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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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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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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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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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function createContext() { |
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if (longStackTraces) return new Context(); |
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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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