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Diffstat (limited to 'node_modules/react-dom/lib/KeyEscapeUtils.js')
-rw-r--r-- | node_modules/react-dom/lib/KeyEscapeUtils.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/node_modules/react-dom/lib/KeyEscapeUtils.js b/node_modules/react-dom/lib/KeyEscapeUtils.js new file mode 100644 index 000000000..0abf1a22c --- /dev/null +++ b/node_modules/react-dom/lib/KeyEscapeUtils.js @@ -0,0 +1,58 @@ +/** + * Copyright 2013-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + * + */ + +'use strict'; + +/** + * Escape and wrap key so it is safe to use as a reactid + * + * @param {string} key to be escaped. + * @return {string} the escaped key. + */ + +function escape(key) { + var escapeRegex = /[=:]/g; + var escaperLookup = { + '=': '=0', + ':': '=2' + }; + var escapedString = ('' + key).replace(escapeRegex, function (match) { + return escaperLookup[match]; + }); + + return '$' + escapedString; +} + +/** + * Unescape and unwrap key for human-readable display + * + * @param {string} key to unescape. + * @return {string} the unescaped key. + */ +function unescape(key) { + var unescapeRegex = /(=0|=2)/g; + var unescaperLookup = { + '=0': '=', + '=2': ':' + }; + var keySubstring = key[0] === '.' && key[1] === '$' ? key.substring(2) : key.substring(1); + + return ('' + keySubstring).replace(unescapeRegex, function (match) { + return unescaperLookup[match]; + }); +} + +var KeyEscapeUtils = { + escape: escape, + unescape: unescape +}; + +module.exports = KeyEscapeUtils;
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