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metro - npm Package Compare versions

Comparing version 0.80.5 to 0.80.6

32

package.json
{
"name": "metro",
"version": "0.80.5",
"version": "0.80.6",
"description": "🚇 The JavaScript bundler for React Native.",

@@ -31,3 +31,3 @@ "main": "src/index.js",

"graceful-fs": "^4.2.4",
"hermes-parser": "0.18.2",
"hermes-parser": "0.19.1",
"image-size": "^1.0.2",

@@ -38,14 +38,14 @@ "invariant": "^2.2.4",

"lodash.throttle": "^4.1.1",
"metro-babel-transformer": "0.80.5",
"metro-cache": "0.80.5",
"metro-cache-key": "0.80.5",
"metro-config": "0.80.5",
"metro-core": "0.80.5",
"metro-file-map": "0.80.5",
"metro-resolver": "0.80.5",
"metro-runtime": "0.80.5",
"metro-source-map": "0.80.5",
"metro-symbolicate": "0.80.5",
"metro-transform-plugins": "0.80.5",
"metro-transform-worker": "0.80.5",
"metro-babel-transformer": "0.80.6",
"metro-cache": "0.80.6",
"metro-cache-key": "0.80.6",
"metro-config": "0.80.6",
"metro-core": "0.80.6",
"metro-file-map": "0.80.6",
"metro-resolver": "0.80.6",
"metro-runtime": "0.80.6",
"metro-source-map": "0.80.6",
"metro-symbolicate": "0.80.6",
"metro-transform-plugins": "0.80.6",
"metro-transform-worker": "0.80.6",
"mime-types": "^2.1.27",

@@ -71,4 +71,4 @@ "node-fetch": "^2.2.0",

"jest-snapshot-serializer-raw": "^1.2.0",
"metro-babel-register": "0.80.5",
"metro-memory-fs": "0.80.5",
"metro-babel-register": "0.80.6",
"metro-memory-fs": "0.80.6",
"mock-req": "^0.2.0",

@@ -75,0 +75,0 @@ "mock-res": "^0.6.0",

35

src/Assets.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -22,4 +11,2 @@

const readFile = denodeify(fs.readFile);
// Test extension against all types supported by image-size module.
// If it's not one of these, we won't treat it as an image.
function isAssetTypeAnImage(type) {

@@ -159,10 +146,5 @@ return (

) {
// If the path of the asset is outside of the projectRoot, we don't want to
// use `path.join` since this will generate an incorrect URL path. In that
// case we just concatenate the publicPath with the relative path.
let assetUrlPath = localPath.startsWith("..")
? publicPath.replace(/\/$/, "") + "/" + path.dirname(localPath)
: path.join(publicPath, path.dirname(localPath));
// On Windows, change backslashes to slashes to get proper URL path from file path.
if (path.sep === "\\") {

@@ -197,3 +179,2 @@ assetUrlPath = assetUrlPath.replaceAll("\\", "/");

const [currentAssetPlugin, ...remainingAssetPlugins] = assetDataPlugins;
// $FlowFixMe: impossible to type a dynamic require.
const assetPluginFunction = require(currentAssetPlugin);

@@ -203,6 +184,2 @@ const resultAssetData = await assetPluginFunction(assetData);

}
/**
* Returns all the associated files (for different resolutions) of an asset.
**/
async function getAssetFiles(assetPath, platform = null) {

@@ -212,14 +189,2 @@ const assetData = await getAbsoluteAssetRecord(assetPath, platform);

}
/**
* Return a buffer with the actual image given a request for an image by path.
* The relativePath can contain a resolution postfix, in this case we need to
* find that image (or the closest one to it's resolution) in one of the
* project roots:
*
* 1. We first parse the directory of the asset
* 2. We then build a map of all assets and their scales in this directory
* 3. Then try to pick platform-specific asset records
* 4. Then pick the closest resolution (rounding up) to the requested one
*/
async function getAsset(

@@ -226,0 +191,0 @@ relativePath,

21

src/Bundler.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -52,9 +41,3 @@

}
async transformFile(
filePath,
transformOptions /** Optionally provide the file contents, this can be used to provide virtual contents for a file. */,
fileBuffer
) {
// We need to be sure that the DependencyGraph has been initialized.
// TODO: Remove this ugly hack!
async transformFile(filePath, transformOptions, fileBuffer) {
await this._depGraph.ready();

@@ -67,4 +50,2 @@ return this._transformer.transformFile(

}
// Waits for the bundler to become ready.
async ready() {

@@ -71,0 +52,0 @@ await this._readyPromise;

30

src/Bundler/util.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -23,4 +12,2 @@

);
// {...}
const descriptorAst = babylon.parseExpression(

@@ -30,4 +17,2 @@ JSON.stringify(properDescriptor)

const t = babelTypes;
// require('AssetRegistry').registerAsset({...})
const buildRequire = template.statement(`

@@ -50,3 +35,2 @@ module.exports = require(ASSET_REGISTRY_PATH).registerAsset(DESCRIPTOR_AST)

for (const key of blockList) {
// $FlowFixMe[prop-missing]
delete copied[key];

@@ -57,4 +41,2 @@ }

function createRamBundleGroups(ramGroups, groupableModules, subtree) {
// build two maps that allow to lookup module data
// by path or (numeric) module id;
const byPath = new Map();

@@ -66,4 +48,2 @@ const byId = new Map();

});
// build a map of group root IDs to an array of module IDs in the group
const result = new Map(

@@ -75,11 +55,6 @@ ramGroups.map((modulePath) => {

}
return [
root.id,
// `subtree` yields the IDs of all transitive dependencies of a module
new Set(subtree(root, byPath)),
];
return [root.id, new Set(subtree(root, byPath))];
})
);
if (ramGroups.length > 1) {
// build a map of all grouped module IDs to an array of group root IDs
const all = new ArrayMap();

@@ -91,7 +66,4 @@ for (const [parent, children] of result) {

}
// find all module IDs that are part of more than one group
const doubles = filter(all, ([, parents]) => parents.length > 1);
for (const [moduleId, parents] of doubles) {
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
const parentNames = parents.map(byId.get, byId);

@@ -98,0 +70,0 @@ const lastName = parentNames.pop();

11

src/cli-utils.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

13

src/cli.js
#!/usr/bin/env node
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
try {
// $FlowFixMe[untyped-import]
require("metro-babel-register").unstable_registerForMetroMonorepo();

@@ -20,4 +9,2 @@ } catch {}

const yargs = require("yargs");
// $FlowFixMe[unused-promise]
attachMetroCli(yargs.demandCommand(1)).argv;

11

src/cli/parseKeyValueParamArray.js

@@ -11,13 +11,2 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
function coerceKeyValueArray(keyValueArray) {

@@ -24,0 +13,0 @@ const result = Object.create(null);

15

src/commands/build.js

@@ -9,13 +9,2 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
const { makeAsyncCommand } = require("../cli-utils");

@@ -89,4 +78,2 @@ const TerminalReporter = require("../lib/TerminalReporter");

});
// Deprecated
yargs.option("reset-cache", {

@@ -109,4 +96,2 @@ type: "boolean",

};
// Inline require() to avoid circular dependency with ../index
const MetroApi = require("../index");

@@ -113,0 +98,0 @@ await MetroApi.runBuild(config, {

20

src/commands/dependencies.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -27,4 +16,2 @@

}
// $FlowFixMe[cannot-write]
config.cacheStores = [];

@@ -47,6 +34,2 @@ const relativePath = path.relative(

deps.forEach((modulePath) => {
// Temporary hack to disable listing dependencies not under this directory.
// Long term, we need either
// (a) JS code to not depend on anything outside this directory, or
// (b) Come up with a way to declare this dependency in Buck.
const isInsideProjectRoots =

@@ -61,4 +44,3 @@ config.watchFolders.filter((root) => modulePath.startsWith(root)).length >

return args.output != null
? // $FlowFixMe[method-unbinding]
promisify(outStream.end).bind(outStream)()
? promisify(outStream.end).bind(outStream)()
: Promise.resolve();

@@ -65,0 +47,0 @@ }

19

src/commands/serve.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -66,9 +55,5 @@

});
// Deprecated
yargs.option("reset-cache", {
type: "boolean",
});
// Examples
yargs.example(

@@ -89,10 +74,6 @@ "secure-server-options",

if (server) {
// eslint-disable-next-line no-console
console.log("Configuration changed. Restarting the server...");
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
await promisify(server.close).call(server);
}
const config = await loadConfig(argv);
// Inline require() to avoid circular dependency with ../index
const MetroApi = require("../index");

@@ -99,0 +80,0 @@ const {

21

src/DeltaBundler.js

@@ -1,21 +0,4 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
const DeltaCalculator = require("./DeltaBundler/DeltaCalculator");
/**
* `DeltaBundler` uses the `DeltaTransformer` to build bundle deltas. This
* module handles all the transformer instances so it can support multiple
* concurrent clients requesting their own deltas. This is done through the
* `clientId` param (which maps a client to a specific delta transformer).
*/
class DeltaBundler {

@@ -44,6 +27,2 @@ _deltaCalculators = new Map();

}
// Note: the graph returned by this function needs to be ended when finished
// so that we don't leak graphs that are not reachable.
// To get just the dependencies, use getDependencies which will not leak graphs.
async buildGraph(entryPoints, options) {

@@ -50,0 +29,0 @@ const deltaCalculator = new DeltaCalculator(

14

src/DeltaBundler/__fixtures__/hasteImpl.js

@@ -1,18 +0,4 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @oncall react_native
*/
"use strict";
const fs = require("fs");
/**
* Simple hasteImpl that parses @providesModule annotation from JS modules.
*/
module.exports = {

@@ -19,0 +5,0 @@ getHasteName(filename) {

24

src/DeltaBundler/buildSubgraph.js

@@ -12,12 +12,2 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
function resolveDependencies(parentPath, dependencies, resolve) {

@@ -29,8 +19,4 @@ const maybeResolvedDeps = new Map();

const key = dep.data.key;
// `require.context`
const { contextParams } = dep.data;
if (contextParams) {
// Ensure the filepath has uniqueness applied to ensure multiple `require.context`
// statements can be used to target the same file with different properties.
const from = _path.default.join(parentPath, "..", dep.name);

@@ -62,4 +48,2 @@ const absolutePath = (0, _contextModule.deriveAbsolutePathFromContext)(

} catch (error) {
// Ignore unavailable optional dependencies. They are guarded
// with a try-catch block and will be handled during runtime.
if (dep.data.isOptional !== true) {

@@ -78,7 +62,2 @@ throw error;

const resolvedDeps = new Map();
// Return just the dependencies we successfully resolved.
// FIXME: This has a bad bug affecting all dependencies *after* an unresolved
// optional dependency. We'll need to propagate the nulls all the way to the
// serializer and the require() runtime to keep the dependency map from being
// desynced from the contents of the module.
for (const [key, resolvedDep] of maybeResolvedDeps) {

@@ -108,5 +87,2 @@ if (resolvedDep) {

const transformResult = await transform(absolutePath, requireContext);
// Get the absolute path of all sub-dependencies (some of them could have been
// moved but maintain the same relative path).
const resolutionResult = resolveDependencies(

@@ -113,0 +89,0 @@ absolutePath,

86

src/DeltaBundler/DeltaCalculator.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -21,9 +10,2 @@

const { EventEmitter } = require("events");
/**
* This class is in charge of calculating the delta of changed modules that
* happen between calls. To do so, it subscribes to file changes, so it can
* traverse the files that have been changed between calls and avoid having to
* traverse the whole dependency tree for trivial small changes.
*/
class DeltaCalculator extends EventEmitter {

@@ -44,6 +26,2 @@ _deletedFiles = new Set();

}
/**
* Stops listening for file changes and clears all the caches.
*/
end() {

@@ -55,4 +33,2 @@ this._changeEventSource.removeListener(

this.removeAllListeners();
// Clean up all the cache data structures to deallocate memory.
this._graph = new _Graph.Graph({

@@ -66,18 +42,7 @@ entryPoints: this._graph.entryPoints,

}
/**
* Main method to calculate the delta of modules. It returns a DeltaResult,
* which contain the modified/added modules and the removed modules.
*/
async getDelta({ reset, shallow }) {
debug("Calculating delta (reset: %s, shallow: %s)", reset, shallow);
// If there is already a build in progress, wait until it finish to start
// processing a new one (delta server doesn't support concurrent builds).
if (this._currentBuildPromise) {
await this._currentBuildPromise;
}
// We don't want the modified files Set to be modified while building the
// bundle, so we isolate them by using the current instance for the bundling
// and creating a new instance for the file watcher.
const modifiedFiles = this._modifiedFiles;

@@ -91,6 +56,2 @@ this._modifiedFiles = new Set();

this._requiresReset = false;
// Revisit all files if changes require a graph reset - resolutions may be
// invalidated but we don't yet know which. This should be optimized in the
// future.
if (requiresReset) {

@@ -105,6 +66,2 @@ const markModified = (file) => {

}
// Concurrent requests should reuse the same bundling process. To do so,
// this method stores the promise as an instance variable, and then it's
// removed after it gets resolved.
this._currentBuildPromise = this._getChangedDependencies(

