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hexo/node_modules/rollup/dist/es/shared/watch.js

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2023-09-25 15:58:56 +08:00
/*
@license
Rollup.js v2.79.1
Thu, 22 Sep 2022 04:55:29 GMT - commit 69ff4181e701a0fe0026d0ba147f31bc86beffa8
https://github.com/rollup/rollup
Released under the MIT License.
*/
import require$$0$2, { resolve } from 'path';
import process$1 from 'process';
import { ensureArray, warnUnknownOptions, defaultOnWarn, objectifyOptionWithPresets, treeshakePresets, objectifyOption, generatedCodePresets, picomatch as picomatch$2, getAugmentedNamespace, fseventsImporter, createFilter, rollupInternal } from './rollup.js';
import require$$2$1, { platform } from 'os';
import require$$0$1 from 'fs';
import require$$2 from 'util';
import require$$1 from 'stream';
import require$$0$3 from 'events';
import 'perf_hooks';
import 'crypto';
const commandAliases = {
c: 'config',
d: 'dir',
e: 'external',
f: 'format',
g: 'globals',
h: 'help',
i: 'input',
m: 'sourcemap',
n: 'name',
o: 'file',
p: 'plugin',
v: 'version',
w: 'watch'
};
function mergeOptions(config, rawCommandOptions = { external: [], globals: undefined }, defaultOnWarnHandler = defaultOnWarn) {
const command = getCommandOptions(rawCommandOptions);
const inputOptions = mergeInputOptions(config, command, defaultOnWarnHandler);
const warn = inputOptions.onwarn;
if (command.output) {
Object.assign(command, command.output);
}
const outputOptionsArray = ensureArray(config.output);
if (outputOptionsArray.length === 0)
outputOptionsArray.push({});
const outputOptions = outputOptionsArray.map(singleOutputOptions => mergeOutputOptions(singleOutputOptions, command, warn));
warnUnknownOptions(command, Object.keys(inputOptions).concat(Object.keys(outputOptions[0]).filter(option => option !== 'sourcemapPathTransform'), Object.keys(commandAliases), 'config', 'environment', 'plugin', 'silent', 'failAfterWarnings', 'stdin', 'waitForBundleInput', 'configPlugin'), 'CLI flags', warn, /^_$|output$|config/);
inputOptions.output = outputOptions;
return inputOptions;
}
function getCommandOptions(rawCommandOptions) {
const external = rawCommandOptions.external && typeof rawCommandOptions.external === 'string'
? rawCommandOptions.external.split(',')
: [];
return {
...rawCommandOptions,
external,
globals: typeof rawCommandOptions.globals === 'string'
? rawCommandOptions.globals.split(',').reduce((globals, globalDefinition) => {
const [id, variableName] = globalDefinition.split(':');
globals[id] = variableName;
if (!external.includes(id)) {
external.push(id);
}
return globals;
}, Object.create(null))
: undefined
};
}
function mergeInputOptions(config, overrides, defaultOnWarnHandler) {
const getOption = (name) => { var _a; return (_a = overrides[name]) !== null && _a !== void 0 ? _a : config[name]; };
const inputOptions = {
acorn: getOption('acorn'),
acornInjectPlugins: config.acornInjectPlugins,
cache: config.cache,
context: getOption('context'),
experimentalCacheExpiry: getOption('experimentalCacheExpiry'),
external: getExternal(config, overrides),
inlineDynamicImports: getOption('inlineDynamicImports'),
input: getOption('input') || [],
makeAbsoluteExternalsRelative: getOption('makeAbsoluteExternalsRelative'),
manualChunks: getOption('manualChunks'),
maxParallelFileOps: getOption('maxParallelFileOps'),
maxParallelFileReads: getOption('maxParallelFileReads'),
moduleContext: getOption('moduleContext'),
onwarn: getOnWarn(config, defaultOnWarnHandler),
perf: getOption('perf'),
plugins: ensureArray(config.plugins),
preserveEntrySignatures: getOption('preserveEntrySignatures'),
preserveModules: getOption('preserveModules'),
preserveSymlinks: getOption('preserveSymlinks'),
shimMissingExports: getOption('shimMissingExports'),
strictDeprecations: getOption('strictDeprecations'),
treeshake: getObjectOption(config, overrides, 'treeshake', objectifyOptionWithPresets(treeshakePresets, 'treeshake', 'false, true, ')),
watch: getWatch(config, overrides)
};
warnUnknownOptions(config, Object.keys(inputOptions), 'input options', inputOptions.onwarn, /^output$/);
return inputOptions;
}
const getExternal = (config, overrides) => {
const configExternal = config.external;
return typeof configExternal === 'function'
? (source, importer, isResolved) => configExternal(source, importer, isResolved) || overrides.external.includes(source)
: ensureArray(configExternal).concat(overrides.external);
};
const getOnWarn = (config, defaultOnWarnHandler) => config.onwarn
? warning => config.onwarn(warning, defaultOnWarnHandler)
: defaultOnWarnHandler;
const getObjectOption = (config, overrides, name, objectifyValue = objectifyOption) => {
const commandOption = normalizeObjectOptionValue(overrides[name], objectifyValue);
const configOption = normalizeObjectOptionValue(config[name], objectifyValue);
if (commandOption !== undefined) {
return commandOption && { ...configOption, ...commandOption };
}
return configOption;
};
const getWatch = (config, overrides) => config.watch !== false && getObjectOption(config, overrides, 'watch');
const normalizeObjectOptionValue = (optionValue, objectifyValue) => {
if (!optionValue) {
return optionValue;
}
if (Array.isArray(optionValue)) {
return optionValue.reduce((result, value) => value && result && { ...result, ...objectifyValue(value) }, {});
}
return objectifyValue(optionValue);
};
function mergeOutputOptions(config, overrides, warn) {
const getOption = (name) => { var _a; return (_a = overrides[name]) !== null && _a !== void 0 ? _a : config[name]; };
const outputOptions = {
amd: getObjectOption(config, overrides, 'amd'),
assetFileNames: getOption('assetFileNames'),
banner: getOption('banner'),
chunkFileNames: getOption('chunkFileNames'),
compact: getOption('compact'),
dir: getOption('dir'),
dynamicImportFunction: getOption('dynamicImportFunction'),
entryFileNames: getOption('entryFileNames'),
esModule: getOption('esModule'),
exports: getOption('exports'),
extend: getOption('extend'),
externalLiveBindings: getOption('externalLiveBindings'),
file: getOption('file'),
footer: getOption('footer'),
format: getOption('format'),
freeze: getOption('freeze'),
generatedCode: getObjectOption(config, overrides, 'generatedCode', objectifyOptionWithPresets(generatedCodePresets, 'output.generatedCode', '')),
globals: getOption('globals'),
hoistTransitiveImports: getOption('hoistTransitiveImports'),
indent: getOption('indent'),
inlineDynamicImports: getOption('inlineDynamicImports'),
interop: getOption('interop'),
intro: getOption('intro'),
manualChunks: getOption('manualChunks'),
minifyInternalExports: getOption('minifyInternalExports'),
name: getOption('name'),
namespaceToStringTag: getOption('namespaceToStringTag'),
noConflict: getOption('noConflict'),
outro: getOption('outro'),
paths: getOption('paths'),
plugins: ensureArray(config.plugins),
preferConst: getOption('preferConst'),
preserveModules: getOption('preserveModules'),
preserveModulesRoot: getOption('preserveModulesRoot'),
sanitizeFileName: getOption('sanitizeFileName'),
sourcemap: getOption('sourcemap'),
sourcemapBaseUrl: getOption('sourcemapBaseUrl'),
sourcemapExcludeSources: getOption('sourcemapExcludeSources'),
sourcemapFile: getOption('sourcemapFile'),
sourcemapPathTransform: getOption('sourcemapPathTransform'),
strict: getOption('strict'),
systemNullSetters: getOption('systemNullSetters'),
validate: getOption('validate')
};
warnUnknownOptions(config, Object.keys(outputOptions), 'output options', warn);
return outputOptions;
}
var chokidar = {};
const fs$3 = require$$0$1;
const { Readable } = require$$1;
const sysPath$3 = require$$0$2;
const { promisify: promisify$3 } = require$$2;
const picomatch$1 = picomatch$2.exports;
const readdir$1 = promisify$3(fs$3.readdir);
const stat$3 = promisify$3(fs$3.stat);
const lstat$2 = promisify$3(fs$3.lstat);
const realpath$1 = promisify$3(fs$3.realpath);
/**
* @typedef {Object} EntryInfo
* @property {String} path
* @property {String} fullPath
* @property {fs.Stats=} stats
* @property {fs.Dirent=} dirent
* @property {String} basename
*/
const BANG$2 = '!';
const RECURSIVE_ERROR_CODE = 'READDIRP_RECURSIVE_ERROR';
const NORMAL_FLOW_ERRORS = new Set(['ENOENT', 'EPERM', 'EACCES', 'ELOOP', RECURSIVE_ERROR_CODE]);
const FILE_TYPE = 'files';
const DIR_TYPE = 'directories';
const FILE_DIR_TYPE = 'files_directories';
const EVERYTHING_TYPE = 'all';
const ALL_TYPES = [FILE_TYPE, DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE];
const isNormalFlowError = error => NORMAL_FLOW_ERRORS.has(error.code);
const [maj, min] = process.versions.node.split('.').slice(0, 2).map(n => Number.parseInt(n, 10));
const wantBigintFsStats = process.platform === 'win32' && (maj > 10 || (maj === 10 && min >= 5));
const normalizeFilter = filter => {
if (filter === undefined) return;
if (typeof filter === 'function') return filter;
if (typeof filter === 'string') {
const glob = picomatch$1(filter.trim());
return entry => glob(entry.basename);
}
if (Array.isArray(filter)) {
const positive = [];
const negative = [];
for (const item of filter) {
const trimmed = item.trim();
if (trimmed.charAt(0) === BANG$2) {
negative.push(picomatch$1(trimmed.slice(1)));
} else {
positive.push(picomatch$1(trimmed));
}
}
if (negative.length > 0) {
if (positive.length > 0) {
return entry =>
positive.some(f => f(entry.basename)) && !negative.some(f => f(entry.basename));
}
return entry => !negative.some(f => f(entry.basename));
}
return entry => positive.some(f => f(entry.basename));
}
};
class ReaddirpStream extends Readable {
static get defaultOptions() {
return {
root: '.',
/* eslint-disable no-unused-vars */
fileFilter: (path) => true,
directoryFilter: (path) => true,
/* eslint-enable no-unused-vars */
type: FILE_TYPE,
lstat: false,
depth: 2147483648,
alwaysStat: false
};
}
constructor(options = {}) {
super({
objectMode: true,
autoDestroy: true,
highWaterMark: options.highWaterMark || 4096
});
const opts = { ...ReaddirpStream.defaultOptions, ...options };
const { root, type } = opts;
this._fileFilter = normalizeFilter(opts.fileFilter);
this._directoryFilter = normalizeFilter(opts.directoryFilter);
const statMethod = opts.lstat ? lstat$2 : stat$3;
// Use bigint stats if it's windows and stat() supports options (node 10+).
if (wantBigintFsStats) {
this._stat = path => statMethod(path, { bigint: true });
} else {
this._stat = statMethod;
}
this._maxDepth = opts.depth;
this._wantsDir = [DIR_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE].includes(type);
this._wantsFile = [FILE_TYPE, FILE_DIR_TYPE, EVERYTHING_TYPE].includes(type);
this._wantsEverything = type === EVERYTHING_TYPE;
this._root = sysPath$3.resolve(root);
this._isDirent = ('Dirent' in fs$3) && !opts.alwaysStat;
this._statsProp = this._isDirent ? 'dirent' : 'stats';
this._rdOptions = { encoding: 'utf8', withFileTypes: this._isDirent };
// Launch stream with one parent, the root dir.
this.parents = [this._exploreDir(root, 1)];
this.reading = false;
this.parent = undefined;
}
async _read(batch) {
if (this.reading) return;
this.reading = true;
try {
while (!this.destroyed && batch > 0) {
const { path, depth, files = [] } = this.parent || {};
if (files.length > 0) {
const slice = files.splice(0, batch).map(dirent => this._formatEntry(dirent, path));
for (const entry of await Promise.all(slice)) {
if (this.destroyed) return;
const entryType = await this._getEntryType(entry);
if (entryType === 'directory' && this._directoryFilter(entry)) {
if (depth <= this._maxDepth) {
this.parents.push(this._exploreDir(entry.fullPath, depth + 1));
}
if (this._wantsDir) {
this.push(entry);
batch--;
}
} else if ((entryType === 'file' || this._includeAsFile(entry)) && this._fileFilter(entry)) {
if (this._wantsFile) {
this.push(entry);
batch--;
}
}
}
} else {
const parent = this.parents.pop();
if (!parent) {
this.push(null);
break;
}
this.parent = await parent;
if (this.destroyed) return;
}
}
} catch (error) {
this.destroy(error);
} finally {
this.reading = false;
}
}
async _exploreDir(path, depth) {
let files;
try {
files = await readdir$1(path, this._rdOptions);
} catch (error) {
this._onError(error);
}
return { files, depth, path };
}
async _formatEntry(dirent, path) {
let entry;
try {
const basename = this._isDirent ? dirent.name : dirent;
const fullPath = sysPath$3.resolve(sysPath$3.join(path, basename));
entry = { path: sysPath$3.relative(this._root, fullPath), fullPath, basename };
entry[this._statsProp] = this._isDirent ? dirent : await this._stat(fullPath);
} catch (err) {
this._onError(err);
}
return entry;
}
_onError(err) {
if (isNormalFlowError(err) && !this.destroyed) {
this.emit('warn', err);
} else {
this.destroy(err);
}
}
async _getEntryType(entry) {
// entry may be undefined, because a warning or an error were emitted
// and the statsProp is undefined
const stats = entry && entry[this._statsProp];
if (!stats) {
return;
}
if (stats.isFile()) {
return 'file';
}
if (stats.isDirectory()) {
return 'directory';
}
if (stats && stats.isSymbolicLink()) {
const full = entry.fullPath;
try {
const entryRealPath = await realpath$1(full);
const entryRealPathStats = await lstat$2(entryRealPath);
if (entryRealPathStats.isFile()) {
return 'file';
}
if (entryRealPathStats.isDirectory()) {
const len = entryRealPath.length;
if (full.startsWith(entryRealPath) && full.substr(len, 1) === sysPath$3.sep) {
const recursiveError = new Error(
`Circular symlink detected: "${full}" points to "${entryRealPath}"`
);
recursiveError.code = RECURSIVE_ERROR_CODE;
return this._onError(recursiveError);
}
return 'directory';
}
} catch (error) {
this._onError(error);
}
}
}
_includeAsFile(entry) {
const stats = entry && entry[this._statsProp];
return stats && this._wantsEverything && !stats.isDirectory();
}
}
/**
* @typedef {Object} ReaddirpArguments
* @property {Function=} fileFilter
* @property {Function=} directoryFilter
* @property {String=} type
* @property {Number=} depth
* @property {String=} root
* @property {Boolean=} lstat
* @property {Boolean=} bigint
*/
/**
* Main function which ends up calling readdirRec and reads all files and directories in given root recursively.
* @param {String} root Root directory
* @param {ReaddirpArguments=} options Options to specify root (start directory), filters and recursion depth
*/
const readdirp$1 = (root, options = {}) => {
let type = options.entryType || options.type;
if (type === 'both') type = FILE_DIR_TYPE; // backwards-compatibility
if (type) options.type = type;
if (!root) {
throw new Error('readdirp: root argument is required. Usage: readdirp(root, options)');
} else if (typeof root !== 'string') {
throw new TypeError('readdirp: root argument must be a string. Usage: readdirp(root, options)');
} else if (type && !ALL_TYPES.includes(type)) {
throw new Error(`readdirp: Invalid type passed. Use one of ${ALL_TYPES.join(', ')}`);
}
options.root = root;
return new ReaddirpStream(options);
};
const readdirpPromise = (root, options = {}) => {
return new Promise((resolve, reject) => {
const files = [];
readdirp$1(root, options)
.on('data', entry => files.push(entry))
.on('end', () => resolve(files))
.on('error', error => reject(error));
});
};
readdirp$1.promise = readdirpPromise;
readdirp$1.ReaddirpStream = ReaddirpStream;
readdirp$1.default = readdirp$1;
var readdirp_1 = readdirp$1;
var anymatch$2 = {exports: {}};
/*!
* normalize-path <https://github.com/jonschlinkert/normalize-path>
*
* Copyright (c) 2014-2018, Jon Schlinkert.
* Released under the MIT License.
