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Diffstat (limited to 'tools/addon-sdk-1.5/packages/api-utils/lib/list.js')
-rw-r--r-- | tools/addon-sdk-1.5/packages/api-utils/lib/list.js | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/tools/addon-sdk-1.5/packages/api-utils/lib/list.js b/tools/addon-sdk-1.5/packages/api-utils/lib/list.js deleted file mode 100644 index 4c6c126..0000000 --- a/tools/addon-sdk-1.5/packages/api-utils/lib/list.js +++ /dev/null @@ -1,114 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ -"use strict"; - -const { Trait } = require('./traits'); - -/** - * @see https://jetpack.mozillalabs.com/sdk/latest/docs/#module/api-utils/list - */ -const Iterable = Trait.compose({ - /** - * Hash map of key-values to iterate over. - * Note: That this property can be a getter if you need dynamic behavior. - * @type {Object} - */ - _keyValueMap: Trait.required, - /** - * Custom iterator providing `Iterable`s enumeration behavior. - * @param {Boolean} onKeys - */ - __iterator__: function __iterator__(onKeys, onKeyValue) { - let map = this._keyValueMap; - for (let key in map) - yield onKeyValue ? [key, map[key]] : onKeys ? key : map[key]; - } -}); -exports.Iterable = Iterable; - -/** - * An ordered collection (also known as a sequence) disallowing duplicate - * elements. List is composed out of `Iterable` there for it provides custom - * enumeration behavior that is similar to array (enumerates only on the - * elements of the list). List is a base trait and is meant to be a part of - * composition, since all of it's API is private except length property. - */ -const List = Trait.resolve({ toString: null }).compose({ - _keyValueMap: null, - /** - * List constructor can take any number of element to populate itself. - * @params {Object|String|Number} element - * @example - * List(1,2,3).length == 3 // true - */ - constructor: function List() { - this._keyValueMap = []; - for (let i = 0, ii = arguments.length; i < ii; i++) - this._add(arguments[i]); - }, - /** - * Number of elements in this list. - * @type {Number} - */ - get length() this._keyValueMap.length, - /** - * Returns a string representing this list. - * @returns {String} - */ - toString: function toString() 'List(' + this._keyValueMap + ')', - /** - * Returns `true` if this list contains the specified `element`. - * @param {Object|Number|String} element - * @returns {Boolean} - */ - _has: function _has(element) 0 <= this._keyValueMap.indexOf(element), - /** - * Appends the specified `element` to the end of this list, if it doesn't - * contains it. Ignores the call if `element` is already contained. - * @param {Object|Number|String} element - */ - _add: function _add(element) { - let list = this._keyValueMap, - index = list.indexOf(element); - if (0 > index) - list.push(this._public[list.length] = element); - }, - /** - * Removes specified `element` from this list, if it contains it. - * Ignores the call if `element` is not contained. - * @param {Object|Number|String} element - */ - _remove: function _remove(element) { - let list = this._keyValueMap, - index = list.indexOf(element); - if (0 <= index) { - delete this._public[list.length - 1]; - list.splice(index, 1); - for (let length = list.length; index < length; index++) - this._public[index] = list[index]; - } - }, - /** - * Removes all of the elements from this list. - */ - _clear: function _clear() { - for (let i = 0, ii = this._keyValueMap.length; i < ii; i ++) - delete this._public[i]; - this._keyValueMap.splice(0); - }, - /** - * Custom iterator providing `List`s enumeration behavior. - * We cant reuse `_iterator` that is defined by `Iterable` since it provides - * iteration in an arbitrary order. - * @see https://developer.mozilla.org/en/JavaScript/Reference/Statements/for...in - * @param {Boolean} onKeys - */ - __iterator__: function __iterator__(onKeys, onKeyValue) { - let array = this._keyValueMap.slice(0), - i = -1; - for each(let element in array) - yield onKeyValue ? [++i, element] : onKeys ? ++i : element; - } -}); -exports.List = List; |