diff options
Diffstat (limited to 'deps/node/deps/npm/node_modules/npm-bundled/index.js')
| -rw-r--r-- | deps/node/deps/npm/node_modules/npm-bundled/index.js | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/deps/node/deps/npm/node_modules/npm-bundled/index.js b/deps/node/deps/npm/node_modules/npm-bundled/index.js deleted file mode 100644 index c0c5f60c..00000000 --- a/deps/node/deps/npm/node_modules/npm-bundled/index.js +++ /dev/null @@ -1,229 +0,0 @@ -'use strict' - -// walk the tree of deps starting from the top level list of bundled deps -// Any deps at the top level that are depended on by a bundled dep that -// does not have that dep in its own node_modules folder are considered -// bundled deps as well. This list of names can be passed to npm-packlist -// as the "bundled" argument. Additionally, packageJsonCache is shared so -// packlist doesn't have to re-read files already consumed in this pass - -const fs = require('fs') -const path = require('path') -const EE = require('events').EventEmitter - -class BundleWalker extends EE { - constructor (opt) { - opt = opt || {} - super(opt) - this.path = path.resolve(opt.path || process.cwd()) - - this.parent = opt.parent || null - if (this.parent) { - this.result = this.parent.result - // only collect results in node_modules folders at the top level - // since the node_modules in a bundled dep is included always - if (!this.parent.parent) { - const base = path.basename(this.path) - const scope = path.basename(path.dirname(this.path)) - this.result.add(/^@/.test(scope) ? scope + '/' + base : base) - } - this.root = this.parent.root - this.packageJsonCache = this.parent.packageJsonCache - } else { - this.result = new Set() - this.root = this.path - this.packageJsonCache = opt.packageJsonCache || new Map() - } - - this.seen = new Set() - this.didDone = false - this.children = 0 - this.node_modules = [] - this.package = null - this.bundle = null - } - - done () { - if (!this.didDone) { - this.didDone = true - if (!this.parent) { - const res = Array.from(this.result) - this.result = res - this.emit('done', res) - } else { - this.emit('done') - } - } - } - - start () { - const pj = this.path + '/package.json' - if (this.packageJsonCache.has(pj)) - this.onPackage(this.packageJsonCache.get(pj)) - else - this.readPackageJson(pj) - return this - } - - readPackageJson (pj) { - fs.readFile(pj, (er, data) => - er ? this.done() : this.onPackageJson(pj, data)) - } - - onPackageJson (pj, data) { - try { - this.package = JSON.parse(data + '') - } catch (er) { - return this.done() - } - this.packageJsonCache.set(pj, this.package) - this.onPackage(this.package) - } - - onPackage (pkg) { - // all deps are bundled if we got here as a child. - // otherwise, only bundle bundledDeps - // Get a unique-ified array with a short-lived Set - const bdRaw = this.parent - ? Object.keys(pkg.dependencies || {}).concat( - Object.keys(pkg.optionalDependencies || {})) - : pkg.bundleDependencies || pkg.bundledDependencies || [] - - const bd = Array.from(new Set( - Array.isArray(bdRaw) ? bdRaw : Object.keys(bdRaw))) - - if (!bd.length) - return this.done() - - this.bundle = bd - const nm = this.path + '/node_modules' - this.readModules() - } - - readModules () { - readdirNodeModules(this.path + '/node_modules', (er, nm) => - er ? this.onReaddir([]) : this.onReaddir(nm)) - } - - onReaddir (nm) { - // keep track of what we have, in case children need it - this.node_modules = nm - - this.bundle.forEach(dep => this.childDep(dep)) - if (this.children === 0) - this.done() - } - - childDep (dep) { - if (this.node_modules.indexOf(dep) !== -1 && !this.seen.has(dep)) { - this.seen.add(dep) - this.child(dep) - } else if (this.parent) { - this.parent.childDep(dep) - } - } - - child (dep) { - const p = this.path + '/node_modules/' + dep - this.children += 1 - const child = new BundleWalker({ - path: p, - parent: this - }) - child.on('done', _ => { - if (--this.children === 0) - this.done() - }) - child.start() - } -} - -class BundleWalkerSync extends BundleWalker { - constructor (opt) { - super(opt) - } - - start () { - super.start() - this.done() - return this - } - - readPackageJson (pj) { - try { - this.onPackageJson(pj, fs.readFileSync(pj)) - } catch (er) {} - return this - } - - readModules () { - try { - this.onReaddir(readdirNodeModulesSync(this.path + '/node_modules')) - } catch (er) { - this.onReaddir([]) - } - } - - child (dep) { - new BundleWalkerSync({ - path: this.path + '/node_modules/' + dep, - parent: this - }).start() - } -} - -const readdirNodeModules = (nm, cb) => { - fs.readdir(nm, (er, set) => { - if (er) - cb(er) - else { - const scopes = set.filter(f => /^@/.test(f)) - if (!scopes.length) - cb(null, set) - else { - const unscoped = set.filter(f => !/^@/.test(f)) - let count = scopes.length - scopes.forEach(scope => { - fs.readdir(nm + '/' + scope, (er, pkgs) => { - if (er || !pkgs.length) - unscoped.push(scope) - else - unscoped.push.apply(unscoped, pkgs.map(p => scope + '/' + p)) - if (--count === 0) - cb(null, unscoped) - }) - }) - } - } - }) -} - -const readdirNodeModulesSync = nm => { - const set = fs.readdirSync(nm) - const unscoped = set.filter(f => !/^@/.test(f)) - const scopes = set.filter(f => /^@/.test(f)).map(scope => { - try { - const pkgs = fs.readdirSync(nm + '/' + scope) - return pkgs.length ? pkgs.map(p => scope + '/' + p) : [scope] - } catch (er) { - return [scope] - } - }).reduce((a, b) => a.concat(b), []) - return unscoped.concat(scopes) -} - -const walk = (options, callback) => { - const p = new Promise((resolve, reject) => { - new BundleWalker(options).on('done', resolve).on('error', reject).start() - }) - return callback ? p.then(res => callback(null, res), callback) : p -} - -const walkSync = options => { - return new BundleWalkerSync(options).start().result -} - -module.exports = walk -walk.sync = walkSync -walk.BundleWalker = BundleWalker -walk.BundleWalkerSync = BundleWalkerSync |