diff options
author | Florian Dold <florian.dold@gmail.com> | 2016-11-03 01:33:53 +0100 |
---|---|---|
committer | Florian Dold <florian.dold@gmail.com> | 2016-11-03 01:33:53 +0100 |
commit | d1291f67551c58168af43698a359cb5ddfd266b0 (patch) | |
tree | 55a13ed29fe1915e3f42f1b1b7038dafa2e975a7 /node_modules/lodash/_hasUnicode.js | |
parent | d0a0695fb5d34996850723f7d4b1b59c3df909c2 (diff) |
node_modules
Diffstat (limited to 'node_modules/lodash/_hasUnicode.js')
-rw-r--r-- | node_modules/lodash/_hasUnicode.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/node_modules/lodash/_hasUnicode.js b/node_modules/lodash/_hasUnicode.js new file mode 100644 index 000000000..085161a3d --- /dev/null +++ b/node_modules/lodash/_hasUnicode.js @@ -0,0 +1,24 @@ +/** Used to compose unicode character classes. */ +var rsAstralRange = '\\ud800-\\udfff', + rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23', + rsComboSymbolsRange = '\\u20d0-\\u20f0', + rsVarRange = '\\ufe0e\\ufe0f'; + +/** Used to compose unicode capture groups. */ +var rsZWJ = '\\u200d'; + +/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */ +var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']'); + +/** + * Checks if `string` contains Unicode symbols. + * + * @private + * @param {string} string The string to inspect. + * @returns {boolean} Returns `true` if a symbol is found, else `false`. + */ +function hasUnicode(string) { + return reHasUnicode.test(string); +} + +module.exports = hasUnicode; |