@jridgewell/gen-mapping - npm Package Compare versions

Comparing version 0.3.3 to 0.3.4

dist/gen-mapping.umd.js

@@ -15,11 +15,27 @@ (function (global, factory) {
     /**
-     * A low-level API to associate a generated position with an original source position. Line and
-     * column here are 0-based, unlike `addMapping`.
+     * Provides the state to generate a sourcemap.
      */
-    exports.addSegment = void 0;
+    class GenMapping {
+        constructor({ file, sourceRoot } = {}) {
+            this._names = new setArray.SetArray();
+            this._sources = new setArray.SetArray();
+            this._sourcesContent = [];
+            this._mappings = [];
+            this.file = file;
+            this.sourceRoot = sourceRoot;
+        }
+    }
     /**
-     * A high-level API to associate a generated position with an original source position. Line is
-     * 1-based, but column is 0-based, due to legacy behavior in `source-map` library.
+     * Typescript doesn't allow friend access to private fields, so this just casts the map into a type
+     * with public access modifiers.
      */
-    exports.addMapping = void 0;
+    function cast(map) {
+        return map;
+    }
+    function addSegment(map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
+        return addSegmentInternal(false, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content);
+    }
+    function addMapping(map, mapping) {
+        return addMappingInternal(false, map, mapping);
+    }
     /**
@@ -30,3 +46,5 @@ * Same as `addSegment`, but will only add the segment if it generates useful information in the
      */
-    exports.maybeAddSegment = void 0;
+    const maybeAddSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
+        return addSegmentInternal(true, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content);
+    };
     /**
@@ -37,7 +55,12 @@ * Same as `addMapping`, but will only add the mapping if it generates useful information in the
      */
-    exports.maybeAddMapping = void 0;
+    const maybeAddMapping = (map, mapping) => {
+        return addMappingInternal(true, map, mapping);
+    };
     /**
      * Adds/removes the content of the source file to the source map.
      */
-    exports.setSourceContent = void 0;
+    function setSourceContent(map, source, content) {
+        const { _sources: sources, _sourcesContent: sourcesContent } = cast(map);
+        sourcesContent[setArray.put(sources, source)] = content;
+    }
     /**
@@ -47,3 +70,15 @@ * Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
      */
-    exports.toDecodedMap = void 0;
+    function toDecodedMap(map) {
+        const { _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = cast(map);
+        removeEmptyFinalLines(mappings);
+        return {
+            version: 3,
+            file: map.file || undefined,
+            names: names.array,
+            sourceRoot: map.sourceRoot || undefined,
+            sources: sources.array,
+            sourcesContent,
+            mappings,
+        };
+    }
     /**
@@ -53,7 +88,18 @@ * Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
      */
-    exports.toEncodedMap = void 0;
+    function toEncodedMap(map) {
+        const decoded = toDecodedMap(map);
+        return Object.assign(Object.assign({}, decoded), { mappings: sourcemapCodec.encode(decoded.mappings) });
+    }
     /**
      * Constructs a new GenMapping, using the already present mappings of the input.
      */
-    exports.fromMap = void 0;
+    function fromMap(input) {
+        const map = new traceMapping.TraceMap(input);
+        const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
+        putAll(cast(gen)._names, map.names);
+        putAll(cast(gen)._sources, map.sources);
+        cast(gen)._sourcesContent = map.sourcesContent || map.sources.map(() => null);
+        cast(gen)._mappings = traceMapping.decodedMappings(map);
+        return gen;
+    }
     /**
@@ -63,105 +109,45 @@ * Returns an array of high-level mapping objects for every recorded segment, which could then be
      */
-    exports.allMappings = void 0;
+    function allMappings(map) {
+        const out = [];
+        const { _mappings: mappings, _sources: sources, _names: names } = cast(map);
+        for (let i = 0; i < mappings.length; i++) {
+            const line = mappings[i];
+            for (let j = 0; j < line.length; j++) {
+                const seg = line[j];
+                const generated = { line: i + 1, column: seg[COLUMN] };
+                let source = undefined;
+                let original = undefined;
+                let name = undefined;
+                if (seg.length !== 1) {
+                    source = sources.array[seg[SOURCES_INDEX]];
+                    original = { line: seg[SOURCE_LINE] + 1, column: seg[SOURCE_COLUMN] };
+                    if (seg.length === 5)
+                        name = names.array[seg[NAMES_INDEX]];
+                }
+                out.push({ generated, source, original, name });
+            }
+        }
+        return out;
+    }
     // This split declaration is only so that terser can elminiate the static initialization block.
-    let addSegmentInternal;
-    /**
-     * Provides the state to generate a sourcemap.
-     */
-    class GenMapping {
-        constructor({ file, sourceRoot } = {}) {
-            this._names = new setArray.SetArray();
-            this._sources = new setArray.SetArray();
-            this._sourcesContent = [];
-            this._mappings = [];
-            this.file = file;
-            this.sourceRoot = sourceRoot;
+    function addSegmentInternal(skipable, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) {
+        const { _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = cast(map);
