Gecko [ unitednationsplay.com ]

Name	Size	Permission	Date
asset	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
async-modules	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
cache	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
config	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
container	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
css	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
debug	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
dependencies	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
electron	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
errors	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
esm	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
hmr	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
ids	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
javascript	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
json	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
library	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
logging	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
node	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
optimize	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
performance	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
prefetch	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
rules	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
runtime	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
schemes	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
serialization	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
sharing	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
stats	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
util	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
wasm	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
wasm-async	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
wasm-sync	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
web	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
webworker	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
APIPlugin.js	6.72 KB	-rw-rw-r--	2022-08-30 11:49
AbstractMethodError.js	1.11 KB	-rw-rw-r--	2022-08-30 11:49
AsyncDependenciesBlock.js	2.86 KB	-rw-rw-r--	2022-08-30 11:49
AsyncDependencyToInitialChunkError.js	913 B	-rw-rw-r--	2022-08-30 11:49
AutomaticPrefetchPlugin.js	1.46 KB	-rw-rw-r--	2022-08-30 11:49
BannerPlugin.js	2.93 KB	-rw-rw-r--	2022-08-30 11:49
Cache.js	3.88 KB	-rw-rw-r--	2022-08-30 11:49
CacheFacade.js	8.38 KB	-rw-rw-r--	2022-08-30 11:49
CaseSensitiveModulesWarning.js	2.06 KB	-rw-rw-r--	2022-08-30 11:49
