1/** 2 * @author Toru Nagashima <https://github.com/mysticatea> 3 */ 4"use strict"; 5 6/** 7 * Check whether a given character is a combining mark or not. 8 * @param {number} codePoint The character code to check. 9 * @returns {boolean} `true` if the character belongs to the category, any of `Mc`, `Me`, and `Mn`. 10 */ 11module.exports = function isCombiningCharacter(codePoint) { 12 return /^[\p{Mc}\p{Me}\p{Mn}]$/u.test(String.fromCodePoint(codePoint)); 13}; 14