+        const line = getLine(mappings, genLine);
+        const index = getColumnIndex(line, genColumn);
+        if (!source) {
+            if (skipable && skipSourceless(line, index))
+                return;
+            return insert(line, index, [genColumn]);
         }
+        const sourcesIndex = setArray.put(sources, source);
+        const namesIndex = name ? setArray.put(names, name) : NO_NAME;
+        if (sourcesIndex === sourcesContent.length)
+            sourcesContent[sourcesIndex] = content !== null && content !== void 0 ? content : null;
+        if (skipable && skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex)) {
+            return;
+        }
+        return insert(line, index, name
+            ? [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex]
+            : [genColumn, sourcesIndex, sourceLine, sourceColumn]);
     }
-    (() => {
-        exports.addSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
-            return addSegmentInternal(false, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content);
-        };
-        exports.maybeAddSegment = (map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
-            return addSegmentInternal(true, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content);
-        };
-        exports.addMapping = (map, mapping) => {
-            return addMappingInternal(false, map, mapping);
-        };
-        exports.maybeAddMapping = (map, mapping) => {
-            return addMappingInternal(true, map, mapping);
-        };
-        exports.setSourceContent = (map, source, content) => {
-            const { _sources: sources, _sourcesContent: sourcesContent } = map;
-            sourcesContent[setArray.put(sources, source)] = content;
-        };
-        exports.toDecodedMap = (map) => {
-            const { file, sourceRoot, _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = map;
-            removeEmptyFinalLines(mappings);
-            return {
-                version: 3,
-                file: file || undefined,
-                names: names.array,
-                sourceRoot: sourceRoot || undefined,
-                sources: sources.array,
-                sourcesContent,
-                mappings,
-            };
-        };
-        exports.toEncodedMap = (map) => {
-            const decoded = exports.toDecodedMap(map);
-            return Object.assign(Object.assign({}, decoded), { mappings: sourcemapCodec.encode(decoded.mappings) });
-        };
-        exports.allMappings = (map) => {
-            const out = [];
-            const { _mappings: mappings, _sources: sources, _names: names } = map;
-            for (let i = 0; i < mappings.length; i++) {
-                const line = mappings[i];
-                for (let j = 0; j < line.length; j++) {
-                    const seg = line[j];
-                    const generated = { line: i + 1, column: seg[COLUMN] };
-                    let source = undefined;
-                    let original = undefined;
-                    let name = undefined;
-                    if (seg.length !== 1) {
-                        source = sources.array[seg[SOURCES_INDEX]];
-                        original = { line: seg[SOURCE_LINE] + 1, column: seg[SOURCE_COLUMN] };
-                        if (seg.length === 5)
-                            name = names.array[seg[NAMES_INDEX]];
-                    }
-                    out.push({ generated, source, original, name });
-                }
-            }
-            return out;
-        };
-        exports.fromMap = (input) => {
-            const map = new traceMapping.TraceMap(input);
-            const gen = new GenMapping({ file: map.file, sourceRoot: map.sourceRoot });
-            putAll(gen._names, map.names);
-            putAll(gen._sources, map.sources);
-            gen._sourcesContent = map.sourcesContent || map.sources.map(() => null);
-            gen._mappings = traceMapping.decodedMappings(map);
-            return gen;
-        };
-        // Internal helpers
-        addSegmentInternal = (skipable, map, genLine, genColumn, source, sourceLine, sourceColumn, name, content) => {
-            const { _mappings: mappings, _sources: sources, _sourcesContent: sourcesContent, _names: names, } = map;
-            const line = getLine(mappings, genLine);
-            const index = getColumnIndex(line, genColumn);
-            if (!source) {
-                if (skipable && skipSourceless(line, index))
-                    return;
-                return insert(line, index, [genColumn]);
-            }
-            const sourcesIndex = setArray.put(sources, source);
-            const namesIndex = name ? setArray.put(names, name) : NO_NAME;
-            if (sourcesIndex === sourcesContent.length)
-                sourcesContent[sourcesIndex] = content !== null && content !== void 0 ? content : null;
-            if (skipable && skipSource(line, index, sourcesIndex, sourceLine, sourceColumn, namesIndex)) {
-                return;
-            }
-            return insert(line, index, name
-                ? [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex]
-                : [genColumn, sourcesIndex, sourceLine, sourceColumn]);
-        };
-    })();
     function getLine(mappings, index) {
@@ -233,7 +219,15 @@ for (let i = mappings.length; i <= index; i++) {
         }
-        const s = source;
-        return addSegmentInternal(skipable, map, generated.line - 1, generated.column, s, original.line - 1, original.column, name, content);
+        return addSegmentInternal(skipable, map, generated.line - 1, generated.column, source, original.line - 1, original.column, name, content);
     }
 