*/
var normalizePath$2 = function(path, stripTrailing) {
if (typeof path !== 'string') {
throw new TypeError('expected path to be a string');
}
if (path === '\\' || path === '/') return '/';
var len = path.length;
if (len <= 1) return path;
// ensure that win32 namespaces has two leading slashes, so that the path is
// handled properly by the win32 version of path.parse() after being normalized
// https://msdn.microsoft.com/library/windows/desktop/aa365247(v=vs.85).aspx#namespaces
var prefix = '';
if (len > 4 && path[3] === '\\') {
var ch = path[2];
if ((ch === '?' || ch === '.') && path.slice(0, 2) === '\\\\') {
path = path.slice(2);
prefix = '//';
}
}
var segs = path.split(/[/\\]+/);
if (stripTrailing !== false && segs[segs.length - 1] === '') {
segs.pop();
}
return prefix + segs.join('/');
};
Object.defineProperty(anymatch$2.exports, "__esModule", { value: true });
const picomatch = picomatch$2.exports;
const normalizePath$1 = normalizePath$2;
/**
* @typedef {(testString: string) => boolean} AnymatchFn
* @typedef {string|RegExp|AnymatchFn} AnymatchPattern
* @typedef {AnymatchPattern|AnymatchPattern[]} AnymatchMatcher
*/
const BANG$1 = '!';
const DEFAULT_OPTIONS = {returnIndex: false};
const arrify$1 = (item) => Array.isArray(item) ? item : [item];
/**
* @param {AnymatchPattern} matcher
* @param {object} options
* @returns {AnymatchFn}
*/
const createPattern = (matcher, options) => {
if (typeof matcher === 'function') {
return matcher;
}
if (typeof matcher === 'string') {
const glob = picomatch(matcher, options);
return (string) => matcher === string || glob(string);
}
if (matcher instanceof RegExp) {
return (string) => matcher.test(string);
}
return (string) => false;
};
/**
* @param {Array<Function>} patterns
* @param {Array<Function>} negPatterns
* @param {String|Array} args
* @param {Boolean} returnIndex
* @returns {boolean|number}
*/
const matchPatterns = (patterns, negPatterns, args, returnIndex) => {
const isList = Array.isArray(args);
const _path = isList ? args[0] : args;
if (!isList && typeof _path !== 'string') {
throw new TypeError('anymatch: second argument must be a string: got ' +
Object.prototype.toString.call(_path))
}
const path = normalizePath$1(_path);
for (let index = 0; index < negPatterns.length; index++) {
const nglob = negPatterns[index];
if (nglob(path)) {
return returnIndex ? -1 : false;
}
}
const applied = isList && [path].concat(args.slice(1));
for (let index = 0; index < patterns.length; index++) {
const pattern = patterns[index];
if (isList ? pattern(...applied) : pattern(path)) {
return returnIndex ? index : true;
}
}
return returnIndex ? -1 : false;
};
/**
* @param {AnymatchMatcher} matchers
* @param {Array|string} testString
* @param {object} options
* @returns {boolean|number|Function}
*/
const anymatch$1 = (matchers, testString, options = DEFAULT_OPTIONS) => {
if (matchers == null) {
throw new TypeError('anymatch: specify first argument');
}
const opts = typeof options === 'boolean' ? {returnIndex: options} : options;
const returnIndex = opts.returnIndex || false;
// Early cache for matchers.
const mtchers = arrify$1(matchers);
const negatedGlobs = mtchers
.filter(item => typeof item === 'string' && item.charAt(0) === BANG$1)
.map(item => item.slice(1))
.map(item => picomatch(item, opts));
const patterns = mtchers
.filter(item => typeof item !== 'string' || (typeof item === 'string' && item.charAt(0) !== BANG$1))
.map(matcher => createPattern(matcher, opts));
if (testString == null) {
return (testString, ri = false) => {
const returnIndex = typeof ri === 'boolean' ? ri : false;
return matchPatterns(patterns, negatedGlobs, testString, returnIndex);
}
}
return matchPatterns(patterns, negatedGlobs, testString, returnIndex);
};
anymatch$1.default = anymatch$1;
anymatch$2.exports = anymatch$1;
/*!
* is-extglob <https://github.com/jonschlinkert/is-extglob>
*
* Copyright (c) 2014-2016, Jon Schlinkert.
* Licensed under the MIT License.
*/
var isExtglob$1 = function isExtglob(str) {
if (typeof str !== 'string' || str === '') {
return false;
}
var match;
while ((match = /(\\).|([@?!+*]\(.*\))/g.exec(str))) {
if (match[2]) return true;
str = str.slice(match.index + match[0].length);
}
return false;
};
/*!
* is-glob <https://github.com/jonschlinkert/is-glob>
*
* Copyright (c) 2014-2017, Jon Schlinkert.
* Released under the MIT License.
*/
var isExtglob = isExtglob$1;
var chars = { '{': '}', '(': ')', '[': ']'};
var strictCheck = function(str) {
if (str[0] === '!') {
return true;
}
var index = 0;
var pipeIndex = -2;
var closeSquareIndex = -2;
var closeCurlyIndex = -2;
var closeParenIndex = -2;
var backSlashIndex = -2;
while (index < str.length) {
if (str[index] === '*') {
return true;
}
if (str[index + 1] === '?' && /[\].+)]/.test(str[index])) {
return true;
}
if (closeSquareIndex !== -1 && str[index] === '[' && str[index + 1] !== ']') {
if (closeSquareIndex < index) {
closeSquareIndex = str.indexOf(']', index);
}
if (closeSquareIndex > index) {
if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) {
return true;
}
backSlashIndex = str.indexOf('\\', index);
if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) {
return true;
}
}
}
if (closeCurlyIndex !== -1 && str[index] === '{' && str[index + 1] !== '}') {
closeCurlyIndex = str.indexOf('}', index);
if (closeCurlyIndex > index) {
backSlashIndex = str.indexOf('\\', index);
if (backSlashIndex === -1 || backSlashIndex > closeCurlyIndex) {
return true;
}
}
}
if (closeParenIndex !== -1 && str[index] === '(' && str[index + 1] === '?' && /[:!=]/.test(str[index + 2]) && str[index + 3] !== ')') {
closeParenIndex = str.indexOf(')', index);
if (closeParenIndex > index) {
backSlashIndex = str.indexOf('\\', index);
if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) {
return true;
}
}
}
if (pipeIndex !== -1 && str[index] === '(' && str[index + 1] !== '|') {
if (pipeIndex < index) {
pipeIndex = str.indexOf('|', index);
}
if (pipeIndex !== -1 && str[pipeIndex + 1] !== ')') {
closeParenIndex = str.indexOf(')', pipeIndex);
if (closeParenIndex > pipeIndex) {
backSlashIndex = str.indexOf('\\', pipeIndex);
if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) {
return true;
}
}
}
}
if (str[index] === '\\') {
var open = str[index + 1];
index += 2;
var close = chars[open];
if (close) {
var n = str.indexOf(close, index);
if (n !== -1) {
index = n + 1;
}
}
if (str[index] === '!') {
return true;
}
} else {
index++;
}
}
return false;
};
var relaxedCheck = function(str) {
if (str[0] === '!') {
return true;
}
var index = 0;
while (index < str.length) {
if (/[*?{}()[\]]/.test(str[index])) {
return true;
}
if (str[index] === '\\') {
var open = str[index + 1];
index += 2;
var close = chars[open];
if (close) {
var n = str.indexOf(close, index);
if (n !== -1) {
index = n + 1;
}
}
if (str[index] === '!') {
return true;
}
} else {
index++;
}
}
return false;
};
var isGlob$2 = function isGlob(str, options) {
if (typeof str !== 'string' || str === '') {
return false;
}
if (isExtglob(str)) {
return true;
}
var check = strictCheck;
// optionally relax check
if (options && options.strict === false) {
check = relaxedCheck;
}
return check(str);
};
var isGlob$1 = isGlob$2;
var pathPosixDirname = require$$0$2.posix.dirname;
var isWin32 = require$$2$1.platform() === 'win32';
var slash = '/';
var backslash = /\\/g;
var enclosure = /[\{\[].*[\}\]]$/;
var globby = /(^|[^\\])([\{\[]|\([^\)]+$)/;
var escaped = /\\([\!\*\?\|\[\]\(\)\{\}])/g;
/**
* @param {string} str
* @param {Object} opts
* @param {boolean} [opts.flipBackslashes=true]
* @returns {string}
*/
var globParent$1 = function globParent(str, opts) {
var options = Object.assign({ flipBackslashes: true }, opts);
// flip windows path separators
if (options.flipBackslashes && isWin32 && str.indexOf(slash) < 0) {
str = str.replace(backslash, slash);
}
// special case for strings ending in enclosure containing path separator
if (enclosure.test(str)) {
str += slash;
}
// preserves full path in case of trailing path separator
str += 'a';
// remove path parts that are globby
do {
str = pathPosixDirname(str);
} while (isGlob$1(str) || globby.test(str));
// remove escape chars and return result
return str.replace(escaped, '$1');
};
var utils$3 = {};
(function (exports) {
exports.isInteger = num => {
if (typeof num === 'number') {
return Number.isInteger(num);
}
if (typeof num === 'string' && num.trim() !== '') {
return Number.isInteger(Number(num));
}
return false;
};
/**
* Find a node of the given type
*/
exports.find = (node, type) => node.nodes.find(node => node.type === type);
/**
* Find a node of the given type
*/
exports.exceedsLimit = (min, max, step = 1, limit) => {
if (limit === false) return false;
if (!exports.isInteger(min) || !exports.isInteger(max)) return false;
return ((Number(max) - Number(min)) / Number(step)) >= limit;
};
/**
* Escape the given node with '\\' before node.value
*/
exports.escapeNode = (block, n = 0, type) => {
let node = block.nodes[n];
if (!node) return;
if ((type && node.type === type) || node.type === 'open' || node.type === 'close') {
if (node.escaped !== true) {
node.value = '\\' + node.value;
node.escaped = true;
}
}
};
/**
* Returns true if the given brace node should be enclosed in literal braces
*/
exports.encloseBrace = node => {
if (node.type !== 'brace') return false;
if ((node.commas >> 0 + node.ranges >> 0) === 0) {
node.invalid = true;
return true;
}
return false;
};
/**
* Returns true if a brace node is invalid.
*/
exports.isInvalidBrace = block => {
if (block.type !== 'brace') return false;
if (block.invalid === true || block.dollar) return true;
if ((block.commas >> 0 + block.ranges >> 0) === 0) {
block.invalid = true;
return true;
}
if (block.open !== true || block.close !== true) {
block.invalid = true;
return true;
}
return false;
};
/**
* Returns true if a node is an open or close node
*/
exports.isOpenOrClose = node => {
if (node.type === 'open' || node.type === 'close') {
return true;
}
return node.open === true || node.close === true;
};
/**
* Reduce an array of text nodes.
*/
exports.reduce = nodes => nodes.reduce((acc, node) => {
if (node.type === 'text') acc.push(node.value);
if (node.type === 'range') node.type = 'text';
return acc;
}, []);
/**
* Flatten an array
*/
exports.flatten = (...args) => {
const result = [];
const flat = arr => {
for (let i = 0; i < arr.length; i++) {
let ele = arr[i];
Array.isArray(ele) ? flat(ele) : ele !== void 0 && result.push(ele);
}
return result;
};
flat(args);
return result;
};
} (utils$3));
const utils$2 = utils$3;
var stringify$4 = (ast, options = {}) => {
let stringify = (node, parent = {}) => {
let invalidBlock = options.escapeInvalid && utils$2.isInvalidBrace(parent);
let invalidNode = node.invalid === true && options.escapeInvalid === true;
let output = '';
if (node.value) {
if ((invalidBlock || invalidNode) && utils$2.isOpenOrClose(node)) {
return '\\' + node.value;
}
return node.value;
}
if (node.value) {
return node.value;
}
if (node.nodes) {
for (let child of node.nodes) {
output += stringify(child);
}
}
return output;
};
return stringify(ast);
};
/*!
* is-number <https://github.com/jonschlinkert/is-number>
*
* Copyright (c) 2014-present, Jon Schlinkert.
* Released under the MIT License.
*/
var isNumber$2 = function(num) {
if (typeof num === 'number') {
return num - num === 0;
}
if (typeof num === 'string' && num.trim() !== '') {
return Number.isFinite ? Number.isFinite(+num) : isFinite(+num);
}
return false;
};
/*!
* to-regex-range <https://github.com/micromatch/to-regex-range>
*
* Copyright (c) 2015-present, Jon Schlinkert.
* Released under the MIT License.
*/
const isNumber$1 = isNumber$2;
const toRegexRange$1 = (min, max, options) => {
if (isNumber$1(min) === false) {
throw new TypeError('toRegexRange: expected the first argument to be a number');
}
if (max === void 0 || min === max) {
return String(min);
}
if (isNumber$1(max) === false) {
throw new TypeError('toRegexRange: expected the second argument to be a number.');
}
let opts = { relaxZeros: true, ...options };
if (typeof opts.strictZeros === 'boolean') {
opts.relaxZeros = opts.strictZeros === false;
}
let relax = String(opts.relaxZeros);
let shorthand = String(opts.shorthand);
let capture = String(opts.capture);
let wrap = String(opts.wrap);
let cacheKey = min + ':' + max + '=' + relax + shorthand + capture + wrap;
if (toRegexRange$1.cache.hasOwnProperty(cacheKey)) {
return toRegexRange$1.cache[cacheKey].result;
}
let a = Math.min(min, max);
let b = Math.max(min, max);
if (Math.abs(a - b) === 1) {
let result = min + '|' + max;
if (opts.capture) {
return `(${result})`;
}
if (opts.wrap === false) {
return result;
}
return `(?:${result})`;
}
let isPadded = hasPadding(min) || hasPadding(max);
let state = { min, max, a, b };
let positives = [];
let negatives = [];
if (isPadded) {
state.isPadded = isPadded;
state.maxLen = String(state.max).length;
}
if (a < 0) {
let newMin = b < 0 ? Math.abs(b) : 1;
negatives = splitToPatterns(newMin, Math.abs(a), state, opts);
a = state.a = 0;
}
if (b >= 0) {
positives = splitToPatterns(a, b, state, opts);
}
state.negatives = negatives;
state.positives = positives;
state.result = collatePatterns(negatives, positives);
if (opts.capture === true) {
state.result = `(${state.result})`;
} else if (opts.wrap !== false && (positives.length + negatives.length) > 1) {
state.result = `(?:${state.result})`;
}
toRegexRange$1.cache[cacheKey] = state;
return state.result;
};
function collatePatterns(neg, pos, options) {
let onlyNegative = filterPatterns(neg, pos, '-', false) || [];
let onlyPositive = filterPatterns(pos, neg, '', false) || [];
let intersected = filterPatterns(neg, pos, '-?', true) || [];
let subpatterns = onlyNegative.concat(intersected).concat(onlyPositive);
return subpatterns.join('|');
}
function splitToRanges(min, max) {
let nines = 1;
let zeros = 1;
let stop = countNines(min, nines);
let stops = new Set([max]);
while (min <= stop && stop <= max) {
stops.add(stop);
nines += 1;
stop = countNines(min, nines);
}
stop = countZeros(max + 1, zeros) - 1;
while (min < stop && stop <= max) {
stops.add(stop);
zeros += 1;
stop = countZeros(max + 1, zeros) - 1;
}
stops = [...stops];
stops.sort(compare);
return stops;
}
/**
* Convert a range to a regex pattern
* @param {Number} `start`
* @param {Number} `stop`
* @return {String}
*/
function rangeToPattern(start, stop, options) {
if (start === stop) {
return { pattern: start, count: [], digits: 0 };
}
let zipped = zip(start, stop);
let digits = zipped.length;
let pattern = '';
let count = 0;
for (let i = 0; i < digits; i++) {
let [startDigit, stopDigit] = zipped[i];
if (startDigit === stopDigit) {
pattern += startDigit;
} else if (startDigit !== '0' || stopDigit !== '9') {
pattern += toCharacterClass(startDigit, stopDigit);
} else {
count++;
}
}
if (count) {
pattern += options.shorthand === true ? '\\d' : '[0-9]';
}
return { pattern, count: [count], digits };
}
function splitToPatterns(min, max, tok, options) {
let ranges = splitToRanges(min, max);
let tokens = [];
let start = min;
let prev;
for (let i = 0; i < ranges.length; i++) {
let max = ranges[i];
let obj = rangeToPattern(String(start), String(max), options);
let zeros = '';
if (!tok.isPadded && prev && prev.pattern === obj.pattern) {
if (prev.count.length > 1) {
prev.count.pop();
}
prev.count.push(obj.count[0]);
prev.string = prev.pattern + toQuantifier(prev.count);
start = max + 1;
continue;
}
if (tok.isPadded) {
zeros = padZeros(max, tok, options);
}
obj.string = zeros + obj.pattern + toQuantifier(obj.count);
tokens.push(obj);
start = max + 1;
prev = obj;
}
return tokens;
}
function filterPatterns(arr, comparison, prefix, intersection, options) {
let result = [];
for (let ele of arr) {
let { string } = ele;
// only push if _both_ are negative...
if (!intersection && !contains(comparison, 'string', string)) {
result.push(prefix + string);
}
// or _both_ are positive
if (intersection && contains(comparison, 'string', string)) {
result.push(prefix + string);
}
}
return result;
}
/**
* Zip strings
*/
function zip(a, b) {
let arr = [];
for (let i = 0; i < a.length; i++) arr.push([a[i], b[i]]);
return arr;
}
function compare(a, b) {
return a > b ? 1 : b > a ? -1 : 0;
}
function contains(arr, key, val) {
return arr.some(ele => ele[key] === val);
}
function countNines(min, len) {
return Number(String(min).slice(0, -len) + '9'.repeat(len));
}
function countZeros(integer, zeros) {
return integer - (integer % Math.pow(10, zeros));
}
function toQuantifier(digits) {
let [start = 0, stop = ''] = digits;
if (stop || start > 1) {
return `{${start + (stop ? ',' + stop : '')}}`;
}
return '';
}
function toCharacterClass(a, b, options) {
return `[${a}${(b - a === 1) ? '' : '-'}${b}]`;
}
function hasPadding(str) {
return /^-?(0+)\d/.test(str);
}
function padZeros(value, tok, options) {
if (!tok.isPadded) {
return value;
}
let diff = Math.abs(tok.maxLen - String(value).length);
let relax = options.relaxZeros !== false;
switch (diff) {
case 0:
return '';
case 1:
return relax ? '0?' : '0';
case 2:
return relax ? '0{0,2}' : '00';
default: {
return relax ? `0{0,${diff}}` : `0{${diff}}`;
}
}
}
/**
* Cache
*/
toRegexRange$1.cache = {};
toRegexRange$1.clearCache = () => (toRegexRange$1.cache = {});
/**
* Expose `toRegexRange`
*/
var toRegexRange_1 = toRegexRange$1;
/*!
