorators[0].args.length === 0 ||
-        !ts.isObjectLiteralExpression(ngDecorators[0].args[0])) {
-        return null;
-    }
-    const properties = project_tsconfig_paths.reflectObjectLiteral(ngDecorators[0].args[0]);
-    const templateProp = properties.get('template');
-    const templateUrlProp = properties.get('templateUrl');
-    const containingFile = node.getSourceFile().fileName;
-    // inline template.
-    if (templateProp !== undefined) {
-        const templateStr = evaluator.evaluate(templateProp);
-        if (typeof templateStr === 'string') {
-            return {
-                isInline: true,
-                expression: templateProp,
-                interpolationConfig: project_tsconfig_paths.DEFAULT_INTERPOLATION_CONFIG,
-                preserveWhitespaces: false,
-                resolvedTemplateUrl: containingFile,
-                templateUrl: containingFile,
-            };
-        }
-    }
-    try {
-        // external template.
-        if (templateUrlProp !== undefined) {
-            const templateUrl = evaluator.evaluate(templateUrlProp);
-            if (typeof templateUrl === 'string') {
-                return {
-                    isInline: false,
-                    interpolationConfig: project_tsconfig_paths.DEFAULT_INTERPOLATION_CONFIG,
-                    preserveWhitespaces: false,
-                    templateUrlExpression: templateUrlProp,
-                    templateUrl,
-                    resolvedTemplateUrl: resourceLoader.resolve(templateUrl, containingFile),
-                };
-            }
-        }
-    }
-    catch (e) {
-        console.error(`Could not parse external template: ${e}`);
-    }
-    return null;
-}
-
-/**
- * Checks whether the given class has an Angular template, and resolves
- * all of the references to inputs.
- */
-function identifyTemplateReferences(programInfo, node, reflector, checker, evaluator, templateTypeChecker, resourceLoader, options, result, knownFields, fieldNamesToConsiderForReferenceLookup) {
-    const template = templateTypeChecker.getTemplate(node, project_tsconfig_paths.OptimizeFor.WholeProgram) ??
-        // If there is no template registered in the TCB or compiler, the template may
-        // be skipped due to an explicit `jit: true` setting. We try to detect this case
-        // and parse the template manually.
-        extractTemplateWithoutCompilerAnalysis(node, checker, reflector, resourceLoader, evaluator, options);
-    if (template !== null) {
-        const visitor = new TemplateReferenceVisitor(checker, templateTypeChecker, node, knownFields, fieldNamesToConsiderForReferenceLookup);
-        template.forEach((node) => node.visit(visitor));
-        for (const res of visitor.result) {
-            const templateFilePath = res.context.sourceSpan.start.file.url;
-            // Templates without an URL are non-mappable artifacts of e.g.
-            // string concatenated templates. See the `indirect` template
-            // source mapping concept in the compiler. We skip such references
-            // as those cannot be migrated, but print an error for now.
-            if (templateFilePath === '') {
-                // TODO: Incorporate a TODO potentially.
-                console.error(`Found reference to field ${res.targetField.key} that cannot be ` +
-                    `migrated because the template cannot be parsed with source map information ` +
-                    `(in file: ${node.getSourceFile().fileName}).`);
-                continue;
-            }
-            result.references.push({
-                kind: exports.ReferenceKind.InTemplate,
-                from: {
-                    read: res.read,
-                    readAstPath: res.readAstPath,
-                    node: res.context,
-                    isObjectShorthandExpression: res.isObjectShorthandExpression,
-                    originatingTsFile: project_paths.projectFile(node.getSourceFile(), programInfo),
-                    templateFile: project_paths.projectFile(project_tsconfig_paths.absoluteFrom(templateFilePath), programInfo),
-                    isLikelyPartOfNarrowing: res.isLikelyNarrowed,
-                    isWrite: res.isWrite,
-                },
-                target: res.targetField,
-            });
-        }
-    }
-}
-/**
- * Attempts to extract a `@Component` template from the given class,
- * without relying on the `NgCompiler` program analysis.
- *
- * This is useful for JIT components using `jit: true` which were not
- * processed by the Angular compiler, but may still have templates that
- * contain references to inputs that we can resolve via the fallback
- * reference resolutions (that does not use the type check block).
- */
-function extractTemplateWithoutCompilerAnalysis(node, checker, reflector, resourceLoader, evaluator, options) {
-    if (node.name === undefined) {
-        return null;
-    }
-    const tmplDef = attemptExtractTemplateDefinition(node, checker, reflector, resourceLoader);
-    if (tmplDef === null) {
-        return null;
-    }
-    return index.extractTemplate(node, tmplDef, evaluator, null, resourceLoader, {
-        enableBlockSyntax: true,
-        enableLetSyntax: true,
-        usePoisonedData: true,
-        enableI18nLegacyMessageIdFormat: options.enableI18nLegacyMessageIdFormat !== false,
-        i18nNormalizeLineEndingsInICUs: options.i18nNormalizeLineEndingsInICUs === true,
-        enableSelectorless: false,
-    }, project_tsconfig_paths.CompilationMode.FULL).nodes;
-}
-
-/** Gets the pattern and property name for a given binding element. */
-function resolveBindingElement(node) {
-    const name = node.propertyName ?? node.name;
-    // If we are discovering a non-analyzable element in the path, abort.
-    if (!ts.isStringLiteralLike(name) && !ts.isIdentifier(name)) {
-        return null;
-    }
-    return {
-        pattern: node.parent,
-        propertyName: name.text,
-    };
-}
-/** Gets the declaration node of the given binding element. */
-function getBindingElementDeclaration(node) {
-    while (true) {
-        if (ts.isBindingElement(node.parent.parent)) {
-            node = node.parent.parent;
-        }
-        else {
-            return node.parent.parent;
-        }
-    }
-}
-
-/**
- * Expands the given reference to its containing expression, capturing
- * the full context.
- *
- * E.g. `traverseAccess(ref<`bla`>)` may return `this.bla`
- *   or `traverseAccess(ref<`bla`>)` may return `this.someObj.a.b.c.bla`.
