51 lines
1.2 KiB
TypeScript
51 lines
1.2 KiB
TypeScript
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import en from './en'
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import es from './es'
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export interface LOCALE {
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'PROCESSING' (): string;
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'BTN_ERROR' (): string;
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'DEPRECATION_NOTICE' (btnName: string): string;
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'DOWNLOAD' (fileType: string): string;
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'DOWNLOAD_AUDIO' (fileType: string): string;
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'IND_PARTS' (): string;
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'IND_PARTS_TOOLTIP' (): string;
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'FULL_SCORE' (): string;
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}
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/**
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* type checking only so no missing keys
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*/
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export function createLocale<OBJ extends LOCALE> (obj: OBJ): OBJ {
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return Object.freeze(obj)
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}
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const locales = (<L extends { [n: string]: LOCALE } /** type checking */> (l: L) => Object.freeze(l))({
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en,
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es,
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})
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// detect browser language
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const lang = (() => {
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const names = Object.keys(locales)
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const _lang = navigator.languages.find(l => {
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// find the first occurrence of valid languages
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return names.includes(l)
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})
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return _lang || 'en'
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})()
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export type STR_KEYS = keyof LOCALE
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export type ALL_LOCALES = typeof locales
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export type LANGS = keyof ALL_LOCALES
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// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
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export default function i18n<K extends STR_KEYS, L extends LANGS = 'en'> (key: K) {
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const locale = locales[lang] as ALL_LOCALES[L]
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return locale[key]
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}
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