* fill-range <https://github.com/jonschlinkert/fill-range>
*
* Copyright (c) 2014-present, Jon Schlinkert.
* Licensed under the MIT License.
*/
const util = require$$2;
const toRegexRange = toRegexRange_1;
const isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
const transform = toNumber => {
return value => toNumber === true ? Number(value) : String(value);
};
const isValidValue = value => {
return typeof value === 'number' || (typeof value === 'string' && value !== '');
};
const isNumber = num => Number.isInteger(+num);
const zeros = input => {
let value = `${input}`;
let index = -1;
if (value[0] === '-') value = value.slice(1);
if (value === '0') return false;
while (value[++index] === '0');
return index > 0;
};
const stringify$3 = (start, end, options) => {
if (typeof start === 'string' || typeof end === 'string') {
return true;
}
return options.stringify === true;
};
const pad = (input, maxLength, toNumber) => {
if (maxLength > 0) {
let dash = input[0] === '-' ? '-' : '';
if (dash) input = input.slice(1);
input = (dash + input.padStart(dash ? maxLength - 1 : maxLength, '0'));
}
if (toNumber === false) {
return String(input);
}
return input;
};
const toMaxLen = (input, maxLength) => {
let negative = input[0] === '-' ? '-' : '';
if (negative) {
input = input.slice(1);
maxLength--;
}
while (input.length < maxLength) input = '0' + input;
return negative ? ('-' + input) : input;
};
const toSequence = (parts, options) => {
parts.negatives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
parts.positives.sort((a, b) => a < b ? -1 : a > b ? 1 : 0);
let prefix = options.capture ? '' : '?:';
let positives = '';
let negatives = '';
let result;
if (parts.positives.length) {
positives = parts.positives.join('|');
}
if (parts.negatives.length) {
negatives = `-(${prefix}${parts.negatives.join('|')})`;
}
if (positives && negatives) {
result = `${positives}|${negatives}`;
} else {
result = positives || negatives;
}
if (options.wrap) {
return `(${prefix}${result})`;
}
return result;
};
const toRange = (a, b, isNumbers, options) => {
if (isNumbers) {
return toRegexRange(a, b, { wrap: false, ...options });
}
let start = String.fromCharCode(a);
if (a === b) return start;
let stop = String.fromCharCode(b);
return `[${start}-${stop}]`;
};
const toRegex = (start, end, options) => {
if (Array.isArray(start)) {
let wrap = options.wrap === true;
let prefix = options.capture ? '' : '?:';
return wrap ? `(${prefix}${start.join('|')})` : start.join('|');
}
return toRegexRange(start, end, options);
};
const rangeError = (...args) => {
return new RangeError('Invalid range arguments: ' + util.inspect(...args));
};
const invalidRange = (start, end, options) => {
if (options.strictRanges === true) throw rangeError([start, end]);
return [];
};
const invalidStep = (step, options) => {
if (options.strictRanges === true) {
throw new TypeError(`Expected step "${step}" to be a number`);
}
return [];
};
const fillNumbers = (start, end, step = 1, options = {}) => {
let a = Number(start);
let b = Number(end);
if (!Number.isInteger(a) || !Number.isInteger(b)) {
if (options.strictRanges === true) throw rangeError([start, end]);
return [];
}
// fix negative zero
if (a === 0) a = 0;
if (b === 0) b = 0;
let descending = a > b;
let startString = String(start);
let endString = String(end);
let stepString = String(step);
step = Math.max(Math.abs(step), 1);
let padded = zeros(startString) || zeros(endString) || zeros(stepString);
let maxLen = padded ? Math.max(startString.length, endString.length, stepString.length) : 0;
let toNumber = padded === false && stringify$3(start, end, options) === false;
let format = options.transform || transform(toNumber);
if (options.toRegex && step === 1) {
return toRange(toMaxLen(start, maxLen), toMaxLen(end, maxLen), true, options);
}
let parts = { negatives: [], positives: [] };
let push = num => parts[num < 0 ? 'negatives' : 'positives'].push(Math.abs(num));
let range = [];
let index = 0;
while (descending ? a >= b : a <= b) {
if (options.toRegex === true && step > 1) {
push(a);
} else {
range.push(pad(format(a, index), maxLen, toNumber));
}
a = descending ? a - step : a + step;
index++;
}
if (options.toRegex === true) {
return step > 1
? toSequence(parts, options)
: toRegex(range, null, { wrap: false, ...options });
}
return range;
};
const fillLetters = (start, end, step = 1, options = {}) => {
if ((!isNumber(start) && start.length > 1) || (!isNumber(end) && end.length > 1)) {
return invalidRange(start, end, options);
}
let format = options.transform || (val => String.fromCharCode(val));
let a = `${start}`.charCodeAt(0);
let b = `${end}`.charCodeAt(0);
let descending = a > b;
let min = Math.min(a, b);
let max = Math.max(a, b);
if (options.toRegex && step === 1) {
return toRange(min, max, false, options);
}
let range = [];
let index = 0;
while (descending ? a >= b : a <= b) {
range.push(format(a, index));
a = descending ? a - step : a + step;
index++;
}
if (options.toRegex === true) {
return toRegex(range, null, { wrap: false, options });
}
return range;
};
const fill$2 = (start, end, step, options = {}) => {
if (end == null && isValidValue(start)) {
return [start];
}
if (!isValidValue(start) || !isValidValue(end)) {
return invalidRange(start, end, options);
}
if (typeof step === 'function') {
return fill$2(start, end, 1, { transform: step });
}
if (isObject(step)) {
return fill$2(start, end, 0, step);
}
let opts = { ...options };
if (opts.capture === true) opts.wrap = true;
step = step || opts.step || 1;
if (!isNumber(step)) {
if (step != null && !isObject(step)) return invalidStep(step, opts);
return fill$2(start, end, 1, step);
}
if (isNumber(start) && isNumber(end)) {
return fillNumbers(start, end, step, opts);
}
return fillLetters(start, end, Math.max(Math.abs(step), 1), opts);
};
var fillRange = fill$2;
const fill$1 = fillRange;
const utils$1 = utils$3;
const compile$1 = (ast, options = {}) => {
let walk = (node, parent = {}) => {
let invalidBlock = utils$1.isInvalidBrace(parent);
let invalidNode = node.invalid === true && options.escapeInvalid === true;
let invalid = invalidBlock === true || invalidNode === true;
let prefix = options.escapeInvalid === true ? '\\' : '';
let output = '';
if (node.isOpen === true) {
return prefix + node.value;
}
if (node.isClose === true) {
return prefix + node.value;
}
if (node.type === 'open') {
return invalid ? (prefix + node.value) : '(';
}
if (node.type === 'close') {
return invalid ? (prefix + node.value) : ')';
}
if (node.type === 'comma') {
return node.prev.type === 'comma' ? '' : (invalid ? node.value : '|');
}
if (node.value) {
return node.value;
}
if (node.nodes && node.ranges > 0) {
let args = utils$1.reduce(node.nodes);
let range = fill$1(...args, { ...options, wrap: false, toRegex: true });
if (range.length !== 0) {
return args.length > 1 && range.length > 1 ? `(${range})` : range;
}
}
if (node.nodes) {
for (let child of node.nodes) {
output += walk(child, node);
}
}
return output;
};
return walk(ast);
};
var compile_1 = compile$1;
const fill = fillRange;
const stringify$2 = stringify$4;
const utils = utils$3;
const append = (queue = '', stash = '', enclose = false) => {
let result = [];
queue = [].concat(queue);
stash = [].concat(stash);
if (!stash.length) return queue;
if (!queue.length) {
return enclose ? utils.flatten(stash).map(ele => `{${ele}}`) : stash;
}
for (let item of queue) {
if (Array.isArray(item)) {
for (let value of item) {
result.push(append(value, stash, enclose));
}
} else {
for (let ele of stash) {
if (enclose === true && typeof ele === 'string') ele = `{${ele}}`;
result.push(Array.isArray(ele) ? append(item, ele, enclose) : (item + ele));
}
}
}
return utils.flatten(result);
};
const expand$1 = (ast, options = {}) => {
let rangeLimit = options.rangeLimit === void 0 ? 1000 : options.rangeLimit;
let walk = (node, parent = {}) => {
node.queue = [];
let p = parent;
let q = parent.queue;
while (p.type !== 'brace' && p.type !== 'root' && p.parent) {
p = p.parent;
q = p.queue;
}
if (node.invalid || node.dollar) {
q.push(append(q.pop(), stringify$2(node, options)));
return;
}
if (node.type === 'brace' && node.invalid !== true && node.nodes.length === 2) {
q.push(append(q.pop(), ['{}']));
return;
}
if (node.nodes && node.ranges > 0) {
let args = utils.reduce(node.nodes);
if (utils.exceedsLimit(...args, options.step, rangeLimit)) {
throw new RangeError('expanded array length exceeds range limit. Use options.rangeLimit to increase or disable the limit.');
}
let range = fill(...args, options);
if (range.length === 0) {
range = stringify$2(node, options);
}
q.push(append(q.pop(), range));
node.nodes = [];
return;
}
let enclose = utils.encloseBrace(node);
let queue = node.queue;
let block = node;
while (block.type !== 'brace' && block.type !== 'root' && block.parent) {
block = block.parent;
queue = block.queue;
}
for (let i = 0; i < node.nodes.length; i++) {
let child = node.nodes[i];
if (child.type === 'comma' && node.type === 'brace') {
if (i === 1) queue.push('');
queue.push('');
continue;
}
if (child.type === 'close') {
q.push(append(q.pop(), queue, enclose));
continue;
}
if (child.value && child.type !== 'open') {
queue.push(append(queue.pop(), child.value));
continue;
}
if (child.nodes) {
walk(child, node);
}
}
return queue;
};
return utils.flatten(walk(ast));
};
var expand_1 = expand$1;
var constants$1 = {
MAX_LENGTH: 1024 * 64,
// Digits
CHAR_0: '0', /* 0 */
CHAR_9: '9', /* 9 */
// Alphabet chars.
CHAR_UPPERCASE_A: 'A', /* A */
CHAR_LOWERCASE_A: 'a', /* a */
CHAR_UPPERCASE_Z: 'Z', /* Z */
CHAR_LOWERCASE_Z: 'z', /* z */
CHAR_LEFT_PARENTHESES: '(', /* ( */
CHAR_RIGHT_PARENTHESES: ')', /* ) */
CHAR_ASTERISK: '*', /* * */
// Non-alphabetic chars.
CHAR_AMPERSAND: '&', /* & */
CHAR_AT: '@', /* @ */
CHAR_BACKSLASH: '\\', /* \ */
CHAR_BACKTICK: '`', /* ` */
CHAR_CARRIAGE_RETURN: '\r', /* \r */
CHAR_CIRCUMFLEX_ACCENT: '^', /* ^ */
CHAR_COLON: ':', /* : */
CHAR_COMMA: ',', /* , */
CHAR_DOLLAR: '$', /* . */
CHAR_DOT: '.', /* . */
CHAR_DOUBLE_QUOTE: '"', /* " */
CHAR_EQUAL: '=', /* = */
CHAR_EXCLAMATION_MARK: '!', /* ! */
CHAR_FORM_FEED: '\f', /* \f */
CHAR_FORWARD_SLASH: '/', /* / */
CHAR_HASH: '#', /* # */
CHAR_HYPHEN_MINUS: '-', /* - */
CHAR_LEFT_ANGLE_BRACKET: '<', /* < */
CHAR_LEFT_CURLY_BRACE: '{', /* { */
CHAR_LEFT_SQUARE_BRACKET: '[', /* [ */
CHAR_LINE_FEED: '\n', /* \n */
CHAR_NO_BREAK_SPACE: '\u00A0', /* \u00A0 */
CHAR_PERCENT: '%', /* % */
CHAR_PLUS: '+', /* + */
CHAR_QUESTION_MARK: '?', /* ? */
CHAR_RIGHT_ANGLE_BRACKET: '>', /* > */
CHAR_RIGHT_CURLY_BRACE: '}', /* } */
CHAR_RIGHT_SQUARE_BRACKET: ']', /* ] */
CHAR_SEMICOLON: ';', /* ; */
CHAR_SINGLE_QUOTE: '\'', /* ' */
CHAR_SPACE: ' ', /* */
CHAR_TAB: '\t', /* \t */
CHAR_UNDERSCORE: '_', /* _ */
CHAR_VERTICAL_LINE: '|', /* | */
CHAR_ZERO_WIDTH_NOBREAK_SPACE: '\uFEFF' /* \uFEFF */
};
const stringify$1 = stringify$4;
/**
* Constants
*/
const {
MAX_LENGTH,
CHAR_BACKSLASH, /* \ */
CHAR_BACKTICK, /* ` */
CHAR_COMMA, /* , */
CHAR_DOT, /* . */
CHAR_LEFT_PARENTHESES, /* ( */
CHAR_RIGHT_PARENTHESES, /* ) */
CHAR_LEFT_CURLY_BRACE, /* { */
CHAR_RIGHT_CURLY_BRACE, /* } */
CHAR_LEFT_SQUARE_BRACKET, /* [ */
CHAR_RIGHT_SQUARE_BRACKET, /* ] */
CHAR_DOUBLE_QUOTE, /* " */
CHAR_SINGLE_QUOTE, /* ' */
CHAR_NO_BREAK_SPACE,
CHAR_ZERO_WIDTH_NOBREAK_SPACE
} = constants$1;
/**
* parse
*/
const parse$1 = (input, options = {}) => {
if (typeof input !== 'string') {
throw new TypeError('Expected a string');
}
let opts = options || {};
let max = typeof opts.maxLength === 'number' ? Math.min(MAX_LENGTH, opts.maxLength) : MAX_LENGTH;
if (input.length > max) {
throw new SyntaxError(`Input length (${input.length}), exceeds max characters (${max})`);
}
let ast = { type: 'root', input, nodes: [] };
let stack = [ast];
let block = ast;
let prev = ast;
let brackets = 0;
let length = input.length;
let index = 0;
let depth = 0;
let value;
/**
* Helpers
*/
const advance = () => input[index++];
const push = node => {
if (node.type === 'text' && prev.type === 'dot') {
prev.type = 'text';
}
if (prev && prev.type === 'text' && node.type === 'text') {
prev.value += node.value;
return;
}
block.nodes.push(node);
node.parent = block;
node.prev = prev;
prev = node;
return node;
};
push({ type: 'bos' });
while (index < length) {
block = stack[stack.length - 1];
value = advance();
/**
* Invalid chars
*/
if (value === CHAR_ZERO_WIDTH_NOBREAK_SPACE || value === CHAR_NO_BREAK_SPACE) {
continue;
}
/**
* Escaped chars
*/
if (value === CHAR_BACKSLASH) {
push({ type: 'text', value: (options.keepEscaping ? value : '') + advance() });
continue;
}
/**
* Right square bracket (literal): ']'
*/
if (value === CHAR_RIGHT_SQUARE_BRACKET) {
push({ type: 'text', value: '\\' + value });
continue;
}
/**
* Left square bracket: '['
*/
if (value === CHAR_LEFT_SQUARE_BRACKET) {
brackets++;
let next;
while (index < length && (next = advance())) {
value += next;
if (next === CHAR_LEFT_SQUARE_BRACKET) {
brackets++;
continue;
}
if (next === CHAR_BACKSLASH) {
value += advance();
continue;
}
if (next === CHAR_RIGHT_SQUARE_BRACKET) {
brackets--;
if (brackets === 0) {
break;
}
}
}
push({ type: 'text', value });
continue;
}
/**
* Parentheses
*/
if (value === CHAR_LEFT_PARENTHESES) {
block = push({ type: 'paren', nodes: [] });
stack.push(block);
push({ type: 'text', value });
continue;
}
if (value === CHAR_RIGHT_PARENTHESES) {
if (block.type !== 'paren') {
push({ type: 'text', value });
continue;
}
block = stack.pop();
push({ type: 'text', value });
block = stack[stack.length - 1];
continue;
}
/**
* Quotes: '|"|`
*/
if (value === CHAR_DOUBLE_QUOTE || value === CHAR_SINGLE_QUOTE || value === CHAR_BACKTICK) {
let open = value;
let next;
if (options.keepQuotes !== true) {
value = '';
}
while (index < length && (next = advance())) {
if (next === CHAR_BACKSLASH) {
value += next + advance();
continue;
}
if (next === open) {
if (options.keepQuotes === true) value += next;
break;
}
value += next;
}
push({ type: 'text', value });
continue;
}
/**
* Left curly brace: '{'
*/
if (value === CHAR_LEFT_CURLY_BRACE) {
depth++;
let dollar = prev.value && prev.value.slice(-1) === '$' || block.dollar === true;
let brace = {
type: 'brace',
open: true,
close: false,
dollar,
depth,
commas: 0,
ranges: 0,
nodes: []
};
block = push(brace);
stack.push(block);
push({ type: 'open', value });
continue;
}
/**
* Right curly brace: '}'
*/
if (value === CHAR_RIGHT_CURLY_BRACE) {
if (block.type !== 'brace') {
push({ type: 'text', value });
continue;
}
let type = 'close';
block = stack.pop();
block.close = true;
push({ type, value });
depth--;
block = stack[stack.length - 1];
continue;
}
/**
* Comma: ','
*/
if (value === CHAR_COMMA && depth > 0) {
if (block.ranges > 0) {
block.ranges = 0;
let open = block.nodes.shift();
block.nodes = [open, { type: 'text', value: stringify$1(block) }];
}
push({ type: 'comma', value });
block.commas++;
continue;
}
/**
* Dot: '.'