Chunk.js	21.1 KB	-rw-rw-r--	2022-08-30 11:49
ChunkGraph.js	49.33 KB	-rw-rw-r--	2022-08-30 11:49
ChunkGroup.js	14.77 KB	-rw-rw-r--	2022-08-30 11:49
ChunkRenderError.js	657 B	-rw-rw-r--	2022-08-30 11:49
ChunkTemplate.js	3.9 KB	-rw-rw-r--	2022-08-30 11:49
CleanPlugin.js	11.24 KB	-rw-rw-r--	2022-08-30 11:49
CodeGenerationError.js	619 B	-rw-rw-r--	2022-08-30 11:49
CodeGenerationResults.js	4.36 KB	-rw-rw-r--	2022-08-30 11:49
CommentCompilationWarning.js	729 B	-rw-rw-r--	2022-08-30 11:49
CompatibilityPlugin.js	4.54 KB	-rw-rw-r--	2022-08-30 11:49
Compilation.js	157.69 KB	-rw-rw-r--	2022-08-30 11:49
Compiler.js	35.03 KB	-rw-rw-r--	2022-08-30 11:49
ConcatenationScope.js	4.53 KB	-rw-rw-r--	2022-08-30 11:49
ConcurrentCompilationError.js	441 B	-rw-rw-r--	2022-08-30 11:49
ConditionalInitFragment.js	3.36 KB	-rw-rw-r--	2022-08-30 11:49
ConstPlugin.js	14.42 KB	-rw-rw-r--	2022-08-30 11:49
ContextExclusionPlugin.js	797 B	-rw-rw-r--	2022-08-30 11:49
ContextModule.js	33.63 KB	-rw-rw-r--	2022-08-30 11:49
ContextModuleFactory.js	12.3 KB	-rw-rw-r--	2022-08-30 11:49
ContextReplacementPlugin.js	4.61 KB	-rw-rw-r--	2022-08-30 11:49
DefinePlugin.js	16.28 KB	-rw-rw-r--	2022-08-30 11:49
DelegatedModule.js	7.08 KB	-rw-rw-r--	2022-08-30 11:49
DelegatedModuleFactoryPlugin.js	2.28 KB	-rw-rw-r--	2022-08-30 11:49
DelegatedPlugin.js	1015 B	-rw-rw-r--	2022-08-30 11:49
DependenciesBlock.js	2.53 KB	-rw-rw-r--	2022-08-30 11:49
Dependency.js	9.36 KB	-rw-rw-r--	2022-08-30 11:49
DependencyTemplate.js	2.43 KB	-rw-rw-r--	2022-08-30 11:49
DependencyTemplates.js	1.69 KB	-rw-rw-r--	2022-08-30 11:49
DllEntryPlugin.js	1.25 KB	-rw-rw-r--	2022-08-30 11:49
DllModule.js	4.4 KB	-rw-rw-r--	2022-08-30 11:49
DllModuleFactory.js	1008 B	-rw-rw-r--	2022-08-30 11:49
DllPlugin.js	1.66 KB	-rw-rw-r--	2022-08-30 11:49
DllReferencePlugin.js	5.01 KB	-rw-rw-r--	2022-08-30 11:49
DynamicEntryPlugin.js	1.99 KB	-rw-rw-r--	2022-08-30 11:49
EntryOptionPlugin.js	2.77 KB	-rw-rw-r--	2022-08-30 11:49
EntryPlugin.js	1.7 KB	-rw-rw-r--	2022-08-30 11:49
Entrypoint.js	2.95 KB	-rw-rw-r--	2022-08-30 11:49
EnvironmentPlugin.js	1.7 KB	-rw-rw-r--	2022-08-30 11:49
ErrorHelpers.js	1.42 KB	-rw-rw-r--	2022-08-30 11:49
EvalDevToolModulePlugin.js	3.67 KB	-rw-rw-r--	2022-08-30 11:49
EvalSourceMapDevToolPlugin.js	6.67 KB	-rw-rw-r--	2022-08-30 11:49
ExportsInfo.js	42.96 KB	-rw-rw-r--	2022-08-30 11:49
ExportsInfoApiPlugin.js	2.02 KB	-rw-rw-r--	2022-08-30 11:49
ExternalModule.js	21.94 KB	-rw-rw-r--	2022-08-30 11:49
ExternalModuleFactoryPlugin.js	7.06 KB	-rw-rw-r--	2022-08-30 11:49
ExternalsPlugin.js	899 B	-rw-rw-r--	2022-08-30 11:49
