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652 lines
23 KiB
652 lines
23 KiB
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const path = require("path");
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/** @typedef {import("../../declarations/WebpackOptions").WatchOptions} WatchOptions */
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/** @typedef {import("../FileSystemInfo").FileSystemInfoEntry} FileSystemInfoEntry */
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/**
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* @template T
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* @typedef {object} IStatsBase
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* @property {() => boolean} isFile
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* @property {() => boolean} isDirectory
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* @property {() => boolean} isBlockDevice
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* @property {() => boolean} isCharacterDevice
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* @property {() => boolean} isSymbolicLink
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* @property {() => boolean} isFIFO
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* @property {() => boolean} isSocket
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* @property {T} dev
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* @property {T} ino
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* @property {T} mode
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* @property {T} nlink
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* @property {T} uid
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* @property {T} gid
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* @property {T} rdev
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* @property {T} size
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* @property {T} blksize
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* @property {T} blocks
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* @property {T} atimeMs
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* @property {T} mtimeMs
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* @property {T} ctimeMs
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* @property {T} birthtimeMs
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* @property {Date} atime
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* @property {Date} mtime
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* @property {Date} ctime
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* @property {Date} birthtime
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*/
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/**
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* @typedef {IStatsBase<number>} IStats
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*/
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/**
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* @typedef {IStatsBase<bigint> & { atimeNs: bigint, mtimeNs: bigint, ctimeNs: bigint, birthtimeNs: bigint }} IBigIntStats
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*/
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/**
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* @typedef {object} Dirent
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* @property {() => boolean} isFile
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* @property {() => boolean} isDirectory
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* @property {() => boolean} isBlockDevice
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* @property {() => boolean} isCharacterDevice
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* @property {() => boolean} isSymbolicLink
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* @property {() => boolean} isFIFO
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* @property {() => boolean} isSocket
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* @property {string} name
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* @property {string} path
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*/
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/** @typedef {string | number | boolean | null} JsonPrimitive */
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/** @typedef {JsonValue[]} JsonArray */
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/** @typedef {JsonPrimitive | JsonObject | JsonArray} JsonValue */
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/** @typedef {{[Key in string]: JsonValue} & {[Key in string]?: JsonValue | undefined}} JsonObject */
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/** @typedef {function(NodeJS.ErrnoException | null): void} NoParamCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, string=): void} StringCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, Buffer=): void} BufferCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, (string | Buffer)=): void} StringOrBufferCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, (string[])=): void} ReaddirStringCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, (Buffer[])=): void} ReaddirBufferCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, (string[] | Buffer[])=): void} ReaddirStringOrBufferCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, (Dirent[])=): void} ReaddirDirentCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, IStats=): void} StatsCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, IBigIntStats=): void} BigIntStatsCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, (IStats | IBigIntStats)=): void} StatsOrBigIntStatsCallback */
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/** @typedef {function(NodeJS.ErrnoException | null, number=): void} NumberCallback */
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/** @typedef {function(NodeJS.ErrnoException | Error | null, JsonObject=): void} ReadJsonCallback */
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/** @typedef {Map<string, FileSystemInfoEntry | "ignore">} TimeInfoEntries */
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/**
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* @typedef {object} WatcherInfo
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* @property {Set<string>} changes get current aggregated changes that have not yet send to callback
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* @property {Set<string>} removals get current aggregated removals that have not yet send to callback
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* @property {TimeInfoEntries} fileTimeInfoEntries get info about files
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* @property {TimeInfoEntries} contextTimeInfoEntries get info about directories
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*/
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/** @typedef {Set<string>} Changes */
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/** @typedef {Set<string>} Removals */
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// TODO webpack 6 deprecate missing getInfo
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/**
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* @typedef {object} Watcher
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* @property {function(): void} close closes the watcher and all underlying file watchers
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* @property {function(): void} pause closes the watcher, but keeps underlying file watchers alive until the next watch call
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* @property {function(): Changes=} getAggregatedChanges get current aggregated changes that have not yet send to callback
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* @property {function(): Removals=} getAggregatedRemovals get current aggregated removals that have not yet send to callback
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* @property {function(): TimeInfoEntries} getFileTimeInfoEntries get info about files
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* @property {function(): TimeInfoEntries} getContextTimeInfoEntries get info about directories
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* @property {function(): WatcherInfo=} getInfo get info about timestamps and changes
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*/
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/**
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* @callback WatchMethod
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* @param {Iterable<string>} files watched files