@@ -119,6 +76,2 @@ modifiedFiles,

} catch (error) {
// In case of error, we don't want to mark the modified files as
// processed (since we haven't actually created any delta). If we do not
// do so, asking for a delta after an error will produce an empty Delta,
// which is not correct.
modifiedFiles.forEach((file) => this._modifiedFiles.add(file));

@@ -131,4 +84,2 @@ deletedFiles.forEach((file) => this._deletedFiles.add(file));

}
// Return all the modules if the client requested a reset delta.
if (reset) {

@@ -147,14 +98,5 @@ this._graph.reorderGraph({

}
/**
* Returns the graph with all the dependencies. Each module contains the
* needed information to do the traversing (dependencies, inverseDependencies)
* plus some metadata.
*/
getGraph() {
return this._graph;
}
/* $FlowFixMe[missing-local-annot] The type annotation(s) required by Flow's
* LTI update could not be added via codemod */
_handleMultipleFileChanges = (changeEvent) => {

@@ -165,8 +107,2 @@ changeEvent.eventsQueue.forEach((eventInfo) => {

};
/**
* Handles a single file change. To avoid doing any work before it's needed,
* the listener only stores the modified file, which will then be used later
* when the delta needs to be calculated.
*/
_handleFileChange = ({ type, filePath, metadata }, logger) => {

@@ -196,7 +132,4 @@ debug("Handling %s: %s (type: %s)", type, filePath, metadata.type);

} else if (type === "add") {
// A deleted+added file is modified
nextState = state === "deleted" ? "modified" : "added";
} else {
// type === 'change'
// An added+modified file is added
nextState = state === "added" ? "added" : "modified";

@@ -223,5 +156,2 @@ }

}
// Notify users that there is a change in some of the bundle files. This
// way the client can choose to refetch the bundle.
this.emit("change", {

@@ -243,5 +173,2 @@ logger,

}
// If a file has been deleted, we want to invalidate any other file that
// depends on it, so we can process it and correctly return an error.
deletedFiles.forEach((filePath) => {

@@ -251,4 +178,2 @@ for (const modifiedModulePath of this._graph.getModifiedModulesForDeletedPath(

)) {
// Only mark the inverse dependency as modified if it's not already
// marked as deleted (in that case we can just ignore it).
if (!deletedFiles.has(modifiedModulePath)) {

@@ -259,10 +184,3 @@ modifiedFiles.add(modifiedModulePath);

});
// NOTE(EvanBacon): This check adds extra complexity so we feature gate it
// to enable users to opt out.
if (this._options.unstable_allowRequireContext) {
// Check if any added or removed files are matched in a context module.
// We only need to do this for added files because (1) deleted files will have a context
// module as an inverse dependency, (2) modified files don't invalidate the contents
// of the context module.
addedFiles.forEach((filePath) => {

@@ -272,9 +190,5 @@ this._graph.markModifiedContextModules(filePath, modifiedFiles);

}
// We only want to process files that are in the bundle.
const modifiedDependencies = Array.from(modifiedFiles).filter((filePath) =>
this._graph.dependencies.has(filePath)
);
// No changes happened. Return empty delta.
if (modifiedDependencies.length === 0) {

@@ -281,0 +195,0 @@ return {

13

src/DeltaBundler/getTransformCacheKey.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -19,4 +8,2 @@

const { transformerPath, transformerConfig } = opts.transformerConfig;
// eslint-disable-next-line no-useless-call
const Transformer = require.call(null, transformerPath);

@@ -23,0 +10,0 @@ const transformerKey = Transformer.getCacheKey

197

src/DeltaBundler/Graph.js

@@ -13,38 +13,4 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
/**
* Portions of this code are based on the Synchronous Cycle Collection
* algorithm described in:
*
* David F. Bacon and V. T. Rajan. 2001. Concurrent Cycle Collection in
* Reference Counted Systems. In Proceedings of the 15th European Conference on
* Object-Oriented Programming (ECOOP '01). Springer-Verlag, Berlin,
* Heidelberg, 207–235.
*
* Notable differences from the algorithm in the paper:
* 1. Our implementation uses the inverseDependencies set (which we already
* have to maintain) instead of a separate refcount variable. A module's
* reference count is equal to the size of its inverseDependencies set, plus
* 1 if it's an entry point of the graph.
* 2. We keep the "root buffer" (possibleCycleRoots) free of duplicates by
* making it a Set, instead of storing a "buffered" flag on each node.
* 3. On top of tracking edges between nodes, we also count references between
* nodes and entries in the importBundleNodes set.
*/
const invariant = require("invariant");
const nullthrows = require("nullthrows");
// TODO: Convert to a Flow enum
function getInternalOptions({ transform, resolve, onProgress, lazy, shallow }) {

@@ -69,4 +35,2 @@ let numProcessed = 0;

#importBundleNodes = new Map();
/// GC state for nodes in the graph (this.dependencies)
#gc = {

@@ -76,4 +40,2 @@ color: new Map(),

};
/** Resolved context parameters from `require.context`. */
#resolvedContexts = new Map();

@@ -84,14 +46,2 @@ constructor(options) {

}
/**
* Dependency Traversal logic for the Delta Bundler. This method calculates
* the modules that should be included in the bundle by traversing the
* dependency graph.
* Instead of traversing the whole graph each time, it just calculates the
* difference between runs by only traversing the added/removed dependencies.
* To do so, it uses the passed graph dependencies and it mutates it.
* The paths parameter contains the absolute paths of the root files that the
* method should traverse. Normally, these paths should be the modified files
* since the last traversal.
*/
async traverseDependencies(paths, options) {

@@ -106,3 +56,2 @@ const internalOptions = getInternalOptions(options);

internalOptions,
// Traverse new or modified paths
(absolutePath) =>

@@ -112,7 +61,2 @@ !this.dependencies.has(absolutePath) ||

);
// If we have errors we might need to roll back any changes - take
// snapshots of all modified modules at the base state. We'll also snapshot
// unmodified modules that become unreachable as they are released, so that
// we have everything we need to restore the graph to base.
if (delta.errors.size > 0) {

@@ -126,10 +70,3 @@ for (const modified of modifiedPathsInBaseGraph) {

}
// Commit changes in a subtractive pass and then an additive pass - this
// ensures that any errors encountered on the additive pass would also be
// encountered on a fresh build (implying legitimate errors in the graph,
// rather than an error in a module that's no longer reachable).
for (const modified of modifiedPathsInBaseGraph) {
// Skip this module if it has errors. Hopefully it will be removed -
// if not, we'll throw during the additive pass.
if (delta.errors.has(modified)) {

@@ -139,9 +76,5 @@ continue;

const module = this.dependencies.get(modified);
// The module may have already been released from the graph - we'll readd
// it if necessary later.
if (module == null) {
continue;
}
// Process the transform result and dependency removals. This should
// never encounter an error.
this._recursivelyCommitModule(modified, delta, internalOptions, {

@@ -151,14 +84,6 @@ onlyRemove: true,

}
// Ensure we have released any unreachable modules before the additive
// pass.
this._collectCycles(delta, internalOptions);
// Additive pass - any errors we encounter here should be thrown after
// rolling back the commit.
try {
for (const modified of modifiedPathsInBaseGraph) {
const module = this.dependencies.get(modified);
// The module may have already been released from the graph (it may yet
// be readded via another dependency).
if (module == null) {

@@ -170,3 +95,2 @@ continue;

} catch (error) {
// Roll back to base before re-throwing.
const rollbackDelta = {

@@ -182,15 +106,8 @@ added: delta.added,

const module = this.dependencies.get(modified);
// The module may have already been released from the graph (it may yet
// be readded via another dependency).
if (module == null) {
continue;
}
// Set the module and descendants back to base state.
this._recursivelyCommitModule(modified, rollbackDelta, internalOptions);
}
// Collect cycles again after rolling back. There's no need if we're
// not rolling back, because we have not removed any edges.
this._collectCycles(delta, internalOptions);
// Cheap check to validate the rollback.
invariant(

@@ -200,5 +117,2 @@ rollbackDelta.added.size === 0 && rollbackDelta.deleted.size === 0,

);
// Re-throw the transform or resolution error originally seen by
// `buildSubgraph`.
throw error;

@@ -236,3 +150,2 @@ }

for (const path of this.entryPoints) {
// Each entry point implicitly has a refcount of 1, so mark them all black.
this.#gc.color.set(path, "black");

@@ -242,10 +155,5 @@ }

if (delta.errors.size > 0) {
// If we encountered any errors during traversal, throw one of them.
// Since errors are encountered in a non-deterministic order, even on
// fresh builds, it's valid to arbitrarily pick the first.
throw delta.errors.values().next().value;
}
for (const path of this.entryPoints) {
// We have already thrown on userland errors in the delta, so any error
// encountered here would be exceptional and fatal.
this._recursivelyCommitModule(path, delta, internalOptions);

@@ -320,18 +228,10 @@ }

};
// Update the module information.
this.dependencies.set(nextModule.path, nextModule);
if (previousModule == null) {
// If the module is not currently in the graph, it is either new or was
// released earlier in the commit.
if (delta.deleted.has(path)) {
// Mark the addition by clearing a prior deletion.
delta.deleted.delete(path);
} else {
// Mark the addition in the added set.
delta.added.add(path);
}
}
// Diff dependencies (1/3): remove dependencies that have changed or been removed.
let dependenciesRemoved = false;

@@ -348,4 +248,2 @@ for (const [key, prevDependency] of previousDependencies) {

}
// Diff dependencies (2/3): add dependencies that have changed or been added.
let dependenciesAdded = false;

@@ -371,5 +269,2 @@ if (!commitOptions.onlyRemove) {

}
// Diff dependencies (3/3): detect changes in the ordering of dependency
// keys, which must be committed even if no other changes were made.
const previousDependencyKeys = [...previousDependencies.keys()];

@@ -388,4 +283,2 @@ const dependencyKeysChangedOrReordered =

) {
// We have not operated on nextModule, so restore previousModule
// to aid diffing. Don't add this path to delta.touched.
this.dependencies.set(previousModule.path, previousModule);

@@ -395,15 +288,5 @@ return previousModule;

delta.touched.add(path);
// Replace dependencies with the correctly-ordered version, matching the
// transform output. Because this assignment does not add or remove edges,
// it does NOT invalidate any of the garbage collection state.
// A subtractive pass only partially commits modules, so our dependencies
// are not generally complete yet. We'll address ordering in the next pass
// after processing additions.
if (commitOptions.onlyRemove) {
return nextModule;
}
// Catch obvious errors with a cheap assertion.
invariant(

@@ -425,14 +308,6 @@ nextModule.dependencies.size === currentDependencies.size,

const path = dependency.absolutePath;
// The module may already exist, in which case we just need to update some
// bookkeeping instead of adding a new node to the graph.
let module = this.dependencies.get(path);
if (options.shallow) {
// Don't add a node for the module if the graph is shallow (single-module).
} else if (dependency.data.data.asyncType === "weak") {
// Exclude weak dependencies from the bundle.
} else if (options.lazy && dependency.data.data.asyncType != null) {
// Don't add a node for the module if we are traversing async dependencies
// lazily (and this is an async dependency). Instead, record it in
// importBundleNodes.
this._incrementImportBundleReference(dependency, parentModule);

@@ -444,5 +319,2 @@ } else {

} catch (error) {
// If we couldn't add this module but it was added to the graph
// before failing on a sub-dependency, it may be orphaned. Mark it as
// a possible garbage root.
const module = this.dependencies.get(path);

@@ -459,4 +331,2 @@ if (module) {

}
// We either added a new node to the graph, or we're updating an existing one.
module.inverseDependencies.add(parentModule.path);

@@ -468,11 +338,4 @@ this._markModuleInUse(module);

} else {
// This dependency may have existed previously as a require.context -
// clean it up.
this.#resolvedContexts.delete(path);
}
// Update the parent's dependency map unless we failed to add a dependency.
// This means the parent's dependencies can get desynced from
// inverseDependencies and the other fields in the case of lazy edges.
// Not an optimal representation :(
parentModule.dependencies.set(key, dependency);

@@ -484,3 +347,2 @@ }

if (dependency.data.data.asyncType === "weak") {
// Weak dependencies are excluded from the bundle.
return;

@@ -492,4 +354,2 @@ }

} else if (module) {
// Decrement inverseDependencies only if the dependency is not async,
// mirroring the increment conditions in _addDependency.
module.inverseDependencies.delete(parentModule.path);

@@ -504,14 +364,7 @@ }

) {
// The reference count has decreased, but not to zero.
// NOTE: Each entry point implicitly has a refcount of 1.
this._markAsPossibleCycleRoot(module);
} else {
// The reference count has decreased to zero.
this._releaseModule(module, delta, options);
}
}
/**
* Collect a list of context modules which include a given file.
*/
markModifiedContextModules(filePath, modifiedPaths) {

@@ -527,8 +380,2 @@ for (const [absolutePath, context] of this.#resolvedContexts) {

