Differential D7238 Diff 24771 keyserver/src/utils/segmenter.js

Changeset View

Standalone View

				// @flow

				type SegmenterOptions = {
				localeMatcher?: 'best fit' \| 'lookup',
				granularity?: 'grapheme' \| 'word' \| 'sentence',
				};

				type ResolvedSegmenterOptions = {
				locale: string,
				granularity: 'grapheme' \| 'word' \| 'sentence',
				};

				declare class Segmenter {
				constructor(
				locales?: Intl$Locale \| Intl$Locale[],
				options?: SegmenterOptions,
				): Segmenter;

				resolvedOptions(): ResolvedSegmenterOptions;

				segment(input: string): Segments;
				}

				type SegmentData = {
				segment: string,
				index: number,
				input: string,
				isWordLike?: boolean,
				};

				declare class Segments {
				containing(codeUnitIndex?: number): SegmentData;
				@@iterator: () => Iterator<SegmentData>;
				}

				type OurIntlType = {
				+Collator: Class<Intl$Collator>,
				+DateTimeFormat: Class<Intl$DateTimeFormat>,
				+NumberFormat: Class<Intl$NumberFormat>,
				+PluralRules: ?Class<Intl$PluralRules>,
				+getCanonicalLocales?: (locales?: Intl$Locales) => Intl$Locale[],
				+Segmenter: Class<Segmenter>,
				};

				const OurIntl: OurIntlType = (Intl: any);
				const segmenter = new OurIntl.Segmenter('eng', { granularity: 'word' });

				function getSegmenter(): Segmenter {
				return segmenter;
				}

				export { getSegmenter };