- *
- * This helper is useful as we will replace the full access with a temporary
- * variable for narrowing. Replacing just the identifier is wrong.
- */
-function traverseAccess(access) {
-    if (ts.isPropertyAccessExpression(access.parent) && access.parent.name === access) {
-        return access.parent;
-    }
-    else if (ts.isElementAccessExpression(access.parent) &&
-        access.parent.argumentExpression === access) {
-        return access.parent;
-    }
-    return access;
-}
-
-/**
- * Unwraps the parent of the given node, if it's a
- * parenthesized expression or `as` expression.
- */
-function unwrapParent(node) {
-    if (ts.isParenthesizedExpression(node.parent)) {
-        return unwrapParent(node.parent);
-    }
-    else if (ts.isAsExpression(node.parent)) {
-        return unwrapParent(node.parent);
-    }
-    return node;
-}
-
-/**
- * List of binary operators that indicate a write operation.
- *
- * Useful for figuring out whether an expression assigns to
- * something or not.
- */
-const writeBinaryOperators = [
-    ts.SyntaxKind.EqualsToken,
-    ts.SyntaxKind.BarBarEqualsToken,
-    ts.SyntaxKind.BarEqualsToken,
-    ts.SyntaxKind.AmpersandEqualsToken,
-    ts.SyntaxKind.AmpersandAmpersandEqualsToken,
-    ts.SyntaxKind.SlashEqualsToken,
-    ts.SyntaxKind.MinusEqualsToken,
-    ts.SyntaxKind.PlusEqualsToken,
-    ts.SyntaxKind.CaretEqualsToken,
-    ts.SyntaxKind.PercentEqualsToken,
-    ts.SyntaxKind.AsteriskEqualsToken,
-    ts.SyntaxKind.ExclamationEqualsToken,
-];
-
-/**
- * Checks whether given TypeScript reference refers to an Angular input, and captures
- * the reference if possible.
- *
- * @param fieldNamesToConsiderForReferenceLookup List of field names that should be
- *   respected when expensively looking up references to known fields.
- *   May be null if all identifiers should be inspected.
- */
-function identifyPotentialTypeScriptReference(node, programInfo, checker, knownFields, result, fieldNamesToConsiderForReferenceLookup, advisors) {
-    // Skip all identifiers that never can point to a migrated field.
-    // TODO: Capture these assumptions and performance optimizations in the design doc.
-    if (fieldNamesToConsiderForReferenceLookup !== null &&
-        !fieldNamesToConsiderForReferenceLookup.has(node.text)) {
-        return;
-    }
-    let target = undefined;
-    try {
-        // Resolve binding elements to their declaration symbol.
-        // Commonly inputs are accessed via object expansion. e.g. `const {input} = this;`.
-        if (ts.isBindingElement(node.parent)) {
-            // Skip binding elements that are using spread.
-            if (node.parent.dotDotDotToken !== undefined) {
-                return;
-            }
-            const bindingInfo = resolveBindingElement(node.parent);
-            if (bindingInfo === null) {
-                // The declaration could not be resolved. Skip analyzing this.
-                return;
-            }
-            const bindingType = checker.getTypeAtLocation(bindingInfo.pattern);
-            const resolved = lookupPropertyAccess(checker, bindingType, [bindingInfo.propertyName]);
-            target = resolved?.symbol;
-        }
-        else {
-            target = checker.getSymbolAtLocation(node);
-        }
-    }
-    catch (e) {
-        console.error('Unexpected error while trying to resolve identifier reference:');
-        console.error(e);
-        // Gracefully skip analyzing. This can happen when e.g. a reference is named similar
-        // to an input, but is dependant on `.d.ts` that is not necessarily available (clutz dts).
-        return;
-    }
-    noTargetSymbolCheck: if (target === undefined) {
-        if (ts.isPropertyAccessExpression(node.parent) && node.parent.name === node) {
-            const propAccessSymbol = checker.getSymbolAtLocation(node.parent.expression);
-            if (propAccessSymbol !== undefined &&
-                propAccessSymbol.valueDeclaration !== undefined &&
-                ts.isVariableDeclaration(propAccessSymbol.valueDeclaration) &&
-                propAccessSymbol.valueDeclaration.initializer !== undefined) {
-                target = advisors.debugElComponentInstanceTracker
-                    .detect(propAccessSymbol.valueDeclaration.initializer)
-                    ?.getProperty(node.text);
-                // We found a target in the fallback path. Break out.
-                if (target !== undefined) {
-                    break noTargetSymbolCheck;
-                }
-            }
-        }
-        return;
-    }
-    let targetInput = knownFields.attemptRetrieveDescriptorFromSymbol(target);
-    if (targetInput === null) {
-        return;
-    }
-    const access = unwrapParent(traverseAccess(node));
-    const accessParent = access.parent;
-    const isWriteReference = ts.isBinaryExpression(accessParent) &&
-        accessParent.left === access &&
-        writeBinaryOperators.includes(accessParent.operatorToken.kind);
-    // track accesses from source files to known fields.
-    result.references.push({
-        kind: exports.ReferenceKind.TsReference,
-        from: {
-            node,
-            file: project_paths.projectFile(node.getSourceFile(), programInfo),
-            isWrite: isWriteReference,
-            isPartOfElementBinding: ts.isBindingElement(node.parent),
-        },
-        target: targetInput,
-    });
-}
-
-/**
- * Phase where we iterate through all source file references and
- * detect references to known fields (e.g. commonly inputs).
- *
- * This is useful, for example in the signal input migration whe
- * references need to be migrated to unwrap signals, given that
- * their target properties is no longer holding a raw value, but
- * instead an `InputSignal`.
- *
- * This phase detects references in all types of locations:
- *    - TS source files
- *    - Angular templates (inline or external)
- *    - Host binding expressions.