}
/**
* Gets the list of modules affected by the deletion of a given file. The
* caller is expected to mark these modules as modified in the next call to
* traverseDependencies. Note that the list may contain duplicates.
*/
*getModifiedModulesForDeletedPath(filePath) {

@@ -538,7 +385,2 @@ yield* this.dependencies.get(filePath)?.inverseDependencies ?? [];

}
/**
* Re-traverse the dependency graph in DFS order to reorder the modules and
* guarantee the same order between runs. This method mutates the passed graph.
*/
reorderGraph(options) {

@@ -580,6 +422,2 @@ const orderedDependencies = new Map();

}
/** Garbage collection functions */
// Add an entry to importBundleNodes (or record an inverse dependency of an existing one)
_incrementImportBundleReference(dependency, parentModule) {

@@ -593,4 +431,2 @@ const { absolutePath } = dependency;

}
// Decrease the reference count of an entry in importBundleNodes (and delete it if necessary)
_decrementImportBundleReference(dependency, parentModule) {

@@ -610,10 +446,5 @@ const { absolutePath } = dependency;

}
// Mark a module as in use (ref count >= 1)
_markModuleInUse(module) {
this.#gc.color.set(module.path, "black");
}
// Iterate "children" of the given module - i.e. non-weak / async
// dependencies having a corresponding inverse dependency.
*_children(module, options) {

@@ -647,6 +478,2 @@ for (const dependency of module.dependencies.values()) {

}
// Delete an unreachable module (and its outbound edges) from the graph
// immediately.
// Called when the reference count of a module has reached 0.
_releaseModule(module, delta, options) {

@@ -657,6 +484,2 @@ if (

) {
// Before releasing a module, take a snapshot of the data we might need
// to reintroduce it to the graph later in this commit. As it is not
// already present in updatedModuleData we can infer it has not been modified,
// so the transform output and dependencies we copy here are current.
delta.baseModuleData.set(module.path, this._moduleSnapshot(module));

@@ -670,16 +493,8 @@ }

}
// Delete an unreachable module from the graph.
_freeModule(module, delta) {
if (delta.added.has(module.path)) {
// Mark the deletion by clearing a prior addition.
delta.added.delete(module.path);
} else {
// Mark the deletion in the deleted set.
delta.deleted.add(module.path);
}
// This module is not used anywhere else! We can clear it from the bundle.
// Clean up all the state associated with this module in order to correctly
// re-add it if we encounter it again.
this.dependencies.delete(module.path);

@@ -690,4 +505,2 @@ this.#gc.possibleCycleRoots.delete(module.path);

}
// Mark a module as a possible cycle root
_markAsPossibleCycleRoot(module) {

@@ -699,6 +512,3 @@ if (this.#gc.color.get(module.path) !== "purple") {

}
// Collect any unreachable cycles in the graph.
_collectCycles(delta, options) {
// Mark recursively from roots (trial deletion)
for (const path of this.#gc.possibleCycleRoots) {

@@ -720,3 +530,2 @@ const module = nullthrows(this.dependencies.get(path));

}
// Scan recursively from roots (undo unsuccessful trial deletions)
for (const path of this.#gc.possibleCycleRoots) {

@@ -726,3 +535,2 @@ const module = nullthrows(this.dependencies.get(path));

}
// Collect recursively from roots (free unreachable cycles)
for (const path of this.#gc.possibleCycleRoots) {

@@ -739,3 +547,2 @@ this.#gc.possibleCycleRoots.delete(path);

for (const childModule of this._children(module, options)) {
// The inverse dependency will be restored during the scan phase if this module remains live.
childModule.inverseDependencies.delete(module.path);

@@ -765,3 +572,2 @@ this._markGray(childModule, options);

for (const childModule of this._children(module, options)) {
// The inverse dependency must have been deleted during the mark phase.
childModule.inverseDependencies.add(module.path);

@@ -780,3 +586,2 @@ const childColor = nullthrows(this.#gc.color.get(childModule.path));

const childModule = this.dependencies.get(dependency.absolutePath);
// The child may already have been collected.
if (childModule) {

@@ -789,4 +594,2 @@ this._collectWhite(childModule, delta);

}
/** End of garbage collection functions */
}

@@ -793,0 +596,0 @@ exports.Graph = Graph;

11

src/DeltaBundler/mergeDeltas.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

13

src/DeltaBundler/Serializers/baseJSBundle.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -29,4 +18,2 @@

};
// Do not prepend polyfills or the require runtime when only modules are requested
if (options.modulesOnly) {

@@ -33,0 +20,0 @@ preModules = [];

11

src/DeltaBundler/Serializers/getAllFiles.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/DeltaBundler/Serializers/getAssets.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/DeltaBundler/Serializers/getExplodedSourceMap.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

18

src/DeltaBundler/Serializers/getRamBundleInfo.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -88,6 +77,2 @@

}
/**
* Returns the options needed to create a RAM bundle.
*/
async function _getRamOptions(

@@ -112,5 +97,2 @@ entryFile,

},
/* $FlowFixMe(>=0.99.0 site=react_native_fb) This comment suppresses an
* error found when Flow v0.99 was deployed. To see the error, delete this
* comment and run Flow. */
async (x) => Array.from(getDependencies)

@@ -117,0 +99,0 @@ );

11

src/DeltaBundler/Serializers/helpers/getInlineSourceMappingURL.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/DeltaBundler/Serializers/helpers/getSourceMapInfo.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

14

src/DeltaBundler/Serializers/helpers/getTransitiveDependencies.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -16,5 +5,2 @@

const dependencies = _getDeps(path, graph, new Set());
// Remove the main entry point, since this method only returns the
// dependencies.
dependencies.delete(path);

@@ -21,0 +7,0 @@ return dependencies;

21

src/DeltaBundler/Serializers/helpers/js.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -39,8 +28,2 @@

);
// TODO: Only include path if the target is not in the bundle
// Construct a server-relative URL for the split bundle, propagating
// most parameters from the main bundle's URL.
const { searchParams } = new URL(

@@ -59,3 +42,2 @@ jscSafeUrl.toNormalUrl(options.sourceUrl)

path.dirname(bundlePath),
// Strip the file extension
path.basename(bundlePath, path.extname(bundlePath))

@@ -73,3 +55,2 @@ ) +

? {
// $FlowIgnore[not-an-object] Intentionally spreading an array into an object
...dependencyMapArray,

@@ -81,4 +62,2 @@ paths,

if (options.dev) {
// Add the relative path of the module to make debugging easier.
// This is mapped to `module.verboseName` in `require.js`.
params.push(path.relative(options.projectRoot, module.path));

@@ -85,0 +64,0 @@ }

11

src/DeltaBundler/Serializers/helpers/processModules.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

23

src/DeltaBundler/Serializers/hmrJSBundle.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -23,3 +12,2 @@

if (isJsModule(module)) {
// Construct a bundle URL for this specific module only
const getURL = (extension) => {

@@ -59,7 +47,4 @@ options.clientUrl.pathname = path.relative(

const inverseDependencies = getInverseDependencies(module.path, graph);
// Transform the inverse dependency paths to ids.
const inverseDependenciesById = Object.create(null);
Object.keys(inverseDependencies).forEach((path) => {
// $FlowFixMe[prop-missing]
// $FlowFixMe[invalid-computed-prop]
inverseDependenciesById[options.createModuleId(path)] = inverseDependencies[

@@ -71,11 +56,3 @@ path

}
/**
* Instead of adding the whole inverseDependncies object into each changed
* module (which can be really huge if the dependency graph is big), we only
* add the needed inverseDependencies for each changed module (we do this by
* traversing upwards the dependency graph).
*/
function getInverseDependencies(path, graph, inverseDependencies = {}) {
// Dependency alredy traversed.
if (path in inverseDependencies) {

@@ -82,0 +59,0 @@ return inverseDependencies;

16

src/DeltaBundler/Serializers/sourceMapGenerator.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -46,10 +35,5 @@

if (!isBlocking) {
// Keep the loop running but try to avoid blocking
// for too long because this is not in a worker yet.
const diff = process.hrtime(time);
const NS_IN_MS = 1000000;
if (diff[1] > 50 * NS_IN_MS) {
// We've blocked for more than 50ms.
// This code currently runs on the main thread,
// so let's give Metro an opportunity to handle requests.
setImmediate(workLoop);

@@ -56,0 +40,0 @@ break;

11

src/DeltaBundler/Serializers/sourceMapObject.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/DeltaBundler/Serializers/sourceMapString.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

30

src/DeltaBundler/Transformer.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -30,6 +19,2 @@

this._getSha1 = getSha1Fn;
// Remove the transformer config params that we don't want to pass to the
// transformer. We should change the config object and move them away so we
// can treat the transformer config params as opaque.
const {

@@ -74,3 +59,2 @@ getTransformOptions: _getTransformOptions,

for (const key in extra) {
// $FlowFixMe[cannot-resolve-name]
if (hasOwnProperty.call(extra, key)) {

@@ -84,5 +68,3 @@ throw new Error(

const partialKey = stableHash([
// This is the hash related to the global Bundler config.
this._baseHash,
// Path.
localPath,

@@ -104,3 +86,2 @@ customTransformOptions,

if (fileBuffer) {
// Shortcut for virtual modules which provide the contents with the filename.
sha1 = _crypto.default

@@ -115,5 +96,2 @@ .createHash("sha1")

const result = await cache.get(fullKey);
// A valid result from the cache is used directly; otherwise we call into
// the transformer to computed the corresponding result.
const data = result

@@ -129,11 +107,5 @@ ? {

);
// Only re-compute the full key if the SHA-1 changed. This is because
// references are used by the cache implementation in a weak map to keep
// track of the cache that returned the result.
if (sha1 !== data.sha1) {
fullKey = Buffer.concat([partialKey, Buffer.from(data.sha1, "hex")]);
}
// Fire-and-forget cache set promise.
void cache.set(fullKey, data.result);

@@ -152,3 +124,2 @@ return {

end() {
// $FlowFixMe[unused-promise]
this._workerFarm.kill();

@@ -158,5 +129,4 @@ }

function verifyRootExists(root) {
// Verify that the root exists.
assert(fs.statSync(root).isDirectory(), "Root has to be a valid directory");
}
module.exports = Transformer;

11

src/DeltaBundler/types.flow.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

26

src/DeltaBundler/Worker.flow.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -18,9 +7,2 @@

const path = require("path");
/**
* When the `Buffer` is sent over the worker thread it gets serialized into a JSON object.
* This helper method will deserialize it if needed.
*
* @returns `Buffer` representation of the JSON object.
* @returns `null` if the given object is nullish or not a serialized `Buffer` object.
*/
function asDeserializedBuffer(value) {

@@ -64,3 +46,2 @@ if (Buffer.isBuffer(value)) {

) {
// eslint-disable-next-line no-useless-call
const Transformer = require.call(null, transformerConfig.transformerPath);

@@ -82,9 +63,2 @@ const transformFileStartLogEntry = {

);
// The babel cache caches scopes and pathes for already traversed AST nodes.
// Clearing the cache here since the nodes of the transformed file are no longer referenced.
// This isn't stritcly necessary since the cache uses a WeakMap. However, WeakMap only permit
// that unreferenced keys are collected but the values still hold references to the Scope and NodePaths.
// Manually clearing the cache allows the GC to collect the Scope and NodePaths without checking if there
// exist any other references to the keys.
traverse.cache.clear();

@@ -91,0 +65,0 @@ const transformFileEndLogEntry = getEndLogEntry(

14

src/DeltaBundler/Worker.js

@@ -1,17 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
/*::
export type * from './Worker.flow';
*/
try {

@@ -18,0 +4,0 @@ require("metro-babel-register").unstable_registerForMetroMonorepo();

22

src/DeltaBundler/WorkerFarm.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -41,3 +30,2 @@

} else {
// eslint-disable-next-line no-useless-call
this._worker = require.call(null, this._config.transformer.workerPath);

@@ -77,3 +65,2 @@ }

...process.env,
// Force color to print syntax highlighted code frames.
FORCE_COLOR: 1,

@@ -83,5 +70,3 @@ };

computeWorkerKey: this._config.stickyWorkers
? // $FlowFixMe[method-unbinding] added when improving typing for this parameters
// $FlowFixMe[incompatible-call]
this._computeWorkerKey
? this._computeWorkerKey
: undefined,

@@ -97,5 +82,2 @@ exposedMethods,

_computeWorkerKey(method, filename) {
// Only when transforming a file we want to stick to the same worker; and
// we'll shard by file path. If not; we return null, which tells the worker
// to pick the first available one.
if (method === "transform") {

@@ -119,4 +101,2 @@ return filename;

);
// $FlowExpectedError: TODO(t67543470): Change this to properly extend the error.
return Object.assign(error, {

@@ -123,0 +103,0 @@ stack: err.stack,

33

src/HmrServer.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -31,12 +21,2 @@

