workflow_launcher/node_modules/readdir-glob/index.js
2024-03-12 12:57:14 +01:00

243 lines
6.7 KiB
JavaScript
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

module.exports = readdirGlob;
const fs = require('fs');
const { EventEmitter } = require('events');
const { Minimatch } = require('minimatch');
const { resolve } = require('path');
function readdir(dir, strict) {
return new Promise((resolve, reject) => {
fs.readdir(dir, {withFileTypes: true} ,(err, files) => {
if(err) {
switch (err.code) {
case 'ENOTDIR': // Not a directory
if(strict) {
reject(err);
} else {
resolve([]);
}
break;
case 'ENOTSUP': // Operation not supported
case 'ENOENT': // No such file or directory
case 'ENAMETOOLONG': // Filename too long
case 'UNKNOWN':
resolve([]);
break;
case 'ELOOP': // Too many levels of symbolic links
default:
reject(err);
break;
}
} else {
resolve(files);
}
});
});
}
function stat(file, followSymlinks) {
return new Promise((resolve, reject) => {
const statFunc = followSymlinks ? fs.stat : fs.lstat;
statFunc(file, (err, stats) => {
if(err) {
switch (err.code) {
case 'ENOENT':
if(followSymlinks) {
// Fallback to lstat to handle broken links as files
resolve(stat(file, false));
} else {
resolve(null);
}
break;
default:
resolve(null);
break;
}
} else {
resolve(stats);
}
});
});
}
async function* exploreWalkAsync(dir, path, followSymlinks, useStat, shouldSkip, strict) {
let files = await readdir(path + dir, strict);
for(const file of files) {
let name = file.name;
if(name === undefined) {
// undefined file.name means the `withFileTypes` options is not supported by node
// we have to call the stat function to know if file is directory or not.
name = file;
useStat = true;
}
const filename = dir + '/' + name;
const relative = filename.slice(1); // Remove the leading /
const absolute = path + '/' + relative;
let stats = null;
if(useStat || followSymlinks) {
stats = await stat(absolute, followSymlinks);
}
if(!stats && file.name !== undefined) {
stats = file;
}
if(stats === null) {
stats = { isDirectory: () => false };
}
if(stats.isDirectory()) {
if(!shouldSkip(relative)) {
yield {relative, absolute, stats};
yield* exploreWalkAsync(filename, path, followSymlinks, useStat, shouldSkip, false);
}
} else {
yield {relative, absolute, stats};
}
}
}
async function* explore(path, followSymlinks, useStat, shouldSkip) {
yield* exploreWalkAsync('', path, followSymlinks, useStat, shouldSkip, true);
}
function readOptions(options) {
return {
pattern: options.pattern,
dot: !!options.dot,
noglobstar: !!options.noglobstar,
matchBase: !!options.matchBase,
nocase: !!options.nocase,
ignore: options.ignore,
skip: options.skip,
follow: !!options.follow,
stat: !!options.stat,
nodir: !!options.nodir,
mark: !!options.mark,
silent: !!options.silent,
absolute: !!options.absolute
};
}
class ReaddirGlob extends EventEmitter {
constructor(cwd, options, cb) {
super();
if(typeof options === 'function') {
cb = options;
options = null;
}
this.options = readOptions(options || {});
this.matchers = [];
if(this.options.pattern) {
const matchers = Array.isArray(this.options.pattern) ? this.options.pattern : [this.options.pattern];
this.matchers = matchers.map( m =>
new Minimatch(m, {
dot: this.options.dot,
noglobstar:this.options.noglobstar,
matchBase:this.options.matchBase,
nocase:this.options.nocase
})
);
}
this.ignoreMatchers = [];
if(this.options.ignore) {
const ignorePatterns = Array.isArray(this.options.ignore) ? this.options.ignore : [this.options.ignore];
this.ignoreMatchers = ignorePatterns.map( ignore =>
new Minimatch(ignore, {dot: true})
);
}
this.skipMatchers = [];
if(this.options.skip) {
const skipPatterns = Array.isArray(this.options.skip) ? this.options.skip : [this.options.skip];
this.skipMatchers = skipPatterns.map( skip =>
new Minimatch(skip, {dot: true})
);
}
this.iterator = explore(resolve(cwd || '.'), this.options.follow, this.options.stat, this._shouldSkipDirectory.bind(this));
this.paused = false;
this.inactive = false;
this.aborted = false;
if(cb) {
this._matches = [];
this.on('match', match => this._matches.push(this.options.absolute ? match.absolute : match.relative));
this.on('error', err => cb(err));
this.on('end', () => cb(null, this._matches));
}
setTimeout( () => this._next(), 0);
}
_shouldSkipDirectory(relative) {
//console.log(relative, this.skipMatchers.some(m => m.match(relative)));
return this.skipMatchers.some(m => m.match(relative));
}
_fileMatches(relative, isDirectory) {
const file = relative + (isDirectory ? '/' : '');
return (this.matchers.length === 0 || this.matchers.some(m => m.match(file)))
&& !this.ignoreMatchers.some(m => m.match(file))
&& (!this.options.nodir || !isDirectory);
}
_next() {
if(!this.paused && !this.aborted) {
this.iterator.next()
.then((obj)=> {
if(!obj.done) {
const isDirectory = obj.value.stats.isDirectory();
if(this._fileMatches(obj.value.relative, isDirectory )) {
let relative = obj.value.relative;
let absolute = obj.value.absolute;
if(this.options.mark && isDirectory) {
relative += '/';
absolute += '/';
}
if(this.options.stat) {
this.emit('match', {relative, absolute, stat:obj.value.stats});
} else {
this.emit('match', {relative, absolute});
}
}
this._next(this.iterator);
} else {
this.emit('end');
}
})
.catch((err) => {
this.abort();
this.emit('error', err);
if(!err.code && !this.options.silent) {
console.error(err);
}
});
} else {
this.inactive = true;
}
}
abort() {
this.aborted = true;
}
pause() {
this.paused = true;
}
resume() {
this.paused = false;
if(this.inactive) {
this.inactive = false;
this._next();
}
}
}
function readdirGlob(pattern, options, cb) {
return new ReaddirGlob(pattern, options, cb);
}
readdirGlob.ReaddirGlob = ReaddirGlob;