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							186 lines
						
					
					
						
							5.1 KiB
						
					
					
				
			
		
		
	
	
							186 lines
						
					
					
						
							5.1 KiB
						
					
					
				"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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 | 
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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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 | 
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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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 | 
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PromiseArray.prototype.length = function () { | 
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    return this._length; | 
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}; | 
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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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 | 
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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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 | 
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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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 | 
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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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 | 
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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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 | 
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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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 | 
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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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 | 
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PromiseArray.prototype._isResolved = function () { | 
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    return this._values === null; | 
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}; | 
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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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 | 
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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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 | 
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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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 | 
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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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 | 
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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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 | 
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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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 | 
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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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 | 
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PromiseArray.prototype.shouldCopyValues = function () { | 
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    return true; | 
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}; | 
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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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 | 
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return PromiseArray; | 
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};
 | 
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 |