- */
-function createFindAllSourceFileReferencesVisitor(programInfo, checker, reflector, resourceLoader, evaluator, templateTypeChecker, knownFields, fieldNamesToConsiderForReferenceLookup, result) {
-    const debugElComponentInstanceTracker = new DebugElementComponentInstance(checker);
-    const partialDirectiveCatalystTracker = new PartialDirectiveTypeInCatalystTests(checker, knownFields);
-    const perfCounters = {
-        template: 0,
-        hostBindings: 0,
-        tsReferences: 0,
-        tsTypes: 0,
-    };
-    // Schematic NodeJS execution may not have `global.performance` defined.
-    const currentTimeInMs = () => typeof global.performance !== 'undefined' ? global.performance.now() : Date.now();
-    const visitor = (node) => {
-        let lastTime = currentTimeInMs();
-        // Note: If there is no template type checker and resource loader, we aren't processing
-        // an Angular program, and can skip template detection.
-        if (ts.isClassDeclaration(node) && templateTypeChecker !== null && resourceLoader !== null) {
-            identifyTemplateReferences(programInfo, node, reflector, checker, evaluator, templateTypeChecker, resourceLoader, programInfo.userOptions, result, knownFields, fieldNamesToConsiderForReferenceLookup);
-            perfCounters.template += (currentTimeInMs() - lastTime) / 1000;
-            lastTime = currentTimeInMs();
-            identifyHostBindingReferences(node, programInfo, checker, reflector, result, knownFields, fieldNamesToConsiderForReferenceLookup);
-            perfCounters.hostBindings += (currentTimeInMs() - lastTime) / 1000;
-            lastTime = currentTimeInMs();
-        }
-        lastTime = currentTimeInMs();
-        // find references, but do not capture input declarations itself.
-        if (ts.isIdentifier(node) &&
-            !(isInputContainerNode(node.parent) && node.parent.name === node)) {
-            identifyPotentialTypeScriptReference(node, programInfo, checker, knownFields, result, fieldNamesToConsiderForReferenceLookup, {
-                debugElComponentInstanceTracker,
-            });
-        }
-        perfCounters.tsReferences += (currentTimeInMs() - lastTime) / 1000;
-        lastTime = currentTimeInMs();
-        // Detect `Partial<T>` references.
-        // Those are relevant to be tracked as they may be updated in Catalyst to
-        // unwrap signal inputs. Commonly people use `Partial` in Catalyst to type
-        // some "component initial values".
-        const partialDirectiveInCatalyst = partialDirectiveCatalystTracker.detect(node);
-        if (partialDirectiveInCatalyst !== null) {
-            result.references.push({
-                kind: exports.ReferenceKind.TsClassTypeReference,
-                from: {
-                    file: project_paths.projectFile(partialDirectiveInCatalyst.referenceNode.getSourceFile(), programInfo),
-                    node: partialDirectiveInCatalyst.referenceNode,
-                },
-                isPartialReference: true,
-                isPartOfCatalystFile: true,
-                target: partialDirectiveInCatalyst.targetClass,
-            });
-        }
-        perfCounters.tsTypes += (currentTimeInMs() - lastTime) / 1000;
-    };
-    return {
-        visitor,
-        debugPrintMetrics: () => {
-            console.info('Source file analysis performance', perfCounters);
-        },
-    };
-}
-
-exports.createFindAllSourceFileReferencesVisitor = createFindAllSourceFileReferencesVisitor;
-exports.getBindingElementDeclaration = getBindingElementDeclaration;
-exports.getMemberName = getMemberName;
-exports.isHostBindingReference = isHostBindingReference;
-exports.isInputContainerNode = isInputContainerNode;
-exports.isTemplateReference = isTemplateReference;
-exports.isTsClassTypeReference = isTsClassTypeReference;
-exports.isTsReference = isTsReference;
-exports.traverseAccess = traverseAccess;
-exports.unwrapParent = unwrapParent;

schematics/bundles/project_paths-Bq1nFirc.cjs

-'use strict';
-/**
- * @license Angular v20.3.24
- * (c) 2010-2025 Google LLC. https://angular.io/
- * License: MIT
- */
-'use strict';
-
-var index = require('./index-A4EF2fnp.cjs');
-var schematics = require('@angular-devkit/schematics');
-var core = require('@angular-devkit/core');
-var posixPath = require('node:path/posix');
-var os = require('os');
-var ts = require('typescript');
-var project_tsconfig_paths = require('./project_tsconfig_paths-D0pvNjuF.cjs');
-require('path');
-var path = require('node:path');
-
-function _interopNamespaceDefault(e) {
-    var n = Object.create(null);
-    if (e) {
-        Object.keys(e).forEach(function (k) {
-            if (k !== 'default') {
-                var d = Object.getOwnPropertyDescriptor(e, k);
-                Object.defineProperty(n, k, d.get ? d : {
-                    enumerable: true,
-                    get: function () { return e[k]; }
-                });
-            }
-        });
-    }
-    n.default = e;
-    return Object.freeze(n);
-}
-
-var posixPath__namespace = /*#__PURE__*/_interopNamespaceDefault(posixPath);
-var os__namespace = /*#__PURE__*/_interopNamespaceDefault(os);
-var path__namespace = /*#__PURE__*/_interopNamespaceDefault(path);
-
-/// <reference types="node" />
-class NgtscCompilerHost {
-    fs;
-    options;
-    constructor(fs, options = {}) {
-        this.fs = fs;
-        this.options = options;
-    }
-    getSourceFile(fileName, languageVersion) {
-        const text = this.readFile(fileName);
-        return text !== undefined
-            ? ts.createSourceFile(fileName, text, languageVersion, true)
-            : undefined;
-    }
-    getDefaultLibFileName(options) {
-        return this.fs.join(this.getDefaultLibLocation(), ts.getDefaultLibFileName(options));
-    }
-    getDefaultLibLocation() {
-        return this.fs.getDefaultLibLocation();
-    }
-    writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles) {
-        const path = project_tsconfig_paths.absoluteFrom(fileName);
-        this.fs.ensureDir(this.fs.dirname(path));
-        this.fs.writeFile(path, data);
-    }
-    getCurrentDirectory() {
-        return this.fs.pwd();
-    }
-    getCanonicalFileName(fileName) {
-        return this.useCaseSensitiveFileNames() ? fileName : fileName.toLowerCase();
-    }
-    useCaseSensitiveFileNames() {
-        return this.fs.isCaseSensitive();
-    }
-    getNewLine() {
-        switch (this.options.newLine) {
-            case ts.NewLineKind.CarriageReturnLineFeed:
-                return '\r\n';
-            case ts.NewLineKind.LineFeed:
-                return '\n';
-            default:
-                return os__namespace.EOL;
-        }
-    }
-    fileExists(fileName) {
-        const absPath = this.fs.resolve(fileName);
-        return this.fs.exists(absPath) && this.fs.stat(absPath).isFile();
-    }
-    readFile(fileName) {
-        const absPath = this.fs.resolve(fileName);
-        if (!this.fileExists(absPath)) {
-            return undefined;
-        }
-        return this.fs.readFile(absPath);
-    }
-    realpath(path) {
-        return this.fs.realpath(this.fs.resolve(path));
-    }
-}
-
-// We use TypeScript's native `ts.matchFiles` utility for the virtual file systems
-// and their TypeScript compiler host `readDirectory` implementation. TypeScript's
-// function implements complex logic for matching files with respect to root
-// directory, extensions, excludes, includes etc. The function is currently
-// internal but we can use it as the API most likely will not change any time soon,
-// nor does it seem like this is being made public any time soon.
