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"use strict";
module.exports = function(
Promise, PromiseArray, tryConvertToPromise, apiRejection) {
var util = require("./util.js");
var isObject = util.isObject;
var es5 = require("./es5.js");
function PropertiesPromiseArray(obj) {
var keys = es5.keys(obj);
var len = keys.length;
var values = new Array(len * 2);
for (var i = 0; i < len; ++i) {
var key = keys[i];
values[i] = obj[key];
values[i + len] = key;
}
this.constructor$(values);
}
util.inherits(PropertiesPromiseArray, PromiseArray);
PropertiesPromiseArray.prototype._init = function () {
this._init$(undefined, -3) ;
};
PropertiesPromiseArray.prototype._promiseFulfilled = function (value, index) {
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._resolve(val);
}
};
PropertiesPromiseArray.prototype._promiseProgressed = function (value, index) {
this._promise._progress({
key: this._values[index + this.length()],
value: value
});
};
PropertiesPromiseArray.prototype.shouldCopyValues = function () {
return false;
};
PropertiesPromiseArray.prototype.getActualLength = function (len) {
return len >> 1;
};
function props(promises) {
var ret;
var castValue = tryConvertToPromise(promises);
if (!isObject(castValue)) {
return apiRejection("cannot await properties of a non-object\u000a\u000a See http://goo.gl/OsFKC8\u000a");
} else if (castValue instanceof Promise) {
ret = castValue._then(
Promise.props, undefined, undefined, undefined, undefined);
} else {
ret = new PropertiesPromiseArray(castValue).promise();
}
if (castValue instanceof Promise) {
ret._propagateFrom(castValue, 4);
}
return ret;
}
Promise.prototype.props = function () {
return props(this);
};
Promise.props = function (promises) {
return props(promises);
};
};
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