"use strict"; /* * Copyright 2024 Google LLC. * Copyright (c) Microsoft Corporation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ Object.defineProperty(exports, "__esModule", { value: true }); exports.isSingleComplexGrapheme = isSingleComplexGrapheme; exports.isSingleGrapheme = isSingleGrapheme; /** * Check if the given string is a single complex grapheme. A complex grapheme is one that * is made up of multiple characters. */ function isSingleComplexGrapheme(value) { return isSingleGrapheme(value) && value.length > 1; } /** * Check if the given string is a single grapheme. */ function isSingleGrapheme(value) { // Theoretically there can be some strings considered a grapheme in some locales, like // slovak "ch" digraph. Use english locale for consistency. // https://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundaries const segmenter = new Intl.Segmenter('en', { granularity: 'grapheme' }); return [...segmenter.segment(value)].length === 1; } //# sourceMappingURL=GraphemeTools.js.map