FileSystemInfo.js	102.03 KB	-rw-rw-r--	2022-08-30 11:49
FlagAllModulesAsUsedPlugin.js	1.42 KB	-rw-rw-r--	2022-08-30 11:49
FlagDependencyExportsPlugin.js	12.91 KB	-rw-rw-r--	2022-08-30 11:49
FlagDependencyUsagePlugin.js	10.74 KB	-rw-rw-r--	2022-08-30 11:49
FlagEntryExportAsUsedPlugin.js	1.34 KB	-rw-rw-r--	2022-08-30 11:49
Generator.js	4.73 KB	-rw-rw-r--	2022-08-30 11:49
GraphHelpers.js	1.05 KB	-rw-rw-r--	2022-08-30 11:49
HarmonyLinkingError.js	357 B	-rw-rw-r--	2022-08-30 11:49
HookWebpackError.js	2.03 KB	-rw-rw-r--	2022-08-30 11:49
HotModuleReplacementPlugin.js	25.72 KB	-rw-rw-r--	2022-08-30 11:49
HotUpdateChunk.js	353 B	-rw-rw-r--	2022-08-30 11:49
IgnoreErrorModuleFactory.js	1.02 KB	-rw-rw-r--	2022-08-30 11:49
IgnorePlugin.js	2.2 KB	-rw-rw-r--	2022-08-30 11:49
IgnoreWarningsPlugin.js	964 B	-rw-rw-r--	2022-08-30 11:49
InitFragment.js	4.54 KB	-rw-rw-r--	2022-08-30 11:49
InvalidDependenciesModuleWarning.js	1.83 KB	-rw-rw-r--	2022-08-30 11:49
JavascriptMetaInfoPlugin.js	2.03 KB	-rw-rw-r--	2022-08-30 11:49
LibManifestPlugin.js	3.04 KB	-rw-rw-r--	2022-08-30 11:49
LibraryTemplatePlugin.js	1.55 KB	-rw-rw-r--	2022-08-30 11:49
LoaderOptionsPlugin.js	1.81 KB	-rw-rw-r--	2022-08-30 11:49
LoaderTargetPlugin.js	747 B	-rw-rw-r--	2022-08-30 11:49
MainTemplate.js	10.15 KB	-rw-rw-r--	2022-08-30 11:49
Module.js	29.96 KB	-rw-rw-r--	2022-08-30 11:49
ModuleBuildError.js	1.59 KB	-rw-rw-r--	2022-08-30 11:49
ModuleDependencyError.js	1.08 KB	-rw-rw-r--	2022-08-30 11:49
ModuleDependencyWarning.js	1.19 KB	-rw-rw-r--	2022-08-30 11:49
ModuleError.js	1.17 KB	-rw-rw-r--	2022-08-30 11:49
ModuleFactory.js	1.39 KB	-rw-rw-r--	2022-08-30 11:49
ModuleFilenameHelpers.js	7.98 KB	-rw-rw-r--	2022-08-30 11:49
ModuleGraph.js	23.99 KB	-rw-rw-r--	2022-08-30 11:49
ModuleGraphConnection.js	5.09 KB	-rw-rw-r--	2022-08-30 11:49
ModuleHashingError.js	615 B	-rw-rw-r--	2022-08-30 11:49
ModuleInfoHeaderPlugin.js	7.01 KB	-rw-rw-r--	2022-08-30 11:49
ModuleNotFoundError.js	2.55 KB	-rw-rw-r--	2022-08-30 11:49
ModuleParseError.js	3.25 KB	-rw-rw-r--	2022-08-30 11:49
ModuleProfile.js	2.38 KB	-rw-rw-r--	2022-08-30 11:49
ModuleRestoreError.js	957 B	-rw-rw-r--	2022-08-30 11:49
ModuleStoreError.js	951 B	-rw-rw-r--	2022-08-30 11:49
ModuleTemplate.js	3.91 KB	-rw-rw-r--	2022-08-30 11:49
ModuleWarning.js	1.25 KB	-rw-rw-r--	2022-08-30 11:49
MultiCompiler.js	15.67 KB	-rw-rw-r--	2022-08-30 11:49
MultiStats.js	4.12 KB	-rw-rw-r--	2022-08-30 11:49
MultiWatching.js	1.44 KB	-rw-rw-r--	2022-08-30 11:49
NoEmitOnErrorsPlugin.js	713 B	-rw-rw-r--	2022-08-30 11:49
NoModeWarning.js	663 B	-rw-rw-r--	2022-08-30 11:49
