only-changed-jest-watch-plugin/example/node_modules/util.promisify/polyfill.js

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

'use strict';

var util = require('util');
var implementation = require('./implementation');

module.exports = function getPolyfill() {
	if (typeof util.promisify === 'function') {
		return util.promisify;
	}
	return implementation;
};