*/
if (value === CHAR_DOT && depth > 0 && block.commas === 0) {
let siblings = block.nodes;
if (depth === 0 || siblings.length === 0) {
push({ type: 'text', value });
continue;
}
if (prev.type === 'dot') {
block.range = [];
prev.value += value;
prev.type = 'range';
if (block.nodes.length !== 3 && block.nodes.length !== 5) {
block.invalid = true;
block.ranges = 0;
prev.type = 'text';
continue;
}
block.ranges++;
block.args = [];
continue;
}
if (prev.type === 'range') {
siblings.pop();
let before = siblings[siblings.length - 1];
before.value += prev.value + value;
prev = before;
block.ranges--;
continue;
}
push({ type: 'dot', value });
continue;
}
/**
* Text
*/
push({ type: 'text', value });
}
// Mark imbalanced braces and brackets as invalid
do {
block = stack.pop();
if (block.type !== 'root') {
block.nodes.forEach(node => {
if (!node.nodes) {
if (node.type === 'open') node.isOpen = true;
if (node.type === 'close') node.isClose = true;
if (!node.nodes) node.type = 'text';
node.invalid = true;
}
});
// get the location of the block on parent.nodes (block's siblings)
let parent = stack[stack.length - 1];
let index = parent.nodes.indexOf(block);
// replace the (invalid) block with it's nodes
parent.nodes.splice(index, 1, ...block.nodes);
}
} while (stack.length > 0);
push({ type: 'eos' });
return ast;
};
var parse_1 = parse$1;
const stringify = stringify$4;
const compile = compile_1;
const expand = expand_1;
const parse = parse_1;
/**
* Expand the given pattern or create a regex-compatible string.
*
* ```js
* const braces = require('braces');
* console.log(braces('{a,b,c}', { compile: true })); //=> ['(a|b|c)']
* console.log(braces('{a,b,c}')); //=> ['a', 'b', 'c']
* ```
* @param {String} `str`
* @param {Object} `options`
* @return {String}
* @api public
*/
const braces$1 = (input, options = {}) => {
let output = [];
if (Array.isArray(input)) {
for (let pattern of input) {
let result = braces$1.create(pattern, options);
if (Array.isArray(result)) {
output.push(...result);
} else {
output.push(result);
}
}
} else {
output = [].concat(braces$1.create(input, options));
}
if (options && options.expand === true && options.nodupes === true) {
output = [...new Set(output)];
}
return output;
};
/**
* Parse the given `str` with the given `options`.
*
* ```js
* // braces.parse(pattern, [, options]);
* const ast = braces.parse('a/{b,c}/d');
* console.log(ast);
* ```
* @param {String} pattern Brace pattern to parse
* @param {Object} options
* @return {Object} Returns an AST
* @api public
*/
braces$1.parse = (input, options = {}) => parse(input, options);
/**
* Creates a braces string from an AST, or an AST node.
*
* ```js
* const braces = require('braces');
* let ast = braces.parse('foo/{a,b}/bar');
* console.log(stringify(ast.nodes[2])); //=> '{a,b}'
* ```
* @param {String} `input` Brace pattern or AST.
* @param {Object} `options`
* @return {Array} Returns an array of expanded values.
* @api public
*/
braces$1.stringify = (input, options = {}) => {
if (typeof input === 'string') {
return stringify(braces$1.parse(input, options), options);
}
return stringify(input, options);
};
/**
* Compiles a brace pattern into a regex-compatible, optimized string.
* This method is called by the main [braces](#braces) function by default.
*
* ```js
* const braces = require('braces');
* console.log(braces.compile('a/{b,c}/d'));
* //=> ['a/(b|c)/d']
* ```
* @param {String} `input` Brace pattern or AST.
* @param {Object} `options`
* @return {Array} Returns an array of expanded values.
* @api public
*/
braces$1.compile = (input, options = {}) => {
if (typeof input === 'string') {
input = braces$1.parse(input, options);
}
return compile(input, options);
};
/**
* Expands a brace pattern into an array. This method is called by the
* main [braces](#braces) function when `options.expand` is true. Before
* using this method it's recommended that you read the [performance notes](#performance))
* and advantages of using [.compile](#compile) instead.
*
* ```js
* const braces = require('braces');
* console.log(braces.expand('a/{b,c}/d'));
* //=> ['a/b/d', 'a/c/d'];
* ```
* @param {String} `pattern` Brace pattern
* @param {Object} `options`
* @return {Array} Returns an array of expanded values.
* @api public
*/
braces$1.expand = (input, options = {}) => {
if (typeof input === 'string') {
input = braces$1.parse(input, options);
}
let result = expand(input, options);
// filter out empty strings if specified
if (options.noempty === true) {
result = result.filter(Boolean);
}
// filter out duplicates if specified
if (options.nodupes === true) {
result = [...new Set(result)];
}
return result;
};
/**
* Processes a brace pattern and returns either an expanded array
* (if `options.expand` is true), a highly optimized regex-compatible string.
* This method is called by the main [braces](#braces) function.
*
* ```js
* const braces = require('braces');
* console.log(braces.create('user-{200..300}/project-{a,b,c}-{1..10}'))
* //=> 'user-(20[0-9]|2[1-9][0-9]|300)/project-(a|b|c)-([1-9]|10)'
* ```
* @param {String} `pattern` Brace pattern
* @param {Object} `options`
* @return {Array} Returns an array of expanded values.
* @api public
*/
braces$1.create = (input, options = {}) => {
if (input === '' || input.length < 3) {
return [input];
}
return options.expand !== true
? braces$1.compile(input, options)
: braces$1.expand(input, options);
};
/**
* Expose "braces"
*/
var braces_1 = braces$1;
var binaryExtensions$1 = {exports: {}};
const require$$0 = [
"3dm",
"3ds",
"3g2",
"3gp",
"7z",
"a",
"aac",
"adp",
"ai",
"aif",
"aiff",
"alz",
"ape",
"apk",
"appimage",
"ar",
"arj",
"asf",
"au",
"avi",
"bak",
"baml",
"bh",
"bin",
"bk",
"bmp",
"btif",
"bz2",
"bzip2",
"cab",
"caf",
"cgm",
"class",
"cmx",
"cpio",
"cr2",
"cur",
"dat",
"dcm",
"deb",
"dex",
"djvu",
"dll",
"dmg",
"dng",
"doc",
"docm",
"docx",
"dot",
"dotm",
"dra",
"DS_Store",
"dsk",
"dts",
"dtshd",
"dvb",
"dwg",
"dxf",
"ecelp4800",
"ecelp7470",
"ecelp9600",
"egg",
"eol",
"eot",
"epub",
"exe",
"f4v",
"fbs",
"fh",
"fla",
"flac",
"flatpak",
"fli",
"flv",
"fpx",
"fst",
"fvt",
"g3",
"gh",
"gif",
"graffle",
"gz",
"gzip",
"h261",
"h263",
"h264",
"icns",
"ico",
"ief",
"img",
"ipa",
"iso",
"jar",
"jpeg",
"jpg",
"jpgv",
"jpm",
"jxr",
"key",
"ktx",
"lha",
"lib",
"lvp",
"lz",
"lzh",
"lzma",
"lzo",
"m3u",
"m4a",
"m4v",
"mar",
"mdi",
"mht",
"mid",
"midi",
"mj2",
"mka",
"mkv",
"mmr",
"mng",
"mobi",
"mov",
"movie",
"mp3",
"mp4",
"mp4a",
"mpeg",
"mpg",
"mpga",
"mxu",
"nef",
"npx",
"numbers",
"nupkg",
"o",
"odp",
"ods",
"odt",
"oga",
"ogg",
"ogv",
"otf",
"ott",
"pages",
"pbm",
"pcx",
"pdb",
"pdf",
"pea",
"pgm",
"pic",
"png",
"pnm",
"pot",
"potm",
"potx",
"ppa",
"ppam",
"ppm",
"pps",
"ppsm",
"ppsx",
"ppt",
"pptm",
"pptx",
"psd",
"pya",
"pyc",
"pyo",
"pyv",
"qt",
"rar",
"ras",
"raw",
"resources",
"rgb",
"rip",
"rlc",
"rmf",
"rmvb",
"rpm",
"rtf",
"rz",
"s3m",
"s7z",
"scpt",
"sgi",
"shar",
"snap",
"sil",
"sketch",
"slk",
"smv",
"snk",
"so",
"stl",
"suo",
"sub",
"swf",
"tar",
"tbz",
"tbz2",
"tga",
"tgz",
"thmx",
"tif",
"tiff",
"tlz",
"ttc",
"ttf",
"txz",
"udf",
"uvh",
"uvi",
"uvm",
"uvp",
"uvs",
"uvu",
"viv",
"vob",
"war",
"wav",
"wax",
"wbmp",
"wdp",
"weba",
"webm",
"webp",
"whl",
"wim",
"wm",
"wma",
"wmv",
"wmx",
"woff",
"woff2",
"wrm",
"wvx",
"xbm",
"xif",
"xla",
"xlam",
"xls",
"xlsb",
"xlsm",
"xlsx",
"xlt",
"xltm",
"xltx",
"xm",
"xmind",
"xpi",
"xpm",
"xwd",
"xz",
"z",
"zip",
"zipx"
];
(function (module) {
module.exports = require$$0;
} (binaryExtensions$1));
const path = require$$0$2;
const binaryExtensions = binaryExtensions$1.exports;
const extensions = new Set(binaryExtensions);
var isBinaryPath$1 = filePath => extensions.has(path.extname(filePath).slice(1).toLowerCase());
var constants = {};
(function (exports) {
const {sep} = require$$0$2;
const {platform} = process;
const os = require$$2$1;
exports.EV_ALL = 'all';
exports.EV_READY = 'ready';
exports.EV_ADD = 'add';
exports.EV_CHANGE = 'change';
exports.EV_ADD_DIR = 'addDir';
exports.EV_UNLINK = 'unlink';
exports.EV_UNLINK_DIR = 'unlinkDir';
exports.EV_RAW = 'raw';
exports.EV_ERROR = 'error';
exports.STR_DATA = 'data';
exports.STR_END = 'end';
exports.STR_CLOSE = 'close';
exports.FSEVENT_CREATED = 'created';
exports.FSEVENT_MODIFIED = 'modified';
exports.FSEVENT_DELETED = 'deleted';
exports.FSEVENT_MOVED = 'moved';
exports.FSEVENT_CLONED = 'cloned';
exports.FSEVENT_UNKNOWN = 'unknown';
exports.FSEVENT_TYPE_FILE = 'file';
exports.FSEVENT_TYPE_DIRECTORY = 'directory';
exports.FSEVENT_TYPE_SYMLINK = 'symlink';
exports.KEY_LISTENERS = 'listeners';
exports.KEY_ERR = 'errHandlers';
exports.KEY_RAW = 'rawEmitters';
exports.HANDLER_KEYS = [exports.KEY_LISTENERS, exports.KEY_ERR, exports.KEY_RAW];
exports.DOT_SLASH = `.${sep}`;
exports.BACK_SLASH_RE = /\\/g;
exports.DOUBLE_SLASH_RE = /\/\//;
exports.SLASH_OR_BACK_SLASH_RE = /[/\\]/;
exports.DOT_RE = /\..*\.(sw[px])$|~$|\.subl.*\.tmp/;
exports.REPLACER_RE = /^\.[/\\]/;
exports.SLASH = '/';
exports.SLASH_SLASH = '//';
exports.BRACE_START = '{';
exports.BANG = '!';
exports.ONE_DOT = '.';
exports.TWO_DOTS = '..';
exports.STAR = '*';
exports.GLOBSTAR = '**';
exports.ROOT_GLOBSTAR = '/**/*';
exports.SLASH_GLOBSTAR = '/**';
exports.DIR_SUFFIX = 'Dir';
exports.ANYMATCH_OPTS = {dot: true};
exports.STRING_TYPE = 'string';
exports.FUNCTION_TYPE = 'function';
exports.EMPTY_STR = '';
exports.EMPTY_FN = () => {};
exports.IDENTITY_FN = val => val;
exports.isWindows = platform === 'win32';
exports.isMacos = platform === 'darwin';
exports.isLinux = platform === 'linux';
exports.isIBMi = os.type() === 'OS400';
} (constants));
const fs$2 = require$$0$1;
const sysPath$2 = require$$0$2;
const { promisify: promisify$2 } = require$$2;
const isBinaryPath = isBinaryPath$1;
const {
isWindows: isWindows$1,
isLinux,
EMPTY_FN: EMPTY_FN$2,
EMPTY_STR: EMPTY_STR$1,
KEY_LISTENERS,
KEY_ERR,
KEY_RAW,
HANDLER_KEYS,
EV_CHANGE: EV_CHANGE$2,
EV_ADD: EV_ADD$2,
EV_ADD_DIR: EV_ADD_DIR$2,
EV_ERROR: EV_ERROR$2,
STR_DATA: STR_DATA$1,
STR_END: STR_END$2,
BRACE_START: BRACE_START$1,
STAR
} = constants;
const THROTTLE_MODE_WATCH = 'watch';
const open = promisify$2(fs$2.open);
const stat$2 = promisify$2(fs$2.stat);
const lstat$1 = promisify$2(fs$2.lstat);
const close = promisify$2(fs$2.close);
const fsrealpath = promisify$2(fs$2.realpath);
const statMethods$1 = { lstat: lstat$1, stat: stat$2 };
// TODO: emit errors properly. Example: EMFILE on Macos.