NodeStuffInWebError.js	843 B	-rw-rw-r--	2022-08-30 11:49
NodeStuffPlugin.js	5.27 KB	-rw-rw-r--	2022-08-30 11:49
NormalModule.js	41.09 KB	-rw-rw-r--	2022-08-30 11:49
NormalModuleFactory.js	31.6 KB	-rw-rw-r--	2022-08-30 11:49
NormalModuleReplacementPlugin.js	1.84 KB	-rw-rw-r--	2022-08-30 11:49
NullFactory.js	628 B	-rw-rw-r--	2022-08-30 11:49
OptimizationStages.js	204 B	-rw-rw-r--	2022-08-30 11:49
OptionsApply.js	201 B	-rw-rw-r--	2022-08-30 11:49
Parser.js	968 B	-rw-rw-r--	2022-08-30 11:49
PrefetchPlugin.js	1.02 KB	-rw-rw-r--	2022-08-30 11:49
ProgressPlugin.js	16.78 KB	-rw-rw-r--	2022-08-30 11:49
ProvidePlugin.js	2.82 KB	-rw-rw-r--	2022-08-30 11:49
RawModule.js	4.53 KB	-rw-rw-r--	2022-08-30 11:49
RecordIdsPlugin.js	6.66 KB	-rw-rw-r--	2022-08-30 11:49
RequestShortener.js	755 B	-rw-rw-r--	2022-08-30 11:49
RequireJsStuffPlugin.js	1.86 KB	-rw-rw-r--	2022-08-30 11:49
ResolverFactory.js	4.83 KB	-rw-rw-r--	2022-08-30 11:49
RuntimeGlobals.js	9.01 KB	-rw-rw-r--	2022-08-30 11:49
RuntimeModule.js	5.63 KB	-rw-rw-r--	2022-08-30 11:49
RuntimePlugin.js	14.68 KB	-rw-rw-r--	2022-08-30 11:49
RuntimeTemplate.js	31.11 KB	-rw-rw-r--	2022-08-30 11:49
SelfModuleFactory.js	384 B	-rw-rw-r--	2022-08-30 11:49
SingleEntryPlugin.js	161 B	-rw-rw-r--	2022-08-30 11:49
SizeFormatHelpers.js	583 B	-rw-rw-r--	2022-08-30 11:49
SourceMapDevToolModuleOptionsPlugin.js	1.29 KB	-rw-rw-r--	2022-08-30 11:49
SourceMapDevToolPlugin.js	16.61 KB	-rw-rw-r--	2022-08-30 11:49
Stats.js	1.96 KB	-rw-rw-r--	2022-08-30 11:49
Template.js	12.52 KB	-rw-rw-r--	2022-08-30 11:49
TemplatedPathPlugin.js	8.58 KB	-rw-rw-r--	2022-08-30 11:49
UnhandledSchemeError.js	833 B	-rw-rw-r--	2022-08-30 11:49
UnsupportedFeatureWarning.js	780 B	-rw-rw-r--	2022-08-30 11:49
UseStrictPlugin.js	1.61 KB	-rw-rw-r--	2022-08-30 11:49
WarnCaseSensitiveModulesPlugin.js	1.38 KB	-rw-rw-r--	2022-08-30 11:49
WarnDeprecatedOptionPlugin.js	1.25 KB	-rw-rw-r--	2022-08-30 11:49
WarnNoModeSetPlugin.js	545 B	-rw-rw-r--	2022-08-30 11:49
WatchIgnorePlugin.js	3.27 KB	-rw-rw-r--	2022-08-30 11:49
Watching.js	12.62 KB	-rw-rw-r--	2022-08-30 11:49
WebpackError.js	1.34 KB	-rw-rw-r--	2022-08-30 11:49
WebpackIsIncludedPlugin.js	2.36 KB	-rw-rw-r--	2022-08-30 11:49
WebpackOptionsApply.js	25.69 KB	-rw-rw-r--	2022-08-30 11:49
WebpackOptionsDefaulter.js	470 B	-rw-rw-r--	2022-08-30 11:49
buildChunkGraph.js	44.55 KB	-rw-rw-r--	2022-08-30 11:49
cli.js	16.2 KB	-rw-rw-r--	2022-08-30 11:49
formatLocation.js	1.74 KB	-rw-rw-r--	2022-08-30 11:49
index.js	16.21 KB	-rw-rw-r--	2022-08-30 11:49
validateSchema.js	6.25 KB	-rw-rw-r--	2022-08-30 11:49
webpack.js	5.27 KB	-rw-rw-r--	2022-08-30 11:49

