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							69 lines
						
					
					
						
							2.3 KiB
						
					
					
				
			
		
		
	
	
							69 lines
						
					
					
						
							2.3 KiB
						
					
					
				"use strict"; | 
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module.exports = function(Promise) { | 
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var longStackTraces = false; | 
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var contextStack = []; | 
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 | 
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Promise.prototype._promiseCreated = function() {}; | 
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Promise.prototype._pushContext = function() {}; | 
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Promise.prototype._popContext = function() {return null;}; | 
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Promise._peekContext = Promise.prototype._peekContext = function() {}; | 
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 | 
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function Context() { | 
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    this._trace = new Context.CapturedTrace(peekContext()); | 
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} | 
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Context.prototype._pushContext = function () { | 
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    if (this._trace !== undefined) { | 
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        this._trace._promiseCreated = null; | 
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        contextStack.push(this._trace); | 
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    } | 
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}; | 
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 | 
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Context.prototype._popContext = function () { | 
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    if (this._trace !== undefined) { | 
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        var trace = contextStack.pop(); | 
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        var ret = trace._promiseCreated; | 
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        trace._promiseCreated = null; | 
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        return ret; | 
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    } | 
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    return null; | 
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}; | 
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 | 
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function createContext() { | 
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    if (longStackTraces) return new Context(); | 
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} | 
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 | 
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function peekContext() { | 
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    var lastIndex = contextStack.length - 1; | 
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    if (lastIndex >= 0) { | 
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        return contextStack[lastIndex]; | 
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    } | 
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    return undefined; | 
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} | 
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Context.CapturedTrace = null; | 
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Context.create = createContext; | 
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Context.deactivateLongStackTraces = function() {}; | 
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Context.activateLongStackTraces = function() { | 
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    var Promise_pushContext = Promise.prototype._pushContext; | 
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    var Promise_popContext = Promise.prototype._popContext; | 
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    var Promise_PeekContext = Promise._peekContext; | 
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    var Promise_peekContext = Promise.prototype._peekContext; | 
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    var Promise_promiseCreated = Promise.prototype._promiseCreated; | 
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    Context.deactivateLongStackTraces = function() { | 
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        Promise.prototype._pushContext = Promise_pushContext; | 
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        Promise.prototype._popContext = Promise_popContext; | 
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        Promise._peekContext = Promise_PeekContext; | 
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        Promise.prototype._peekContext = Promise_peekContext; | 
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        Promise.prototype._promiseCreated = Promise_promiseCreated; | 
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        longStackTraces = false; | 
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    }; | 
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    longStackTraces = true; | 
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    Promise.prototype._pushContext = Context.prototype._pushContext; | 
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    Promise.prototype._popContext = Context.prototype._popContext; | 
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    Promise._peekContext = Promise.prototype._peekContext = peekContext; | 
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    Promise.prototype._promiseCreated = function() { | 
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        var ctx = this._peekContext(); | 
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        if (ctx && ctx._promiseCreated == null) ctx._promiseCreated = this; | 
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    }; | 
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}; | 
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return Context; | 
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};
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