70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
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"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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