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