-// Related issue for tracking: https://github.com/microsoft/TypeScript/issues/13793.
-/**
- * Creates a {@link ts.CompilerHost#readDirectory} implementation function,
- * that leverages the specified file system (that may be e.g. virtual).
- */
-function createFileSystemTsReadDirectoryFn(fs) {
-    if (ts.matchFiles === undefined) {
-        throw Error('Unable to read directory in configured file system. This means that ' +
-            'TypeScript changed its file matching internals.\n\nPlease consider downgrading your ' +
-            'TypeScript version, and report an issue in the Angular framework repository.');
-    }
-    const matchFilesFn = ts.matchFiles.bind(ts);
-    return (rootDir, extensions, excludes, includes, depth) => {
-        const directoryExists = (p) => {
-            const resolvedPath = fs.resolve(p);
-            return fs.exists(resolvedPath) && fs.stat(resolvedPath).isDirectory();
-        };
-        return matchFilesFn(rootDir, extensions, excludes, includes, fs.isCaseSensitive(), fs.pwd(), depth, (p) => {
-            const resolvedPath = fs.resolve(p);
-            // TS also gracefully returns an empty file set.
-            if (!directoryExists(resolvedPath)) {
-                return { directories: [], files: [] };
-            }
-            const children = fs.readdir(resolvedPath);
-            const files = [];
-            const directories = [];
-            for (const child of children) {
-                if (fs.stat(fs.join(resolvedPath, child))?.isDirectory()) {
-                    directories.push(child);
-                }
-                else {
-                    files.push(child);
-                }
-            }
-            return { files, directories };
-        }, (p) => fs.resolve(p), (p) => directoryExists(p));
-    };
-}
-
-function calcProjectFileAndBasePath(project, host = project_tsconfig_paths.getFileSystem()) {
-    const absProject = host.resolve(project);
-    const projectIsDir = host.lstat(absProject).isDirectory();
-    const projectFile = projectIsDir ? host.join(absProject, 'tsconfig.json') : absProject;
-    const projectDir = projectIsDir ? absProject : host.dirname(absProject);
-    const basePath = host.resolve(projectDir);
-    return { projectFile, basePath };
-}
-function readConfiguration(project, existingOptions, host = project_tsconfig_paths.getFileSystem()) {
-    try {
-        const fs = project_tsconfig_paths.getFileSystem();
-        const readConfigFile = (configFile) => ts.readConfigFile(configFile, (file) => host.readFile(host.resolve(file)));
-        const readAngularCompilerOptions = (configFile, parentOptions = {}) => {
-            const { config, error } = readConfigFile(configFile);
-            if (error) {
-                // Errors are handled later on by 'parseJsonConfigFileContent'
-                return parentOptions;
-            }
-            // Note: In Google, `angularCompilerOptions` are stored in `bazelOptions`.
-            // This function typically doesn't run for actual Angular compilations, but
-            // tooling like Tsurge, or schematics may leverage this helper, so we account
-            // for this here.
-            const angularCompilerOptions = config.angularCompilerOptions ?? config.bazelOptions?.angularCompilerOptions;
-            // we are only interested into merging 'angularCompilerOptions' as
-            // other options like 'compilerOptions' are merged by TS
-            let existingNgCompilerOptions = { ...angularCompilerOptions, ...parentOptions };
-            if (!config.extends) {
-                return existingNgCompilerOptions;
-            }
-            const extendsPaths = typeof config.extends === 'string' ? [config.extends] : config.extends;
-            // Call readAngularCompilerOptions recursively to merge NG Compiler options
-            // Reverse the array so the overrides happen from right to left.
