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