owltide/composables/string.ts

/*
	SPDX-FileCopyrightText: © 2025 Hornwitser <code@hornwitser.no>
	SPDX-License-Identifier: AGPL-3.0-or-later
*/
export function useStringSort() {
	const accountStore = useAccountStore();
	const localeCompare = computed(() => Intl.Collator(
		accountStore.activeLocale,
		{
			usage: "sort",
			numeric: true,
			sensitivity: "base",
		},
	).compare);
	return function stringSort(a: string, b: string) {
		return localeCompare.value(a, b);
	}
}

export function useFuzzyMatch() {
	const accountStore = useAccountStore();
	const localeCompare = computed(() => Intl.Collator(
		accountStore.activeLocale,
		{
			usage: "search",
			sensitivity: "base",
		},
	).compare);
	return function fuzzyMatch(pattern: string, text: string) {
		let pos = 0;
		for (const char of text) {
			if (localeCompare.value(char, pattern[pos]) === 0) {
				pos += 1;
				if (pos === pattern.length) {
					return true;
				}
			}
		}
		return pos === pattern.length;
	}
}