-            return [...extendsPaths].reverse().reduce((prevOptions, extendsPath) => {
-                const extendedConfigPath = getExtendedConfigPath(configFile, extendsPath, host, fs);
-                return extendedConfigPath === null
-                    ? prevOptions
-                    : readAngularCompilerOptions(extendedConfigPath, prevOptions);
-            }, existingNgCompilerOptions);
-        };
-        const { projectFile, basePath } = calcProjectFileAndBasePath(project, host);
-        const configFileName = host.resolve(host.pwd(), projectFile);
-        const { config, error } = readConfigFile(projectFile);
-        if (error) {
-            return {
-                project,
-                errors: [error],
-                rootNames: [],
-                options: {},
-                emitFlags: index.EmitFlags.Default,
-            };
-        }
-        const existingCompilerOptions = {
-            genDir: basePath,
-            basePath,
-            ...readAngularCompilerOptions(configFileName),
-            ...existingOptions,
-        };
-        const parseConfigHost = createParseConfigHost(host, fs);
-        const { options, errors, fileNames: rootNames, projectReferences, } = ts.parseJsonConfigFileContent(config, parseConfigHost, basePath, existingCompilerOptions, configFileName);
-        let emitFlags = index.EmitFlags.Default;
-        if (!(options['skipMetadataEmit'] || options['flatModuleOutFile'])) {
-            emitFlags |= index.EmitFlags.Metadata;
-        }
-        if (options['skipTemplateCodegen']) {
-            emitFlags = emitFlags & ~index.EmitFlags.Codegen;
-        }
-        return { project: projectFile, rootNames, projectReferences, options, errors, emitFlags };
-    }
-    catch (e) {
-        const errors = [
-            {
-                category: ts.DiagnosticCategory.Error,
-                messageText: e.stack ?? e.message,
-                file: undefined,
-                start: undefined,
-                length: undefined,
-                source: 'angular',
-                code: index.UNKNOWN_ERROR_CODE,
-            },
-        ];
-        return { project: '', errors, rootNames: [], options: {}, emitFlags: index.EmitFlags.Default };
-    }
-}
-function createParseConfigHost(host, fs = project_tsconfig_paths.getFileSystem()) {
-    return {
-        fileExists: host.exists.bind(host),
-        readDirectory: createFileSystemTsReadDirectoryFn(fs),
-        readFile: host.readFile.bind(host),
-        useCaseSensitiveFileNames: fs.isCaseSensitive(),
-    };
-}
-function getExtendedConfigPath(configFile, extendsValue, host, fs) {
-    const result = getExtendedConfigPathWorker(configFile, extendsValue, host, fs);
-    if (result !== null) {
-        return result;
-    }
-    // Try to resolve the paths with a json extension append a json extension to the file in case if
-    // it is missing and the resolution failed. This is to replicate TypeScript behaviour, see:
-    // https://github.com/microsoft/TypeScript/blob/294a5a7d784a5a95a8048ee990400979a6bc3a1c/src/compiler/commandLineParser.ts#L2806
-    return getExtendedConfigPathWorker(configFile, `${extendsValue}.json`, host, fs);
-}
-function getExtendedConfigPathWorker(configFile, extendsValue, host, fs) {
-    if (extendsValue.startsWith('.') || fs.isRooted(extendsValue)) {
-        const extendedConfigPath = host.resolve(host.dirname(configFile), extendsValue);
-        if (host.exists(extendedConfigPath)) {
-            return extendedConfigPath;
-        }
-    }
-    else {
-        const parseConfigHost = createParseConfigHost(host, fs);
-        // Path isn't a rooted or relative path, resolve like a module.
-        const { resolvedModule } = ts.nodeModuleNameResolver(extendsValue, configFile, { moduleResolution: ts.ModuleResolutionKind.Node10, resolveJsonModule: true }, parseConfigHost);
-        if (resolvedModule) {
-            return project_tsconfig_paths.absoluteFrom(resolvedModule.resolvedFileName);
-        }
-    }
-    return null;
-}
-
-/**
- * Angular compiler file system implementation that leverages an
- * CLI schematic virtual file tree.
- */
-class DevkitMigrationFilesystem {
-    tree;
-    constructor(tree) {
-        this.tree = tree;
-    }
-    extname(path) {
-        return core.extname(path);
-    }
-    isRoot(path) {
-        return path === core.normalize('/');
-    }
-    isRooted(path) {
-        return this.normalize(path).startsWith('/');
-    }
-    dirname(file) {
-        return this.normalize(core.dirname(file));
-    }
-    join(basePath, ...paths) {
-        return this.normalize(core.join(basePath, ...paths));
-    }
-    relative(from, to) {
-        return this.normalize(core.relative(from, to));
-    }
-    basename(filePath, extension) {
-        return posixPath__namespace.basename(filePath, extension);
-    }
-    normalize(path) {
-        return core.normalize(path);
-    }
-    resolve(...paths) {
-        const normalizedPaths = paths.map((p) => core.normalize(p));
-        // In dev-kit, the NodeJS working directory should never be
-        // considered, so `/` is the last resort over `cwd`.
-        return this.normalize(posixPath__namespace.resolve(core.normalize('/'), ...normalizedPaths));
-    }
-    pwd() {
-        return '/';
-    }
-    isCaseSensitive() {
-        return true;
-    }
-    exists(path) {
-        return statPath(this.tree, path) !== null;
-    }
-    readFile(path) {
-        return this.tree.readText(path);
-    }
-    readFileBuffer(path) {
-        const buffer = this.tree.read(path);
-        if (buffer === null) {
-            throw new Error(`File does not exist: ${path}`);
-        }
-        return buffer;
-    }
-    readdir(path) {
-        const dir = this.tree.getDir(path);
-        return [
-            ...dir.subdirs,
-            ...dir.subfiles,
-        ];
-    }
-    lstat(path) {
-        const stat = statPath(this.tree, path);
-        if (stat === null) {
-            throw new Error(`File does not exist for "lstat": ${path}`);
-        }
-        return stat;
-    }
-    stat(path) {
-        const stat = statPath(this.tree, path);
-        if (stat === null) {
-            throw new Error(`File does not exist for "stat": ${path}`);
-        }
-        return stat;
-    }
-    realpath(filePath) {
-        return filePath;
-    }
-    getDefaultLibLocation() {
-        return 'node_modules/typescript/lib';
-    }
-    ensureDir(path) {
-        // Migrations should compute replacements and not write directly.
-        throw new Error('DevkitFilesystem#ensureDir is not supported.');
-    }
-    writeFile(path, data) {
-        // Migrations should compute replacements and not write directly.
-        throw new Error('DevkitFilesystem#writeFile is not supported.');
-    }
-    removeFile(path) {
-        // Migrations should compute replacements and not write directly.
-        throw new Error('DevkitFilesystem#removeFile is not supported.');
-    }
-    copyFile(from, to) {
-        // Migrations should compute replacements and not write directly.
-        throw new Error('DevkitFilesystem#copyFile is not supported.');
-    }
-    moveFile(from, to) {
-        // Migrations should compute replacements and not write directly.
-        throw new Error('DevkitFilesystem#moveFile is not supported.');
-    }
-    removeDeep(path) {
-        // Migrations should compute replacements and not write directly.