}
/**
* The HmrServer (Hot Module Reloading) implements a lightweight interface
* to communicate easily to the logic in the React Native repository (which
* is the one that handles the Web Socket connections).
*
* This interface allows the HmrServer to hook its own logic to WS clients
* getting connected, disconnected or having errors (through the
* `onClientConnect`, `onClientDisconnect` and `onClientError` methods).
*/
class HmrServer {

@@ -65,7 +45,2 @@ constructor(bundler, createModuleId, config) {

splitBundleOptions(options);
/**
* `entryFile` is relative to projectRoot, we need to use resolution function
* to find the appropriate file with supported extensions.
*/
const resolutionFn = await transformHelpers.getResolveDependencyFn(

@@ -109,3 +84,2 @@ this._bundler.getBundler(),

} else {
// Prepare the clientUrl to be used as sourceUrl in HMR updates.
clientUrl.protocol = "http";

@@ -148,3 +122,2 @@ const {

.getDeltaBundler()
// $FlowFixMe[missing-local-annot]
.listen(graph, async (...args) => {

@@ -231,8 +204,2 @@ latestEventArgs = args;

createActionStartEntry({
// Even when HMR is disabled on the client, this function still
// runs so we can stash updates while it's off and apply them later.
// However, this would mess up our internal analytics because we track
// HMR as being used even for people who have it disabled.
// As a workaround, we use a different event name for clients
// that didn't explicitly opt into HMR.
action_name: optedIntoHMR

@@ -239,0 +206,0 @@ ? "Processing HMR change"

23

src/IncrementalBundler.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -40,3 +29,2 @@

this._deltaBundler.end();
// $FlowFixMe[unused-promise]
this._bundler.end();

@@ -166,5 +154,2 @@ }

}
// TODO T34760750 (alexkirsz) Eventually, I'd like to get to a point where
// this class exposes only initializeGraph and updateGraph.
async initializeGraph(

@@ -218,4 +203,2 @@ entryFile,

} catch (err) {
// Evict a bad revision from the cache since otherwise
// we'll keep getting it even after the build is fixed.
this._revisionsById.delete(revisionId);

@@ -240,4 +223,2 @@ this._revisionsByGraphId.delete(graphId);

...revision,
// Generate a new revision id, to be used to verify the next incremental
// request.
id: crypto.randomBytes(8).toString("hex"),

@@ -276,4 +257,2 @@ date: new Date(),

new Promise((resolve, reject) => {
// This should throw an error if the file doesn't exist.
// Using this instead of fs.exists to account for SimLinks.
fs.realpath(entryFile, (err) => {

@@ -291,4 +270,2 @@ if (err) {

}
// Wait for the bundler to become ready.
async ready() {

@@ -295,0 +272,0 @@ await this._bundler.ready();

11

src/IncrementalBundler/GraphNotFoundError.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/IncrementalBundler/ResourceNotFoundError.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/IncrementalBundler/RevisionNotFoundError.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

31

src/index.flow.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -40,4 +29,2 @@

const defaultConfig = await getDefaultConfig(config.projectRoot);
// $FlowFixMe[incompatible-variance]
// $FlowFixMe[incompatible-call]
return mergeConfig(defaultConfig, config);

@@ -85,8 +72,4 @@ }

const createConnectMiddleware = async function (config, options) {
// $FlowFixMe[incompatible-variance]
// $FlowFixMe[incompatible-call]
const metroServer = await runMetro(config, options);
let enhancedMiddleware = metroServer.processRequest;
// Enhance the resulting middleware using the config options
if (config.server.enhanceMiddleware) {

@@ -135,7 +118,4 @@ enhancedMiddleware = config.server.enhanceMiddleware(

secure,
//deprecated
secureCert,
// deprecated
secureKey,
// deprecated
unstable_extraMiddleware,

@@ -149,3 +129,2 @@ waitForBundler = false,

if (secure != null || secureCert != null || secureKey != null) {
// eslint-disable-next-line no-console
console.warn(

@@ -158,3 +137,2 @@ chalk.inverse.yellow.bold(" DEPRECATED "),

}
// Lazy require
const connect = require("connect");

@@ -184,3 +162,2 @@ const serverApp = connect();

}
// $FlowFixMe[incompatible-call] 'http' and 'https' Flow types do not match
httpServer = https.createServer(options, serverApp);

@@ -229,6 +206,2 @@ } else {

});
// Disable any kind of automatic timeout behavior for incoming
// requests in case it takes the packager more than the default
// timeout of 120 seconds to respond to a request.
httpServer.timeout = 0;

@@ -258,4 +231,2 @@ httpServer.on("close", () => {

) => {
// $FlowFixMe[incompatible-variance]
// $FlowFixMe[incompatible-call]
const metroServer = await runMetro(config, {

@@ -294,4 +265,2 @@ watch: false,

};
// eslint-disable-next-line no-console
await output.save(metroBundle, outputOptions, console.log);

@@ -298,0 +267,0 @@ }

14

src/index.js

@@ -1,17 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
/*::
export type * from './index.flow';
*/
try {

@@ -18,0 +4,0 @@ require("metro-babel-register").unstable_registerForMetroMonorepo();

10

src/integration_tests/basic_bundle/AssetRegistry.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/Bar.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

14

src/integration_tests/basic_bundle/build-errors/cannot-resolve-import.js

@@ -7,16 +7,2 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
// $FlowExpectedError[cannot-resolve-module]
// $FlowExpectedError[cannot-resolve-module]
global.x = _doesNotExist.default;

14

src/integration_tests/basic_bundle/build-errors/cannot-resolve-multi-line-import-with-escapes.js
"use strict";
var _doesNotExist = require("./does-not'\"-exist");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
/* eslint-disable no-unused-vars */
// $FlowExpectedError[cannot-resolve-module]
global.x = _doesNotExist.aaaaaaaaaa;

14

src/integration_tests/basic_bundle/build-errors/cannot-resolve-multi-line-import.js
"use strict";
var _doesNotExist = require("./does-not-exist");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
/* eslint-disable no-unused-vars */
// $FlowExpectedError[cannot-resolve-module]
global.x = _doesNotExist.aaaaaaaaaa;

16

src/integration_tests/basic_bundle/build-errors/cannot-resolve-require-with-embedded-comment.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
// $FlowExpectedError[cannot-resolve-module]
// $FlowExpectedError[cannot-resolve-module]
const DoesNotExist = require("./foo" /* ./foo */);
const DoesNotExist = require("./foo");
global.x = DoesNotExist;

13

src/integration_tests/basic_bundle/build-errors/cannot-resolve-require.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
// $FlowExpectedError[cannot-resolve-module]
// $FlowExpectedError[cannot-resolve-module]
const DoesNotExist = require("./does-not-exist");
global.x = DoesNotExist;

16

src/integration_tests/basic_bundle/build-errors/cannot-resolve-specifier-with-escapes.js
"use strict";
var _doesNotExist = require("./does-not'\"-exist");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
/* eslint-disable no-unused-vars */
// $FlowExpectedError[cannot-resolve-module]
// $FlowExpectedError[cannot-resolve-module]
global.x = _doesNotExist.DoesNotExist;

14

src/integration_tests/basic_bundle/build-errors/inline-requires-cannot-resolve-import.js

@@ -7,16 +7,2 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
// $FlowExpectedError[cannot-resolve-module]
// $FlowExpectedError[cannot-resolve-module]
global.x = _doesNotExist.default;

13

src/integration_tests/basic_bundle/build-errors/inline-requires-cannot-resolve-require.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
// $FlowExpectedError[cannot-resolve-module]
// $FlowExpectedError[cannot-resolve-module]
const DoesNotExist = require("./does-not-exist");
global.x = DoesNotExist;

12

src/integration_tests/basic_bundle/ErrorBundle.js

@@ -1,17 +0,5 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";
// Add a random require to fill the bundle with some sourcecode.
require("./AssetRegistry");
const calcSum = (value) => {
// some random function
const error = new Error("SOURCEMAP: value: " + value);

@@ -18,0 +6,0 @@ return error;

10

src/integration_tests/basic_bundle/Foo.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/export-1.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/export-2.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/export-3.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/export-4.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/export-5.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/export-6.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/export-null.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/export-primitive-default.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/import-export/index.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -12,0 +2,0 @@

10

src/integration_tests/basic_bundle/loadBundleAsyncForTest.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
*/
"use strict";

@@ -12,0 +2,0 @@

12

src/integration_tests/basic_bundle/polyfill.js

@@ -1,15 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @oncall react_native
*/
"use strict";
// Inject something into the global object so we can verify that this file
// is indeed evaluated.
global.POLYFILL_IS_INJECTED = "POLYFILL_IS_INJECTED";

10

src/integration_tests/basic_bundle/require-context/conflict.js
"use strict";
var _utils = require("./utils");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
const normalModule = require("./subdir-conflict");

@@ -15,0 +5,0 @@ const contextModule = require.context("./subdir-conflict");

10

src/integration_tests/basic_bundle/require-context/empty.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
const empty = require.context("./no-such-dir");

@@ -14,0 +4,0 @@ function main() {

10

src/integration_tests/basic_bundle/require-context/matching.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
const ab = require.context("./subdir", false, /\/(a|b)\.js$/);

@@ -14,0 +4,0 @@ const abc = require.context("./subdir", false);

10

src/integration_tests/basic_bundle/require-context/mode-eager.js
"use strict";
var _utils = require("./utils");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
function main() {

@@ -15,0 +5,0 @@ return (0, _utils.awaitProperties)(

10

src/integration_tests/basic_bundle/require-context/mode-lazy-once.js
"use strict";
var _utils = require("./utils");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
function main() {

@@ -15,0 +5,0 @@ return (0, _utils.awaitProperties)(

10

src/integration_tests/basic_bundle/require-context/mode-lazy.js
"use strict";
var _utils = require("./utils");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
function main() {

@@ -15,0 +5,0 @@ return (0, _utils.awaitProperties)(

11

src/integration_tests/basic_bundle/require-context/mode-sync.js
"use strict";
var _utils = require("./utils");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
function main() {
return (0, _utils.copyContextToObject)(
// $FlowFixMe[underconstrained-implicit-instantiation]
require.context("./subdir", undefined, undefined, "sync")

@@ -18,0 +7,0 @@ );

10

src/integration_tests/basic_bundle/require-context/subdir-conflict/index.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
module.exports = "contents of subdir-conflict/index.js";

10

src/integration_tests/basic_bundle/require-context/subdir/a.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
module.exports = "a";

9

src/integration_tests/basic_bundle/require-context/subdir/b.js

@@ -7,12 +7,3 @@ "use strict";

exports.default = void 0;
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
var _default = "b";
exports.default = _default;

10

src/integration_tests/basic_bundle/require-context/subdir/c.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
module.exports = "c";

10

src/integration_tests/basic_bundle/require-context/subdir/nested/d.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
module.exports = "d";

10

src/integration_tests/basic_bundle/require-context/utils.js

@@ -8,12 +8,2 @@ "use strict";

exports.copyContextToObject = copyContextToObject;
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
function copyContextToObject(ctx) {

@@ -20,0 +10,0 @@ return Object.fromEntries(ctx.keys().map((key) => [key, ctx(key)]));

15

src/integration_tests/basic_bundle/require-resolveWeak/import-and-resolveWeak.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
async function main() {
const moduleId = require.resolveWeak("./subdir/counter-module");
// Require the module statically via its path, spelled slightly differently
(await import("./subdir/counter-module.js")).increment();
const dynamicRequire = require;
// Require the module dynamically via its ID
const timesIncremented = dynamicRequire(moduleId).increment();
return {
moduleId,
// Should be 2, proving there's just one module instance
timesIncremented,

@@ -26,0 +11,0 @@ };

10

src/integration_tests/basic_bundle/require-resolveWeak/multiple.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
async function main() {

@@ -14,0 +4,0 @@ return {

10

src/integration_tests/basic_bundle/require-resolveWeak/never-required.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
function main() {

@@ -14,0 +4,0 @@ return {

15

src/integration_tests/basic_bundle/require-resolveWeak/require-and-resolveWeak.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
function main() {
const moduleId = require.resolveWeak("./subdir/counter-module");
const dynamicRequire = require;
// Require the module dynamically via its ID
dynamicRequire(moduleId).increment();
// Require the module statically via its path, spelled slightly differently
const timesIncremented = require("./subdir/counter-module.js").increment();
return {
moduleId,
// Should be 2, proving there's just one module instance
timesIncremented,

@@ -26,0 +11,0 @@ };

10

src/integration_tests/basic_bundle/require-resolveWeak/subdir/counter-module.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
let count = 0;

@@ -14,0 +4,0 @@ module.exports = {

10

src/integration_tests/basic_bundle/require-resolveWeak/subdir/throwing-module.js
"use strict";
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
throw new Error("This module cannot be evaluated.");

12

src/integration_tests/basic_bundle/TestBigInt.js

@@ -1,17 +0,5 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";
// $FlowFixMe[signature-verification-failure]
var a = 2n;
// $FlowFixMe[signature-verification-failure]
var b = 3n;
module.exports = a ** b;

11

src/integration_tests/basic_bundle/TestBundle.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -15,3 +5,2 @@

const Foo = require("./Foo");
// $FlowFixMe: Flow doesn't understand TypeScript
const TypeScript = require("./TypeScript");

