@newdash/newdash/.internal/unicodeSize.js

javascript/typescript utility library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/** Used to compose unicode character classes. */
const rsAstralRange = '\\ud800-\\udfff';
const rsComboMarksRange = '\\u0300-\\u036f';
const reComboHalfMarksRange = '\\ufe20-\\ufe2f';
const rsComboSymbolsRange = '\\u20d0-\\u20ff';
const rsComboMarksExtendedRange = '\\u1ab0-\\u1aff';
const rsComboMarksSupplementRange = '\\u1dc0-\\u1dff';
const rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange + rsComboMarksExtendedRange + rsComboMarksSupplementRange;
const rsVarRange = '\\ufe0e\\ufe0f';
/** Used to compose unicode capture groups. */
const rsAstral = `[${rsAstralRange}]`;
const rsCombo = `[${rsComboRange}]`;
const rsFitz = '\\ud83c[\\udffb-\\udfff]';
const rsModifier = `(?:${rsCombo}|${rsFitz})`;
const rsNonAstral = `[^${rsAstralRange}]`;
const rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}';
const rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]';
const rsZWJ = '\\u200d';
/** Used to compose unicode regexes. */
const reOptMod = `${rsModifier}?`;
const rsOptVar = `[${rsVarRange}]?`;
const rsOptJoin = `(?:${rsZWJ}(?:${[rsNonAstral, rsRegional, rsSurrPair].join('|')})${rsOptVar + reOptMod})*`;
const rsSeq = rsOptVar + reOptMod + rsOptJoin;
const rsNonAstralCombo = `${rsNonAstral}${rsCombo}?`;
const rsSymbol = `(?:${[rsNonAstralCombo, rsCombo, rsRegional, rsSurrPair, rsAstral].join('|')})`;
/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
const reUnicode = RegExp(`${rsFitz}(?=${rsFitz})|${rsSymbol + rsSeq}`, 'g');
/**
 * Gets the size of a Unicode `string`.
 *
 * @private
 * @param {string} string The string inspect.
 * @returns {number} Returns the string size.
 */
function unicodeSize(string) {
    let result = reUnicode.lastIndex = 0;
    while (reUnicode.test(string)) {
        ++result;
    }
    return result;
}
exports.default = unicodeSize;