     exports.GenMapping = GenMapping;
+    exports.addMapping = addMapping;
+    exports.addSegment = addSegment;
+    exports.allMappings = allMappings;
+    exports.fromMap = fromMap;
+    exports.maybeAddMapping = maybeAddMapping;
+    exports.maybeAddSegment = maybeAddSegment;
+    exports.setSourceContent = setSourceContent;
+    exports.toDecodedMap = toDecodedMap;
+    exports.toEncodedMap = toEncodedMap;
 
@@ -240,0 +234,0 @@ Object.defineProperty(exports, '__esModule', { value: true });

dist/types/gen-mapping.d.ts

@@ -9,10 +9,20 @@ import type { SourceMapInput } from '@jridgewell/trace-mapping';
 /**
+ * Provides the state to generate a sourcemap.
+ */
+export declare class GenMapping {
+    private _names;
+    private _sources;
+    private _sourcesContent;
+    private _mappings;
+    file: string | null | undefined;
+    sourceRoot: string | null | undefined;
+    constructor({ file, sourceRoot }?: Options);
+}
+/**
  * A low-level API to associate a generated position with an original source position. Line and
  * column here are 0-based, unlike `addMapping`.
  */
-export declare let addSegment: {
-    (map: GenMapping, genLine: number, genColumn: number, source?: null, sourceLine?: null, sourceColumn?: null, name?: null, content?: null): void;
-    (map: GenMapping, genLine: number, genColumn: number, source: string, sourceLine: number, sourceColumn: number, name?: null, content?: string | null): void;
-    (map: GenMapping, genLine: number, genColumn: number, source: string, sourceLine: number, sourceColumn: number, name: string, content?: string | null): void;
-};
+export declare function addSegment(map: GenMapping, genLine: number, genColumn: number, source?: null, sourceLine?: null, sourceColumn?: null, name?: null, content?: null): void;
+export declare function addSegment(map: GenMapping, genLine: number, genColumn: number, source: string, sourceLine: number, sourceColumn: number, name?: null, content?: string | null): void;
+export declare function addSegment(map: GenMapping, genLine: number, genColumn: number, source: string, sourceLine: number, sourceColumn: number, name: string, content?: string | null): void;
 /**
@@ -22,25 +32,23 @@ * A high-level API to associate a generated position with an original source position. Line is
  */
-export declare let addMapping: {
-    (map: GenMapping, mapping: {
-        generated: Pos;
-        source?: null;
-        original?: null;
-        name?: null;
-        content?: null;
-    }): void;
-    (map: GenMapping, mapping: {
-        generated: Pos;
-        source: string;
-        original: Pos;
-        name?: null;
-        content?: string | null;
-    }): void;
-    (map: GenMapping, mapping: {
-        generated: Pos;
-        source: string;
-        original: Pos;
-        name: string;
-        content?: string | null;
-    }): void;
-};
+export declare function addMapping(map: GenMapping, mapping: {
+    generated: Pos;
+    source?: null;
+    original?: null;
+    name?: null;
+    content?: null;
+}): void;
+export declare function addMapping(map: GenMapping, mapping: {
+    generated: Pos;
+    source: string;
+    original: Pos;
+    name?: null;
+    content?: string | null;
+}): void;
+export declare function addMapping(map: GenMapping, mapping: {
