only-changed-jest-watch-plugin/example/node_modules/callsites/index.js

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

'use strict';
module.exports = () => {
	const _ = Error.prepareStackTrace;
	Error.prepareStackTrace = (_, stack) => stack;
	const stack = new Error().stack.slice(1);
	Error.prepareStackTrace = _;
	return stack;
};