“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);
    values.suppressUnhandledRejections();
}
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; };