@@ -18,0 +7,0 @@ Object.keys({

10

src/integration_tests/basic_bundle/TestPolyfill.js

@@ -1,13 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";
module.exports = global.POLYFILL_IS_INJECTED;

11

src/integration_tests/execBundle.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

10

src/integration_tests/metro.config.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @oncall react_native
*/
"use strict";

@@ -12,0 +2,0 @@

23

src/lib/BatchProcessor.js

@@ -1,22 +0,4 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
const invariant = require("invariant");
/**
* We batch items together trying to minimize their processing, for example as
* network queries. For that we wait a small moment before processing a batch.
* We limit also the number of items we try to process in a single batch so that
* if we have many items pending in a short amount of time, we can start
* processing right away.
*/
class BatchProcessor {

@@ -29,3 +11,2 @@ constructor(options, processBatch) {

this._currentProcessCount = 0;
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
this._processQueue = this._processQueue.bind(this);

@@ -57,5 +38,3 @@ }

this._processBatch(jobs.map((job) => job.item)).then(
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
this._onBatchResults.bind(this, jobs),
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
this._onBatchError.bind(this, jobs)

@@ -68,3 +47,2 @@ );

clearTimeout(this._timeoutHandle);
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
process.nextTick(this._processQueue);

@@ -75,3 +53,2 @@ return;

this._timeoutHandle = setTimeout(
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
this._processQueue,

@@ -78,0 +55,0 @@ this._options.maximumDelayMs

20

src/lib/bundleToString.js

@@ -1,25 +0,7 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
/**
* Serializes a bundle into a plain JS bundle.
*/
function bundleToString(bundle) {
let code = bundle.pre.length > 0 ? bundle.pre + "\n" : "";
const modules = [];
const sortedModules = bundle.modules
.slice()
// The order of the modules needs to be deterministic in order for source
// maps to work properly.
.sort((a, b) => a[0] - b[0]);
const sortedModules = bundle.modules.slice().sort((a, b) => a[0] - b[0]);
for (const [id, moduleCode] of sortedModules) {

@@ -26,0 +8,0 @@ if (moduleCode.length > 0) {

32

src/lib/contextModule.js

@@ -14,23 +14,6 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
function toHash(value) {
// Use `hex` to ensure filepath safety.
return _crypto.default.createHash("sha1").update(value).digest("hex");
}
/** Given a fully qualified require context, return a virtual file path that ensures uniqueness between paths with different contexts. */
function deriveAbsolutePathFromContext(from, context) {
// Drop the trailing slash, require.context should always be matched against a folder
// and we want to normalize the folder name as much as possible to prevent duplicates.
// This also makes the files show up in the correct location when debugging in Chrome.
const filePath = from.endsWith(_path.default.sep) ? from.slice(0, -1) : from;

@@ -51,8 +34,3 @@ return (

}
/** Match a file against a require context. */
function fileMatchesContext(testPath, context) {
// NOTE(EvanBacon): Ensure this logic is synchronized with the similar
// functionality in `metro-file-map/src/lib/TreeFS.js` (`matchFiles()`)
const filePath = _path.default.relative(

@@ -64,13 +42,5 @@ (0, _nullthrows.default)(context.from),

if (
// Ignore everything outside of the provided `root`.
!(filePath && !filePath.startsWith("..")) ||
// Prevent searching in child directories during a non-recursive search.
(!context.recursive && filePath.includes(_path.default.sep)) ||
// Test against the filter.
!filter.test(
// NOTE(EvanBacon): Ensure files start with `./` for matching purposes
// this ensures packages work across Metro and Webpack (ex: Storybook for React DOM / React Native).
// `a/b.js` -> `./a/b.js`
"./" + filePath.replace(/\\/g, "/")
)
!filter.test("./" + filePath.replace(/\\/g, "/"))
) {

@@ -77,0 +47,0 @@ return false;

36

src/lib/contextModuleTemplates.js

@@ -49,13 +49,2 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
function createFileMap(modulePath, files, processModule) {

@@ -65,3 +54,2 @@ let mapString = "\n";

.slice()
// Sort for deterministic output
.sort()

@@ -73,8 +61,2 @@ .forEach((file) => {

}
// NOTE(EvanBacon): I'd prefer we prevent the ability for a module to require itself (`require.context('./')`)
// but Webpack allows this, keeping it here provides better parity between bundlers.
// Ensure relative file paths start with `./` so they match the
// patterns (filters) used to include them.
if (!filePath.startsWith(".")) {

@@ -84,8 +66,2 @@ filePath = `./${filePath}`;

const key = JSON.stringify(filePath);
// NOTE(EvanBacon): Webpack uses `require.resolve` in order to load modules on demand,
// Metro doesn't have this functionality so it will use getters instead. Modules need to
// be loaded on demand because if we imported directly then users would get errors from importing
// a file without exports as soon as they create a new file and the context module is updated.
// NOTE: The values are set to `enumerable` so the `context.keys()` method works as expected.
mapString += ` ${key}: { enumerable: true, get() { return ${processModule(

@@ -144,12 +120,2 @@ file

}
/**
* Generate a context module as a virtual file string.
*
* @prop {ContextMode} mode indicates how the modules should be loaded.
* @prop {string} modulePath virtual file path for the virtual module. Example: `require.context('./src')` -> `'/path/to/project/src'`.
* @prop {string[]} files list of absolute file paths that must be exported from the context module. Example: `['/path/to/project/src/index.js']`.
*
* @returns a string representing a context module (virtual file contents).
*/
function getContextModuleTemplate(mode, modulePath, files) {

@@ -164,4 +130,2 @@ if (!files.length) {

files,
// NOTE(EvanBacon): It's unclear if we should use `import` or `require` here so sticking
// with the more stable option (`require`) for now.
"require",

@@ -168,0 +132,0 @@ [

35

src/lib/CountingSet.js

@@ -7,18 +7,2 @@ "use strict";

exports.default = void 0;
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
/**
* A Set that only deletes a given item when the number of delete(item) calls
* matches the number of add(item) calls. Iteration and `size` are in terms of
* *unique* items.
*/
class CountingSet {

@@ -63,18 +47,5 @@ #map = new Map();

}
// Iterate over unique entries
// $FlowIssue[unsupported-syntax]
[Symbol.iterator]() {
return this.values();
}
/*::
// For Flow's benefit
@@iterator(): Iterator<T> {
return this.values();
}
*/
// Number of unique entries
// $FlowIssue[unsafe-getters-setters]
get size() {

@@ -94,8 +65,2 @@ return this.#map.size;

}
// For Jest purposes. Ideally a custom serializer would be enough, but in
// practice there is hardcoded magic for Set in toEqual (etc) that we cannot
// extend to custom collection classes. Instead let's assume values are
// sortable ( = strings) and make this look like an array with some stable
// order.
toJSON() {

@@ -102,0 +67,0 @@ return [...this].sort();

11

src/lib/countLines.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/lib/createModuleIdFactory.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

24

src/lib/createWebsocketServer.js

@@ -7,24 +7,2 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
/**
* Returns a WebSocketServer to be attached to an existing HTTP instance. It forwards
* the received events on the given "websocketServer" parameter. It must be an
* object with the following fields:
*
* - onClientConnect
* - onClientError
* - onClientMessage
* - onClientDisconnect
*/
module.exports = function createWebsocketServer({ websocketServer }) {

@@ -39,3 +17,2 @@ const wss = new _ws.default.Server({

if (connected) {
// $FlowFixMe[incompatible-call]
ws.send(...args);

@@ -50,3 +27,2 @@ }

ws.on("error", (e) => {
// $FlowFixMe[incompatible-call]
websocketServer.onClientError && websocketServer.onClientError(client, e);

@@ -53,0 +29,0 @@ });

13

src/lib/debounceAsyncQueue.js

@@ -1,16 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
// Debounces calls with the given delay, and queues the next call while the
// previous one hasn't completed so that no two calls can execute concurrently.
function debounceAsyncQueue(fn, delay) {

@@ -17,0 +4,0 @@ let timeout;

14

src/lib/formatBundlingError.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -62,3 +52,2 @@

type: "ResourceNotFoundError",
// $FlowFixMe[incompatible-return]
errors: [],

@@ -70,3 +59,2 @@ message: error.message,

type: "GraphNotFoundError",
// $FlowFixMe[incompatible-return]
errors: [],

@@ -78,3 +66,2 @@ message: error.message,

type: "RevisionNotFoundError",
// $FlowFixMe[incompatible-return]
errors: [],

@@ -91,3 +78,2 @@ message: error.message,

codeFrame = codeFrameColumns(
// If the error was thrown in a node.js builtin module, this call will fail and mask the real error.
fs.readFileSync(fileName, "utf8"),

@@ -94,0 +80,0 @@ {

11

src/lib/getAppendScripts.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/lib/getGraphId.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/lib/getMaxWorkers.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

18

src/lib/getPreludeCode.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -21,4 +10,2 @@

const vars = [
// Ensure these variable names match the ones referenced in metro-runtime
// require.js
"__BUNDLE_START_TIME__=this.nativePerformanceNow?nativePerformanceNow():Date.now()",

@@ -31,4 +18,2 @@ `__DEV__=${String(isDev)}`,

if (isDev) {
// Ensure these variable names match the ones referenced in metro-runtime
// require.js
vars.push(

@@ -49,5 +34,2 @@ `${globalPrefix}__requireCycleIgnorePatterns=[${requireCycleIgnorePatterns

if (extraVars.hasOwnProperty(key) && !excluded.has(key)) {
/* $FlowFixMe(>=0.95.0 site=react_native_fb) This comment suppresses an
* error found when Flow v0.95 was deployed. To see the error, delete
* this comment and run Flow. */
assignments.push(`${key}=${JSON.stringify(extraVars[key])}`);

@@ -54,0 +36,0 @@ }

13

src/lib/getPrependedScripts.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -29,4 +18,2 @@

) {
// Get all the polyfills from the relevant option params (the
// `getPolyfills()` method and the `polyfillModuleNames` variable).
const polyfillModuleNames = config.serializer

@@ -33,0 +20,0 @@ .getPolyfills({

17

src/lib/JsonReporter.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -18,9 +7,3 @@

}
/**
* There is a special case for errors because they have non-enumerable fields.
* (Perhaps we should switch in favor of plain object?)
*/
update(event) {
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
if (Object.prototype.toString.call(event.error) === "[object Error]") {

@@ -27,0 +10,0 @@ event = Object.assign(event, {

18

src/lib/logToConsole.js

@@ -1,13 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
/* eslint-disable no-console */
"use strict";

@@ -32,3 +20,2 @@

clearTimeout(collapsedGuardTimer);
// Inform users that logs get swallowed if they forget to call `groupEnd`.
collapsedGuardTimer = setTimeout(() => {

@@ -52,3 +39,2 @@ if (groupStack.includes("groupCollapsed")) {

if (!groupStack.includes("groupCollapsed")) {
// Remove excess whitespace at the end of a log message, if possible.
const lastItem = data[data.length - 1];

@@ -63,6 +49,2 @@ if (typeof lastItem === "string") {

"".padEnd(groupStack.length * 2, " "),
// `util.format` actually accepts any arguments.
// If the first argument is a string, it tries to format it.
// Otherwise, it just concatenates all arguments.
// $FlowIssue[incompatible-call] util.format expected the first argument to be a string
util.format(...data)

@@ -69,0 +51,0 @@ );

11

src/lib/parseCustomResolverOptions.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

12

src/lib/parseCustomTransformOptions.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -21,3 +10,2 @@

if (key.startsWith(PREFIX)) {
// $FlowFixMe[prop-missing]
customTransformOptions[key.substr(PREFIX.length)] = query[key];

@@ -24,0 +12,0 @@ }

18

src/lib/parseOptionsFromUrl.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -32,3 +21,3 @@

module.exports = function parseOptionsFromUrl(normalizedRequestUrl, platforms) {
const parsedURL = nullthrows(url.parse(normalizedRequestUrl, true)); // `true` to parse the query param as an object.
const parsedURL = nullthrows(url.parse(normalizedRequestUrl, true));
const query = nullthrows(parsedURL.query);

@@ -59,7 +48,2 @@ const pathname =

...parsedURL,
// The Chrome Debugger loads bundles via Blob urls, whose
// protocol is blob:http. This breaks loading source maps through
// protocol-relative URLs, which is why we must force the HTTP protocol
// when loading the bundle for either Android or iOS.
// TODO(T167298674): Remove when remote debugging is not needed in React Native
protocol:

@@ -66,0 +50,0 @@ platform != null && platform.match(/^(android|ios|vr|windows|macos)$/)

23

src/lib/RamBundleParser.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -16,12 +6,2 @@

const HEADER_SIZE = 3;
/**
* Implementation of a RAM bundle parser in JS.
*
* It receives a Buffer as an input and implements two main methods, which are
* able to run in constant time no matter the size of the bundle:
*
* getStartupCode(): returns the runtime and the startup code of the bundle.
* getModule(): returns the code for the specified module.
*/
class RamBundleParser {