const foreach = (val, fn) => {
if (val instanceof Set) {
val.forEach(fn);
} else {
fn(val);
}
};
const addAndConvert = (main, prop, item) => {
let container = main[prop];
if (!(container instanceof Set)) {
main[prop] = container = new Set([container]);
}
container.add(item);
};
const clearItem = cont => key => {
const set = cont[key];
if (set instanceof Set) {
set.clear();
} else {
delete cont[key];
}
};
const delFromSet = (main, prop, item) => {
const container = main[prop];
if (container instanceof Set) {
container.delete(item);
} else if (container === item) {
delete main[prop];
}
};
const isEmptySet = (val) => val instanceof Set ? val.size === 0 : !val;
/**
* @typedef {String} Path
*/
// fs_watch helpers
// object to hold per-process fs_watch instances
// (may be shared across chokidar FSWatcher instances)
/**
* @typedef {Object} FsWatchContainer
* @property {Set} listeners
* @property {Set} errHandlers
* @property {Set} rawEmitters
* @property {fs.FSWatcher=} watcher
* @property {Boolean=} watcherUnusable
*/
/**
* @type {Map<String,FsWatchContainer>}
*/
const FsWatchInstances = new Map();
/**
* Instantiates the fs_watch interface
* @param {String} path to be watched
* @param {Object} options to be passed to fs_watch
* @param {Function} listener main event handler
* @param {Function} errHandler emits info about errors
* @param {Function} emitRaw emits raw event data
* @returns {fs.FSWatcher} new fsevents instance
*/
function createFsWatchInstance(path, options, listener, errHandler, emitRaw) {
const handleEvent = (rawEvent, evPath) => {
listener(path);
emitRaw(rawEvent, evPath, {watchedPath: path});
// emit based on events occurring for files from a directory's watcher in
// case the file's watcher misses it (and rely on throttling to de-dupe)
if (evPath && path !== evPath) {
fsWatchBroadcast(
sysPath$2.resolve(path, evPath), KEY_LISTENERS, sysPath$2.join(path, evPath)
);
}
};
try {
return fs$2.watch(path, options, handleEvent);
} catch (error) {
errHandler(error);
}
}
/**
* Helper for passing fs_watch event data to a collection of listeners
* @param {Path} fullPath absolute path bound to fs_watch instance
* @param {String} type listener type
* @param {*=} val1 arguments to be passed to listeners
* @param {*=} val2
* @param {*=} val3
*/
const fsWatchBroadcast = (fullPath, type, val1, val2, val3) => {
const cont = FsWatchInstances.get(fullPath);
if (!cont) return;
foreach(cont[type], (listener) => {
listener(val1, val2, val3);
});
};
/**
* Instantiates the fs_watch interface or binds listeners
* to an existing one covering the same file system entry
* @param {String} path
* @param {String} fullPath absolute path
* @param {Object} options to be passed to fs_watch
* @param {Object} handlers container for event listener functions
*/
const setFsWatchListener = (path, fullPath, options, handlers) => {
const {listener, errHandler, rawEmitter} = handlers;
let cont = FsWatchInstances.get(fullPath);
/** @type {fs.FSWatcher=} */
let watcher;
if (!options.persistent) {
watcher = createFsWatchInstance(
path, options, listener, errHandler, rawEmitter
);
return watcher.close.bind(watcher);
}
if (cont) {
addAndConvert(cont, KEY_LISTENERS, listener);
addAndConvert(cont, KEY_ERR, errHandler);
addAndConvert(cont, KEY_RAW, rawEmitter);
} else {
watcher = createFsWatchInstance(
path,
options,
fsWatchBroadcast.bind(null, fullPath, KEY_LISTENERS),
errHandler, // no need to use broadcast here
fsWatchBroadcast.bind(null, fullPath, KEY_RAW)
);
if (!watcher) return;
watcher.on(EV_ERROR$2, async (error) => {
const broadcastErr = fsWatchBroadcast.bind(null, fullPath, KEY_ERR);
cont.watcherUnusable = true; // documented since Node 10.4.1
// Workaround for https://github.com/joyent/node/issues/4337
if (isWindows$1 && error.code === 'EPERM') {
try {
const fd = await open(path, 'r');
await close(fd);
broadcastErr(error);
} catch (err) {}
} else {
broadcastErr(error);
}
});
cont = {
listeners: listener,
errHandlers: errHandler,
rawEmitters: rawEmitter,
watcher
};
FsWatchInstances.set(fullPath, cont);
}
// const index = cont.listeners.indexOf(listener);
// removes this instance's listeners and closes the underlying fs_watch
// instance if there are no more listeners left
return () => {
delFromSet(cont, KEY_LISTENERS, listener);
delFromSet(cont, KEY_ERR, errHandler);
delFromSet(cont, KEY_RAW, rawEmitter);
if (isEmptySet(cont.listeners)) {
// Check to protect against issue gh-730.
// if (cont.watcherUnusable) {
cont.watcher.close();
// }
FsWatchInstances.delete(fullPath);
HANDLER_KEYS.forEach(clearItem(cont));
cont.watcher = undefined;
Object.freeze(cont);
}
};
};
// fs_watchFile helpers
// object to hold per-process fs_watchFile instances
// (may be shared across chokidar FSWatcher instances)
const FsWatchFileInstances = new Map();
/**
* Instantiates the fs_watchFile interface or binds listeners
* to an existing one covering the same file system entry
* @param {String} path to be watched
* @param {String} fullPath absolute path
* @param {Object} options options to be passed to fs_watchFile
* @param {Object} handlers container for event listener functions
* @returns {Function} closer
*/
const setFsWatchFileListener = (path, fullPath, options, handlers) => {
const {listener, rawEmitter} = handlers;
let cont = FsWatchFileInstances.get(fullPath);
const copts = cont && cont.options;
if (copts && (copts.persistent < options.persistent || copts.interval > options.interval)) {
fs$2.unwatchFile(fullPath);
cont = undefined;
}
/* eslint-enable no-unused-vars, prefer-destructuring */
if (cont) {
addAndConvert(cont, KEY_LISTENERS, listener);
addAndConvert(cont, KEY_RAW, rawEmitter);
} else {
// TODO
// listeners.add(listener);
// rawEmitters.add(rawEmitter);
cont = {
listeners: listener,
rawEmitters: rawEmitter,
options,
watcher: fs$2.watchFile(fullPath, options, (curr, prev) => {
foreach(cont.rawEmitters, (rawEmitter) => {
rawEmitter(EV_CHANGE$2, fullPath, {curr, prev});
});
const currmtime = curr.mtimeMs;
if (curr.size !== prev.size || currmtime > prev.mtimeMs || currmtime === 0) {
foreach(cont.listeners, (listener) => listener(path, curr));
}
})
};
FsWatchFileInstances.set(fullPath, cont);
}
// const index = cont.listeners.indexOf(listener);
// Removes this instance's listeners and closes the underlying fs_watchFile
// instance if there are no more listeners left.
return () => {
delFromSet(cont, KEY_LISTENERS, listener);
delFromSet(cont, KEY_RAW, rawEmitter);
if (isEmptySet(cont.listeners)) {
FsWatchFileInstances.delete(fullPath);
fs$2.unwatchFile(fullPath);
cont.options = cont.watcher = undefined;
Object.freeze(cont);
}
};
};
/**
* @mixin
*/
class NodeFsHandler$1 {
/**
* @param {import("../index").FSWatcher} fsW
*/
constructor(fsW) {
this.fsw = fsW;
this._boundHandleError = (error) => fsW._handleError(error);
}
/**
* Watch file for changes with fs_watchFile or fs_watch.
* @param {String} path to file or dir
* @param {Function} listener on fs change
* @returns {Function} closer for the watcher instance
*/
_watchWithNodeFs(path, listener) {
const opts = this.fsw.options;
const directory = sysPath$2.dirname(path);
const basename = sysPath$2.basename(path);
const parent = this.fsw._getWatchedDir(directory);
parent.add(basename);
const absolutePath = sysPath$2.resolve(path);
const options = {persistent: opts.persistent};
if (!listener) listener = EMPTY_FN$2;
let closer;
if (opts.usePolling) {
options.interval = opts.enableBinaryInterval && isBinaryPath(basename) ?
opts.binaryInterval : opts.interval;
closer = setFsWatchFileListener(path, absolutePath, options, {
listener,
rawEmitter: this.fsw._emitRaw
});
} else {
closer = setFsWatchListener(path, absolutePath, options, {
listener,
errHandler: this._boundHandleError,
rawEmitter: this.fsw._emitRaw
});
}
return closer;
}
/**
* Watch a file and emit add event if warranted.
* @param {Path} file Path
* @param {fs.Stats} stats result of fs_stat
* @param {Boolean} initialAdd was the file added at watch instantiation?
* @returns {Function} closer for the watcher instance
*/
_handleFile(file, stats, initialAdd) {
if (this.fsw.closed) {
return;
}
const dirname = sysPath$2.dirname(file);
const basename = sysPath$2.basename(file);
const parent = this.fsw._getWatchedDir(dirname);
// stats is always present
let prevStats = stats;
// if the file is already being watched, do nothing
if (parent.has(basename)) return;
const listener = async (path, newStats) => {
if (!this.fsw._throttle(THROTTLE_MODE_WATCH, file, 5)) return;
if (!newStats || newStats.mtimeMs === 0) {
try {
const newStats = await stat$2(file);
if (this.fsw.closed) return;
// Check that change event was not fired because of changed only accessTime.
const at = newStats.atimeMs;
const mt = newStats.mtimeMs;
if (!at || at <= mt || mt !== prevStats.mtimeMs) {
this.fsw._emit(EV_CHANGE$2, file, newStats);
}
if (isLinux && prevStats.ino !== newStats.ino) {
this.fsw._closeFile(path);
prevStats = newStats;
this.fsw._addPathCloser(path, this._watchWithNodeFs(file, listener));
} else {
prevStats = newStats;
}
} catch (error) {
// Fix issues where mtime is null but file is still present
this.fsw._remove(dirname, basename);
}
// add is about to be emitted if file not already tracked in parent
} else if (parent.has(basename)) {
// Check that change event was not fired because of changed only accessTime.
const at = newStats.atimeMs;
const mt = newStats.mtimeMs;
if (!at || at <= mt || mt !== prevStats.mtimeMs) {
this.fsw._emit(EV_CHANGE$2, file, newStats);
}
prevStats = newStats;
}
};
// kick off the watcher
const closer = this._watchWithNodeFs(file, listener);
// emit an add event if we're supposed to
if (!(initialAdd && this.fsw.options.ignoreInitial) && this.fsw._isntIgnored(file)) {
if (!this.fsw._throttle(EV_ADD$2, file, 0)) return;
this.fsw._emit(EV_ADD$2, file, stats);
}
return closer;
}
/**
* Handle symlinks encountered while reading a dir.
* @param {Object} entry returned by readdirp
* @param {String} directory path of dir being read
* @param {String} path of this item
* @param {String} item basename of this item
* @returns {Promise<Boolean>} true if no more processing is needed for this entry.
*/
async _handleSymlink(entry, directory, path, item) {
if (this.fsw.closed) {
return;
}
const full = entry.fullPath;
const dir = this.fsw._getWatchedDir(directory);
if (!this.fsw.options.followSymlinks) {
// watch symlink directly (don't follow) and detect changes
this.fsw._incrReadyCount();
let linkPath;
try {
linkPath = await fsrealpath(path);
} catch (e) {
this.fsw._emitReady();
return true;
}
if (this.fsw.closed) return;
if (dir.has(item)) {
if (this.fsw._symlinkPaths.get(full) !== linkPath) {
this.fsw._symlinkPaths.set(full, linkPath);
this.fsw._emit(EV_CHANGE$2, path, entry.stats);
}
} else {
dir.add(item);
this.fsw._symlinkPaths.set(full, linkPath);
this.fsw._emit(EV_ADD$2, path, entry.stats);
}
this.fsw._emitReady();
return true;
}
// don't follow the same symlink more than once
if (this.fsw._symlinkPaths.has(full)) {
return true;
}
this.fsw._symlinkPaths.set(full, true);
}
_handleRead(directory, initialAdd, wh, target, dir, depth, throttler) {
// Normalize the directory name on Windows
directory = sysPath$2.join(directory, EMPTY_STR$1);
if (!wh.hasGlob) {
throttler = this.fsw._throttle('readdir', directory, 1000);
if (!throttler) return;
}
const previous = this.fsw._getWatchedDir(wh.path);
const current = new Set();
let stream = this.fsw._readdirp(directory, {
fileFilter: entry => wh.filterPath(entry),
directoryFilter: entry => wh.filterDir(entry),
depth: 0
}).on(STR_DATA$1, async (entry) => {
if (this.fsw.closed) {
stream = undefined;
return;
}
const item = entry.path;
let path = sysPath$2.join(directory, item);
current.add(item);
if (entry.stats.isSymbolicLink() && await this._handleSymlink(entry, directory, path, item)) {
return;
}
if (this.fsw.closed) {
stream = undefined;
return;
}
// Files that present in current directory snapshot
// but absent in previous are added to watch list and
// emit `add` event.
if (item === target || !target && !previous.has(item)) {
this.fsw._incrReadyCount();
// ensure relativeness of path is preserved in case of watcher reuse
path = sysPath$2.join(dir, sysPath$2.relative(dir, path));
this._addToNodeFs(path, initialAdd, wh, depth + 1);
}
}).on(EV_ERROR$2, this._boundHandleError);
return new Promise(resolve =>
stream.once(STR_END$2, () => {
if (this.fsw.closed) {
stream = undefined;
return;
}
const wasThrottled = throttler ? throttler.clear() : false;
resolve();
// Files that absent in current directory snapshot
// but present in previous emit `remove` event
// and are removed from @watched[directory].
previous.getChildren().filter((item) => {
return item !== directory &&
!current.has(item) &&
// in case of intersecting globs;
// a path may have been filtered out of this readdir, but
// shouldn't be removed because it matches a different glob
(!wh.hasGlob || wh.filterPath({
fullPath: sysPath$2.resolve(directory, item)
}));
}).forEach((item) => {
this.fsw._remove(directory, item);
});
stream = undefined;
// one more time for any missed in case changes came in extremely quickly
if (wasThrottled) this._handleRead(directory, false, wh, target, dir, depth, throttler);
})
);
}
/**
* Read directory to add / remove files from `@watched` list and re-read it on change.
* @param {String} dir fs path
* @param {fs.Stats} stats
* @param {Boolean} initialAdd
* @param {Number} depth relative to user-supplied path
* @param {String} target child path targeted for watch
* @param {Object} wh Common watch helpers for this path
* @param {String} realpath
* @returns {Promise<Function>} closer for the watcher instance.
*/
async _handleDir(dir, stats, initialAdd, depth, target, wh, realpath) {
const parentDir = this.fsw._getWatchedDir(sysPath$2.dirname(dir));
const tracked = parentDir.has(sysPath$2.basename(dir));
if (!(initialAdd && this.fsw.options.ignoreInitial) && !target && !tracked) {
if (!wh.hasGlob || wh.globFilter(dir)) this.fsw._emit(EV_ADD_DIR$2, dir, stats);
}
// ensure dir is tracked (harmless if redundant)
parentDir.add(sysPath$2.basename(dir));
this.fsw._getWatchedDir(dir);
let throttler;
let closer;
const oDepth = this.fsw.options.depth;
if ((oDepth == null || depth <= oDepth) && !this.fsw._symlinkPaths.has(realpath)) {
if (!target) {
await this._handleRead(dir, initialAdd, wh, target, dir, depth, throttler);
if (this.fsw.closed) return;
}
closer = this._watchWithNodeFs(dir, (dirPath, stats) => {
// if current directory is removed, do nothing
if (stats && stats.mtimeMs === 0) return;
this._handleRead(dirPath, false, wh, target, dir, depth, throttler);
});
}
return closer;
}
/**
* Handle added file, directory, or glob pattern.
* Delegates call to _handleFile / _handleDir after checks.
* @param {String} path to file or ir
* @param {Boolean} initialAdd was the file added at watch instantiation?
* @param {Object} priorWh depth relative to user-supplied path
* @param {Number} depth Child path actually targeted for watch
* @param {String=} target Child path actually targeted for watch
* @returns {Promise}
*/
async _addToNodeFs(path, initialAdd, priorWh, depth, target) {
const ready = this.fsw._emitReady;
if (this.fsw._isIgnored(path) || this.fsw.closed) {
ready();
return false;
}
const wh = this.fsw._getWatchHelpers(path, depth);
if (!wh.hasGlob && priorWh) {
wh.hasGlob = priorWh.hasGlob;
wh.globFilter = priorWh.globFilter;
wh.filterPath = entry => priorWh.filterPath(entry);
wh.filterDir = entry => priorWh.filterDir(entry);
}
// evaluate what is at the path we're being asked to watch
try {
const stats = await statMethods$1[wh.statMethod](wh.watchPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(wh.watchPath, stats)) {
ready();
return false;
}
const follow = this.fsw.options.followSymlinks && !path.includes(STAR) && !path.includes(BRACE_START$1);
let closer;
if (stats.isDirectory()) {
const absPath = sysPath$2.resolve(path);
const targetPath = follow ? await fsrealpath(path) : path;
if (this.fsw.closed) return;
closer = await this._handleDir(wh.watchPath, stats, initialAdd, depth, target, wh, targetPath);
if (this.fsw.closed) return;
// preserve this symlink's target path
if (absPath !== targetPath && targetPath !== undefined) {
this.fsw._symlinkPaths.set(absPath, targetPath);
}
} else if (stats.isSymbolicLink()) {
const targetPath = follow ? await fsrealpath(path) : path;
if (this.fsw.closed) return;
const parent = sysPath$2.dirname(wh.watchPath);
this.fsw._getWatchedDir(parent).add(wh.watchPath);
this.fsw._emit(EV_ADD$2, wh.watchPath, stats);
closer = await this._handleDir(parent, stats, initialAdd, depth, path, wh, targetPath);
if (this.fsw.closed) return;
// preserve this symlink's target path
if (targetPath !== undefined) {
this.fsw._symlinkPaths.set(sysPath$2.resolve(path), targetPath);
}
} else {
closer = this._handleFile(wh.watchPath, stats, initialAdd);
}
ready();
this.fsw._addPathCloser(path, closer);
return false;
} catch (error) {
if (this.fsw._handleError(error)) {
ready();
return path;
}
}
}
}
var nodefsHandler = NodeFsHandler$1;
var fseventsHandler = {exports: {}};
const require$$3 = /*@__PURE__*/getAugmentedNamespace(fseventsImporter);
const fs$1 = require$$0$1;
const sysPath$1 = require$$0$2;
const { promisify: promisify$1 } = require$$2;
let fsevents;
try {
fsevents = require$$3.getFsEvents();
} catch (error) {
if (process.env.CHOKIDAR_PRINT_FSEVENTS_REQUIRE_ERROR) console.error(error);
}
if (fsevents) {
// TODO: real check
const mtch = process.version.match(/v(\d+)\.(\d+)/);
if (mtch && mtch[1] && mtch[2]) {
const maj = Number.parseInt(mtch[1], 10);
const min = Number.parseInt(mtch[2], 10);
if (maj === 8 && min < 16) {
fsevents = undefined;
}
}
}
const {
EV_ADD: EV_ADD$1,
EV_CHANGE: EV_CHANGE$1,
EV_ADD_DIR: EV_ADD_DIR$1,
EV_UNLINK: EV_UNLINK$1,
EV_ERROR: EV_ERROR$1,
STR_DATA,
STR_END: STR_END$1,
FSEVENT_CREATED,
FSEVENT_MODIFIED,
FSEVENT_DELETED,
FSEVENT_MOVED,
// FSEVENT_CLONED,
FSEVENT_UNKNOWN,
FSEVENT_TYPE_FILE,
FSEVENT_TYPE_DIRECTORY,
FSEVENT_TYPE_SYMLINK,
ROOT_GLOBSTAR,
DIR_SUFFIX,
DOT_SLASH,
FUNCTION_TYPE: FUNCTION_TYPE$1,
EMPTY_FN: EMPTY_FN$1,
IDENTITY_FN
} = constants;
const Depth = (value) => isNaN(value) ? {} : {depth: value};
const stat$1 = promisify$1(fs$1.stat);
const lstat = promisify$1(fs$1.lstat);
const realpath = promisify$1(fs$1.realpath);
const statMethods = { stat: stat$1, lstat };
/**
* @typedef {String} Path
*/
/**
* @typedef {Object} FsEventsWatchContainer
* @property {Set<Function>} listeners
* @property {Function} rawEmitter
* @property {{stop: Function}} watcher
*/
// fsevents instance helper functions
/**
* Object to hold per-process fsevents instances (may be shared across chokidar FSWatcher instances)
* @type {Map<Path,FsEventsWatchContainer>}
*/
const FSEventsWatchers = new Map();
// Threshold of duplicate path prefixes at which to start
// consolidating going forward
const consolidateThreshhold = 10;
const wrongEventFlags = new Set([
69888, 70400, 71424, 72704, 73472, 131328, 131840, 262912
]);
/**
* Instantiates the fsevents interface
* @param {Path} path path to be watched
* @param {Function} callback called when fsevents is bound and ready
* @returns {{stop: Function}} new fsevents instance
*/
const createFSEventsInstance = (path, callback) => {
const stop = fsevents.watch(path, callback);
return {stop};
};
/**
* Instantiates the fsevents interface or binds listeners to an existing one covering
* the same file tree.