+    generated: Pos;
+    source: string;
+    original: Pos;
+    name: string;
+    content?: string | null;
+}): void;
 /**
@@ -51,3 +59,3 @@ * Same as `addSegment`, but will only add the segment if it generates useful information in the
  */
-export declare let maybeAddSegment: typeof addSegment;
+export declare const maybeAddSegment: typeof addSegment;
 /**
@@ -58,7 +66,7 @@ * Same as `addMapping`, but will only add the mapping if it generates useful information in the
  */
-export declare let maybeAddMapping: typeof addMapping;
+export declare const maybeAddMapping: typeof addMapping;
 /**
  * Adds/removes the content of the source file to the source map.
  */
-export declare let setSourceContent: (map: GenMapping, source: string, content: string | null) => void;
+export declare function setSourceContent(map: GenMapping, source: string, content: string | null): void;
 /**
@@ -68,3 +76,3 @@ * Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
  */
-export declare let toDecodedMap: (map: GenMapping) => DecodedSourceMap;
+export declare function toDecodedMap(map: GenMapping): DecodedSourceMap;
 /**
@@ -74,7 +82,7 @@ * Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
  */
-export declare let toEncodedMap: (map: GenMapping) => EncodedSourceMap;
+export declare function toEncodedMap(map: GenMapping): EncodedSourceMap;
 /**
  * Constructs a new GenMapping, using the already present mappings of the input.
  */
-export declare let fromMap: (input: SourceMapInput) => GenMapping;
+export declare function fromMap(input: SourceMapInput): GenMapping;
 /**
@@ -84,14 +92,2 @@ * Returns an array of high-level mapping objects for every recorded segment, which could then be
  */
-export declare let allMappings: (map: GenMapping) => Mapping[];
-/**
- * Provides the state to generate a sourcemap.
- */
-export declare class GenMapping {
-    private _names;
-    private _sources;
-    private _sourcesContent;
-    private _mappings;
-    file: string | null | undefined;
-    sourceRoot: string | null | undefined;
-    constructor({ file, sourceRoot }?: Options);
-}
+export declare function allMappings(map: GenMapping): Mapping[];

package.json

 {
   "name": "@jridgewell/gen-mapping",
-  "version": "0.3.3",
+  "version": "0.3.4",
   "description": "Generate source maps",
@@ -44,4 +44,3 @@ "keywords": [
     "lint:ts": "npm run test:lint:ts -- --fix",
-    "pretest": "run-s build:rollup",
-    "test": "run-s -n test:lint test:coverage",
+    "test": "run-s -n test:lint test:only",
     "test:debug": "mocha --inspect-brk",
@@ -51,5 +50,4 @@ "test:lint": "run-s -n test:lint:*",
     "test:lint:ts": "eslint '{src,test}/**/*.ts'",
-    "test:only": "mocha",
-    "test:coverage": "c8 mocha",
-    "test:watch": "run-p 'build:rollup -- --watch' 'test:only -- --watch'",
+    "test:only": "c8 mocha",
+    "test:watch": "mocha --watch",
     "prepublishOnly": "npm run preversion",
@@ -72,2 +70,3 @@ "preversion": "run-s test build"
     "rollup": "2.70.2",
+    "tsx": "4.7.1",
     "typescript": "4.6.3"
@@ -74,0 +73,0 @@ },

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Worsened metrics

Total package byte prevSize

77305

decreased by-2.38%

Dev dependency count

15

increased by7.14%

Lines of code

570

decreased by-4.2%

No dependency changes