only-changed-jest-watch-plugin/example/node_modules/resolve/lib/caller.js

Jest watch plugin for running either only the modified test (for TDD), or tests of dependant modules

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