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Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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100644
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File size:
1.1 KB
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| 1 | "use strict";
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| 2 | // Call this function in a another function to find out the file from
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| 3 | // which that function was called from. (Inspects the v8 stack trace)
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| 4 | //
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| 5 | // Inspired by http://stackoverflow.com/questions/13227489
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| 6 | module.exports = function getCallerFile(position) {
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| 7 | if (position === void 0) { position = 2; }
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| 8 | if (position >= Error.stackTraceLimit) {
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| 9 | throw new TypeError('getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: `' + position + '` and Error.stackTraceLimit was: `' + Error.stackTraceLimit + '`');
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| 10 | }
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| 11 | var oldPrepareStackTrace = Error.prepareStackTrace;
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| 12 | Error.prepareStackTrace = function (_, stack) { return stack; };
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| 13 | var stack = new Error().stack;
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| 14 | Error.prepareStackTrace = oldPrepareStackTrace;
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| 15 | if (stack !== null && typeof stack === 'object') {
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| 16 | // stack[0] holds this file
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| 17 | // stack[1] holds where this function was called
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| 18 | // stack[2] holds the file we're interested in
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| 19 | return stack[position] ? stack[position].getFileName() : undefined;
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| 20 | }
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| 21 | };
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| 22 | //# sourceMappingURL=index.js.map |
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