X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=node_modules%2Fgrunt-legacy-util%2Fnode_modules%2Flodash%2F_stringSize.js;fp=node_modules%2Fgrunt-legacy-util%2Fnode_modules%2Flodash%2F_stringSize.js;h=7aa9f4125ad362d32db12a992aadd96e3a754566;hp=0000000000000000000000000000000000000000;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad diff --git a/node_modules/grunt-legacy-util/node_modules/lodash/_stringSize.js b/node_modules/grunt-legacy-util/node_modules/lodash/_stringSize.js new file mode 100644 index 000000000..7aa9f4125 --- /dev/null +++ b/node_modules/grunt-legacy-util/node_modules/lodash/_stringSize.js @@ -0,0 +1,48 @@ +/** 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 rsAstral = '[' + rsAstralRange + ']', + rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']', + rsFitz = '\\ud83c[\\udffb-\\udfff]', + rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')', + rsNonAstral = '[^' + rsAstralRange + ']', + rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}', + rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]', + rsZWJ = '\\u200d'; + +/** Used to compose unicode regexes. */ +var reOptMod = rsModifier + '?', + rsOptVar = '[' + rsVarRange + ']?', + rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*', + rsSeq = rsOptVar + reOptMod + rsOptJoin, + rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')'; + +/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */ +var reComplexSymbol = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g'); + +/** 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 reHasComplexSymbol = RegExp('[' + rsZWJ + rsAstralRange + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']'); + +/** + * Gets the number of symbols in `string`. + * + * @private + * @param {string} string The string to inspect. + * @returns {number} Returns the string size. + */ +function stringSize(string) { + if (!(string && reHasComplexSymbol.test(string))) { + return string.length; + } + var result = reComplexSymbol.lastIndex = 0; + while (reComplexSymbol.test(string)) { + result++; + } + return result; +} + +module.exports = stringSize;