Rename

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const Stats = require("./Stats");

/** @typedef {import("../declarations/WebpackOptions").WatchOptions} WatchOptions */
/** @typedef {import("./Compilation")} Compilation */
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./FileSystemInfo").FileSystemInfoEntry} FileSystemInfoEntry */

/**
 * @template T
 * @callback Callback
 * @param {(Error | null)=} err
 * @param {T=} result
 */

class Watching {
	/**
	 * @param {Compiler} compiler the compiler
	 * @param {WatchOptions} watchOptions options
	 * @param {Callback<Stats>} handler completion handler
	 */
	constructor(compiler, watchOptions, handler) {
		this.startTime = null;
		this.invalid = false;
		this.handler = handler;
		/** @type {Callback<void>[]} */
		this.callbacks = [];
		/** @type {Callback<void>[] | undefined} */
		this._closeCallbacks = undefined;
		this.closed = false;
		this.suspended = false;
		this.blocked = false;
		this._isBlocked = () => false;
		this._onChange = () => {};
		this._onInvalid = () => {};
		if (typeof watchOptions === "number") {
			this.watchOptions = {
				aggregateTimeout: watchOptions
			};
		} else if (watchOptions && typeof watchOptions === "object") {
			this.watchOptions = { ...watchOptions };
		} else {
			this.watchOptions = {};
		}
		if (typeof this.watchOptions.aggregateTimeout !== "number") {
			this.watchOptions.aggregateTimeout = 20;
		}
		this.compiler = compiler;
		this.running = false;
		this._initial = true;
		this._invalidReported = true;
		this._needRecords = true;
		this.watcher = undefined;
		this.pausedWatcher = undefined;
		/** @type {Set<string>} */
		this._collectedChangedFiles = undefined;
		/** @type {Set<string>} */
		this._collectedRemovedFiles = undefined;
		this._done = this._done.bind(this);
		process.nextTick(() => {
			if (this._initial) this._invalidate();
		});
	}

/**
	 * @param {ReadonlySet<string>} changedFiles changed files
	 * @param {ReadonlySet<string>} removedFiles removed files
	 */
	_mergeWithCollected(changedFiles, removedFiles) {
		if (!changedFiles) return;
		if (!this._collectedChangedFiles) {
			this._collectedChangedFiles = new Set(changedFiles);
			this._collectedRemovedFiles = new Set(removedFiles);
		} else {
			for (const file of changedFiles) {
				this._collectedChangedFiles.add(file);
				this._collectedRemovedFiles.delete(file);
			}
			for (const file of removedFiles) {
				this._collectedChangedFiles.delete(file);
				this._collectedRemovedFiles.add(file);
			}
		}
	}

/**
	 * @param {ReadonlyMap<string, FileSystemInfoEntry | "ignore">=} fileTimeInfoEntries info for files
	 * @param {ReadonlyMap<string, FileSystemInfoEntry | "ignore">=} contextTimeInfoEntries info for directories
	 * @param {ReadonlySet<string>=} changedFiles changed files
	 * @param {ReadonlySet<string>=} removedFiles removed files
	 * @returns {void}
	 */
	_go(fileTimeInfoEntries, contextTimeInfoEntries, changedFiles, removedFiles) {
		this._initial = false;
		if (this.startTime === null) this.startTime = Date.now();
		this.running = true;
		if (this.watcher) {
			this.pausedWatcher = this.watcher;
			this.lastWatcherStartTime = Date.now();
			this.watcher.pause();
			this.watcher = null;
		} else if (!this.lastWatcherStartTime) {
			this.lastWatcherStartTime = Date.now();
		}
		this.compiler.fsStartTime = Date.now();
		if (
			changedFiles &&
			removedFiles &&
			fileTimeInfoEntries &&
			contextTimeInfoEntries
		) {
			this._mergeWithCollected(changedFiles, removedFiles);
			this.compiler.fileTimestamps = fileTimeInfoEntries;
			this.compiler.contextTimestamps = contextTimeInfoEntries;
		} else if (this.pausedWatcher) {
			if (this.pausedWatcher.getInfo) {
				const {
					changes,
					removals,
					fileTimeInfoEntries,
					contextTimeInfoEntries
				} = this.pausedWatcher.getInfo();
				this._mergeWithCollected(changes, removals);
				this.compiler.fileTimestamps = fileTimeInfoEntries;
				this.compiler.contextTimestamps = contextTimeInfoEntries;
			} else {
				this._mergeWithCollected(
					this.pausedWatcher.getAggregatedChanges &&
						this.pausedWatcher.getAggregatedChanges(),
					this.pausedWatcher.getAggregatedRemovals &&
						this.pausedWatcher.getAggregatedRemovals()
				);
				this.compiler.fileTimestamps =
					this.pausedWatcher.getFileTimeInfoEntries();
				this.compiler.contextTimestamps =
					this.pausedWatcher.getContextTimeInfoEntries();
			}
		}
		this.compiler.modifiedFiles = this._collectedChangedFiles;
		this._collectedChangedFiles = undefined;
		this.compiler.removedFiles = this._collectedRemovedFiles;
		this._collectedRemovedFiles = undefined;

