'use strict';
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var $Error = require('es-errors');
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module.exports = function () {
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// see https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
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var origPrepareStackTrace = $Error.prepareStackTrace;
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$Error.prepareStackTrace = function (_, stack) { return stack; };
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var stack = (new $Error()).stack;
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$Error.prepareStackTrace = origPrepareStackTrace;
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return stack[2].getFileName();
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};
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