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- /*!
- * is-whitespace <https://github.com/jonschlinkert/is-whitespace>
- *
- * Copyright (c) 2014-2015, Jon Schlinkert.
- * Licensed under the MIT License.
- */
- 'use strict';
- var cache;
- module.exports = function isWhitespace(str) {
- return (typeof str === 'string') && regex().test(str);
- };
- function regex() {
- // ensure that runtime compilation only happens once
- return cache || (cache = new RegExp('^[\\s\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF"]+$'));
- }
|