@@ -35,5 +15,2 @@ constructor(buffer) {

this._startupCodeLength = this._readPosition(2);
// The startup code begins after the table of contents, which contains the
// 3 fields on the header plus 2 entries per module.
this._startOffset = (HEADER_SIZE + this._numModules * 2) * SIZEOF_UINT32;

@@ -40,0 +17,0 @@ }

12

src/lib/relativizeSourceMap.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -16,3 +5,2 @@

function relativizeSourceMapInline(sourceMap, sourcesRoot) {
// eslint-disable-next-line lint/strictly-null
if (sourceMap.mappings === undefined) {

@@ -19,0 +7,0 @@ for (let i = 0; i < sourceMap.sections.length; i++) {

30

src/lib/reporting.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -17,8 +6,2 @@

const util = require("util");
/**
* A standard way to log a warning to the terminal. This should not be called
* from some arbitrary Metro logic, only from the reporters. Instead of
* calling this, add a new type of ReportableEvent instead, and implement a
* proper handler in the reporter(s).
*/
function logWarning(terminal, format, ...args) {

@@ -28,6 +11,2 @@ const str = util.format(format, ...args);

}
/**
* Similar to `logWarning`, but for messages that require the user to act.
*/
function logError(terminal, format, ...args) {

@@ -37,14 +16,5 @@ terminal.log(

chalk.red("error"),
// Syntax errors may have colors applied for displaying code frames
// in various places outside of where Metro is currently running.
// If the current terminal does not support color, we'll strip the colors
// here.
util.format(chalk.supportsColor ? format : stripAnsi(format), ...args)
);
}
/**
* A reporter that does nothing. Errors and warnings will be swallowed, that
* is generally not what you want.
*/
const nullReporter = {

@@ -51,0 +21,0 @@ update() {},

14

src/lib/splitBundleOptions.js

@@ -1,17 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
/**
* Splits a BundleOptions object into smaller, more manageable parts.
*/
function splitBundleOptions(options) {

@@ -18,0 +4,0 @@ return {

68

src/lib/TerminalReporter.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -25,14 +14,3 @@

const MAX_PROGRESS_BAR_CHAR_WIDTH = 16;
/**
* We try to print useful information to the terminal for interactive builds.
* This implements the `Reporter` interface from the './reporting' module.
*/
class TerminalReporter {
/**
* The bundle builds for which we are actively maintaining the status on the
* terminal, ie. showing a progress bar. There can be several bundles being
* built at the same time.
*/
constructor(terminal) {

@@ -48,9 +26,2 @@ this._activeBundles = new Map();

}
/**
* Construct a message that represents the progress of a
* single bundle build, for example:
*
* BUNDLE path/to/bundle.js ▓▓▓▓▓░░░░░░░░░░░ 36.6% (4790/7922)
*/
_getBundleStatusMessage(

@@ -180,7 +151,2 @@ {

}
/**
* This function is only concerned with logging and should not do state
* or terminal status updates.
*/
_log(event) {

@@ -250,8 +216,2 @@ switch (event.type) {

}
/**
* We do not want to log the whole stacktrace for bundling error, because
* these are operational errors, not programming errors, and the stacktrace
* is not actionable to end users.
*/
_logBundlingError(error) {

@@ -273,5 +233,2 @@ if (error instanceof AmbiguousModuleResolutionError) {

let { message } = error;
// Do not log the stack trace for SyntaxError (because it will always be in
// the parser, which is not helpful).
if (!(error instanceof SyntaxError)) {

@@ -283,3 +240,2 @@ if (error.snippet == null && error.stack != null) {

if (error.filename && !message.includes(error.filename)) {
// $FlowFixMe[incompatible-type]
message += ` [${error.filename}]`;

@@ -301,8 +257,2 @@ }

}
/**
* We use Math.pow(ratio, 2) to as a conservative measure of progress because
* we know the `totalCount` is going to progressively increase as well. We
* also prevent the ratio from going backwards.
*/
_updateBundleProgress({ buildID, transformedFileCount, totalFileCount }) {

@@ -322,7 +272,2 @@ const currentProgress = this._activeBundles.get(buildID);

}
/**
* This function is exclusively concerned with updating the internal state.
* No logging or status updates should be done at this point.
*/
_updateState(event) {

@@ -349,8 +294,2 @@ switch (event.type) {

}
/**
* Return a status message that is always consistent with the current state
* of the application. Having this single function ensures we don't have
* different callsites overriding each other status messages.
*/
_getStatusMessage() {

@@ -376,3 +315,2 @@ return Array.from(this._activeBundles.entries())

_logWatcherHealthCheckResult(result) {
// Don't be spammy; only report changes in status.
if (

@@ -389,3 +327,2 @@ !this._prevHealthCheckResult ||

case "success":
// Only report success after a prior failure.
if (this._prevHealthCheckResult) {

@@ -450,7 +387,2 @@ this.terminal.log(

}
/**
* Single entry point for reporting events. That allows us to implement the
* corresponding JSON reporter easily and have a consistent reporting.
*/
update(event) {

@@ -457,0 +389,0 @@ if (event.type === "bundle_transform_progressed") {

20

src/lib/transformHelpers.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -46,6 +35,2 @@

};
// When we're processing scripts, we don't need to calculate any
// inlineRequires information, since scripts by definition don't have
// requires().
if (options.type === "script") {

@@ -133,7 +118,2 @@ return {

const graph = await bundler.getDependencyGraph();
// TODO: Check delta changes to avoid having to look over all files each time
// this is a massive performance boost.
// Search against all files in a subtree.
const files = Array.from(

@@ -140,0 +120,0 @@ graph.matchFilesWithContext(requireContext.from, {

17

src/ModuleGraph/test-helpers.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @oncall react_native
*/
"use strict";

@@ -64,4 +54,2 @@

}
// See https://superuser.com/questions/380772/removing-ansi-color-codes-from-text-stream
const ANSI_PATTERN = /\x1b\[[0-9;]*m/g;

@@ -71,7 +59,2 @@ function trimANSICodes(input) {

}
/**
* Matches a text that contains ANSI control codes (e.g. [39m^) against a snapshot.
* Usage: Call expect.extend({toMatchCodeFrameSnapshot}) to add the matcher in your test
*/
function toMatchCodeFrameSnapshot(received) {

@@ -78,0 +61,0 @@ return toMatchSnapshot.call(

95

src/ModuleGraph/worker/collectDependencies.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -20,11 +10,2 @@

const { isImport } = types;
/**
* Transform all the calls to `require()` and `import()` in a file into ID-
* independent code, and return the list of dependencies. For example, a call
* like `require('Foo')` could be transformed to `require(_depMap[3], 'Foo')`
* where `_depMap` is provided by the outer scope. As such, we don't need to
* know the actual module ID.
*
* The second argument is only provided for debugging purposes.
*/
function collectDependencies(ast, options) {

@@ -63,16 +44,10 @@ const visited = new WeakSet();

}
// Match `require.context`
if (
// Feature gate, defaults to `false`.
state.unstable_allowRequireContext &&
callee.type === "MemberExpression" &&
// `require`
callee.object.type === "Identifier" &&
callee.object.name === "require" &&
// `context`
callee.property.type === "Identifier" &&
callee.property.name === "context" &&
!callee.computed &&
// Ensure `require` refers to the global and not something else.
!path.scope.getBinding("require")

@@ -84,14 +59,9 @@ ) {

}
// Match `require.resolveWeak`
if (
callee.type === "MemberExpression" &&
// `require`
callee.object.type === "Identifier" &&
callee.object.name === "require" &&
// `resolveWeak`
callee.property.type === "Identifier" &&
callee.property.name === "resolveWeak" &&
!callee.computed &&
// Ensure `require` refers to the global and not something else.
!path.scope.getBinding("require")

@@ -132,3 +102,2 @@ ) {

const collectedDependencies = state.dependencyRegistry.getDependencies();
// Compute the list of dependencies.
const dependencies = new Array(collectedDependencies.length);

@@ -147,4 +116,2 @@ for (const { index, name, ...dependencyData } of collectedDependencies) {

}
/** Extract args passed to the `require.context` method. */
function getRequireContextArgs(path) {

@@ -166,4 +133,2 @@ const args = path.get("arguments");

}
// Default to requiring through all directories.
let recursive = true;

@@ -181,4 +146,2 @@ if (args.length > 1) {

}
// Default to all files.
let filter = {

@@ -189,8 +152,5 @@ pattern: ".*",

if (args.length > 2) {
// evaluate() to check for undefined (because it's technically a scope lookup)
// but check the AST for the regex literal, since evaluate() doesn't do regex.
const result = args[2].evaluate();
const argNode = args[2].node;
if (argNode.type === "RegExpLiteral") {
// TODO: Handle `new RegExp(...)` -- `argNode.type === 'NewExpression'`
filter = {

@@ -207,4 +167,2 @@ pattern: argNode.pattern,

}
// Default to `sync`.
let mode = "sync";

@@ -257,5 +215,3 @@ if (args.length > 3) {

{
// We basically want to "import" every file in a folder and then filter them out with the given `filter` RegExp.
name: directory,
// Capture the matching context
contextParams,

@@ -267,4 +223,2 @@ asyncType: null,

);
// require() the generated module representing this context
path.get("callee").replaceWith(types.identifier("require"));

@@ -353,3 +307,2 @@ transformer.transformSyncRequire(path, dep, state);

!current.node.loc &&
// $FlowIgnore[prop-missing] METRO_INLINE_REQUIRES_INIT_LOC is Metro-specific and not typed
!current.node.METRO_INLINE_REQUIRES_INIT_LOC

@@ -359,6 +312,3 @@ ) {

}
return (
// $FlowIgnore[prop-missing] METRO_INLINE_REQUIRES_INIT_LOC is Metro-specific and not typed
current?.node.METRO_INLINE_REQUIRES_INIT_LOC ?? current?.node.loc
);
return current?.node.METRO_INLINE_REQUIRES_INIT_LOC ?? current?.node.loc;
}

@@ -375,4 +325,2 @@ function registerDependency(state, qualifier, path) {

const { allowOptionalDependencies } = state;
// The async require module is a 'built-in'. Resolving should never fail -> treat it as non-optional.
if (name === state.asyncRequireModulePathStringLiteral?.value) {

@@ -387,4 +335,2 @@ return false;

}
// Valid statement stack for single-level try-block: expressionStatement -> blockStatement -> tryStatement
let sCount = 0;

@@ -395,4 +341,2 @@ let p = path;

if (p.node.type === "BlockStatement") {
// A single-level should have the tryStatement immediately followed BlockStatement
// with the key 'block' to distinguish from the finally block, which has key = 'finalizer'
return (

@@ -436,8 +380,2 @@ p.parentPath != null &&

collectDependencies.InvalidRequireCallError = InvalidRequireCallError;
/**
* Produces a Babel template that will throw at runtime when the require call
* is reached. This makes dynamic require errors catchable by libraries that
* want to use them.
*/
const dynamicRequireErrorTemplate = template.expression(`

@@ -450,7 +388,2 @@ (function(line) {

`);
/**
* Produces a Babel template that transforms an "import(...)" call into a
* "require(...)" call to the asyncRequire specified.
*/
const makeAsyncRequireTemplate = template.expression(`

@@ -475,3 +408,2 @@ require(ASYNC_REQUIRE_MODULE_PATH)(MODULE_ID, DEPENDENCY_MAP.paths)

path.node.arguments = [moduleIDExpression];
// Always add the debug name argument last
if (state.keepRequireNames) {

@@ -535,20 +467,2 @@ path.node.arguments.push(types.stringLiteral(dependency.name));

}
/**
* Given an import qualifier, return a key used to register the dependency.
* Generally this return the `ImportQualifier.name` property, but more
* attributes can be appended to distinguish various combinations that would
* otherwise conflict.
*
* For example, the following case would have collision issues if they all utilized the `name` property:
* ```
* require('./foo');
* require.context('./foo');
* require.context('./foo', true, /something/);
* require.context('./foo', false, /something/);
* require.context('./foo', false, /something/, 'lazy');
* ```
*
* This method should be utilized by `registerDependency`.
*/
function getKeyForDependency(qualifier) {

@@ -561,7 +475,3 @@ let key = qualifier.name;

const { contextParams } = qualifier;
// Add extra qualifiers when using `require.context` to prevent collisions.
if (contextParams) {
// NOTE(EvanBacon): Keep this synchronized with `RequireContextParams`, if any other properties are added
// then this key algorithm should be updated to account for those properties.
// Example: `./directory__true__/foobar/m__lazy`
key += [

@@ -574,3 +484,2 @@ "",

contextParams.mode,
// Join together and append to the name:
].join("\0");

@@ -602,4 +511,2 @@ }

if (dependency.isOptional && !qualifier.optional) {
// A previously optionally required dependency was required non-optionally.
// Mark it non optional for the whole module
dependency = {

@@ -606,0 +513,0 @@ ...dependency,

15

src/ModuleGraph/worker/generateImportNames.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -15,7 +5,2 @@

const nullthrows = require("nullthrows");
/**
* Select unused names for "metroImportDefault" and "metroImportAll", by
* calling "generateUid".
*/
function generateImportNames(ast) {

