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39 lines
938 B
JavaScript
39 lines
938 B
JavaScript
"use strict";
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module.exports = function(Promise, CapturedTrace, isDebugging) {
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var contextStack = [];
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function Context() {
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this._trace = new CapturedTrace(peekContext());
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}
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Context.prototype._pushContext = function () {
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if (!isDebugging()) return;
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if (this._trace !== undefined) {
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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 (!isDebugging()) return;
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if (this._trace !== undefined) {
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contextStack.pop();
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}
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};
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function createContext() {
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if (isDebugging()) 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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Promise.prototype._peekContext = peekContext;
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Promise.prototype._pushContext = Context.prototype._pushContext;
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Promise.prototype._popContext = Context.prototype._popContext;
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return createContext;
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};
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