-        throw new Error('DevkitFilesystem#removeDeep is not supported.');
-    }
-    chdir(_path) {
-        throw new Error('FileSystem#chdir is not supported.');
-    }
-    symlink() {
-        throw new Error('FileSystem#symlink is not supported.');
-    }
-}
-/** Stats the given path in the virtual tree. */
-function statPath(tree, path) {
-    let fileInfo = null;
-    let dirInfo = null;
-    try {
-        fileInfo = tree.get(path);
-    }
-    catch (e) {
-        if (e.constructor.name === 'PathIsDirectoryException') {
-            dirInfo = tree.getDir(path);
-        }
-        else {
-            throw e;
-        }
-    }
-    if (fileInfo !== null || dirInfo !== null) {
-        return {
-            isDirectory: () => dirInfo !== null,
-            isFile: () => fileInfo !== null,
-            isSymbolicLink: () => false,
-        };
-    }
-    return null;
-}
-
-/**
- * Groups the given replacements per project relative
- * file path.
- *
- * This allows for simple execution of the replacements
- * against a given file. E.g. via {@link applyTextUpdates}.
- */
-function groupReplacementsByFile(replacements) {
-    const result = new Map();
-    for (const { projectFile, update } of replacements) {
-        if (!result.has(projectFile.rootRelativePath)) {
-            result.set(projectFile.rootRelativePath, []);
-        }
-        result.get(projectFile.rootRelativePath).push(update);
-    }
-    return result;
-}
-
-/**
- * Synchronously combines unit data for the given migration.
- *
- * Note: This helper is useful for testing and execution of
- * Tsurge migrations in non-batchable environments. In general,
- * prefer parallel execution of combining via e.g. Beam combiners.
- */
-async function synchronouslyCombineUnitData(migration, unitDatas) {
-    if (unitDatas.length === 0) {
-        return null;
-    }
-    if (unitDatas.length === 1) {
-        return unitDatas[0];
-    }
-    let combined = unitDatas[0];
-    for (let i = 1; i < unitDatas.length; i++) {
-        const other = unitDatas[i];
-        combined = await migration.combine(combined, other);
-    }
-    return combined;
-}
-
-/** Whether we are executing inside Google */
-function isGoogle3() {
-    return process.env['GOOGLE3_TSURGE'] === '1';
-}
-/**
- * By default, Tsurge will always create an Angular compiler program
- * for projects analyzed and migrated. This works perfectly fine in
- * third-party where Tsurge migrations run in Angular CLI projects.
- *
- * In first party, when running against full Google3, creating an Angular
- * program for e.g. plain `ts_library` targets is overly expensive and
- * can result in out of memory issues for large TS targets. In 1P we can
- * reliably distinguish between TS and Angular targets via the `angularCompilerOptions`.
- */
-function google3UsePlainTsProgramIfNoKnownAngularOption() {
-    return process.env['GOOGLE3_TSURGE'] === '1';
-}
-
-/** Options that are good defaults for Tsurge migrations. */
-const defaultMigrationTsOptions = {
-    // Avoid checking libraries to speed up migrations.
-    skipLibCheck: true,
-    skipDefaultLibCheck: true,
-    noEmit: true,
-    // Does not apply to g3 and externally is enforced when the app is built by the compiler.
-    disableTypeScriptVersionCheck: true,
-};
-/**
- * Creates an instance of a TypeScript program for the given project.
- */
-function createPlainTsProgram(tsHost, tsconfig, optionOverrides) {
-    const program = ts.createProgram({
-        rootNames: tsconfig.rootNames,
-        options: {
-            ...tsconfig.options,
-            ...defaultMigrationTsOptions,
-            ...optionOverrides,
-        },
-    });
-    return {
-        ngCompiler: null,
-        program,
-        userOptions: tsconfig.options,
-        __programAbsoluteRootFileNames: tsconfig.rootNames,
-        host: tsHost,
-    };
-}
-
-/**
- * Parses the configuration of the given TypeScript project and creates
- * an instance of the Angular compiler for the project.
- */
-function createNgtscProgram(tsHost, tsconfig, optionOverrides) {
-    const ngtscProgram = new index.NgtscProgram(tsconfig.rootNames, {
-        ...tsconfig.options,
-        ...defaultMigrationTsOptions,
-        ...optionOverrides,
-    }, tsHost);
-    // Expose an easy way to debug-print ng semantic diagnostics.
-    if (process.env['DEBUG_NG_SEMANTIC_DIAGNOSTICS'] === '1') {
-        console.error(ts.formatDiagnosticsWithColorAndContext(ngtscProgram.getNgSemanticDiagnostics(), tsHost));
-    }
-    return {
-        ngCompiler: ngtscProgram.compiler,
-        program: ngtscProgram.getTsProgram(),
-        userOptions: tsconfig.options,
-        __programAbsoluteRootFileNames: tsconfig.rootNames,
-        host: tsHost,
-    };
-}
-
-/** Code of the error raised by TypeScript when a tsconfig doesn't match any files. */
-const NO_INPUTS_ERROR_CODE = 18003;
-/** Parses the given tsconfig file, supporting Angular compiler options. */
-function parseTsconfigOrDie(absoluteTsconfigPath, fs) {
-    const tsconfig = readConfiguration(absoluteTsconfigPath, {}, fs);
-    // Skip the "No inputs found..." error since we don't want to interrupt the migration if a
-    // tsconfig doesn't match a file. This will result in an empty `Program` which is still valid.
-    const errors = tsconfig.errors.filter((diag) => diag.code !== NO_INPUTS_ERROR_CODE);
-    if (errors.length) {
-        throw new Error(`Tsconfig could not be parsed or is invalid:\n\n` + `${errors.map((e) => e.messageText)}`);
-    }
-    return tsconfig;
-}
-
-// Note: Try to keep mostly in sync with
-// //depot/google3/javascript/angular2/tools/ngc_wrapped/tsc_plugin.ts
-// TODO: Consider moving this logic into the 1P launcher.
