signal-desktop/ts/util/grapheme.ts

13 lines
362 B
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
export function count(str: string): number {
const segments = new Intl.Segmenter().segment(str);
const iterator = segments[Symbol.iterator]();
let result = -1;
for (let done = false; !done; result += 1) {
done = Boolean(iterator.next().done);
}
return result;
}