@@ -22,0 +7,0 @@ let importDefault;

23

src/ModuleGraph/worker/JsFileWrapping.js

@@ -1,11 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*
*/
"use strict";

@@ -60,7 +50,3 @@

}
const WRAP_NAME = "$$_REQUIRE"; // note: babel will prefix this with _
// Check first the `global` variable as the global object. This way serializers
// can create a local variable called global to fake it as a global object
// without having to pollute the window object on web.
const WRAP_NAME = "$$_REQUIRE";
const IIFE_PARAM = _template.default.expression(

@@ -99,3 +85,2 @@ "typeof globalThis !== 'undefined' ? globalThis : typeof global !== 'undefined' ? global : typeof window !== 'undefined' ? window : this"

function wrapJson(source, globalPrefix) {
// Unused parameters; remember that's wrapping JSON.
const moduleFactoryParameters = buildParameters(

@@ -133,8 +118,2 @@ "_importDefaultUnused",

}
// Renaming requires should ideally only be done when generating for the target
// that expects the custom require name in the optimize step.
// This visitor currently renames all `require` references even if the module
// contains a custom `require` declaration. This should be fixed by only renaming
// if the `require` symbol hasn't been redeclared.
function renameRequires(ast) {

@@ -141,0 +120,0 @@ let newRequireName = WRAP_NAME;

52

src/node-haste/DependencyGraph.js
"use strict";
var _metroFileMap = require("metro-file-map");
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
const createFileMap = require("./DependencyGraph/createFileMap");

@@ -53,5 +42,2 @@ const { ModuleResolver } = require("./DependencyGraph/ModuleResolution");

});
// We can have a lot of graphs listening to Haste for changes.
// Bump this up to silence the max listeners EventEmitter warning.
fileMap.setMaxListeners(1000);

@@ -90,11 +76,5 @@ this._haste = fileMap;

}
// Waits for the dependency graph to become ready after initialisation.
// Don't read anything from the graph until this resolves.
async ready() {
await this._readyPromise;
}
// Creates the dependency graph and waits for it to become ready.
// @deprecated Use the constructor + ready() directly.
static async load(config, options) {

@@ -110,4 +90,2 @@ const self = new DependencyGraph(config, options);

do {
// If we've hit a node_modules directory, the closest package was not
// found (`filePath` was likely nonexistent).
if (path.basename(dir) === "node_modules") {

@@ -133,2 +111,6 @@ return null;

_createModuleResolver() {
const getRealPathIfFile = (path) => {
const result = this._fileSystem.lookup(path);
return result.exists && result.type === "f" ? result.realPath : null;
};
this._moduleResolver = new ModuleResolver({

@@ -166,5 +148,3 @@ assetExts: new Set(this._config.resolver.assetExts),

if (this._config.resolver.unstable_enableSymlinks) {
assets = assets
.map((candidate) => this._fileSystem.getRealPath(candidate))
.filter(Boolean);
assets = assets.map(getRealPathIfFile).filter(Boolean);
} else {

@@ -185,3 +165,3 @@ assets = assets.filter((candidate) =>

unstable_getRealPath: this._config.resolver.unstable_enableSymlinks
? (path) => this._fileSystem.getRealPath(path)
? getRealPathIfFile
: null,

@@ -199,11 +179,2 @@ });

getSha1(filename) {
// Prior to unstable_enableSymlinks:
// Calling realpath allows us to get a hash for a given path even when
// it's a symlink to a file, which prevents Metro from crashing in such a
// case. However, it doesn't allow Metro to track changes to the target file
// of the symlink. We should fix this by implementing a symlink map into
// Metro (or maybe by implementing those "extra transformation sources" we've
// been talking about for stuff like CSS or WASM).
//
// This is unnecessary with a symlink-aware fileSystem implementation.
const resolvedPath = this._config.resolver.unstable_enableSymlinks

@@ -225,7 +196,4 @@ ? filename

end() {
// $FlowFixMe[unused-promise]
this._haste.end();
}
/** Given a search context, return a list of file paths matching the query. */
matchFilesWithContext(from, context) {

@@ -245,3 +213,2 @@ return this._fileSystem.matchFiles({

resolverOptions,
// TODO: Fold assumeFlatNodeModules into resolverOptions and add to graphId
{ assumeFlatNodeModules } = {

@@ -253,12 +220,7 @@ assumeFlatNodeModules: false,

const isSensitiveToOriginFolder =
// Resolution is always relative to the origin folder unless we assume a flat node_modules
!assumeFlatNodeModules ||
// Path requests are resolved relative to the origin folder
to.includes("/") ||
to === "." ||
to === ".." ||
// Preserve standard assumptions under node_modules
from.includes(path.sep + "node_modules" + path.sep);
// Compound key for the resolver cache
const resolverOptionsKey =

@@ -269,4 +231,2 @@ JSON.stringify(resolverOptions ?? {}, canonicalize) ?? "";

const platformKey = platform ?? NULL_PLATFORM;
// Traverse the resolver cache, which is a tree of maps
const mapByResolverOptions = this._resolutionCache;

@@ -273,0 +233,0 @@ const mapByOrigin = getOrCreateMap(

16

src/node-haste/DependencyGraph/createFileMap.js

@@ -44,20 +44,6 @@ "use strict";

}
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
const ci = require("ci-info");
function getIgnorePattern(config) {
// For now we support both options
const { blockList, blacklistRE } = config.resolver;
const ignorePattern = blacklistRE || blockList;
// If neither option has been set, use default pattern
if (!ignorePattern) {

@@ -85,4 +71,2 @@ return / ^/;

);
// If ignorePattern is an array, merge it into one
if (Array.isArray(ignorePattern)) {

@@ -89,0 +73,0 @@ return combine(ignorePattern);

69

src/node-haste/DependencyGraph/ModuleResolution.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -22,6 +11,2 @@

class ModuleResolver {
// A module representing the project root, used as the origin when resolving `emptyModulePath`.
// An empty module, the result of resolving `emptyModulePath` from the project root.
constructor(options) {

@@ -57,3 +42,3 @@ this._options = options;

null,
/* resolverOptions */ {
{
dev: false,

@@ -176,6 +161,3 @@ }

return this._options.moduleCache.getPackage(packageJsonPath).read();
} catch (e) {
// Do nothing. The standard module cache does not trigger any error, but
// the ModuleGraph one does, if the module does not exist.
}
} catch (e) {}
return null;

@@ -187,6 +169,3 @@ };

pkg = this._options.moduleCache.getPackageOf(modulePath);
} catch (e) {
// Do nothing. The standard module cache does not trigger any error, but
// the ModuleGraph one does, if the module does not exist.
}
} catch (e) {}
return pkg != null

@@ -199,6 +178,2 @@ ? {

};
/**
* TODO: Return Resolution instead of coercing to BundlerResolution here
*/
_getFileResolvedModule(resolution) {

@@ -209,4 +184,2 @@ switch (resolution.type) {

case "assetFiles":
// FIXME: we should forward ALL the paths/metadata,
// not just an arbitrary item!
const arbitrary = getArrayLowestItem(resolution.filePaths);

@@ -254,15 +227,2 @@ invariant(arbitrary != null, "invalid asset resolution");

class UnableToResolveError extends Error {
/**
* File path of the module that tried to require a module, ex. `/js/foo.js`.
*/
/**
* The name of the module that was required, no necessarily a path,
* ex. `./bar`, or `invariant`.
*/
/**
* Original error that causes this error
*/
constructor(originModulePath, targetModuleName, message, options) {

@@ -288,6 +248,2 @@ super();

if (error.code === "ENOENT" || error.code === "EISDIR") {
// We're probably dealing with a virtualised file system where
// `this.originModulePath` doesn't actually exist on disk.
// We can't show a code frame, but there's no need to let this I/O
// error shadow the original module resolution error.
return null;

@@ -303,4 +259,3 @@ }

)
: // TODO: Ultimately we shouldn't ever have to guess the location.
guessDependencyLocation(file, this.targetModuleName);
: guessDependencyLocation(file, this.targetModuleName);
return codeFrameColumns(

@@ -315,12 +270,4 @@ fs.readFileSync(this.originModulePath, "utf8"),

}
// Given a source location for an import declaration or `require()` call (etc),
// return a location for use with @babel/code-frame in the resolution error.
function refineDependencyLocation(loc, fileContents, targetSpecifier) {
const lines = fileContents.split("\n");
// If we can find the module name in range of the given loc, surrounded by
// matching quotes, that's likely our specifier. Point to the first column of
// the *last* valid occurrence.
// Note that module names may not always be found in the source code verbatim,
// whether because of escaping or because of exotic dependency APIs.
for (let line = loc.end.line - 1; line >= loc.start.line - 1; line--) {

@@ -334,6 +281,3 @@ const maxColumn =

let offset = lineSlice.lastIndexOf(targetSpecifier);
offset !== -1 &&
// leave room for quotes
offset > 0 &&
offset < lineSlice.length - 1;
offset !== -1 && offset > 0 && offset < lineSlice.length - 1;
offset = lineSlice.lastIndexOf(targetSpecifier, offset - 1)

@@ -354,3 +298,2 @@ ) {

}
// Otherwise, if this is a single-line loc, return it exactly, as a range.
if (loc.start.line === loc.end.line) {

@@ -368,4 +311,2 @@ return {

}
// Otherwise, point to the first column of the loc, to avoid including too
// much unnecessary context.
return {

@@ -372,0 +313,0 @@ start: {

16

src/node-haste/lib/AssetPaths.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -37,7 +26,2 @@

}
/**
* Return `null` if the `filePath` doesn't have a valid extension, required
* to describe the type of an asset.
*/
function tryParse(filePath, platforms) {

@@ -44,0 +28,0 @@ const result = parsePlatformFilePath(filePath, platforms);

16

src/node-haste/lib/parsePlatformFilePath.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -16,7 +5,2 @@

const PATH_RE = /^(.+?)(\.([^.]+))?\.([^.]+)$/;
/**
* Extract the components of a file path that can have a platform specifier: Ex.
* `index.ios.js` is specific to the `ios` platform and has the extension `js`.
*/
function parsePlatformFilePath(filePath, platforms) {

@@ -23,0 +7,0 @@ const dirPath = path.dirname(filePath);

11

src/node-haste/Module.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

20

src/node-haste/ModuleCache.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -17,6 +6,2 @@

class ModuleCache {
// Cache for "closest package.json" queries by module path.
// The inverse of _packagePathByModulePath.
constructor(options) {

@@ -72,7 +57,4 @@ this._getClosestPackage = options.getClosestPackage;

if (this._packagePathByModulePath[filePath]) {
// filePath is a module inside a package.
const packagePath = this._packagePathByModulePath[filePath];
delete this._packagePathByModulePath[filePath];
// This change doesn't invalidate any cached "closest package.json"
// queries for the package's other modules. Clean up only this module.
const modulePaths = this._modulePathsByPackagePath[packagePath];

@@ -87,4 +69,2 @@ if (modulePaths) {

if (this._modulePathsByPackagePath[filePath]) {
// filePath is a package. This change invalidates all cached "closest
// package.json" queries for modules inside this package.
const modulePaths = this._modulePathsByPackagePath[filePath];

@@ -91,0 +71,0 @@ for (const modulePath of modulePaths) {

11

src/node-haste/Package.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

89

src/Server.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -75,7 +64,2 @@

this._isEnded = false;
// TODO(T34760917): These two properties should eventually be instantiated
// elsewhere and passed as parameters, since they are also needed by
// the HmrServer.
// The whole bundling/serializing logic should follow as well.
this._createModuleId = config.serializer.createModuleIdFactory();

@@ -259,15 +243,8 @@ this._bundler = new IncrementalBundler(config, {

async getOrderedDependencyPaths(options) {
const {
entryFile,
onProgress,
resolverOptions,
transformOptions,
/* $FlowFixMe(>=0.122.0 site=react_native_fb) This comment suppresses an
* error found when Flow v0.122.0 was deployed. To see the error, delete
* this comment and run Flow. */
} = splitBundleOptions({
...Server.DEFAULT_BUNDLE_OPTIONS,
...options,
bundleType: "bundle",
});
const { entryFile, onProgress, resolverOptions, transformOptions } =
splitBundleOptions({
...Server.DEFAULT_BUNDLE_OPTIONS,
...options,
bundleType: "bundle",
});
const { prepend, graph } = await this._bundler.buildGraph(

@@ -286,4 +263,2 @@ entryFile,

parsePlatformFilePath(entryFile, this._platforms).platform;
// $FlowFixMe[incompatible-return]
return await getAllFiles(prepend, graph, {

@@ -345,4 +320,2 @@ platform,

);
// Tell clients to cache this for 1 year.
// This is safe as the asset url contains a hash of the asset.
if (process.env.REACT_NATIVE_ENABLE_ASSET_CACHING === true) {

@@ -402,3 +375,2 @@ res.setHeader("Cache-Control", "max-age=31536000");