* @param {Path} path - to be watched
* @param {Path} realPath - real path for symlinks
* @param {Function} listener - called when fsevents emits events
* @param {Function} rawEmitter - passes data to listeners of the 'raw' event
* @returns {Function} closer
*/
function setFSEventsListener(path, realPath, listener, rawEmitter) {
let watchPath = sysPath$1.extname(realPath) ? sysPath$1.dirname(realPath) : realPath;
const parentPath = sysPath$1.dirname(watchPath);
let cont = FSEventsWatchers.get(watchPath);
// If we've accumulated a substantial number of paths that
// could have been consolidated by watching one directory
// above the current one, create a watcher on the parent
// path instead, so that we do consolidate going forward.
if (couldConsolidate(parentPath)) {
watchPath = parentPath;
}
const resolvedPath = sysPath$1.resolve(path);
const hasSymlink = resolvedPath !== realPath;
const filteredListener = (fullPath, flags, info) => {
if (hasSymlink) fullPath = fullPath.replace(realPath, resolvedPath);
if (
fullPath === resolvedPath ||
!fullPath.indexOf(resolvedPath + sysPath$1.sep)
) listener(fullPath, flags, info);
};
// check if there is already a watcher on a parent path
// modifies `watchPath` to the parent path when it finds a match
let watchedParent = false;
for (const watchedPath of FSEventsWatchers.keys()) {
if (realPath.indexOf(sysPath$1.resolve(watchedPath) + sysPath$1.sep) === 0) {
watchPath = watchedPath;
cont = FSEventsWatchers.get(watchPath);
watchedParent = true;
break;
}
}
if (cont || watchedParent) {
cont.listeners.add(filteredListener);
} else {
cont = {
listeners: new Set([filteredListener]),
rawEmitter,
watcher: createFSEventsInstance(watchPath, (fullPath, flags) => {
if (!cont.listeners.size) return;
const info = fsevents.getInfo(fullPath, flags);
cont.listeners.forEach(list => {
list(fullPath, flags, info);
});
cont.rawEmitter(info.event, fullPath, info);
})
};
FSEventsWatchers.set(watchPath, cont);
}
// removes this instance's listeners and closes the underlying fsevents
// instance if there are no more listeners left
return () => {
const lst = cont.listeners;
lst.delete(filteredListener);
if (!lst.size) {
FSEventsWatchers.delete(watchPath);
if (cont.watcher) return cont.watcher.stop().then(() => {
cont.rawEmitter = cont.watcher = undefined;
Object.freeze(cont);
});
}
};
}
// Decide whether or not we should start a new higher-level
// parent watcher
const couldConsolidate = (path) => {
let count = 0;
for (const watchPath of FSEventsWatchers.keys()) {
if (watchPath.indexOf(path) === 0) {
count++;
if (count >= consolidateThreshhold) {
return true;
}
}
}
return false;
};
// returns boolean indicating whether fsevents can be used
const canUse = () => fsevents && FSEventsWatchers.size < 128;
// determines subdirectory traversal levels from root to path
const calcDepth = (path, root) => {
let i = 0;
while (!path.indexOf(root) && (path = sysPath$1.dirname(path)) !== root) i++;
return i;
};
// returns boolean indicating whether the fsevents' event info has the same type
// as the one returned by fs.stat
const sameTypes = (info, stats) => (
info.type === FSEVENT_TYPE_DIRECTORY && stats.isDirectory() ||
info.type === FSEVENT_TYPE_SYMLINK && stats.isSymbolicLink() ||
info.type === FSEVENT_TYPE_FILE && stats.isFile()
);
/**
* @mixin
*/
class FsEventsHandler$1 {
/**
* @param {import('../index').FSWatcher} fsw
*/
constructor(fsw) {
this.fsw = fsw;
}
checkIgnored(path, stats) {
const ipaths = this.fsw._ignoredPaths;
if (this.fsw._isIgnored(path, stats)) {
ipaths.add(path);
if (stats && stats.isDirectory()) {
ipaths.add(path + ROOT_GLOBSTAR);
}
return true;
}
ipaths.delete(path);
ipaths.delete(path + ROOT_GLOBSTAR);
}
addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts) {
const event = watchedDir.has(item) ? EV_CHANGE$1 : EV_ADD$1;
this.handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
async checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts) {
try {
const stats = await stat$1(path);
if (this.fsw.closed) return;
if (sameTypes(info, stats)) {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK$1, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} catch (error) {
if (error.code === 'EACCES') {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK$1, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
}
}
handleEvent(event, path, fullPath, realPath, parent, watchedDir, item, info, opts) {
if (this.fsw.closed || this.checkIgnored(path)) return;
if (event === EV_UNLINK$1) {
const isDirectory = info.type === FSEVENT_TYPE_DIRECTORY;
// suppress unlink events on never before seen files
if (isDirectory || watchedDir.has(item)) {
this.fsw._remove(parent, item, isDirectory);
}
} else {
if (event === EV_ADD$1) {
// track new directories
if (info.type === FSEVENT_TYPE_DIRECTORY) this.fsw._getWatchedDir(path);
if (info.type === FSEVENT_TYPE_SYMLINK && opts.followSymlinks) {
// push symlinks back to the top of the stack to get handled
const curDepth = opts.depth === undefined ?
undefined : calcDepth(fullPath, realPath) + 1;
return this._addToFsEvents(path, false, true, curDepth);
}
// track new paths
// (other than symlinks being followed, which will be tracked soon)
this.fsw._getWatchedDir(parent).add(item);
}
/**
* @type {'add'|'addDir'|'unlink'|'unlinkDir'}
*/
const eventName = info.type === FSEVENT_TYPE_DIRECTORY ? event + DIR_SUFFIX : event;
this.fsw._emit(eventName, path);
if (eventName === EV_ADD_DIR$1) this._addToFsEvents(path, false, true);
}
}
/**
* Handle symlinks encountered during directory scan
* @param {String} watchPath - file/dir path to be watched with fsevents
* @param {String} realPath - real path (in case of symlinks)
* @param {Function} transform - path transformer
* @param {Function} globFilter - path filter in case a glob pattern was provided
* @returns {Function} closer for the watcher instance
*/
_watchWithFsEvents(watchPath, realPath, transform, globFilter) {
if (this.fsw.closed || this.fsw._isIgnored(watchPath)) return;
const opts = this.fsw.options;
const watchCallback = async (fullPath, flags, info) => {
if (this.fsw.closed) return;
if (
opts.depth !== undefined &&
calcDepth(fullPath, realPath) > opts.depth
) return;
const path = transform(sysPath$1.join(
watchPath, sysPath$1.relative(watchPath, fullPath)
));
if (globFilter && !globFilter(path)) return;
// ensure directories are tracked
const parent = sysPath$1.dirname(path);
const item = sysPath$1.basename(path);
const watchedDir = this.fsw._getWatchedDir(
info.type === FSEVENT_TYPE_DIRECTORY ? path : parent
);
// correct for wrong events emitted
if (wrongEventFlags.has(flags) || info.event === FSEVENT_UNKNOWN) {
if (typeof opts.ignored === FUNCTION_TYPE$1) {
let stats;
try {
stats = await stat$1(path);
} catch (error) {}
if (this.fsw.closed) return;
if (this.checkIgnored(path, stats)) return;
if (sameTypes(info, stats)) {
this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
} else {
this.handleEvent(EV_UNLINK$1, path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} else {
this.checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
} else {
switch (info.event) {
case FSEVENT_CREATED:
case FSEVENT_MODIFIED:
return this.addOrChange(path, fullPath, realPath, parent, watchedDir, item, info, opts);
case FSEVENT_DELETED:
case FSEVENT_MOVED:
return this.checkExists(path, fullPath, realPath, parent, watchedDir, item, info, opts);
}
}
};
const closer = setFSEventsListener(
watchPath,
realPath,
watchCallback,
this.fsw._emitRaw
);
this.fsw._emitReady();
return closer;
}
/**
* Handle symlinks encountered during directory scan
* @param {String} linkPath path to symlink
* @param {String} fullPath absolute path to the symlink
* @param {Function} transform pre-existing path transformer
* @param {Number} curDepth level of subdirectories traversed to where symlink is
* @returns {Promise<void>}
*/
async _handleFsEventsSymlink(linkPath, fullPath, transform, curDepth) {
// don't follow the same symlink more than once
if (this.fsw.closed || this.fsw._symlinkPaths.has(fullPath)) return;
this.fsw._symlinkPaths.set(fullPath, true);
this.fsw._incrReadyCount();
try {
const linkTarget = await realpath(linkPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(linkTarget)) {
return this.fsw._emitReady();
}
this.fsw._incrReadyCount();
// add the linkTarget for watching with a wrapper for transform
// that causes emitted paths to incorporate the link's path
this._addToFsEvents(linkTarget || linkPath, (path) => {
let aliasedPath = linkPath;
if (linkTarget && linkTarget !== DOT_SLASH) {
aliasedPath = path.replace(linkTarget, linkPath);
} else if (path !== DOT_SLASH) {
aliasedPath = sysPath$1.join(linkPath, path);
}
return transform(aliasedPath);
}, false, curDepth);
} catch(error) {
if (this.fsw._handleError(error)) {
return this.fsw._emitReady();
}
}
}
/**
*
* @param {Path} newPath
* @param {fs.Stats} stats
*/
emitAdd(newPath, stats, processPath, opts, forceAdd) {
const pp = processPath(newPath);
const isDir = stats.isDirectory();
const dirObj = this.fsw._getWatchedDir(sysPath$1.dirname(pp));
const base = sysPath$1.basename(pp);
// ensure empty dirs get tracked
if (isDir) this.fsw._getWatchedDir(pp);
if (dirObj.has(base)) return;
dirObj.add(base);
if (!opts.ignoreInitial || forceAdd === true) {
this.fsw._emit(isDir ? EV_ADD_DIR$1 : EV_ADD$1, pp, stats);
}
}
initWatch(realPath, path, wh, processPath) {
if (this.fsw.closed) return;
const closer = this._watchWithFsEvents(
wh.watchPath,
sysPath$1.resolve(realPath || wh.watchPath),
processPath,
wh.globFilter
);
this.fsw._addPathCloser(path, closer);
}
/**
* Handle added path with fsevents
* @param {String} path file/dir path or glob pattern
* @param {Function|Boolean=} transform converts working path to what the user expects
* @param {Boolean=} forceAdd ensure add is emitted
* @param {Number=} priorDepth Level of subdirectories already traversed.
* @returns {Promise<void>}
*/
async _addToFsEvents(path, transform, forceAdd, priorDepth) {
if (this.fsw.closed) {
return;
}
const opts = this.fsw.options;
const processPath = typeof transform === FUNCTION_TYPE$1 ? transform : IDENTITY_FN;
const wh = this.fsw._getWatchHelpers(path);
// evaluate what is at the path we're being asked to watch
try {
const stats = await statMethods[wh.statMethod](wh.watchPath);
if (this.fsw.closed) return;
if (this.fsw._isIgnored(wh.watchPath, stats)) {
throw null;
}
if (stats.isDirectory()) {
// emit addDir unless this is a glob parent
if (!wh.globFilter) this.emitAdd(processPath(path), stats, processPath, opts, forceAdd);
// don't recurse further if it would exceed depth setting
if (priorDepth && priorDepth > opts.depth) return;
// scan the contents of the dir
this.fsw._readdirp(wh.watchPath, {
fileFilter: entry => wh.filterPath(entry),
directoryFilter: entry => wh.filterDir(entry),
...Depth(opts.depth - (priorDepth || 0))
}).on(STR_DATA, (entry) => {
// need to check filterPath on dirs b/c filterDir is less restrictive
if (this.fsw.closed) {
return;
}
if (entry.stats.isDirectory() && !wh.filterPath(entry)) return;
const joinedPath = sysPath$1.join(wh.watchPath, entry.path);
const {fullPath} = entry;
if (wh.followSymlinks && entry.stats.isSymbolicLink()) {
// preserve the current depth here since it can't be derived from
// real paths past the symlink
const curDepth = opts.depth === undefined ?
undefined : calcDepth(joinedPath, sysPath$1.resolve(wh.watchPath)) + 1;
this._handleFsEventsSymlink(joinedPath, fullPath, processPath, curDepth);
} else {
this.emitAdd(joinedPath, entry.stats, processPath, opts, forceAdd);
}
}).on(EV_ERROR$1, EMPTY_FN$1).on(STR_END$1, () => {
this.fsw._emitReady();
});
} else {
this.emitAdd(wh.watchPath, stats, processPath, opts, forceAdd);
this.fsw._emitReady();
}
} catch (error) {
if (!error || this.fsw._handleError(error)) {
// TODO: Strange thing: "should not choke on an ignored watch path" will be failed without 2 ready calls -__-
this.fsw._emitReady();
this.fsw._emitReady();
}
}
if (opts.persistent && forceAdd !== true) {
if (typeof transform === FUNCTION_TYPE$1) {
// realpath has already been resolved
this.initWatch(undefined, path, wh, processPath);
} else {
let realPath;
try {
realPath = await realpath(wh.watchPath);
} catch (e) {}
this.initWatch(realPath, path, wh, processPath);
}
}
}
}
fseventsHandler.exports = FsEventsHandler$1;
fseventsHandler.exports.canUse = canUse;
const { EventEmitter } = require$$0$3;
const fs = require$$0$1;
const sysPath = require$$0$2;
const { promisify } = require$$2;
const readdirp = readdirp_1;
const anymatch = anymatch$2.exports.default;
const globParent = globParent$1;
const isGlob = isGlob$2;
const braces = braces_1;
const normalizePath = normalizePath$2;
const NodeFsHandler = nodefsHandler;
const FsEventsHandler = fseventsHandler.exports;
const {
EV_ALL,
EV_READY,
EV_ADD,
EV_CHANGE,
EV_UNLINK,
EV_ADD_DIR,
EV_UNLINK_DIR,
EV_RAW,
EV_ERROR,
STR_CLOSE,
STR_END,
BACK_SLASH_RE,
DOUBLE_SLASH_RE,
SLASH_OR_BACK_SLASH_RE,
DOT_RE,
REPLACER_RE,
SLASH,
SLASH_SLASH,
BRACE_START,
BANG,
ONE_DOT,
TWO_DOTS,
GLOBSTAR,
SLASH_GLOBSTAR,
ANYMATCH_OPTS,
STRING_TYPE,
FUNCTION_TYPE,
EMPTY_STR,
EMPTY_FN,
isWindows,
isMacos,
isIBMi
} = constants;
const stat = promisify(fs.stat);
const readdir = promisify(fs.readdir);
/**
* @typedef {String} Path
* @typedef {'all'|'add'|'addDir'|'change'|'unlink'|'unlinkDir'|'raw'|'error'|'ready'} EventName
* @typedef {'readdir'|'watch'|'add'|'remove'|'change'} ThrottleType
*/
/**
*
* @typedef {Object} WatchHelpers
* @property {Boolean} followSymlinks
* @property {'stat'|'lstat'} statMethod
* @property {Path} path
* @property {Path} watchPath
* @property {Function} entryPath
* @property {Boolean} hasGlob
* @property {Object} globFilter
* @property {Function} filterPath
* @property {Function} filterDir
*/
const arrify = (value = []) => Array.isArray(value) ? value : [value];
const flatten = (list, result = []) => {
list.forEach(item => {
if (Array.isArray(item)) {
flatten(item, result);
} else {
result.push(item);
}
});
return result;
};
const unifyPaths = (paths_) => {
/**
* @type {Array<String>}
*/
const paths = flatten(arrify(paths_));
if (!paths.every(p => typeof p === STRING_TYPE)) {
throw new TypeError(`Non-string provided as watch path: ${paths}`);
}
return paths.map(normalizePathToUnix);
};
// If SLASH_SLASH occurs at the beginning of path, it is not replaced
// because "//StoragePC/DrivePool/Movies" is a valid network path
const toUnix = (string) => {
let str = string.replace(BACK_SLASH_RE, SLASH);
let prepend = false;
if (str.startsWith(SLASH_SLASH)) {
prepend = true;
}
while (str.match(DOUBLE_SLASH_RE)) {
str = str.replace(DOUBLE_SLASH_RE, SLASH);
}
if (prepend) {
str = SLASH + str;
}
return str;
};
// Our version of upath.normalize
// TODO: this is not equal to path-normalize module - investigate why
const normalizePathToUnix = (path) => toUnix(sysPath.normalize(toUnix(path)));
const normalizeIgnored = (cwd = EMPTY_STR) => (path) => {
if (typeof path !== STRING_TYPE) return path;
return normalizePathToUnix(sysPath.isAbsolute(path) ? path : sysPath.join(cwd, path));
};
const getAbsolutePath = (path, cwd) => {
if (sysPath.isAbsolute(path)) {
return path;
}
if (path.startsWith(BANG)) {
return BANG + sysPath.join(cwd, path.slice(1));
}
return sysPath.join(cwd, path);
};
const undef = (opts, key) => opts[key] === undefined;
/**
* Directory entry.