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* @param {Iterable<string>} directories watched directories
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* @param {Iterable<string>} missing watched existence entries
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* @param {number} startTime timestamp of start time
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* @param {WatchOptions} options options object
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* @param {function(Error | null, TimeInfoEntries=, TimeInfoEntries=, Changes=, Removals=): void} callback aggregated callback
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* @param {function(string, number): void} callbackUndelayed callback when the first change was detected
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* @returns {Watcher} a watcher
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*/
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// TODO webpack 6 make optional methods required and avoid using non standard methods like `join`, `relative`, `dirname`, move IntermediateFileSystemExtras methods to InputFilesystem or OutputFilesystem
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/**
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* @typedef {string | Buffer | URL} PathLike
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*/
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/**
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* @typedef {PathLike | number} PathOrFileDescriptor
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*/
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/**
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* @typedef {object} ObjectEncodingOptions
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* @property {BufferEncoding | null | undefined} [encoding]
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*/
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/**
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* @typedef {{
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* (path: PathOrFileDescriptor, options: ({ encoding?: null | undefined, flag?: string | undefined } & import("events").Abortable) | undefined | null, callback: BufferCallback): void;
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* (path: PathOrFileDescriptor, options: ({ encoding: BufferEncoding, flag?: string | undefined } & import("events").Abortable) | BufferEncoding, callback: StringCallback): void;
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* (path: PathOrFileDescriptor, options: (ObjectEncodingOptions & { flag?: string | undefined } & import("events").Abortable) | BufferEncoding | undefined | null, callback: StringOrBufferCallback): void;
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* (path: PathOrFileDescriptor, callback: BufferCallback): void;
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* }} ReadFile
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*/
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/**
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* @typedef {{
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* (path: PathOrFileDescriptor, options?: { encoding?: null | undefined, flag?: string | undefined } | null): Buffer;
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* (path: PathOrFileDescriptor, options: { encoding: BufferEncoding, flag?: string | undefined } | BufferEncoding): string;
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* (path: PathOrFileDescriptor, options?: (ObjectEncodingOptions & { flag?: string | undefined }) | BufferEncoding | null): string | Buffer;
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* }} ReadFileSync
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*/
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/**
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* @typedef {ObjectEncodingOptions | BufferEncoding | undefined | null} EncodingOption
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*/
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/**
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* @typedef {'buffer'| { encoding: 'buffer' }} BufferEncodingOption
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*/
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/**
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* @typedef {object} StatOptions
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* @property {(boolean | undefined)=} bigint
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*/
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/**
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* @typedef {object} StatSyncOptions
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* @property {(boolean | undefined)=} bigint
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* @property {(boolean | undefined)=} throwIfNoEntry
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*/
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/**
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* @typedef {{
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* (path: PathLike, options: EncodingOption, callback: StringCallback): void;
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* (path: PathLike, options: BufferEncodingOption, callback: BufferCallback): void;
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* (path: PathLike, options: EncodingOption, callback: StringOrBufferCallback): void;
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* (path: PathLike, callback: StringCallback): void;
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* }} Readlink
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*/
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/**
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* @typedef {{
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* (path: PathLike, options?: EncodingOption): string;
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* (path: PathLike, options: BufferEncodingOption): Buffer;
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* (path: PathLike, options?: EncodingOption): string | Buffer;
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* }} ReadlinkSync
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*/
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/**
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* @typedef {{
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* (path: PathLike, options: { encoding: BufferEncoding | null, withFileTypes?: false | undefined, recursive?: boolean | undefined } | BufferEncoding | undefined | null, callback: ReaddirStringCallback): void;
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* (path: PathLike, options: { encoding: 'buffer', withFileTypes?: false | undefined, recursive?: boolean | undefined } | 'buffer', callback: ReaddirBufferCallback): void;
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* (path: PathLike, callback: ReaddirStringCallback): void;
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* (path: PathLike, options: (ObjectEncodingOptions & { withFileTypes?: false | undefined, recursive?: boolean | undefined }) | BufferEncoding | undefined | null, callback: ReaddirStringOrBufferCallback): void;
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* (path: PathLike, options: ObjectEncodingOptions & { withFileTypes: true, recursive?: boolean | undefined }, callback: ReaddirDirentCallback): void;
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* }} Readdir
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*/
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/**
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* @typedef {{
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* (path: PathLike, options?: { encoding: BufferEncoding | null, withFileTypes?: false | undefined, recursive?: boolean | undefined } | BufferEncoding | null): string[];
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* (path: PathLike, options: { encoding: 'buffer', withFileTypes?: false | undefined, recursive?: boolean | undefined } | 'buffer'): Buffer[];
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* (path: PathLike, options?: (ObjectEncodingOptions & { withFileTypes?: false | undefined, recursive?: boolean | undefined }) | BufferEncoding | null): string[] | Buffer[];
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* (path: PathLike, options: ObjectEncodingOptions & { withFileTypes: true, recursive?: boolean | undefined }): Dirent[];
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* }} ReaddirSync