} else if (pathname.endsWith(".map")) {
// Chrome dev tools may need to access the source maps.
res.setHeader("Access-Control-Allow-Origin", "devtools://devtools");

@@ -454,7 +426,2 @@ await this._processSourceMapRequest(

} = splitBundleOptions(bundleOptions);
/**
* `entryFile` is relative to projectRoot, we need to use resolution function
* to find the appropriate file with supported extensions.
*/
let resolvedEntryFilePath;

@@ -483,4 +450,2 @@ try {

});
// For resources that support deletion, handle the DELETE method.
if (deleteFn && req.method === "DELETE") {

@@ -513,7 +478,2 @@ const deleteContext = {

);
// We want to throttle the updates so that we only show meaningful
// UI updates slow enough for the client to actually handle them. For
// that, we check the percentage, and only send percentages that are
// actually different and that have increased from the last one we sent.
if (currentProgress > lastProgress || totalFileCount < 10) {

@@ -531,10 +491,2 @@ if (mres instanceof MultipartResponse) {

}
// The `uncork` called internally in Node via `promise.nextTick()` may not fire
// until all of the Promises are resolved because the microtask queue we're
// in could be starving the event loop. This can cause a bug where the progress
// is not actually sent in the response until after bundling is complete. This
// would defeat the purpose of sending progress, so we `uncork` the stream now
// which will force the response to flush to the client immediately.
// $FlowFixMe[method-unbinding] added when improving typing for this parameters
if (res.socket != null && res.socket.uncork != null) {

@@ -626,5 +578,2 @@ res.socket.uncork();

log(
/* $FlowFixMe(>=0.122.0 site=react_native_fb) This comment suppresses
* an error found when Flow v0.122.0 was deployed. To see the error,
* delete this comment and run Flow. */
createActionEndEntry({

@@ -764,5 +713,2 @@ ...logEntry,

if (
// We avoid parsing the dates since the client should never send a more
// recent date than the one returned by the Delta Bundler (if that's the
// case it's fine to return the whole bundle).
req.headers["if-modified-since"] ===

@@ -808,12 +754,7 @@ result.lastModifiedDate.toUTCString()

});
// This function ensures that modules in source maps are sorted in the same
// order as in a plain JS bundle.
_getSortedModules(graph) {
const modules = [...graph.dependencies.values()];
// Assign IDs to modules in a consistent order
for (const module of modules) {
this._createModuleId(module.path);
}
// Sort by IDs
return modules.sort(

@@ -941,4 +882,2 @@ (a, b) => this._createModuleId(a.path) - this._createModuleId(b.path)

{
// Metro returns 0 based columns but codeFrameColumns expects 1-based columns
// $FlowFixMe[unsafe-addition]
start: {

@@ -970,3 +909,2 @@ column: column + 1,

debug("Start symbolication");
/* $FlowFixMe: where is `rawBody` defined? Is it added by the `connect` framework? */
const body = await req.rawBody;

@@ -991,8 +929,5 @@ const parsedBody = JSON.parse(body);

const stack = parsedBody.stack.map(rewriteAndNormalizeStackFrame);
// In case of multiple bundles / HMR, some stack frames can have different URLs from others
const urls = new Set();
stack.forEach((frame) => {
// These urls have been rewritten and normalized above.
const sourceUrl = frame.file;
// Skip `/debuggerWorker.js` which does not need symbolication.
if (

@@ -1051,7 +986,2 @@ sourceUrl != null &&

} = splitBundleOptions(bundleOptions);
/**
* `entryFile` is relative to projectRoot, we need to use resolution function
* to find the appropriate file with supported extensions.
*/
const resolvedEntryFilePath = await this._resolveRelativePath(entryFile, {

@@ -1153,4 +1083,2 @@ relativeTo: "server",

}
// Wait for the server to finish initializing.
async ready() {

@@ -1160,8 +1088,4 @@ await this._bundler.ready();

_shouldAddModuleToIgnoreList(module) {
// TODO: Add flag to Module signifying whether it represents generated code
// and clean up these heuristics.
return (
// Prelude code, see getPrependedScripts.js
module.path === "__prelude__" ||
// Generated require.context() module, see contextModule.js
module.path.includes("?ctx=") ||

@@ -1173,3 +1097,2 @@ this._config.serializer.isThirdPartyModule(module)

function* zip(xs, ys) {
//$FlowIssue #9324959
const ysIter = ys[Symbol.iterator]();

@@ -1176,0 +1099,0 @@ for (const x of xs) {

13

src/Server/MultipartResponse.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -55,4 +44,2 @@

writeHead(status, headers) {
// We can't actually change the response HTTP status code
// because the headers have already been sent
this.setHeader("X-Http-Status", status);

@@ -59,0 +46,0 @@ if (!headers) {

38

src/Server/symbolicate.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -27,5 +16,4 @@

},
(name) => name /* no normalization needed */
(name) => name
);
return ({ line1Based, column0Based }) =>

@@ -85,12 +73,7 @@ consumer.functionNameFor({

const mapping = module.map[mappingIndex];
if (
mapping[0] !== generatedPosInModule.line1Based ||
mapping.length < 4 /* no source line/column info */
) {
if (mapping[0] !== generatedPosInModule.line1Based || mapping.length < 4) {
return null;
}
return {
// $FlowFixMe: Length checks do not refine tuple unions.
line1Based: mapping[2],
// $FlowFixMe: Length checks do not refine tuple unions.
column0Based: mapping[3],

@@ -138,11 +121,2 @@ };

}
/**
* `customizeFrame` allows for custom modifications of the symbolicated frame in a stack.
* It can be used to collapse stack frames that are not relevant to users, pointing them
* to more relevant product code instead.
*
* An example usecase is a library throwing an error while sanitizing inputs from product code.
* In some cases, it's more useful to point the developer looking at the error towards the product code directly.
*/
async function customizeFrame(frame) {

@@ -156,10 +130,2 @@ const customizations =

}
/**
* `customizeStack` allows for custom modifications of a symbolicated stack.
* Where `customizeFrame` operates on individual frames, this hook can process the entire stack in context.
*
* Note: `customizeStack` has access to an `extraData` object which can be used to attach metadata
* to the error coming in, to be used by the customizeStack hook.
*/
async function customizeStack(symbolicatedStack) {

@@ -166,0 +132,0 @@ return await config.symbolicator.customizeStack(

13

src/shared/output/bundle.flow.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -55,4 +44,2 @@

}
// Wait until everything is written to disk.
await Promise.all(writeFns.map((cb) => cb()));

@@ -59,0 +46,0 @@ }

14

src/shared/output/bundle.js

@@ -1,17 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
/*::
export type * from './bundle.flow';
*/
try {

@@ -18,0 +4,0 @@ require("metro-babel-register").unstable_registerForMetroMonorepo();

11

src/shared/output/meta.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

14

src/shared/output/RamBundle.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -26,5 +15,2 @@

function save(bundle, options, log) {
// We fork here depending on the platform: while Android is pretty good at
// loading individual assets, iOS has a large overhead when reading hundreds
// of assets from disk.
return options.platform === "android" && !(options.indexedRamBundle === true)

@@ -31,0 +17,0 @@ ? asAssets(bundle, options, log)

35

src/shared/output/RamBundle/as-assets.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -22,13 +11,4 @@

const path = require("path");
// must not start with a dot, as that won't go into the apk
const MAGIC_RAM_BUNDLE_FILENAME = "UNBUNDLE";
const MODULES_DIR = "js-modules";
/**
* Saves all JS modules of an app as single files
* The startup code (prelude, polyfills etc.) are written to the file
* designated by the `bundleOuput` option.
* All other modules go into a 'js-modules' folder that in the same parent
* directory as the startup file.
*/
function saveAsAssets(bundle, options, log) {

@@ -47,12 +27,9 @@ const {

const modulesDir = path.join(path.dirname(bundleOutput), MODULES_DIR);
const writeUnbundle = createDir(modulesDir).then(
// create the modules directory first
() =>
Promise.all([
writeModules(lazyModules, modulesDir, encoding),
writeFile(bundleOutput, startupCode, encoding),
writeMagicFlagFile(modulesDir),
])
const writeUnbundle = createDir(modulesDir).then(() =>
Promise.all([
writeModules(lazyModules, modulesDir, encoding),
writeFile(bundleOutput, startupCode, encoding),
writeMagicFlagFile(modulesDir),
])
);
// $FlowFixMe[unused-promise]
writeUnbundle.then(() => log("Done writing unbundle output"));

@@ -59,0 +36,0 @@ if (sourcemapOutput) {

44

src/shared/output/RamBundle/as-indexed-file.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -21,10 +10,2 @@

const SIZEOF_UINT32 = 4;
/**
* Saves all JS modules of an app as a single file, separated with null bytes.
* The file begins with an offset table that contains module ids and their
* lengths/offsets.
* The module id for the startup code (prelude, polyfills etc.) is the
* empty string.
*/
function saveAsIndexedFile(bundle, options, log) {

@@ -88,16 +69,5 @@ const {

function entryOffset(n) {
// 2: num_entries + startup_code_len
// n * 2: each entry consists of two uint32s
return (2 + n * 2) * SIZEOF_UINT32;
}
function buildModuleTable(startupCode, moduleBuffers, moduleGroups) {
// table format:
// - num_entries: uint_32 number of entries
// - startup_code_len: uint_32 length of the startup section
// - entries: entry...
//
// entry:
// - module_offset: uint_32 offset into the modules blob
// - module_length: uint_32 length of the module code in bytes
const moduleIds = [...moduleGroups.modulesById.keys()];

@@ -107,10 +77,4 @@ const maxId = moduleIds.reduce((max, id) => Math.max(max, id));

const table = Buffer.alloc(entryOffset(numEntries)).fill(0);
// num_entries
table.writeUInt32LE(numEntries, 0);
// startup_code_len
table.writeUInt32LE(startupCode.length, SIZEOF_UINT32);
// entries
let codeOffset = startupCode.length;

@@ -122,5 +86,3 @@ moduleBuffers.forEach(({ id, buffer }) => {

const offset = entryOffset(moduleId);
// module_offset
table.writeUInt32LE(codeOffset, offset);
// module_length
table.writeUInt32LE(buffer.length, offset + SIZEOF_UINT32);

@@ -160,8 +122,2 @@ });

function buildTableAndContents(startupCode, modules, moduleGroups, encoding) {
// file contents layout:
// - magic number char[4] 0xE5 0xD1 0x0B 0xFB (0xFB0BD1E5 uint32 LE)
// - offset table table see `buildModuleTables`
// - code blob char[] null-terminated code strings, starting with
// the startup code
const startupCodeBuffer = nullTerminatedBuffer(startupCode, encoding);

@@ -168,0 +124,0 @@ const moduleBuffers = buildModuleBuffers(modules, moduleGroups, encoding);

13

src/shared/output/RamBundle/buildSourcemapWithMetadata.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -36,4 +25,2 @@

};
// Add map of module id -> source to sourcemap
const module_paths = [];

@@ -40,0 +27,0 @@ startupModules.forEach((m) => {

11

src/shared/output/RamBundle/magic-number.js

@@ -1,14 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
module.exports = 0xfb0bd1e5;

18

src/shared/output/RamBundle/util.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -20,7 +9,3 @@

function lineToLineSourceMap(source, filename = "") {
// The first line mapping in our package is the base64vlq code for zeros (A).
const firstLine = "AAAA;";
// Most other lines in our mappings are all zeros (for module, column etc)
// except for the lineno mapping: curLineno - prevLineno = 1; Which is C.
const line = "AACA;";

@@ -80,3 +65,2 @@ return {

if (moduleGroups && moduleGroups.modulesInGroups.has(id)) {
// this is a module appended to another module
return;

@@ -90,3 +74,3 @@ }

.map((moduleId) => modulesById.get(moduleId))
.filter(Boolean); // needed to appease flow
.filter(Boolean);
otherModules.forEach((m) => {

@@ -93,0 +77,0 @@ groupLines += (0, _countLines.default)(m.code);

12

src/shared/output/RamBundle/write-sourcemap.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -21,3 +10,2 @@

const writeMap = writeFile(fileName, contents, null);
// $FlowFixMe[unused-promise]
writeMap.then(() => log("Done writing sourcemap output"));

@@ -24,0 +12,0 @@ return writeMap;

13

src/shared/output/unbundle.js

@@ -1,16 +0,3 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
/* This is for retro-compatibility of React Native with older versions of
* Metro. Use the `RamBundle` module directly. */
module.exports = require("./RamBundle");

11

src/shared/output/writeFile.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";

@@ -13,0 +2,0 @@

11

src/shared/types.flow.js

@@ -1,12 +0,1 @@

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @format
* @oncall react_native
*/
"use strict";
src/DeltaBundler/getTransformCacheKey.js.flow

Sorry, the diff of this file is not supported yet

src/DeltaBundler/Worker.flow.js.flow

Sorry, the diff of this file is not supported yet

src/node-haste/DependencyGraph.js.flow

Sorry, the diff of this file is not supported yet

src/shared/output/bundle.flow.js.flow

Sorry, the diff of this file is not supported yet

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