* @property {Path} path
* @property {Set<Path>} items
*/
class DirEntry {
/**
* @param {Path} dir
* @param {Function} removeWatcher
*/
constructor(dir, removeWatcher) {
this.path = dir;
this._removeWatcher = removeWatcher;
/** @type {Set<Path>} */
this.items = new Set();
}
add(item) {
const {items} = this;
if (!items) return;
if (item !== ONE_DOT && item !== TWO_DOTS) items.add(item);
}
async remove(item) {
const {items} = this;
if (!items) return;
items.delete(item);
if (items.size > 0) return;
const dir = this.path;
try {
await readdir(dir);
} catch (err) {
if (this._removeWatcher) {
this._removeWatcher(sysPath.dirname(dir), sysPath.basename(dir));
}
}
}
has(item) {
const {items} = this;
if (!items) return;
return items.has(item);
}
/**
* @returns {Array<String>}
*/
getChildren() {
const {items} = this;
if (!items) return;
return [...items.values()];
}
dispose() {
this.items.clear();
delete this.path;
delete this._removeWatcher;
delete this.items;
Object.freeze(this);
}
}
const STAT_METHOD_F = 'stat';
const STAT_METHOD_L = 'lstat';
class WatchHelper {
constructor(path, watchPath, follow, fsw) {
this.fsw = fsw;
this.path = path = path.replace(REPLACER_RE, EMPTY_STR);
this.watchPath = watchPath;
this.fullWatchPath = sysPath.resolve(watchPath);
this.hasGlob = watchPath !== path;
/** @type {object|boolean} */
if (path === EMPTY_STR) this.hasGlob = false;
this.globSymlink = this.hasGlob && follow ? undefined : false;
this.globFilter = this.hasGlob ? anymatch(path, undefined, ANYMATCH_OPTS) : false;
this.dirParts = this.getDirParts(path);
this.dirParts.forEach((parts) => {
if (parts.length > 1) parts.pop();
});
this.followSymlinks = follow;
this.statMethod = follow ? STAT_METHOD_F : STAT_METHOD_L;
}
checkGlobSymlink(entry) {
// only need to resolve once
// first entry should always have entry.parentDir === EMPTY_STR
if (this.globSymlink === undefined) {
this.globSymlink = entry.fullParentDir === this.fullWatchPath ?
false : {realPath: entry.fullParentDir, linkPath: this.fullWatchPath};
}
if (this.globSymlink) {
return entry.fullPath.replace(this.globSymlink.realPath, this.globSymlink.linkPath);
}
return entry.fullPath;
}
entryPath(entry) {
return sysPath.join(this.watchPath,
sysPath.relative(this.watchPath, this.checkGlobSymlink(entry))
);
}
filterPath(entry) {
const {stats} = entry;
if (stats && stats.isSymbolicLink()) return this.filterDir(entry);
const resolvedPath = this.entryPath(entry);
const matchesGlob = this.hasGlob && typeof this.globFilter === FUNCTION_TYPE ?
this.globFilter(resolvedPath) : true;
return matchesGlob &&
this.fsw._isntIgnored(resolvedPath, stats) &&
this.fsw._hasReadPermissions(stats);
}
getDirParts(path) {
if (!this.hasGlob) return [];
const parts = [];
const expandedPath = path.includes(BRACE_START) ? braces.expand(path) : [path];
expandedPath.forEach((path) => {
parts.push(sysPath.relative(this.watchPath, path).split(SLASH_OR_BACK_SLASH_RE));
});
return parts;
}
filterDir(entry) {
if (this.hasGlob) {
const entryParts = this.getDirParts(this.checkGlobSymlink(entry));
let globstar = false;
this.unmatchedGlob = !this.dirParts.some((parts) => {
return parts.every((part, i) => {
if (part === GLOBSTAR) globstar = true;
return globstar || !entryParts[0][i] || anymatch(part, entryParts[0][i], ANYMATCH_OPTS);
});
});
}
return !this.unmatchedGlob && this.fsw._isntIgnored(this.entryPath(entry), entry.stats);
}
}
/**
* Watches files & directories for changes. Emitted events:
* `add`, `addDir`, `change`, `unlink`, `unlinkDir`, `all`, `error`
*
* new FSWatcher()
* .add(directories)
* .on('add', path => log('File', path, 'was added'))
*/
class FSWatcher extends EventEmitter {
// Not indenting methods for history sake; for now.
constructor(_opts) {
super();
const opts = {};
if (_opts) Object.assign(opts, _opts); // for frozen objects
/** @type {Map<String, DirEntry>} */
this._watched = new Map();
/** @type {Map<String, Array>} */
this._closers = new Map();
/** @type {Set<String>} */
this._ignoredPaths = new Set();
/** @type {Map<ThrottleType, Map>} */
this._throttled = new Map();
/** @type {Map<Path, String|Boolean>} */
this._symlinkPaths = new Map();
this._streams = new Set();
this.closed = false;
// Set up default options.
if (undef(opts, 'persistent')) opts.persistent = true;
if (undef(opts, 'ignoreInitial')) opts.ignoreInitial = false;
if (undef(opts, 'ignorePermissionErrors')) opts.ignorePermissionErrors = false;
if (undef(opts, 'interval')) opts.interval = 100;
if (undef(opts, 'binaryInterval')) opts.binaryInterval = 300;
if (undef(opts, 'disableGlobbing')) opts.disableGlobbing = false;
opts.enableBinaryInterval = opts.binaryInterval !== opts.interval;
// Enable fsevents on OS X when polling isn't explicitly enabled.
if (undef(opts, 'useFsEvents')) opts.useFsEvents = !opts.usePolling;
// If we can't use fsevents, ensure the options reflect it's disabled.
const canUseFsEvents = FsEventsHandler.canUse();
if (!canUseFsEvents) opts.useFsEvents = false;
// Use polling on Mac if not using fsevents.
// Other platforms use non-polling fs_watch.
if (undef(opts, 'usePolling') && !opts.useFsEvents) {
opts.usePolling = isMacos;
}
// Always default to polling on IBM i because fs.watch() is not available on IBM i.
if(isIBMi) {
opts.usePolling = true;
}
// Global override (useful for end-developers that need to force polling for all
// instances of chokidar, regardless of usage/dependency depth)
const envPoll = process.env.CHOKIDAR_USEPOLLING;
if (envPoll !== undefined) {
const envLower = envPoll.toLowerCase();
if (envLower === 'false' || envLower === '0') {
opts.usePolling = false;
} else if (envLower === 'true' || envLower === '1') {
opts.usePolling = true;
} else {
opts.usePolling = !!envLower;
}
}
const envInterval = process.env.CHOKIDAR_INTERVAL;
if (envInterval) {
opts.interval = Number.parseInt(envInterval, 10);
}
// Editor atomic write normalization enabled by default with fs.watch
if (undef(opts, 'atomic')) opts.atomic = !opts.usePolling && !opts.useFsEvents;
if (opts.atomic) this._pendingUnlinks = new Map();
if (undef(opts, 'followSymlinks')) opts.followSymlinks = true;
if (undef(opts, 'awaitWriteFinish')) opts.awaitWriteFinish = false;
if (opts.awaitWriteFinish === true) opts.awaitWriteFinish = {};
const awf = opts.awaitWriteFinish;
if (awf) {
if (!awf.stabilityThreshold) awf.stabilityThreshold = 2000;
if (!awf.pollInterval) awf.pollInterval = 100;
this._pendingWrites = new Map();
}
if (opts.ignored) opts.ignored = arrify(opts.ignored);
let readyCalls = 0;
this._emitReady = () => {
readyCalls++;
if (readyCalls >= this._readyCount) {
this._emitReady = EMPTY_FN;
this._readyEmitted = true;
// use process.nextTick to allow time for listener to be bound
process.nextTick(() => this.emit(EV_READY));
}
};
this._emitRaw = (...args) => this.emit(EV_RAW, ...args);
this._readyEmitted = false;
this.options = opts;
// Initialize with proper watcher.
if (opts.useFsEvents) {
this._fsEventsHandler = new FsEventsHandler(this);
} else {
this._nodeFsHandler = new NodeFsHandler(this);
}
// You’re frozen when your heart’s not open.
Object.freeze(opts);
}
// Public methods
/**
* Adds paths to be watched on an existing FSWatcher instance
* @param {Path|Array<Path>} paths_
* @param {String=} _origAdd private; for handling non-existent paths to be watched
* @param {Boolean=} _internal private; indicates a non-user add
* @returns {FSWatcher} for chaining
*/
add(paths_, _origAdd, _internal) {
const {cwd, disableGlobbing} = this.options;
this.closed = false;
let paths = unifyPaths(paths_);
if (cwd) {
paths = paths.map((path) => {
const absPath = getAbsolutePath(path, cwd);
// Check `path` instead of `absPath` because the cwd portion can't be a glob
if (disableGlobbing || !isGlob(path)) {
return absPath;
}
return normalizePath(absPath);
});
}
// set aside negated glob strings
paths = paths.filter((path) => {
if (path.startsWith(BANG)) {
this._ignoredPaths.add(path.slice(1));
return false;
}
// if a path is being added that was previously ignored, stop ignoring it
this._ignoredPaths.delete(path);
this._ignoredPaths.delete(path + SLASH_GLOBSTAR);
// reset the cached userIgnored anymatch fn
// to make ignoredPaths changes effective
this._userIgnored = undefined;
return true;
});
if (this.options.useFsEvents && this._fsEventsHandler) {
if (!this._readyCount) this._readyCount = paths.length;
if (this.options.persistent) this._readyCount *= 2;
paths.forEach((path) => this._fsEventsHandler._addToFsEvents(path));
} else {
if (!this._readyCount) this._readyCount = 0;
this._readyCount += paths.length;
Promise.all(
paths.map(async path => {
const res = await this._nodeFsHandler._addToNodeFs(path, !_internal, 0, 0, _origAdd);
if (res) this._emitReady();
return res;
})
).then(results => {
if (this.closed) return;
results.filter(item => item).forEach(item => {
this.add(sysPath.dirname(item), sysPath.basename(_origAdd || item));
});
});
}
return this;
}
/**
* Close watchers or start ignoring events from specified paths.
* @param {Path|Array<Path>} paths_ - string or array of strings, file/directory paths and/or globs
* @returns {FSWatcher} for chaining
*/
unwatch(paths_) {
if (this.closed) return this;
const paths = unifyPaths(paths_);
const {cwd} = this.options;
paths.forEach((path) => {
// convert to absolute path unless relative path already matches
if (!sysPath.isAbsolute(path) && !this._closers.has(path)) {
if (cwd) path = sysPath.join(cwd, path);
path = sysPath.resolve(path);
}
this._closePath(path);
this._ignoredPaths.add(path);
if (this._watched.has(path)) {
this._ignoredPaths.add(path + SLASH_GLOBSTAR);
}
// reset the cached userIgnored anymatch fn
// to make ignoredPaths changes effective
this._userIgnored = undefined;
});
return this;
}
/**
* Close watchers and remove all listeners from watched paths.
* @returns {Promise<void>}.
*/
close() {
if (this.closed) return this._closePromise;
this.closed = true;
// Memory management.
this.removeAllListeners();
const closers = [];
this._closers.forEach(closerList => closerList.forEach(closer => {
const promise = closer();
if (promise instanceof Promise) closers.push(promise);
}));
this._streams.forEach(stream => stream.destroy());
this._userIgnored = undefined;
this._readyCount = 0;
this._readyEmitted = false;
this._watched.forEach(dirent => dirent.dispose());
['closers', 'watched', 'streams', 'symlinkPaths', 'throttled'].forEach(key => {
this[`_${key}`].clear();
});
this._closePromise = closers.length ? Promise.all(closers).then(() => undefined) : Promise.resolve();
return this._closePromise;
}
/**
* Expose list of watched paths
* @returns {Object} for chaining
*/
getWatched() {
const watchList = {};
this._watched.forEach((entry, dir) => {
const key = this.options.cwd ? sysPath.relative(this.options.cwd, dir) : dir;
watchList[key || ONE_DOT] = entry.getChildren().sort();
});
return watchList;
}
emitWithAll(event, args) {
this.emit(...args);
if (event !== EV_ERROR) this.emit(EV_ALL, ...args);
}
// Common helpers
// --------------
/**
* Normalize and emit events.
* Calling _emit DOES NOT MEAN emit() would be called!
* @param {EventName} event Type of event
* @param {Path} path File or directory path
* @param {*=} val1 arguments to be passed with event
* @param {*=} val2
* @param {*=} val3
* @returns the error if defined, otherwise the value of the FSWatcher instance's `closed` flag
*/
async _emit(event, path, val1, val2, val3) {
if (this.closed) return;
const opts = this.options;
if (isWindows) path = sysPath.normalize(path);
if (opts.cwd) path = sysPath.relative(opts.cwd, path);
/** @type Array<any> */
const args = [event, path];
if (val3 !== undefined) args.push(val1, val2, val3);
else if (val2 !== undefined) args.push(val1, val2);
else if (val1 !== undefined) args.push(val1);
const awf = opts.awaitWriteFinish;
let pw;
if (awf && (pw = this._pendingWrites.get(path))) {
pw.lastChange = new Date();
return this;
}
if (opts.atomic) {
if (event === EV_UNLINK) {
this._pendingUnlinks.set(path, args);
setTimeout(() => {
this._pendingUnlinks.forEach((entry, path) => {
this.emit(...entry);
this.emit(EV_ALL, ...entry);
this._pendingUnlinks.delete(path);
});
}, typeof opts.atomic === 'number' ? opts.atomic : 100);
return this;
}
if (event === EV_ADD && this._pendingUnlinks.has(path)) {
event = args[0] = EV_CHANGE;
this._pendingUnlinks.delete(path);
}
}
if (awf && (event === EV_ADD || event === EV_CHANGE) && this._readyEmitted) {
const awfEmit = (err, stats) => {
if (err) {
event = args[0] = EV_ERROR;
args[1] = err;
this.emitWithAll(event, args);
} else if (stats) {
// if stats doesn't exist the file must have been deleted
if (args.length > 2) {
args[2] = stats;
} else {
args.push(stats);
}
this.emitWithAll(event, args);
}
};
this._awaitWriteFinish(path, awf.stabilityThreshold, event, awfEmit);
return this;
}
if (event === EV_CHANGE) {
const isThrottled = !this._throttle(EV_CHANGE, path, 50);
if (isThrottled) return this;
}
if (opts.alwaysStat && val1 === undefined &&
(event === EV_ADD || event === EV_ADD_DIR || event === EV_CHANGE)
) {
const fullPath = opts.cwd ? sysPath.join(opts.cwd, path) : path;
let stats;
try {
stats = await stat(fullPath);
} catch (err) {}
// Suppress event when fs_stat fails, to avoid sending undefined 'stat'
if (!stats || this.closed) return;
args.push(stats);
}
this.emitWithAll(event, args);
return this;
}
/**
* Common handler for errors
* @param {Error} error
* @returns {Error|Boolean} The error if defined, otherwise the value of the FSWatcher instance's `closed` flag
*/
_handleError(error) {
const code = error && error.code;
if (error && code !== 'ENOENT' && code !== 'ENOTDIR' &&
(!this.options.ignorePermissionErrors || (code !== 'EPERM' && code !== 'EACCES'))
) {
this.emit(EV_ERROR, error);
}
return error || this.closed;
}
/**
* Helper utility for throttling
* @param {ThrottleType} actionType type being throttled
* @param {Path} path being acted upon
* @param {Number} timeout duration of time to suppress duplicate actions
* @returns {Object|false} tracking object or false if action should be suppressed
*/
_throttle(actionType, path, timeout) {
if (!this._throttled.has(actionType)) {
this._throttled.set(actionType, new Map());
}
/** @type {Map<Path, Object>} */
const action = this._throttled.get(actionType);
/** @type {Object} */
const actionPath = action.get(path);
if (actionPath) {
actionPath.count++;
return false;
}
let timeoutObject;
const clear = () => {
const item = action.get(path);
const count = item ? item.count : 0;
action.delete(path);
clearTimeout(timeoutObject);
if (item) clearTimeout(item.timeoutObject);
return count;
};
timeoutObject = setTimeout(clear, timeout);
const thr = {timeoutObject, clear, count: 0};
action.set(path, thr);
return thr;
}
_incrReadyCount() {
return this._readyCount++;
}
/**
* Awaits write operation to finish.
