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- "use strict";
- // Call this function in a another function to find out the file from
- // which that function was called from. (Inspects the v8 stack trace)
- //
- // Inspired by http://stackoverflow.com/questions/13227489
- module.exports = function getCallerFile(position) {
- if (position === void 0) { position = 2; }
- if (position >= Error.stackTraceLimit) {
- throw new TypeError('getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: `' + position + '` and Error.stackTraceLimit was: `' + Error.stackTraceLimit + '`');
- }
- var oldPrepareStackTrace = Error.prepareStackTrace;
- Error.prepareStackTrace = function (_, stack) { return stack; };
- var stack = new Error().stack;
- Error.prepareStackTrace = oldPrepareStackTrace;
- if (stack !== null && typeof stack === 'object') {
- // stack[0] holds this file
- // stack[1] holds where this function was called
- // stack[2] holds the file we're interested in
- return stack[position] ? stack[position].getFileName() : undefined;
- }
- };
- //# sourceMappingURL=index.js.map
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