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

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

/*!
 * is-dotfile <https://github.com/jonschlinkert/is-dotfile>
 *
 * Copyright (c) 2015-2017, Jon Schlinkert.
 * Released under the MIT License.
 */

module.exports = function(str) {
  if (str.charCodeAt(0) === 46 /* . */ && str.indexOf('/', 1) === -1) {
    return true;
  }
  var slash = str.lastIndexOf('/');
  return slash !== -1 ? str.charCodeAt(slash + 1) === 46  /* . */ : false;
};