-const EXT = /(\.ts|\.d\.ts|\.js|\.jsx|\.tsx)$/;
-function fileNameToModuleNameFactory(rootDirs, workspaceName) {
-    return (importedFilePath) => {
-        let relativePath = '';
-        for (const rootDir of rootDirs) {
-            const rel = path__namespace.posix.relative(rootDir, importedFilePath);
-            if (!rel.startsWith('.')) {
-                relativePath = rel;
-                break;
-            }
-        }
-        if (relativePath) {
-            return `${workspaceName}/${relativePath.replace(EXT, '')}`;
-        }
-        else {
-            return importedFilePath.replace(EXT, '');
-        }
-    };
-}
-
-/** Creates the base program info for the given tsconfig path. */
-function createBaseProgramInfo(absoluteTsconfigPath, fs, optionOverrides = {}) {
-    // Make sure the FS becomes globally available. Some code paths
-    // of the Angular compiler, or tsconfig parsing aren't leveraging
-    // the specified file system.
-    project_tsconfig_paths.setFileSystem(fs);
-    const tsconfig = parseTsconfigOrDie(absoluteTsconfigPath, fs);
-    const tsHost = new NgtscCompilerHost(fs, tsconfig.options);
-    // When enabled, use a plain TS program if we are sure it's not
-    // an Angular project based on the `tsconfig.json`.
-    if (google3UsePlainTsProgramIfNoKnownAngularOption() &&
-        tsconfig.options['_useHostForImportGeneration'] === undefined) {
-        return createPlainTsProgram(tsHost, tsconfig, optionOverrides);
-    }
-    // The Angular program may try to emit references during analysis or migration.
-    // To replicate the Google3 import emission here, ensure the unified module resolution
-    // can be enabled by the compiler.
-    if (isGoogle3() && tsconfig.options.rootDirs) {
-        tsHost.fileNameToModuleName = fileNameToModuleNameFactory(tsconfig.options.rootDirs, 
-        /* workspaceName*/ 'google3');
-    }
-    return createNgtscProgram(tsHost, tsconfig, optionOverrides);
-}
-/**
- * Creates the {@link ProgramInfo} from the given base information.
- *
- * This function purely exists to support custom programs that are
- * intended to be injected into Tsurge migrations. e.g. for language
- * service refactorings.
- */
-function getProgramInfoFromBaseInfo(baseInfo) {
-    const fullProgramSourceFiles = [...baseInfo.program.getSourceFiles()];
-    const sourceFiles = fullProgramSourceFiles.filter((f) => !f.isDeclarationFile &&
-        // Note `isShim` will work for the initial program, but for TCB programs, the shims are no longer annotated.
-        !project_tsconfig_paths.isShim(f) &&
-        !f.fileName.endsWith('.ngtypecheck.ts'));
-    // Sort it by length in reverse order (longest first). This speeds up lookups,
-    // since there's no need to keep going through the array once a match is found.
-    const sortedRootDirs = project_tsconfig_paths.getRootDirs(baseInfo.host, baseInfo.userOptions).sort((a, b) => b.length - a.length);
-    // TODO: Consider also following TS's logic here, finding the common source root.
-    // See: Program#getCommonSourceDirectory.
-    const primaryRoot = project_tsconfig_paths.absoluteFrom(baseInfo.userOptions.rootDir ?? sortedRootDirs.at(-1) ?? baseInfo.program.getCurrentDirectory());
-    return {
-        ...baseInfo,
-        sourceFiles,
-        fullProgramSourceFiles,
-        sortedRootDirs,
-        projectRoot: primaryRoot,
-    };
-}
-
-/**
- * @private
- *
- * Base class for the possible Tsurge migration variants.
- *
- * For example, this class exposes methods to conveniently create
- * TypeScript programs, while also allowing migration authors to override.
- */
-class TsurgeBaseMigration {
-    /**
-     * Creates the TypeScript program for a given compilation unit.
-     *
-     * By default:
-     *  - In 3P: Ngtsc programs are being created.
-     *  - In 1P: Ngtsc or TS programs are created based on the Blaze target.
-     */
-    createProgram(tsconfigAbsPath, fs, optionsOverride) {
-        return getProgramInfoFromBaseInfo(createBaseProgramInfo(tsconfigAbsPath, fs, optionsOverride));
-    }
-}
-
-/**
- * A simpler variant of a {@link TsurgeComplexMigration} that does not
- * fan-out into multiple workers per compilation unit to compute
- * the final migration replacements.
- *
- * This is faster and less resource intensive as workers and TS programs
- * are only ever created once.
- *
- * This is commonly the case when migrations are refactored to eagerly
- * compute replacements in the analyze stage, and then leverage the
- * global unit data to filter replacements that turned out to be "invalid".
- */
-class TsurgeFunnelMigration extends TsurgeBaseMigration {
-}
-/**
- * Complex variant of a `Tsurge` migration.
- *
- * For example, every analyze worker may contribute to a list of TS
- * references that are later combined. The migrate phase can then compute actual
- * file updates for all individual compilation units, leveraging the global metadata
- * to e.g. see if there are any references from other compilation units that may be
- * problematic and prevent migration of a given file.
- */
-class TsurgeComplexMigration extends TsurgeBaseMigration {
-}
-
-/*!
