29 lines
1.0 KiB
TypeScript
29 lines
1.0 KiB
TypeScript
/**
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* Intl.Segmenter 策略（优先）
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*
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* 注意：不同 JS 引擎/版本对 Intl.Segmenter 的支持可能不同，调用方必须捕获异常并降级。
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*/
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export function canUseIntlSegmenter(): boolean {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const Seg = (globalThis as any)?.Intl?.Segmenter;
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return typeof Seg === 'function';
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}
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export function segmentWithIntlSegmenter(text: string): string[] {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const Segmenter = (globalThis as any).Intl.Segmenter as new (locales?: string | string[], options?: any) => any;
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// 用 zh-Hant 仅用于选择合适的 locale；grapheme 分割应与语言本身关系不大，但保持固定输入更易对齐跨端。
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const seg = new Segmenter('zh-Hant', { granularity: 'grapheme' });
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const it = seg.segment(text);
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const clusters: string[] = [];
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for (const part of it) {
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// part: { segment: string, index: number, input: string, isWordLike?: boolean }
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clusters.push(part.segment);
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}
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return clusters;
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}
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