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*/
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/**
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* @typedef {{
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* (path: PathLike, callback: StatsCallback): void;
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* (path: PathLike, options: (StatOptions & { bigint?: false | undefined }) | undefined, callback: StatsCallback): void;
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* (path: PathLike, options: StatOptions & { bigint: true }, callback: BigIntStatsCallback): void;
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* (path: PathLike, options: StatOptions | undefined, callback: StatsOrBigIntStatsCallback): void;
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* }} Stat
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*/
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/**
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* @typedef {{
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* (path: PathLike, options?: undefined): IStats;
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* (path: PathLike, options?: StatSyncOptions & { bigint?: false | undefined, throwIfNoEntry: false }): IStats | undefined;
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* (path: PathLike, options: StatSyncOptions & { bigint: true, throwIfNoEntry: false }): IBigIntStats | undefined;
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* (path: PathLike, options?: StatSyncOptions & { bigint?: false | undefined }): IStats;
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* (path: PathLike, options: StatSyncOptions & { bigint: true }): IBigIntStats;
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* (path: PathLike, options: StatSyncOptions & { bigint: boolean, throwIfNoEntry?: false | undefined }): IStats | IBigIntStats;
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* (path: PathLike, options?: StatSyncOptions): IStats | IBigIntStats | undefined;
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* }} StatSync
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*/
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/**
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* @typedef {{
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* (path: PathLike, callback: StatsCallback): void;
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* (path: PathLike, options: (StatOptions & { bigint?: false | undefined }) | undefined, callback: StatsCallback): void;
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* (path: PathLike, options: StatOptions & { bigint: true }, callback: BigIntStatsCallback): void;
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* (path: PathLike, options: StatOptions | undefined, callback: StatsOrBigIntStatsCallback): void;
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* }} LStat
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*/
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/**
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* @typedef {{
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* (path: PathLike, options?: undefined): IStats;
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* (path: PathLike, options?: StatSyncOptions & { bigint?: false | undefined, throwIfNoEntry: false }): IStats | undefined;
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* (path: PathLike, options: StatSyncOptions & { bigint: true, throwIfNoEntry: false }): IBigIntStats | undefined;
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* (path: PathLike, options?: StatSyncOptions & { bigint?: false | undefined }): IStats;
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* (path: PathLike, options: StatSyncOptions & { bigint: true }): IBigIntStats;
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* (path: PathLike, options: StatSyncOptions & { bigint: boolean, throwIfNoEntry?: false | undefined }): IStats | IBigIntStats;
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* (path: PathLike, options?: StatSyncOptions): IStats | IBigIntStats | undefined;
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* }} LStatSync
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*/
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/**
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* @typedef {{
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* (path: PathLike, options: EncodingOption, callback: StringCallback): void;
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* (path: PathLike, options: BufferEncodingOption, callback: BufferCallback): void;
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* (path: PathLike, options: EncodingOption, callback: StringOrBufferCallback): void;
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* (path: PathLike, callback: StringCallback): void;
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* }} RealPath
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*/
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/**
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* @typedef {{
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* (path: PathLike, options?: EncodingOption): string;
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* (path: PathLike, options: BufferEncodingOption): Buffer;
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* (path: PathLike, options?: EncodingOption): string | Buffer;
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* }} RealPathSync
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*/
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/**
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* @typedef {function(PathOrFileDescriptor, ReadJsonCallback): void} ReadJson
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*/
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/**
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* @typedef {function(PathOrFileDescriptor): JsonObject} ReadJsonSync
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*/
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/**
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* @typedef {function((string | string[] | Set<string>)=): void} Purge
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*/
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/**
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* @typedef {object} InputFileSystem
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* @property {ReadFile} readFile
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* @property {ReadFileSync=} readFileSync
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* @property {Readlink} readlink
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* @property {ReadlinkSync=} readlinkSync
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* @property {Readdir} readdir
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* @property {ReaddirSync=} readdirSync
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* @property {Stat} stat
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* @property {StatSync=} statSync
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* @property {LStat=} lstat
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* @property {LStatSync=} lstatSync
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* @property {RealPath=} realpath
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* @property {RealPathSync=} realpathSync
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* @property {ReadJson=} readJson
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* @property {ReadJsonSync=} readJsonSync
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* @property {Purge=} purge
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* @property {(function(string, string): string)=} join
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* @property {(function(string, string): string)=} relative
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* @property {(function(string): string)=} dirname
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*/
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/**
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* @typedef {number | string} Mode
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*/
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/**
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* @typedef {(ObjectEncodingOptions & import("events").Abortable & { mode?: Mode | undefined, flag?: string | undefined, flush?: boolean | undefined }) | BufferEncoding | null} WriteFileOptions
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*/
