return Promised(when(getRoot(path), function(root) {
return when(fs.read(fs.join(root, DESCRIPTOR_FILE)), JSON.parse)
}))
'use strict'
var fs = require('promised-fs')
, packageUtils = require('./common/utils/package')
, Trait = require('light-traits').Trait
, CONST = require('./strings')
, Q = require('q'), when = Q.when, reject = Q.reject
, pu = require('promised-utils'), Promised = pu.Promised, all = pu.all
, PackageModules = require('./module').PackageModules
, DESCRIPTOR_PATH = fs.join(CONST.VERSION, CONST.PREFIX)
, DESCRIPTOR_FILE = CONST.DESCRIPTOR_FILE
, JSON_PARSE_ERROR = 'Failed to parse package descriptor: '
, ERR_NOT_IN_PACKAGE = CONST.ERR_NOT_IN_PACKAGE
, DEPENDENCIES_DIR = 'support'
/**
* Finds the root of the project package. Optionally takes `path` in the
* under the project directory (if not provided `pwd` is used).
* @param {String} path
* @returns {Promise(String)}
*/
var getRoot = Promised.sync(function getRoot(path) {
path = path ? fs.Path(String(path)) : fs.workingDirectoryPath()
return when(path.list(), function(entries) {
if (0 <= entries.indexOf(DESCRIPTOR_FILE)) return String(path)
var directory = path.directory()
if (String(path) == String(directory)) return reject(ERR_NOT_IN_PACKAGE)
return getRoot(directory)
})
return when(getRoot(path), function onPath(path) {
return fs.join(path, DEPENDENCIES_DIR)
})
, Module = require('./module').Module
, Package = require('./package').Package
, EXTENSION = CONST.EXTENSION
, SEPARATOR = CONST.SEPARATOR
, VERSION_MARK = CONST.VERSION_MARK
, VERSION = CONST.VERSION
, PREFIX = CONST.PREFIX
, LIB = CONST.LIB
, TRANSPORT_WRAPPER = CONST.TRANSPORT_WRAPPER
, MODULE_NOT_FOUND_ERROR = CONST.MODULE_NOT_FOUND_ERROR
, PACKAGE_NOT_FOUND_ERROR = CONST.PACKAGE_NOT_FOUND_ERROR
, COMMENTS_MATCH = CONST.COMMENTS_MATCH
, REQUIRE_MATCH = CONST.REQUIRE_MATCH
, root = CONST.NPM_DIR
, DESCRIPTOR_PATH = fs.join(VERSION, PREFIX, CONST.DESCRIPTOR_FILE)
var PromisedJSON = Promised(JSON)
var RegistryTrait = Trait(
{ packages: Trait.required
, root: root
, toJSON: function toJSON() {
var json, packages, descriptors
if (!this._json) {
json = {}
packages = this.packages
descriptors = Object.keys(packages).map(function (key) {
return when
( packages[key].invoke('toJSON')
, function (descriptor) { json[key] = descriptor }