[d565449] | 1 | /** Used to compose unicode character classes. */
|
---|
| 2 | var rsAstralRange = '\\ud800-\\udfff',
|
---|
| 3 | rsComboMarksRange = '\\u0300-\\u036f',
|
---|
| 4 | reComboHalfMarksRange = '\\ufe20-\\ufe2f',
|
---|
| 5 | rsComboSymbolsRange = '\\u20d0-\\u20ff',
|
---|
| 6 | rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
|
---|
| 7 | rsVarRange = '\\ufe0e\\ufe0f';
|
---|
| 8 |
|
---|
| 9 | /** Used to compose unicode capture groups. */
|
---|
| 10 | var rsAstral = '[' + rsAstralRange + ']',
|
---|
| 11 | rsCombo = '[' + rsComboRange + ']',
|
---|
| 12 | rsFitz = '\\ud83c[\\udffb-\\udfff]',
|
---|
| 13 | rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
|
---|
| 14 | rsNonAstral = '[^' + rsAstralRange + ']',
|
---|
| 15 | rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
|
---|
| 16 | rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
|
---|
| 17 | rsZWJ = '\\u200d';
|
---|
| 18 |
|
---|
| 19 | /** Used to compose unicode regexes. */
|
---|
| 20 | var reOptMod = rsModifier + '?',
|
---|
| 21 | rsOptVar = '[' + rsVarRange + ']?',
|
---|
| 22 | rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
|
---|
| 23 | rsSeq = rsOptVar + reOptMod + rsOptJoin,
|
---|
| 24 | rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
|
---|
| 25 |
|
---|
| 26 | /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
|
---|
| 27 | var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
|
---|
| 28 |
|
---|
| 29 | /**
|
---|
| 30 | * Converts a Unicode `string` to an array.
|
---|
| 31 | *
|
---|
| 32 | * @private
|
---|
| 33 | * @param {string} string The string to convert.
|
---|
| 34 | * @returns {Array} Returns the converted array.
|
---|
| 35 | */
|
---|
| 36 | function unicodeToArray(string) {
|
---|
| 37 | return string.match(reUnicode) || [];
|
---|
| 38 | }
|
---|
| 39 |
|
---|
| 40 | export default unicodeToArray;
|
---|