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/**
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* @typedef {{
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* (file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options: WriteFileOptions, callback: NoParamCallback): void;
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* (file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, callback: NoParamCallback): void;
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* }} WriteFile
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*/
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/**
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* @typedef {{ recursive?: boolean | undefined, mode?: Mode | undefined }} MakeDirectoryOptions
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*/
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/**
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* @typedef {{
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* (file: PathLike, options: MakeDirectoryOptions & { recursive: true }, callback: StringCallback): void;
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* (file: PathLike, options: Mode | (MakeDirectoryOptions & { recursive?: false | undefined; }) | null | undefined, callback: NoParamCallback): void;
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* (file: PathLike, options: Mode | MakeDirectoryOptions | null | undefined, callback: StringCallback): void;
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* (file: PathLike, callback: NoParamCallback): void;
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* }} Mkdir
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*/
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/**
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* @typedef {{ maxRetries?: number | undefined, recursive?: boolean | undefined, retryDelay?: number | undefined }} RmDirOptions
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*/
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/**
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* @typedef {{
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* (file: PathLike, callback: NoParamCallback): void;
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* (file: PathLike, options: RmDirOptions, callback: NoParamCallback): void;
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* }} Rmdir
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*/
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/**
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* @typedef {function(PathLike, NoParamCallback): void} Unlink
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*/
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/**
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* @typedef {object} OutputFileSystem
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* @property {WriteFile} writeFile
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* @property {Mkdir} mkdir
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* @property {Readdir=} readdir
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* @property {Rmdir=} rmdir
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* @property {Unlink=} unlink
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* @property {Stat} stat
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* @property {LStat=} lstat
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* @property {ReadFile} readFile
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* @property {(function(string, string): string)=} join
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* @property {(function(string, string): string)=} relative
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* @property {(function(string): string)=} dirname
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*/
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/**
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* @typedef {object} WatchFileSystem
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* @property {WatchMethod} watch
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*/
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/**
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* @typedef {{
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* (path: PathLike, options: MakeDirectoryOptions & { recursive: true }): string | undefined;
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* (path: PathLike, options?: Mode | (MakeDirectoryOptions & { recursive?: false | undefined }) | null): void;
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* (path: PathLike, options?: Mode | MakeDirectoryOptions | null): string | undefined;
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* }} MkdirSync
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*/
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/**
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* @typedef {object} StreamOptions
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* @property {(string | undefined)=} flags
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* @property {(BufferEncoding | undefined)} encoding
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* @property {(number | any | undefined)=} fd
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* @property {(number | undefined)=} mode
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* @property {(boolean | undefined)=} autoClose
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* @property {(boolean | undefined)=} emitClose
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* @property {(number | undefined)=} start
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* @property {(AbortSignal | null | undefined)=} signal
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*/
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/**
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* @typedef {object} FSImplementation
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* @property {((...args: any[]) => any)=} open
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* @property {((...args: any[]) => any)=} close
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*/
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/**
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* @typedef {FSImplementation & { write: (...args: any[]) => any; close?: (...args: any[]) => any }} CreateWriteStreamFSImplementation
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*/
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/**
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* @typedef {StreamOptions & { fs?: CreateWriteStreamFSImplementation | null | undefined }} WriteStreamOptions
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*/
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/**
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* @typedef {function(PathLike, (BufferEncoding | WriteStreamOptions)=): NodeJS.WritableStream} CreateWriteStream
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*/
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/**
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* @typedef {number | string} OpenMode
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*/
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/**
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* @typedef {{
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* (file: PathLike, flags: OpenMode | undefined, mode: Mode | undefined | null, callback: NumberCallback): void;
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* (file: PathLike, flags: OpenMode | undefined, callback: NumberCallback): void;
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* (file: PathLike, callback: NumberCallback): void;
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* }} Open
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*/
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/**
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* @typedef {number | bigint} ReadPosition
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*/
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/**
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* @typedef {object} ReadSyncOptions
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* @property {(number | undefined)=} offset
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* @property {(number | undefined)=} length
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* @property {(ReadPosition | null | undefined)=} position
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*/
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/**