const run = () => {
			if (this.compiler.idle) {
				return this.compiler.cache.endIdle(err => {
					if (err) return this._done(err);
					this.compiler.idle = false;
					run();
				});
			}
			if (this._needRecords) {
				return this.compiler.readRecords(err => {
					if (err) return this._done(err);

this._needRecords = false;
					run();
				});
			}
			this.invalid = false;
			this._invalidReported = false;
			this.compiler.hooks.watchRun.callAsync(this.compiler, err => {
				if (err) return this._done(err);
				const onCompiled = (err, compilation) => {
					if (err) return this._done(err, compilation);
					if (this.invalid) return this._done(null, compilation);

if (this.compiler.hooks.shouldEmit.call(compilation) === false) {
						return this._done(null, compilation);
					}

process.nextTick(() => {
						const logger = compilation.getLogger("webpack.Compiler");
						logger.time("emitAssets");
						this.compiler.emitAssets(compilation, err => {
							logger.timeEnd("emitAssets");
							if (err) return this._done(err, compilation);
							if (this.invalid) return this._done(null, compilation);

logger.time("emitRecords");
							this.compiler.emitRecords(err => {
								logger.timeEnd("emitRecords");
								if (err) return this._done(err, compilation);

if (compilation.hooks.needAdditionalPass.call()) {
									compilation.needAdditionalPass = true;

compilation.startTime = this.startTime;
									compilation.endTime = Date.now();
									logger.time("done hook");
									const stats = new Stats(compilation);
									this.compiler.hooks.done.callAsync(stats, err => {
										logger.timeEnd("done hook");
										if (err) return this._done(err, compilation);

this.compiler.hooks.additionalPass.callAsync(err => {
											if (err) return this._done(err, compilation);
											this.compiler.compile(onCompiled);
										});
									});
									return;
								}
								return this._done(null, compilation);
							});
						});
					});
				};
				this.compiler.compile(onCompiled);
			});
		};

run();
	}

/**
	 * @param {Compilation} compilation the compilation
	 * @returns {Stats} the compilation stats
	 */
	_getStats(compilation) {
		const stats = new Stats(compilation);
		return stats;
	}

/**
	 * @param {Error=} err an optional error
	 * @param {Compilation=} compilation the compilation
	 * @returns {void}
	 */
	_done(err, compilation) {
		this.running = false;

const logger = compilation && compilation.getLogger("webpack.Watching");

let stats = null;

const handleError = (err, cbs) => {
			this.compiler.hooks.failed.call(err);
			this.compiler.cache.beginIdle();
			this.compiler.idle = true;
			this.handler(err, stats);
			if (!cbs) {
				cbs = this.callbacks;
				this.callbacks = [];
			}
			for (const cb of cbs) cb(err);
		};

if (
			this.invalid &&
			!this.suspended &&
			!this.blocked &&
			!(this._isBlocked() && (this.blocked = true))
		) {
			if (compilation) {
				logger.time("storeBuildDependencies");
				this.compiler.cache.storeBuildDependencies(
					compilation.buildDependencies,
					err => {
						logger.timeEnd("storeBuildDependencies");
						if (err) return handleError(err);
						this._go();
					}
				);
			} else {
				this._go();
			}
			return;
		}

if (compilation) {
			compilation.startTime = this.startTime;
			compilation.endTime = Date.now();
			stats = new Stats(compilation);
		}
		this.startTime = null;
		if (err) return handleError(err);

