bluebird/js/zalgo/properties_promise_array.js

Full featured Promises/A+ implementation with exceptionally good performance

/**
 * Copyright (c) 2013 Petka Antonov
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:</p>
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
"use strict";
var ASSERT = require("./assert.js");
var Promise = require("./get_promise.js").get();
var PromiseArray = require( "./promise_array.js" );
var util = require("./util.js");
var inherits = util.inherits;

function PropertiesPromiseArray( obj, caller, boundTo ) {
    var keys = Object.keys( obj );
    var values = new Array( keys.length );
    for( var i = 0, len = values.length; i < len; ++i ) {
        values[i] = obj[keys[i]];
    }
    this.constructor$( values, caller, boundTo );
    if( !this._isResolved() ) {
        for( var i = 0, len = keys.length; i < len; ++i ) {
            values.push( keys[i] );
        }
    }
}
inherits( PropertiesPromiseArray, PromiseArray );

PropertiesPromiseArray.prototype._init =
function PropertiesPromiseArray$_init() {
    this._init$( void 0, 2 ) ;
};

PropertiesPromiseArray.prototype._promiseFulfilled =
function PropertiesPromiseArray$_promiseFulfilled( value, index ) {
    if( this._isResolved() ) return;
    this._values[ index ] = value;
    var totalResolved = ++this._totalResolved;
    if( totalResolved >= this._length ) {
        var val = {};
        var keyOffset = this.length();
        for( var i = 0, len = this.length(); i < len; ++i ) {
            val[this._values[i + keyOffset]] = this._values[i];
        }
        this._fulfill( val );
    }
};

PropertiesPromiseArray.prototype._promiseProgressed =
function PropertiesPromiseArray$_promiseProgressed( value, index ) {
    if( this._isResolved() ) return;

    this._resolver.progress({
        key: this._values[ index + this.length() ],
        value: value
    });
};

PromiseArray.PropertiesPromiseArray = PropertiesPromiseArray;

module.exports = PropertiesPromiseArray;