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* @template {NodeJS.ArrayBufferView} TBuffer
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* @typedef {object} ReadAsyncOptions
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* @property {(number | undefined)=} offset
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* @property {(number | undefined)=} length
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* @property {(ReadPosition | null | undefined)=} position
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* @property {TBuffer=} buffer
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*/
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/**
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* @template {NodeJS.ArrayBufferView} [TBuffer=Buffer]
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* @typedef {{
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* (fd: number, buffer: TBuffer, offset: number, length: number, position: ReadPosition | null, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void): void;
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* (fd: number, options: ReadAsyncOptions<TBuffer>, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void): void;
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* (fd: number, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: NodeJS.ArrayBufferView) => void): void;
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* }} Read
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*/
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/** @typedef {function(number, NoParamCallback): void} Close */
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/** @typedef {function(PathLike, PathLike, NoParamCallback): void} Rename */
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/**
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* @typedef {object} IntermediateFileSystemExtras
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* @property {MkdirSync} mkdirSync
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* @property {CreateWriteStream} createWriteStream
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* @property {Open} open
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* @property {Read} read
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* @property {Close} close
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* @property {Rename} rename
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*/
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/** @typedef {InputFileSystem & OutputFileSystem & IntermediateFileSystemExtras} IntermediateFileSystem */
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/**
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* @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
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* @param {string} rootPath the root path
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* @param {string} targetPath the target path
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* @returns {string} location of targetPath relative to rootPath
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*/
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const relative = (fs, rootPath, targetPath) => {
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if (fs && fs.relative) {
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return fs.relative(rootPath, targetPath);
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} else if (path.posix.isAbsolute(rootPath)) {
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return path.posix.relative(rootPath, targetPath);
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} else if (path.win32.isAbsolute(rootPath)) {
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return path.win32.relative(rootPath, targetPath);
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}
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throw new Error(
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`${rootPath} is neither a posix nor a windows path, and there is no 'relative' method defined in the file system`
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);
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};
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module.exports.relative = relative;
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/**
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* @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
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* @param {string} rootPath a path
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* @param {string} filename a filename
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* @returns {string} the joined path
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*/
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const join = (fs, rootPath, filename) => {
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if (fs && fs.join) {
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return fs.join(rootPath, filename);
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} else if (path.posix.isAbsolute(rootPath)) {
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return path.posix.join(rootPath, filename);
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} else if (path.win32.isAbsolute(rootPath)) {
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return path.win32.join(rootPath, filename);
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}
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throw new Error(
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`${rootPath} is neither a posix nor a windows path, and there is no 'join' method defined in the file system`
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);
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};
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module.exports.join = join;
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/**
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* @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
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* @param {string} absPath an absolute path
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* @returns {string} the parent directory of the absolute path
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*/
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const dirname = (fs, absPath) => {
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if (fs && fs.dirname) {
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return fs.dirname(absPath);
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} else if (path.posix.isAbsolute(absPath)) {
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return path.posix.dirname(absPath);
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} else if (path.win32.isAbsolute(absPath)) {
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return path.win32.dirname(absPath);
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}
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throw new Error(
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`${absPath} is neither a posix nor a windows path, and there is no 'dirname' method defined in the file system`
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);
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};
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module.exports.dirname = dirname;
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/**
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* @param {OutputFileSystem} fs a file system
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* @param {string} p an absolute path
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* @param {function(Error=): void} callback callback function for the error
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* @returns {void}
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*/
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const mkdirp = (fs, p, callback) => {
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fs.mkdir(p, err => {
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if (err) {
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if (err.code === "ENOENT") {
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const dir = dirname(fs, p);
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if (dir === p) {
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callback(err);
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return;
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}
