52 lines
1.7 KiB
TypeScript
52 lines
1.7 KiB
TypeScript
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// Copyright 2025 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { useCallback } from 'react';
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import type { EmojiParentKey, EmojiVariantKey } from './data/emojis';
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import {
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getEmojiParentKeyByVariantKey,
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getEmojiVariantKeyByValue,
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isEmojiVariantValue,
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} from './data/emojis';
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import type { LocaleEmojiListType } from '../../types/emoji';
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import { strictAssert } from '../../util/assert';
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import { useFunEmojiLocalization } from './FunEmojiLocalizationProvider';
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export type FunEmojiLocalizerIndex = ReadonlyMap<EmojiParentKey, string>;
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export type FunEmojiLocalizer = (key: EmojiVariantKey) => string;
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export function createFunEmojiLocalizerIndex(
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localeEmojiList: LocaleEmojiListType
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): FunEmojiLocalizerIndex {
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const index = new Map<EmojiParentKey, string>();
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for (const entry of localeEmojiList) {
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strictAssert(
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isEmojiVariantValue(entry.emoji),
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'createFunEmojiLocalizerIndex: Must be emoji variant value'
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);
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const variantKey = getEmojiVariantKeyByValue(entry.emoji);
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const parentKey = getEmojiParentKeyByVariantKey(variantKey);
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index.set(parentKey, entry.tags.at(0) ?? entry.shortName);
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}
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return index;
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}
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export function useFunEmojiLocalizer(): FunEmojiLocalizer {
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const { emojiLocalizerIndex } = useFunEmojiLocalization();
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const emojiLocalizer: FunEmojiLocalizer = useCallback(
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variantKey => {
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const parentKey = getEmojiParentKeyByVariantKey(variantKey);
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const localeShortName = emojiLocalizerIndex.get(parentKey);
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strictAssert(
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localeShortName,
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`useFunEmojiLocalizer: Missing translation for ${variantKey}`
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);
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return localeShortName;
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},
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[emojiLocalizerIndex]
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);
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return emojiLocalizer;
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}
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