- * @license
- * Copyright Google LLC All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.dev/license
- */
-exports.MigrationStage = void 0;
-(function (MigrationStage) {
-    /** The migration is analyzing an entrypoint */
-    MigrationStage[MigrationStage["Analysis"] = 0] = "Analysis";
-    /** The migration is about to migrate an entrypoint */
-    MigrationStage[MigrationStage["Migrate"] = 1] = "Migrate";
-})(exports.MigrationStage || (exports.MigrationStage = {}));
-/** Runs a Tsurge within an Angular Devkit context. */
-async function runMigrationInDevkit(config) {
-    const { buildPaths, testPaths } = await project_tsconfig_paths.getProjectTsConfigPaths(config.tree);
-    if (!buildPaths.length && !testPaths.length) {
-        throw new schematics.SchematicsException('Could not find any tsconfig file. Cannot run the migration.');
-    }
-    const tsconfigPaths = [...buildPaths, ...testPaths];
-    const fs = new DevkitMigrationFilesystem(config.tree);
-    project_tsconfig_paths.setFileSystem(fs);
-    const migration = config.getMigration(fs);
-    const unitResults = [];
-    const isFunnelMigration = migration instanceof TsurgeFunnelMigration;
-    const compilationUnitAssignments = new Map();
-    for (const tsconfigPath of tsconfigPaths) {
-        config.beforeProgramCreation?.(tsconfigPath, exports.MigrationStage.Analysis);
-        const info = migration.createProgram(tsconfigPath, fs);
-        modifyProgramInfoToEnsureNonOverlappingFiles(tsconfigPath, info, compilationUnitAssignments);
-        config.afterProgramCreation?.(info, fs, exports.MigrationStage.Analysis);
-        config.beforeUnitAnalysis?.(tsconfigPath);
-        unitResults.push(await migration.analyze(info));
-    }
-    config.afterAllAnalyzed?.();
-    const combined = await synchronouslyCombineUnitData(migration, unitResults);
-    if (combined === null) {
-        config.afterAnalysisFailure?.();
-        return;
-    }
-    const globalMeta = await migration.globalMeta(combined);
-    let replacements;
-    if (isFunnelMigration) {
-        replacements = (await migration.migrate(globalMeta)).replacements;
-    }
-    else {
-        replacements = [];
-        for (const tsconfigPath of tsconfigPaths) {
-            config.beforeProgramCreation?.(tsconfigPath, exports.MigrationStage.Migrate);
-            const info = migration.createProgram(tsconfigPath, fs);
-            modifyProgramInfoToEnsureNonOverlappingFiles(tsconfigPath, info, compilationUnitAssignments);
-            config.afterProgramCreation?.(info, fs, exports.MigrationStage.Migrate);
-            const result = await migration.migrate(globalMeta, info);
-            replacements.push(...result.replacements);
-        }
-    }
-    const replacementsPerFile = new Map();
-    const changesPerFile = groupReplacementsByFile(replacements);
-    for (const [file, changes] of changesPerFile) {
-        if (!replacementsPerFile.has(file)) {
-            replacementsPerFile.set(file, changes);
-        }
-    }
-    for (const [file, changes] of replacementsPerFile) {
-        const recorder = config.tree.beginUpdate(file);
-        for (const c of changes) {
-            recorder
-                .remove(c.data.position, c.data.end - c.data.position)
-                .insertRight(c.data.position, c.data.toInsert);
-        }
-        config.tree.commitUpdate(recorder);
-    }
-    config.whenDone?.(await migration.stats(globalMeta));
-}
-/**
- * Special logic for devkit migrations. In the Angular CLI, or in 3P precisely,
- * projects can have tsconfigs with overlapping source files. i.e. two tsconfigs
- * like e.g. build or test include the same `ts.SourceFile` (`.ts`). Migrations
- * should never have 2+ compilation units with overlapping source files as this
- * can result in duplicated replacements or analysis— hence we only ever assign a
- * source file to a compilation unit *once*.
- *
- * Note that this is fine as we expect Tsurge migrations to work together as
- * isolated compilation units— so it shouldn't matter if worst case a `.ts`
- * file ends up in the e.g. test program.
- */
-function modifyProgramInfoToEnsureNonOverlappingFiles(tsconfigPath, info, compilationUnitAssignments) {
-    const sourceFiles = [];
-    for (const sf of info.sourceFiles) {
-        const assignment = compilationUnitAssignments.get(sf.fileName);
-        // File is already assigned to a different compilation unit.
-        if (assignment !== undefined && assignment !== tsconfigPath) {
-            continue;
-        }
-        compilationUnitAssignments.set(sf.fileName, tsconfigPath);
-        sourceFiles.push(sf);
-    }
-    info.sourceFiles = sourceFiles;
-}
-
-/** A text replacement for the given file. */
-class Replacement {
-    projectFile;
-    update;
-    constructor(projectFile, update) {
-        this.projectFile = projectFile;
-        this.update = update;
-    }
-}
-/** An isolated text update that may be applied to a file. */
-class TextUpdate {
-    data;
-    constructor(data) {
-        this.data = data;
-    }
-}
-
-/** Confirms that the given data `T` is serializable. */
-function confirmAsSerializable(data) {
-    return data;
-}
-
-/**
- * Gets a project file instance for the given file.
- *
- * Use this helper for dealing with project paths throughout your
- * migration. The return type is serializable.
- *
- * See {@link ProjectFile}.
- */
-function projectFile(file, { sortedRootDirs, projectRoot }) {
-    const fs = project_tsconfig_paths.getFileSystem();
-    const filePath = fs.resolve(typeof file === 'string' ? file : file.fileName);
-    // Sorted root directories are sorted longest to shortest. First match
-    // is the appropriate root directory for ID computation.
-    for (const rootDir of sortedRootDirs) {
-        if (!isWithinBasePath(fs, rootDir, filePath)) {
-            continue;
-        }
-        return {
-            id: fs.relative(rootDir, filePath),
-            rootRelativePath: fs.relative(projectRoot, filePath),
-        };
-    }
-    // E.g. project directory may be `src/`, but files may be looked up
-    // from `node_modules/`. This is fine, but in those cases, no root
-    // directory matches.
-    const rootRelativePath = fs.relative(projectRoot, filePath);
-    return {
-        id: rootRelativePath,
-        rootRelativePath: rootRelativePath,
-    };
-}
-/**
- * Whether `path` is a descendant of the `base`?
- * E.g. `a/b/c` is within `a/b` but not within `a/x`.
- */
-function isWithinBasePath(fs, base, path) {
-    return project_tsconfig_paths.isLocalRelativePath(fs.relative(base, path));
-}
-
-exports.Replacement = Replacement;
-exports.TextUpdate = TextUpdate;
-exports.TsurgeComplexMigration = TsurgeComplexMigration;
-exports.TsurgeFunnelMigration = TsurgeFunnelMigration;
-exports.confirmAsSerializable = confirmAsSerializable;
-exports.projectFile = projectFile;
-exports.runMigrationInDevkit = runMigrationInDevkit;

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10414891

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