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							93 lines
						
					
					
						
							2.3 KiB
						
					
					
				
			
		
		
	
	
							93 lines
						
					
					
						
							2.3 KiB
						
					
					
				"use strict"; | 
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module.exports = function(Promise, INTERNAL, debug) { | 
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var util = require("./util"); | 
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var TimeoutError = Promise.TimeoutError; | 
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 | 
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function HandleWrapper(handle)  { | 
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    this.handle = handle; | 
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} | 
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 | 
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HandleWrapper.prototype._resultCancelled = function() { | 
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    clearTimeout(this.handle); | 
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}; | 
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 | 
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var afterValue = function(value) { return delay(+this).thenReturn(value); }; | 
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var delay = Promise.delay = function (ms, value) { | 
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    var ret; | 
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    var handle; | 
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    if (value !== undefined) { | 
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        ret = Promise.resolve(value) | 
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                ._then(afterValue, null, null, ms, undefined); | 
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        if (debug.cancellation() && value instanceof Promise) { | 
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            ret._setOnCancel(value); | 
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        } | 
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    } else { | 
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        ret = new Promise(INTERNAL); | 
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        handle = setTimeout(function() { ret._fulfill(); }, +ms); | 
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        if (debug.cancellation()) { | 
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            ret._setOnCancel(new HandleWrapper(handle)); | 
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        } | 
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        ret._captureStackTrace(); | 
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    } | 
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    ret._setAsyncGuaranteed(); | 
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    return ret; | 
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}; | 
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 | 
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Promise.prototype.delay = function (ms) { | 
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    return delay(ms, this); | 
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}; | 
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 | 
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var afterTimeout = function (promise, message, parent) { | 
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    var err; | 
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    if (typeof message !== "string") { | 
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        if (message instanceof Error) { | 
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            err = message; | 
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        } else { | 
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            err = new TimeoutError("operation timed out"); | 
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        } | 
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    } else { | 
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        err = new TimeoutError(message); | 
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    } | 
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    util.markAsOriginatingFromRejection(err); | 
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    promise._attachExtraTrace(err); | 
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    promise._reject(err); | 
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 | 
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    if (parent != null) { | 
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        parent.cancel(); | 
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    } | 
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}; | 
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 | 
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function successClear(value) { | 
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    clearTimeout(this.handle); | 
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    return value; | 
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} | 
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 | 
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function failureClear(reason) { | 
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    clearTimeout(this.handle); | 
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    throw reason; | 
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} | 
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 | 
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Promise.prototype.timeout = function (ms, message) { | 
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    ms = +ms; | 
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    var ret, parent; | 
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 | 
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    var handleWrapper = new HandleWrapper(setTimeout(function timeoutTimeout() { | 
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        if (ret.isPending()) { | 
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            afterTimeout(ret, message, parent); | 
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        } | 
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    }, ms)); | 
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 | 
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    if (debug.cancellation()) { | 
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        parent = this.then(); | 
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        ret = parent._then(successClear, failureClear, | 
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                            undefined, handleWrapper, undefined); | 
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        ret._setOnCancel(handleWrapper); | 
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    } else { | 
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        ret = this._then(successClear, failureClear, | 
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                            undefined, handleWrapper, undefined); | 
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    } | 
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 | 
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    return ret; | 
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}; | 
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 | 
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};
 | 
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