/**
	 * @param {Iterable<string>} files watched files
	 * @param {Iterable<string>} dirs watched directories
	 * @param {Iterable<string>} missing watched existence entries
	 * @returns {void}
	 */
	watch(files, dirs, missing) {
		this.pausedWatcher = null;
		this.watcher = this.compiler.watchFileSystem.watch(
			files,
			dirs,
			missing,
			this.lastWatcherStartTime,
			this.watchOptions,
			(
				err,
				fileTimeInfoEntries,
				contextTimeInfoEntries,
				changedFiles,
				removedFiles
			) => {
				if (err) {
					this.compiler.modifiedFiles = undefined;
					this.compiler.removedFiles = undefined;
					this.compiler.fileTimestamps = undefined;
					this.compiler.contextTimestamps = undefined;
					this.compiler.fsStartTime = undefined;
					return this.handler(err);
				}
				this._invalidate(
					fileTimeInfoEntries,
					contextTimeInfoEntries,
					changedFiles,
					removedFiles
				);
				this._onChange();
			},
			(fileName, changeTime) => {
				if (!this._invalidReported) {
					this._invalidReported = true;
					this.compiler.hooks.invalid.call(fileName, changeTime);
				}
				this._onInvalid();
			}
		);
	}

/**
	 * @param {Callback<void>=} callback signals when the build has completed again
	 * @returns {void}
	 */
	invalidate(callback) {
		if (callback) {
			this.callbacks.push(callback);
		}
		if (!this._invalidReported) {
			this._invalidReported = true;
			this.compiler.hooks.invalid.call(null, Date.now());
		}
		this._onChange();
		this._invalidate();
	}

_invalidate(
		fileTimeInfoEntries,
		contextTimeInfoEntries,
		changedFiles,
		removedFiles
	) {
		if (this.suspended || (this._isBlocked() && (this.blocked = true))) {
			this._mergeWithCollected(changedFiles, removedFiles);
			return;
		}

if (this.running) {
			this._mergeWithCollected(changedFiles, removedFiles);
			this.invalid = true;
		} else {
			this._go(
				fileTimeInfoEntries,
				contextTimeInfoEntries,
				changedFiles,
				removedFiles
			);
		}
	}

suspend() {
		this.suspended = true;
	}

resume() {
		if (this.suspended) {
			this.suspended = false;
			this._invalidate();
		}
	}

/**
	 * @param {Callback<void>} callback signals when the watcher is closed
	 * @returns {void}
	 */
	close(callback) {
		if (this._closeCallbacks) {
			if (callback) {
				this._closeCallbacks.push(callback);
			}
			return;
		}
		const finalCallback = (err, compilation) => {
			this.running = false;
			this.compiler.running = false;
			this.compiler.watching = undefined;
			this.compiler.watchMode = false;
			this.compiler.modifiedFiles = undefined;
			this.compiler.removedFiles = undefined;
			this.compiler.fileTimestamps = undefined;
			this.compiler.contextTimestamps = undefined;
			this.compiler.fsStartTime = undefined;
			const shutdown = err => {
				this.compiler.hooks.watchClose.call();
				const closeCallbacks = this._closeCallbacks;
				this._closeCallbacks = undefined;
				for (const cb of closeCallbacks) cb(err);
			};
			if (compilation) {
				const logger = compilation.getLogger("webpack.Watching");
				logger.time("storeBuildDependencies");
				this.compiler.cache.storeBuildDependencies(
					compilation.buildDependencies,
					err2 => {
						logger.timeEnd("storeBuildDependencies");
						shutdown(err || err2);
					}
				);
			} else {
				shutdown(err);
			}
		};

this.closed = true;
		if (this.watcher) {
			this.watcher.close();
			this.watcher = null;
		}
		if (this.pausedWatcher) {
			this.pausedWatcher.close();
			this.pausedWatcher = null;
		}
		this._closeCallbacks = [];
		if (callback) {
			this._closeCallbacks.push(callback);
		}
		if (this.running) {
			this.invalid = true;
			this._done = finalCallback;
		} else {
			finalCallback();
		}
	}
}

module.exports = Watching;