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"use strict";
module.exports = function(Promise, INTERNAL, tryConvertToPromise,
apiRejection, Proxyable) {
var util = require("./util");
var isArray = util.isArray;
function toResolutionValue(val) {
switch(val) {
case -2: return [];
case -3: return {};
case -6: return new Map();
}
}
function PromiseArray(values) {
var promise = this._promise = new Promise(INTERNAL);
if (values instanceof Promise) {
promise._propagateFrom(values, 3);
}
promise._setOnCancel(this);
this._values = values;
this._length = 0;
this._totalResolved = 0;
this._init(undefined, -2);
}
util.inherits(PromiseArray, Proxyable);
PromiseArray.prototype.length = function () {
return this._length;
};
PromiseArray.prototype.promise = function () {
return this._promise;
};
PromiseArray.prototype._init = function init(_, resolveValueIfEmpty) {
var values = tryConvertToPromise(this._values, this._promise);
if (values instanceof Promise) {
values = values._target();
var bitField = values._bitField;
;
this._values = values;
if (((bitField & 50397184) === 0)) {
this._promise._setAsyncGuaranteed();
return values._then(
init,
this._reject,
undefined,
this,
resolveValueIfEmpty
);
} else if (((bitField & 33554432) !== 0)) {
values = values._value();
} else if (((bitField & 16777216) !== 0)) {
return this._reject(values._reason());
} else {
return this._cancel();
}
}
values = util.asArray(values);
if (values === null) {
var err = apiRejection(
"expecting an array or an iterable object but got " + util.classString(values)).reason();
this._promise._rejectCallback(err, false);
return;
}
if (values.length === 0) {
if (resolveValueIfEmpty === -5) {
this._resolveEmptyArray();
}
else {
this._resolve(toResolutionValue(resolveValueIfEmpty));
}
return;
}
this._iterate(values);
};
PromiseArray.prototype._iterate = function(values) {
var len = this.getActualLength(values.length);
this._length = len;
this._values = this.shouldCopyValues() ? new Array(len) : this._values;
var result = this._promise;
var isResolved = false;
var bitField = null;
for (var i = 0; i < len; ++i) {
var maybePromise = tryConvertToPromise(values[i], result);
if (maybePromise instanceof Promise) {
maybePromise = maybePromise._target();
bitField = maybePromise._bitField;
} else {
bitField = null;
}
if (isResolved) {
if (bitField !== null) {
maybePromise.suppressUnhandledRejections();
}
} else if (bitField !== null) {
if (((bitField & 50397184) === 0)) {
maybePromise._proxy(this, i);
this._values[i] = maybePromise;
} else if (((bitField & 33554432) !== 0)) {
isResolved = this._promiseFulfilled(maybePromise._value(), i);
} else if (((bitField & 16777216) !== 0)) {
isResolved = this._promiseRejected(maybePromise._reason(), i);
} else {
isResolved = this._promiseCancelled(i);
}
} else {
isResolved = this._promiseFulfilled(maybePromise, i);
}
}
if (!isResolved) result._setAsyncGuaranteed();
};
PromiseArray.prototype._isResolved = function () {
return this._values === null;
};
PromiseArray.prototype._resolve = function (value) {
this._values = null;
this._promise._fulfill(value);
};
PromiseArray.prototype._cancel = function() {
if (this._isResolved() || !this._promise._isCancellable()) return;
this._values = null;
this._promise._cancel();
};
PromiseArray.prototype._reject = function (reason) {
this._values = null;
this._promise._rejectCallback(reason, false);
};
PromiseArray.prototype._promiseFulfilled = function (value, index) {
this._values[index] = value;
var totalResolved = ++this._totalResolved;
if (totalResolved >= this._length) {
this._resolve(this._values);
return true;
}
return false;
};
PromiseArray.prototype._promiseCancelled = function() {
this._cancel();
return true;
};
PromiseArray.prototype._promiseRejected = function (reason) {
this._totalResolved++;
this._reject(reason);
return true;
};
PromiseArray.prototype._resultCancelled = function() {
if (this._isResolved()) return;
var values = this._values;
this._cancel();
if (values instanceof Promise) {
values.cancel();
} else {
for (var i = 0; i < values.length; ++i) {
if (values[i] instanceof Promise) {
values[i].cancel();
}
}
}
};
PromiseArray.prototype.shouldCopyValues = function () {
return true;
};
PromiseArray.prototype.getActualLength = function (len) {
return len;
};
return PromiseArray;
};
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