diff options
Diffstat (limited to 'deps/npm/node_modules/npm-packlist/index.js')
| -rw-r--r-- | deps/npm/node_modules/npm-packlist/index.js | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/deps/npm/node_modules/npm-packlist/index.js b/deps/npm/node_modules/npm-packlist/index.js new file mode 100644 index 0000000000..25105eed00 --- /dev/null +++ b/deps/npm/node_modules/npm-packlist/index.js @@ -0,0 +1,213 @@ +'use strict' + +// Do a two-pass walk, first to get the list of packages that need to be +// bundled, then again to get the actual files and folders. +// Keep a cache of node_modules content and package.json data, so that the +// second walk doesn't have to re-do all the same work. + +const bundleWalk = require('npm-bundled') +const BundleWalker = bundleWalk.BundleWalker +const BundleWalkerSync = bundleWalk.BundleWalkerSync + +const ignoreWalk = require('ignore-walk') +const IgnoreWalker = ignoreWalk.Walker +const IgnoreWalkerSync = ignoreWalk.WalkerSync + +const rootBuiltinRules = Symbol('root-builtin-rules') +const packageNecessaryRules = Symbol('package-necessary-rules') +const path = require('path') + +const defaultRules = [ + '.npmignore', + '.gitignore', + '**/.git/', + '**/.svn/', + '**/.hg/', + '**/CVS/', + '/.lock-wscript', + '/.wafpickle-*', + '/build/config.gypi', + 'npm-debug.log', + '**/.npmrc', + '.*.swp', + '.DS_Store', + '._*', + '*.orig', + 'package-lock.json' +] + +// a decorator that applies our custom rules to an ignore walker +const npmWalker = Class => class Walker extends Class { + constructor (opt) { + opt = opt || {} + + // the order in which rules are applied. + opt.ignoreFiles = [ + rootBuiltinRules, + 'package.json', + '.npmignore', + '.gitignore', + packageNecessaryRules + ] + + opt.includeEmpty = false + opt.path = opt.path || process.cwd() + opt.follow = path.basename(opt.path) === 'node_modules' + super(opt) + + // ignore a bunch of things by default at the root level. + // also ignore anything in node_modules, except bundled dependencies + if (!this.parent) { + this.bundled = opt.bundled || [] + this.bundledScopes = Array.from(new Set( + this.bundled.filter(f => /^@/.test(f)) + .map(f => f.split('/')[0]))) + const rules = defaultRules.join('\n') + '\n' + this.packageJsonCache = opt.packageJsonCache || new Map() + super.onReadIgnoreFile(rootBuiltinRules, rules, _=>_) + } else { + this.bundled = [] + this.bundledScopes = [] + this.packageJsonCache = this.parent.packageJsonCache + } + } + + filterEntry (entry, partial) { + // get the partial path from the root of the walk + const p = this.path.substr(this.root.length + 1) + const pkgre = /^node_modules\/(@[^\/]+\/?[^\/]+|[^\/]+)(\/.*)?$/ + const pkg = pkgre.test(entry) ? entry.replace(pkgre, '$1') : null + + return ( + // if we're in a bundled package, check with the parent. + /^node_modules($|\/)/i.test(p) ? this.parent.filterEntry( + this.basename + '/' + entry, partial) + + // if package is bundled, all files included + // also include @scope dirs for bundled scoped deps + // they'll be ignored if no files end up in them. + : pkg ? -1 !== this.bundled.indexOf(pkg) || + -1 !== this.bundledScopes.indexOf(pkg) + + // only walk top node_modules if we want to bundle something + : entry === 'node_modules' && !this.parent ? !!this.bundled.length + + // always include package.json at the root. + : entry === 'package.json' && !this.parent ? true + + // otherwise, follow ignore-walk's logic + : super.filterEntry(entry, partial) + ) + } + + filterEntries () { + if (this.ignoreRules['package.json']) + this.ignoreRules['.gitignore'] = this.ignoreRules['.npmignore'] = null + else if (this.ignoreRules['.npmignore']) + this.ignoreRules['.gitignore'] = null + this.filterEntries = super.filterEntries + super.filterEntries() + } + + addIgnoreFile (file, then) { + const ig = path.resolve(this.path, file) + if (this.packageJsonCache.has(ig)) + this.onPackageJson(ig, this.packageJsonCache.get(ig), then) + else + super.addIgnoreFile(file, then) + } + + onPackageJson (ig, pkg, then) { + this.packageJsonCache.set(ig, pkg) + + // if there's a browser or main, make sure we don't ignore it + const rules = [ + pkg.browser ? '!' + pkg.browser : '', + pkg.main ? '!' + pkg.main : '', + '!@(readme|license|licence|notice|changes|changelog|history){,.*}' + ].filter(f => f).join('\n') + '\n' + super.onReadIgnoreFile(packageNecessaryRules, rules, _=>_) + + if (Array.isArray(pkg.files)) + super.onReadIgnoreFile('package.json', '*\n' + pkg.files.map( + f => '!' + f + '\n!' + f.replace(/\/+$/, '') + '/**' + ).join('\n') + '\n', then) + else + then() + } + + // override parent onstat function to nix all symlinks + onstat (st, entry, file, dir, then) { + if (st.isSymbolicLink()) + then() + else + super.onstat(st, entry, file, dir, then) + } + + onReadIgnoreFile (file, data, then) { + if (file === 'package.json') + try { + this.onPackageJson(file, JSON.parse(data), then) + } catch (er) { + // ignore package.json files that are not json + then() + } + else + super.onReadIgnoreFile(file, data, then) + } + + sort (a, b) { + return sort(a, b) + } +} + +class Walker extends npmWalker(IgnoreWalker) { + walker (entry, then) { + new Walker(this.walkerOpt(entry)).on('done', then).start() + } +} + +class WalkerSync extends npmWalker(IgnoreWalkerSync) { + walker (entry, then) { + new WalkerSync(this.walkerOpt(entry)).start() + then() + } +} + +const walk = (options, callback) => { + options = options || {} + const p = new Promise((resolve, reject) => { + const bw = new BundleWalker(options).start() + bw.on('done', bundled => { + options.bundled = bundled + options.packageJsonCache = bw.packageJsonCache + new Walker(options).on('done', resolve).on('error', reject).start() + }) + }) + return callback ? p.then(res => callback(null, res), callback) : p +} + +const walkSync = options => { + options = options || {} + const bw = new BundleWalkerSync(options).start() + options.bundled = bw.result + options.packageJsonCache = bw.packageJsonCache + const walker = new WalkerSync(options) + walker.start() + return walker.result +} + +// package.json first, node_modules last, files before folders, alphasort +const sort = (a, b) => + a === 'package.json' ? -1 + : b === 'package.json' ? 1 + : /^node_modules/.test(a) && !/^node_modules/.test(b) ? 1 + : /^node_modules/.test(b) && !/^node_modules/.test(a) ? -1 + : path.dirname(a) === '.' && path.dirname(b) !== '.' ? -1 + : path.dirname(b) === '.' && path.dirname(a) !== '.' ? 1 + : a.localeCompare(b) + +module.exports = walk +walk.sync = walkSync +walk.Walker = Walker +walk.WalkerSync = WalkerSync |