* Polls a newly created file for size variations. When files size does not change for 'threshold' milliseconds calls callback.
* @param {Path} path being acted upon
* @param {Number} threshold Time in milliseconds a file size must be fixed before acknowledging write OP is finished
* @param {EventName} event
* @param {Function} awfEmit Callback to be called when ready for event to be emitted.
*/
_awaitWriteFinish(path, threshold, event, awfEmit) {
let timeoutHandler;
let fullPath = path;
if (this.options.cwd && !sysPath.isAbsolute(path)) {
fullPath = sysPath.join(this.options.cwd, path);
}
const now = new Date();
const awaitWriteFinish = (prevStat) => {
fs.stat(fullPath, (err, curStat) => {
if (err || !this._pendingWrites.has(path)) {
if (err && err.code !== 'ENOENT') awfEmit(err);
return;
}
const now = Number(new Date());
if (prevStat && curStat.size !== prevStat.size) {
this._pendingWrites.get(path).lastChange = now;
}
const pw = this._pendingWrites.get(path);
const df = now - pw.lastChange;
if (df >= threshold) {
this._pendingWrites.delete(path);
awfEmit(undefined, curStat);
} else {
timeoutHandler = setTimeout(
awaitWriteFinish,
this.options.awaitWriteFinish.pollInterval,
curStat
);
}
});
};
if (!this._pendingWrites.has(path)) {
this._pendingWrites.set(path, {
lastChange: now,
cancelWait: () => {
this._pendingWrites.delete(path);
clearTimeout(timeoutHandler);
return event;
}
});
timeoutHandler = setTimeout(
awaitWriteFinish,
this.options.awaitWriteFinish.pollInterval
);
}
}
_getGlobIgnored() {
return [...this._ignoredPaths.values()];
}
/**
* Determines whether user has asked to ignore this path.
* @param {Path} path filepath or dir
* @param {fs.Stats=} stats result of fs.stat
* @returns {Boolean}
*/
_isIgnored(path, stats) {
if (this.options.atomic && DOT_RE.test(path)) return true;
if (!this._userIgnored) {
const {cwd} = this.options;
const ign = this.options.ignored;
const ignored = ign && ign.map(normalizeIgnored(cwd));
const paths = arrify(ignored)
.filter((path) => typeof path === STRING_TYPE && !isGlob(path))
.map((path) => path + SLASH_GLOBSTAR);
const list = this._getGlobIgnored().map(normalizeIgnored(cwd)).concat(ignored, paths);
this._userIgnored = anymatch(list, undefined, ANYMATCH_OPTS);
}
return this._userIgnored([path, stats]);
}
_isntIgnored(path, stat) {
return !this._isIgnored(path, stat);
}
/**
* Provides a set of common helpers and properties relating to symlink and glob handling.
* @param {Path} path file, directory, or glob pattern being watched
* @param {Number=} depth at any depth > 0, this isn't a glob
* @returns {WatchHelper} object containing helpers for this path
*/
_getWatchHelpers(path, depth) {
const watchPath = depth || this.options.disableGlobbing || !isGlob(path) ? path : globParent(path);
const follow = this.options.followSymlinks;
return new WatchHelper(path, watchPath, follow, this);
}
// Directory helpers
// -----------------
/**
* Provides directory tracking objects
* @param {String} directory path of the directory
* @returns {DirEntry} the directory's tracking object
*/
_getWatchedDir(directory) {
if (!this._boundRemove) this._boundRemove = this._remove.bind(this);
const dir = sysPath.resolve(directory);
if (!this._watched.has(dir)) this._watched.set(dir, new DirEntry(dir, this._boundRemove));
return this._watched.get(dir);
}
// File helpers
// ------------
/**
* Check for read permissions.
* Based on this answer on SO: https://stackoverflow.com/a/11781404/1358405
* @param {fs.Stats} stats - object, result of fs_stat
* @returns {Boolean} indicates whether the file can be read
*/
_hasReadPermissions(stats) {
if (this.options.ignorePermissionErrors) return true;
// stats.mode may be bigint
const md = stats && Number.parseInt(stats.mode, 10);
const st = md & 0o777;
const it = Number.parseInt(st.toString(8)[0], 10);
return Boolean(4 & it);
}
/**
* Handles emitting unlink events for
* files and directories, and via recursion, for
* files and directories within directories that are unlinked
* @param {String} directory within which the following item is located
* @param {String} item base path of item/directory
* @returns {void}
*/
_remove(directory, item, isDirectory) {
// if what is being deleted is a directory, get that directory's paths
// for recursive deleting and cleaning of watched object
// if it is not a directory, nestedDirectoryChildren will be empty array
const path = sysPath.join(directory, item);
const fullPath = sysPath.resolve(path);
isDirectory = isDirectory != null
? isDirectory
: this._watched.has(path) || this._watched.has(fullPath);
// prevent duplicate handling in case of arriving here nearly simultaneously
// via multiple paths (such as _handleFile and _handleDir)
if (!this._throttle('remove', path, 100)) return;
// if the only watched file is removed, watch for its return
if (!isDirectory && !this.options.useFsEvents && this._watched.size === 1) {
this.add(directory, item, true);
}
// This will create a new entry in the watched object in either case
// so we got to do the directory check beforehand
const wp = this._getWatchedDir(path);
const nestedDirectoryChildren = wp.getChildren();
// Recursively remove children directories / files.
nestedDirectoryChildren.forEach(nested => this._remove(path, nested));
// Check if item was on the watched list and remove it
const parent = this._getWatchedDir(directory);
const wasTracked = parent.has(item);
parent.remove(item);
// Fixes issue #1042 -> Relative paths were detected and added as symlinks
// (https://github.com/paulmillr/chokidar/blob/e1753ddbc9571bdc33b4a4af172d52cb6e611c10/lib/nodefs-handler.js#L612),
// but never removed from the map in case the path was deleted.
// This leads to an incorrect state if the path was recreated:
// https://github.com/paulmillr/chokidar/blob/e1753ddbc9571bdc33b4a4af172d52cb6e611c10/lib/nodefs-handler.js#L553
if (this._symlinkPaths.has(fullPath)) {
this._symlinkPaths.delete(fullPath);
}
// If we wait for this file to be fully written, cancel the wait.
let relPath = path;
if (this.options.cwd) relPath = sysPath.relative(this.options.cwd, path);
if (this.options.awaitWriteFinish && this._pendingWrites.has(relPath)) {
const event = this._pendingWrites.get(relPath).cancelWait();
if (event === EV_ADD) return;
}
// The Entry will either be a directory that just got removed
// or a bogus entry to a file, in either case we have to remove it
this._watched.delete(path);
this._watched.delete(fullPath);
const eventName = isDirectory ? EV_UNLINK_DIR : EV_UNLINK;
if (wasTracked && !this._isIgnored(path)) this._emit(eventName, path);
// Avoid conflicts if we later create another file with the same name
if (!this.options.useFsEvents) {
this._closePath(path);
}
}
/**
* Closes all watchers for a path
* @param {Path} path
*/
_closePath(path) {
this._closeFile(path);
const dir = sysPath.dirname(path);
this._getWatchedDir(dir).remove(sysPath.basename(path));
}
/**
* Closes only file-specific watchers
* @param {Path} path
*/
_closeFile(path) {
const closers = this._closers.get(path);
if (!closers) return;
closers.forEach(closer => closer());
this._closers.delete(path);
}
/**
*
* @param {Path} path
* @param {Function} closer
*/
_addPathCloser(path, closer) {
if (!closer) return;
let list = this._closers.get(path);
if (!list) {
list = [];
this._closers.set(path, list);
}
list.push(closer);
}
_readdirp(root, opts) {
if (this.closed) return;
const options = {type: EV_ALL, alwaysStat: true, lstat: true, ...opts};
let stream = readdirp(root, options);
this._streams.add(stream);
stream.once(STR_CLOSE, () => {
stream = undefined;
});
stream.once(STR_END, () => {
if (stream) {
this._streams.delete(stream);
stream = undefined;
}
});
return stream;
}
}
// Export FSWatcher class
chokidar.FSWatcher = FSWatcher;
/**
* Instantiates watcher with paths to be tracked.
* @param {String|Array<String>} paths file/directory paths and/or globs
* @param {Object=} options chokidar opts
* @returns an instance of FSWatcher for chaining.
*/
const watch = (paths, options) => {
const watcher = new FSWatcher(options);
watcher.add(paths);
return watcher;
};
chokidar.watch = watch;
class FileWatcher {
constructor(task, chokidarOptions) {
this.transformWatchers = new Map();
this.chokidarOptions = chokidarOptions;
this.task = task;
this.watcher = this.createWatcher(null);
}
close() {
this.watcher.close();
for (const watcher of this.transformWatchers.values()) {
watcher.close();
}
}
unwatch(id) {
this.watcher.unwatch(id);
const transformWatcher = this.transformWatchers.get(id);
if (transformWatcher) {
this.transformWatchers.delete(id);
transformWatcher.close();
}
}
watch(id, isTransformDependency) {
var _a;
if (isTransformDependency) {
const watcher = (_a = this.transformWatchers.get(id)) !== null && _a !== void 0 ? _a : this.createWatcher(id);
watcher.add(id);
this.transformWatchers.set(id, watcher);
}
else {
this.watcher.add(id);
}
}
createWatcher(transformWatcherId) {
const task = this.task;
const isLinux = platform() === 'linux';
const isTransformDependency = transformWatcherId !== null;
const handleChange = (id, event) => {
const changedId = transformWatcherId || id;
if (isLinux) {
// unwatching and watching fixes an issue with chokidar where on certain systems,
// a file that was unlinked and immediately recreated would create a change event
// but then no longer any further events
watcher.unwatch(changedId);
watcher.add(changedId);
}
task.invalidate(changedId, { event, isTransformDependency });
};
const watcher = chokidar
.watch([], this.chokidarOptions)
.on('add', id => handleChange(id, 'create'))
.on('change', id => handleChange(id, 'update'))
.on('unlink', id => handleChange(id, 'delete'));
return watcher;
}
}
const eventsRewrites = {
create: {
create: 'buggy',
delete: null,
update: 'create'
},
delete: {
create: 'update',
delete: 'buggy',
update: 'buggy'
},
update: {
create: 'buggy',
delete: 'delete',
update: 'update'
}
};
class Watcher {
constructor(configs, emitter) {
this.buildDelay = 0;
this.buildTimeout = null;
this.invalidatedIds = new Map();
this.rerun = false;
this.running = true;
this.emitter = emitter;
emitter.close = this.close.bind(this);
this.tasks = configs.map(config => new Task(this, config));
this.buildDelay = configs.reduce((buildDelay, { watch }) => watch && typeof watch.buildDelay === 'number'
? Math.max(buildDelay, watch.buildDelay)
: buildDelay, this.buildDelay);
process$1.nextTick(() => this.run());
}
async close() {
if (this.buildTimeout)
clearTimeout(this.buildTimeout);
for (const task of this.tasks) {
task.close();
}
await this.emitter.emitAndAwait('close');
this.emitter.removeAllListeners();
}
invalidate(file) {
if (file) {
const prevEvent = this.invalidatedIds.get(file.id);
const event = prevEvent ? eventsRewrites[prevEvent][file.event] : file.event;
if (event === 'buggy') {
//TODO: throws or warn? Currently just ignore, uses new event
this.invalidatedIds.set(file.id, file.event);
}
else if (event === null) {
this.invalidatedIds.delete(file.id);
}
else {
this.invalidatedIds.set(file.id, event);
}
}
if (this.running) {
this.rerun = true;
return;
}
if (this.buildTimeout)
clearTimeout(this.buildTimeout);
this.buildTimeout = setTimeout(async () => {
this.buildTimeout = null;
try {
await Promise.all([...this.invalidatedIds].map(([id, event]) => this.emitter.emitAndAwait('change', id, { event })));
this.invalidatedIds.clear();
this.emitter.emit('restart');
this.emitter.removeAwaited();
this.run();
}
catch (error) {
this.invalidatedIds.clear();
this.emitter.emit('event', {
code: 'ERROR',
error,
result: null
});
this.emitter.emit('event', {
code: 'END'
});
}
}, this.buildDelay);
}
async run() {
this.running = true;
this.emitter.emit('event', {
code: 'START'
});
for (const task of this.tasks) {
await task.run();
}
this.running = false;
this.emitter.emit('event', {
code: 'END'
});
if (this.rerun) {
this.rerun = false;
this.invalidate();
}
}
}
class Task {
constructor(watcher, config) {
this.cache = { modules: [] };
this.watchFiles = [];
this.closed = false;
this.invalidated = true;
this.watched = new Set();
this.watcher = watcher;
this.skipWrite = Boolean(config.watch && config.watch.skipWrite);
this.options = mergeOptions(config);
this.outputs = this.options.output;
this.outputFiles = this.outputs.map(output => {
if (output.file || output.dir)
return resolve(output.file || output.dir);
return undefined;
});
const watchOptions = this.options.watch || {};
this.filter = createFilter(watchOptions.include, watchOptions.exclude);
this.fileWatcher = new FileWatcher(this, {
...watchOptions.chokidar,
disableGlobbing: true,
ignoreInitial: true
});
}
close() {
this.closed = true;
this.fileWatcher.close();
}
invalidate(id, details) {
this.invalidated = true;
if (details.isTransformDependency) {
for (const module of this.cache.modules) {
if (!module.transformDependencies.includes(id))
continue;
// effective invalidation
module.originalCode = null;
}
}
this.watcher.invalidate({ event: details.event, id });
}
async run() {
if (!this.invalidated)
return;
this.invalidated = false;
const options = {
...this.options,
cache: this.cache
};
const start = Date.now();
this.watcher.emitter.emit('event', {
code: 'BUNDLE_START',
input: this.options.input,
output: this.outputFiles
});
let result = null;
try {
result = await rollupInternal(options, this.watcher.emitter);
if (this.closed) {
return;
}
this.updateWatchedFiles(result);
this.skipWrite || (await Promise.all(this.outputs.map(output => result.write(output))));
this.watcher.emitter.emit('event', {
code: 'BUNDLE_END',
duration: Date.now() - start,
input: this.options.input,
output: this.outputFiles,
result
});
}
catch (error) {
if (!this.closed) {
if (Array.isArray(error.watchFiles)) {
for (const id of error.watchFiles) {
this.watchFile(id);
}
}
if (error.id) {
this.cache.modules = this.cache.modules.filter(module => module.id !== error.id);
}
}
this.watcher.emitter.emit('event', {
code: 'ERROR',
error,
result
});
}
}
updateWatchedFiles(result) {
const previouslyWatched = this.watched;
this.watched = new Set();
this.watchFiles = result.watchFiles;
this.cache = result.cache;
for (const id of this.watchFiles) {
this.watchFile(id);
}
for (const module of this.cache.modules) {
for (const depId of module.transformDependencies) {
this.watchFile(depId, true);
}
}
for (const id of previouslyWatched) {
if (!this.watched.has(id)) {
this.fileWatcher.unwatch(id);
}
}
}
watchFile(id, isTransformDependency = false) {
if (!this.filter(id))
return;
this.watched.add(id);
if (this.outputFiles.some(file => file === id)) {
throw new Error('Cannot import the generated bundle');
}
// this is necessary to ensure that any 'renamed' files
// continue to be watched following an error
this.fileWatcher.watch(id, isTransformDependency);
}
}
export { Task, Watcher };