diff options
Diffstat (limited to 'deps/npm/node_modules/npm-packlist/node_modules/ignore-walk/index.js')
| -rw-r--r-- | deps/npm/node_modules/npm-packlist/node_modules/ignore-walk/index.js | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/deps/npm/node_modules/npm-packlist/node_modules/ignore-walk/index.js b/deps/npm/node_modules/npm-packlist/node_modules/ignore-walk/index.js new file mode 100644 index 0000000000..22517fb0e6 --- /dev/null +++ b/deps/npm/node_modules/npm-packlist/node_modules/ignore-walk/index.js @@ -0,0 +1,266 @@ +'use strict' + +const fs = require('fs') +const path = require('path') +const EE = require('events').EventEmitter +const Minimatch = require('minimatch').Minimatch + +class Walker extends EE { + constructor (opts) { + opts = opts || {} + super(opts) + this.path = opts.path || process.cwd() + this.basename = path.basename(this.path) + this.ignoreFiles = opts.ignoreFiles || [ '.ignore' ] + this.ignoreRules = {} + this.parent = opts.parent || null + this.includeEmpty = !!opts.includeEmpty + this.root = this.parent ? this.parent.root : this.path + this.follow = !!opts.follow + this.result = this.parent ? this.parent.result : [] + this.entries = null + this.sawError = false + } + + sort (a, b) { + return a.localeCompare(b) + } + + emit (ev, data) { + let ret = false + if (!(this.sawError && ev === 'error')) { + if (ev === 'error') + this.sawError = true + else if (ev === 'done' && !this.parent) + data = data.sort(this.sort) + if (ev === 'error' && this.parent) + ret = this.parent.emit('error', data) + else + ret = super.emit(ev, data) + } + return ret + } + + start () { + fs.readdir(this.path, (er, entries) => + er ? this.emit('error', er) : this.onReaddir(entries)) + return this + } + + isIgnoreFile (e) { + return e !== "." && + e !== ".." && + -1 !== this.ignoreFiles.indexOf(e) + } + + onReaddir (entries) { + this.entries = entries + if (entries.length === 0) { + if (this.includeEmpty) + this.result.push(this.path.substr(this.root.length + 1)) + this.emit('done', this.result) + } else { + const hasIg = this.entries.some(e => + this.isIgnoreFile(e)) + + if (hasIg) + this.addIgnoreFiles() + else + this.filterEntries() + } + } + + addIgnoreFiles () { + const newIg = this.entries + .filter(e => this.isIgnoreFile(e)) + + let igCount = newIg.length + const then = _ => { + if (--igCount === 0) + this.filterEntries() + } + + newIg.forEach(e => this.addIgnoreFile(e, then)) + } + + addIgnoreFile (file, then) { + const ig = path.resolve(this.path, file) + fs.readFile(ig, 'utf8', (er, data) => + er ? this.emit('error', er) : this.onReadIgnoreFile(file, data, then)) + } + + onReadIgnoreFile (file, data, then) { + const mmopt = { + matchBase: true, + dot: true, + flipNegate: true, + nocase: true + } + const rules = data.split(/\r?\n/) + .filter(line => !/^#|^$/.test(line.trim())) + .map(r => new Minimatch(r, mmopt)) + + if (rules.length) + this.ignoreRules[file] = rules + + then() + } + + filterEntries () { + // at this point we either have ignore rules, or just inheriting + // this exclusion is at the point where we know the list of + // entries in the dir, but don't know what they are. since + // some of them *might* be directories, we have to run the + // match in dir-mode as well, so that we'll pick up partials + // of files that will be included later. Anything included + // at this point will be checked again later once we know + // what it is. + const filtered = this.entries.map(entry => { + // at this point, we don't know if it's a dir or not. + const passFile = this.filterEntry(entry) + const passDir = this.filterEntry(entry, true) + return (passFile || passDir) ? [entry, passFile, passDir] : false + }).filter(e => e) + + // now we stat them all + // if it's a dir, and passes as a dir, then recurse + // if it's not a dir, but passes as a file, add to set + let entryCount = filtered.length + if (entryCount === 0) { + this.emit('done', this.result) + } else { + const then = _ => { + if (-- entryCount === 0) + this.emit('done', this.result) + } + filtered.forEach(filt => { + const entry = filt[0] + const file = filt[1] + const dir = filt[2] + this.stat(entry, file, dir, then) + }) + } + } + + onstat (st, entry, file, dir, then) { + const abs = this.path + '/' + entry + if (!st.isDirectory()) { + if (file) + this.result.push(abs.substr(this.root.length + 1)) + then() + } else { + // is a directory + if (dir) + this.walker(entry, then) + else + then() + } + } + + stat (entry, file, dir, then) { + const abs = this.path + '/' + entry + fs[this.follow ? 'stat' : 'lstat'](abs, (er, st) => { + if (er) + this.emit('error', er) + else + this.onstat(st, entry, file, dir, then) + }) + } + + walkerOpt (entry) { + return { + path: this.path + '/' + entry, + parent: this, + ignoreFiles: this.ignoreFiles, + follow: this.follow, + includeEmpty: this.includeEmpty + } + } + + walker (entry, then) { + new Walker(this.walkerOpt(entry)).on('done', then).start() + } + + filterEntry (entry, partial) { + let included = true + + // this = /a/b/c + // entry = d + // parent /a/b sees c/d + if (this.parent && this.parent.filterEntry) { + var pt = this.basename + "/" + entry + included = this.parent.filterEntry(pt, partial) + } + + this.ignoreFiles.forEach(f => { + if (this.ignoreRules[f]) { + this.ignoreRules[f].forEach(rule => { + // negation means inclusion + // so if it's negated, and already included, no need to check + // likewise if it's neither negated nor included + if (rule.negate !== included) { + // first, match against /foo/bar + // then, against foo/bar + // then, in the case of partials, match with a / + const match = rule.match('/' + entry) || + rule.match(entry) || + (!!partial && ( + rule.match('/' + entry + '/') || + rule.match(entry + '/'))) || + (!!partial && rule.negate && ( + rule.match('/' + entry, true) || + rule.match(entry, true))) + + if (match) + included = rule.negate + } + }) + } + }) + + return included + } +} + +class WalkerSync extends Walker { + constructor (opt) { + super(opt) + } + + start () { + this.onReaddir(fs.readdirSync(this.path)) + return this + } + + addIgnoreFile (file, then) { + const ig = path.resolve(this.path, file) + this.onReadIgnoreFile(file, fs.readFileSync(ig, 'utf8'), then) + } + + stat (entry, file, dir, then) { + const abs = this.path + '/' + entry + const st = fs[this.follow ? 'statSync' : 'lstatSync'](abs) + this.onstat(st, entry, file, dir, then) + } + + walker (entry, then) { + new WalkerSync(this.walkerOpt(entry)).start() + then() + } +} + +const walk = (options, callback) => { + const p = new Promise((resolve, reject) => { + new Walker(options).on('done', resolve).on('error', reject).start() + }) + return callback ? p.then(res => callback(null, res), callback) : p +} + +const walkSync = options => { + return new WalkerSync(options).start().result +} + +module.exports = walk +walk.sync = walkSync +walk.Walker = Walker +walk.WalkerSync = WalkerSync |