Index: frontend/node_modules/get-caller-file/index.js
===================================================================
--- frontend/node_modules/get-caller-file/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/get-caller-file/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,22 @@
+"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