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