mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-01-31 15:27:50 +00:00
70 lines
3.0 KiB
JavaScript
70 lines
3.0 KiB
JavaScript
/** Used to compose unicode character classes. */
|
|
const rsAstralRange = '\\ud800-\\udfff';
|
|
const rsComboMarksRange = '\\u0300-\\u036f';
|
|
const reComboHalfMarksRange = '\\ufe20-\\ufe2f';
|
|
const rsComboSymbolsRange = '\\u20d0-\\u20ff';
|
|
const rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange;
|
|
const rsDingbatRange = '\\u2700-\\u27bf';
|
|
const rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff';
|
|
const rsMathOpRange = '\\xac\\xb1\\xd7\\xf7';
|
|
const rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf';
|
|
const rsPunctuationRange = '\\u2000-\\u206f';
|
|
const rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000';
|
|
const rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde';
|
|
const rsVarRange = '\\ufe0e\\ufe0f';
|
|
const rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
|
|
|
|
/** Used to compose unicode capture groups. */
|
|
const rsApos = "['\u2019]";
|
|
const rsBreak = `[${ rsBreakRange }]`;
|
|
const rsCombo = `[${ rsComboRange }]`;
|
|
const rsDigits = '\\d+';
|
|
const rsDingbat = `[${ rsDingbatRange }]`;
|
|
const rsLower = `[${ rsLowerRange }]`;
|
|
const rsMisc = `[^${ rsAstralRange }${ rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange }]`;
|
|
const rsFitz = '\\ud83c[\\udffb-\\udfff]';
|
|
const rsModifier = `(?:${ rsCombo }|${ rsFitz })`;
|
|
const rsNonAstral = `[^${ rsAstralRange }]`;
|
|
const rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}';
|
|
const rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]';
|
|
const rsUpper = `[${ rsUpperRange }]`;
|
|
const rsZWJ = '\\u200d';
|
|
|
|
/** Used to compose unicode regexes. */
|
|
const rsMiscLower = `(?:${ rsLower }|${ rsMisc })`;
|
|
const rsMiscUpper = `(?:${ rsUpper }|${ rsMisc })`;
|
|
const rsOptContrLower = `(?:${ rsApos }(?:d|ll|m|re|s|t|ve))?`;
|
|
const rsOptContrUpper = `(?:${ rsApos }(?:D|LL|M|RE|S|T|VE))?`;
|
|
const reOptMod = `${ rsModifier }?`;
|
|
const rsOptVar = `[${ rsVarRange }]?`;
|
|
const rsOptJoin = `(?:${ rsZWJ }(?:${ [rsNonAstral, rsRegional, rsSurrPair].join('|') })${ rsOptVar + reOptMod })*`;
|
|
const rsOrdLower = '\\d*(?:(?:1st|2nd|3rd|(?![123])\\dth)\\b)';
|
|
const rsOrdUpper = '\\d*(?:(?:1ST|2ND|3RD|(?![123])\\dTH)\\b)';
|
|
const rsSeq = rsOptVar + reOptMod + rsOptJoin;
|
|
const rsEmoji = `(?:${ [rsDingbat, rsRegional, rsSurrPair].join('|') })${ rsSeq }`;
|
|
|
|
/** Used to match complex or compound words. */
|
|
const reUnicodeWord = RegExp([
|
|
`${ rsUpper }?${ rsLower }+${ rsOptContrLower }(?=${ [rsBreak, rsUpper, '$'].join('|') })`,
|
|
`${ rsMiscUpper }+${ rsOptContrUpper }(?=${ [rsBreak, rsUpper + rsMiscLower, '$'].join('|') })`,
|
|
`${ rsUpper }?${ rsMiscLower}+${ rsOptContrLower }`,
|
|
`${ rsUpper }+${ rsOptContrUpper }`,
|
|
rsOrdUpper,
|
|
rsOrdLower,
|
|
rsDigits,
|
|
rsEmoji
|
|
].join('|'), 'g');
|
|
|
|
/**
|
|
* Splits a Unicode `string` into an array of its words.
|
|
*
|
|
* @private
|
|
* @param {string} The string to inspect.
|
|
* @returns {Array} Returns the words of `string`.
|
|
*/
|
|
function unicodeWords(string) {
|
|
return string.match(reUnicodeWord) || [];
|
|
}
|
|
|
|
export default unicodeWords;
|