285 lines
9.3 KiB
JavaScript
Executable file
285 lines
9.3 KiB
JavaScript
Executable file
/*
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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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* @typedef {Object} IStats
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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 {number | bigint} dev
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* @property {number | bigint} ino
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* @property {number | bigint} mode
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* @property {number | bigint} nlink
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* @property {number | bigint} uid
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* @property {number | bigint} gid
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* @property {number | bigint} rdev
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* @property {number | bigint} size
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* @property {number | bigint} blksize
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* @property {number | bigint} blocks
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* @property {number | bigint} atimeMs
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* @property {number | bigint} mtimeMs
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* @property {number | bigint} ctimeMs
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* @property {number | bigint} 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 {Object} IDirent
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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 | Buffer} name
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*/
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/** @typedef {function((NodeJS.ErrnoException | null)=): void} Callback */
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/** @typedef {function((NodeJS.ErrnoException | null)=, Buffer=): void} BufferCallback */
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/** @typedef {function((NodeJS.ErrnoException | null)=, Buffer|string=): void} BufferOrStringCallback */
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/** @typedef {function((NodeJS.ErrnoException | null)=, (string | Buffer)[] | IDirent[]=): void} DirentArrayCallback */
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/** @typedef {function((NodeJS.ErrnoException | null)=, string=): void} StringCallback */
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/** @typedef {function((NodeJS.ErrnoException | null)=, number=): void} NumberCallback */
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/** @typedef {function((NodeJS.ErrnoException | null)=, IStats=): void} StatsCallback */
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/** @typedef {function((NodeJS.ErrnoException | Error | null)=, any=): void} ReadJsonCallback */
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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(): Set<string>=} getAggregatedChanges get current aggregated changes that have not yet send to callback
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* @property {function(): Set<string>=} getAggregatedRemovals get current aggregated removals that have not yet send to callback
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* @property {function(): Map<string, FileSystemInfoEntry | "ignore">} getFileTimeInfoEntries get info about files
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* @property {function(): Map<string, FileSystemInfoEntry | "ignore">} getContextTimeInfoEntries get info about directories
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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 exitance 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=, Map<string, FileSystemInfoEntry | "ignore">, Map<string, FileSystemInfoEntry | "ignore">, Set<string>, Set<string>): 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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/**
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* @typedef {Object} OutputFileSystem
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* @property {function(string, Buffer|string, Callback): void} writeFile
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* @property {function(string, Callback): void} mkdir
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* @property {function(string, DirentArrayCallback): void=} readdir
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* @property {function(string, Callback): void=} rmdir
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* @property {function(string, Callback): void=} unlink
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* @property {function(string, StatsCallback): void} stat
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* @property {function(string, BufferOrStringCallback): void} 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} InputFileSystem
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* @property {function(string, BufferOrStringCallback): void} readFile
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* @property {(function(string, ReadJsonCallback): void)=} readJson
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* @property {function(string, BufferOrStringCallback): void} readlink
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* @property {function(string, DirentArrayCallback): void} readdir
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* @property {function(string, StatsCallback): void} stat
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* @property {(function(string, BufferOrStringCallback): void)=} realpath
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* @property {(function(string=): void)=} 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 {Object} WatchFileSystem
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* @property {WatchMethod} watch
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*/
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/**
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* @typedef {Object} IntermediateFileSystemExtras
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* @property {function(string): void} mkdirSync
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* @property {function(string): NodeJS.WritableStream} createWriteStream
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* @property {function(string, string, NumberCallback): void} open
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* @property {function(number, Buffer, number, number, number, NumberCallback): void} read
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* @property {function(number, Callback): void} close
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* @property {function(string, string, Callback): void} rename
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*/
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/** @typedef {InputFileSystem & OutputFileSystem & IntermediateFileSystemExtras} IntermediateFileSystem */
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/**
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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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} else {
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throw new Error(
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`${rootPath} is neither a posix nor a windows path, and there is no 'relative' method defined in the file system`
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);
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}
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};
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exports.relative = relative;
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/**
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* @param {InputFileSystem|OutputFileSystem|undefined} fs a file system
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* @param {string} rootPath a path
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* @param {string} filename a filename
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* @returns {string} the joined path
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*/
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const join = (fs, rootPath, filename) => {
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if (fs && fs.join) {
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return fs.join(rootPath, filename);
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} else if (path.posix.isAbsolute(rootPath)) {
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return path.posix.join(rootPath, filename);
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} else if (path.win32.isAbsolute(rootPath)) {
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return path.win32.join(rootPath, filename);
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} else {
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throw new Error(
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`${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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};
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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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} else {
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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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};
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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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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 (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 (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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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) return fs.readJson(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(buf.toString("utf-8"));
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} catch (e) {
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return callback(e);
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}
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return callback(null, data);
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});
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};
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exports.readJson = readJson;
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