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

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

/*!
 * is-primitive <https://github.com/jonschlinkert/is-primitive>
 *
 * Copyright (c) 2014-2015, Jon Schlinkert.
 * Licensed under the MIT License.
 */

'use strict';

// see http://jsperf.com/testing-value-is-primitive/7
module.exports = function isPrimitive(value) {
  return value == null || (typeof value !== 'function' && typeof value !== 'object');
};