react-native/Libraries/Components/WebView/WebViewShared.js

25 lines
681 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
'use strict';
const escapeStringRegexp = require('escape-string-regexp');
const WebViewShared = {
defaultOriginWhitelist: ['http://*', 'https://*'],
extractOrigin: (url: string): ?string => {
const result = /^[A-Za-z0-9]+:(\/\/)?[^/]*/.exec(url);
return result === null ? null : result[0];
},
originWhitelistToRegex: (originWhitelist: string): string => {
return escapeStringRegexp(originWhitelist).replace(/\\\*/g, '.*');
},
};
module.exports = WebViewShared;