45 lines
2.2 KiB
Plaintext
45 lines
2.2 KiB
Plaintext
/*
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* Copyright 2022 Adobe. All rights reserved.
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* This file is licensed to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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* OF ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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import {LocalizedString, LocalizedStringDictionary, LocalizedStringFormatter, LocalizedStrings} from '@internationalized/string';
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import {useLocale} from './context';
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import {useMemo} from 'react';
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const cache = new WeakMap();
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function getCachedDictionary<K extends string, T extends LocalizedString>(strings: LocalizedStrings<K, T>): LocalizedStringDictionary<K, T> {
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let dictionary = cache.get(strings);
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if (!dictionary) {
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dictionary = new LocalizedStringDictionary(strings);
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cache.set(strings, dictionary);
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}
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return dictionary;
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}
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/**
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* Returns a cached LocalizedStringDictionary for the given strings.
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*/
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export function useLocalizedStringDictionary<K extends string = string, T extends LocalizedString = string>(strings: LocalizedStrings<K, T>, packageName?: string): LocalizedStringDictionary<K, T> {
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return (packageName && LocalizedStringDictionary.getGlobalDictionaryForPackage(packageName)) || getCachedDictionary(strings);
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}
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/**
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* Provides localized string formatting for the current locale. Supports interpolating variables,
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* selecting the correct pluralization, and formatting numbers. Automatically updates when the locale changes.
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* @param strings - A mapping of languages to localized strings by key.
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*/
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export function useLocalizedStringFormatter<K extends string = string, T extends LocalizedString = string>(strings: LocalizedStrings<K, T>, packageName?: string): LocalizedStringFormatter<K, T> {
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let {locale} = useLocale();
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let dictionary = useLocalizedStringDictionary(strings, packageName);
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return useMemo(() => new LocalizedStringFormatter(locale, dictionary), [locale, dictionary]);
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}
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