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mkdirp(fs, dir, err => {
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if (err) {
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callback(err);
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return;
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}
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fs.mkdir(p, err => {
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if (err) {
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if (err.code === "EEXIST") {
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callback();
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return;
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}
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callback(err);
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return;
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}
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callback();
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});
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});
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return;
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} else if (err.code === "EEXIST") {
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callback();
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return;
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}
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callback(err);
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return;
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}
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callback();
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});
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};
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module.exports.mkdirp = mkdirp;
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/**
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* @param {IntermediateFileSystem} fs a file system
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* @param {string} p an absolute path
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* @returns {void}
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*/
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const mkdirpSync = (fs, p) => {
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try {
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fs.mkdirSync(p);
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} catch (err) {
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if (err) {
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if (/** @type {NodeJS.ErrnoException} */ (err).code === "ENOENT") {
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const dir = dirname(fs, p);
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if (dir === p) {
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throw err;
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}
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mkdirpSync(fs, dir);
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fs.mkdirSync(p);
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return;
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} else if (/** @type {NodeJS.ErrnoException} */ (err).code === "EEXIST") {
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return;
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}
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throw err;
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}
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}
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};
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module.exports.mkdirpSync = mkdirpSync;
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/**
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* @param {InputFileSystem} fs a file system
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* @param {string} p an absolute path
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* @param {ReadJsonCallback} callback callback
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* @returns {void}
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*/
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const readJson = (fs, p, callback) => {
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if ("readJson" in fs)
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return /** @type {NonNullable<InputFileSystem["readJson"]>} */ (
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fs.readJson
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)(p, callback);
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fs.readFile(p, (err, buf) => {
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if (err) return callback(err);
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let data;
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try {
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data = JSON.parse(/** @type {Buffer} */ (buf).toString("utf-8"));
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} catch (err1) {
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return callback(/** @type {Error} */ (err1));
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}
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return callback(null, data);
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});
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};
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module.exports.readJson = readJson;
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/**
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* @param {InputFileSystem} fs a file system
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* @param {string} p an absolute path
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* @param {function(NodeJS.ErrnoException | Error | null, (IStats | string)=): void} callback callback
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* @returns {void}
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*/
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const lstatReadlinkAbsolute = (fs, p, callback) => {
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let i = 3;
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const doReadLink = () => {
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fs.readlink(p, (err, target) => {
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if (err && --i > 0) {
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// It might was just changed from symlink to file
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// we retry 2 times to catch this case before throwing the error
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return doStat();
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}
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if (err) return callback(err);
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const value = target.toString();
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callback(null, join(fs, dirname(fs, p), value));
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});
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};
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const doStat = () => {
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if ("lstat" in fs) {
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return /** @type {NonNullable<InputFileSystem["lstat"]>} */ (fs.lstat)(
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p,
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(err, stats) => {
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if (err) return callback(err);
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if (/** @type {IStats} */ (stats).isSymbolicLink()) {
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return doReadLink();
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}
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callback(null, stats);
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}
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);
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}
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return fs.stat(p, callback);
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};
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if ("lstat" in fs) return doStat();
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doReadLink();
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};
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module.exports.lstatReadlinkAbsolute = lstatReadlinkAbsolute;
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