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🌍 Proprietary system for translations implemented
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,65 +1,62 @@ | ||
| import { Crypt } from '@/class/crypt.js' | ||
| import { question } from '@/class/questions.js' | ||
| import { rootPath } from '@/index.js' | ||
| import { credentials, rootPath } from '@/index.js' | ||
| import { exists } from '@/lib/exists.js' | ||
| import { QuestionTypes } from '@/types/questions.js' | ||
| import flags from 'country-code-to-flag-emoji' | ||
| import { glob } from 'glob' | ||
| import i18next, { TFunction } from 'i18next' | ||
| import Backend, { FsBackendOptions } from 'i18next-fs-backend' | ||
| import { LangProps, Paths, ValueOfLang } from '@/types/lang.js' | ||
| import { readFile } from 'fs/promises' | ||
| import { join } from 'path' | ||
| import langBase from '../../locales/en/translation.json' | ||
| import { glob } from 'glob' | ||
|
|
||
| const cache = new Map<string, typeof langBase>() | ||
|
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| const path = join(rootPath, '..', 'locales') | ||
| const allLangs = (await glob('**/translation.json', { cwd: path })) | ||
|
|
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| for (const lang of allLangs) { | ||
| cache.set(lang.split('/')[0], JSON.parse(await readFile(join(path, lang), { encoding: 'utf-8' }))) | ||
| } | ||
|
|
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| export class Lang { | ||
| static language: string | ||
|
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| constructor ({ language }: LangProps) { | ||
| Lang.language = language | ||
| } | ||
|
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| get<P extends Paths<typeof langBase>>(path: P, metadata?: Record<string, string>): ValueOfLang<typeof langBase, P> | string { | ||
| const keys = path.split('.') as Array<string> | ||
| let result: string | undefined | object | ||
| const data = cache.get(Lang.language) as any | undefined | ||
|
|
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| if (data === undefined) throw new Error('Cache not defined fotr languages') | ||
|
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| export class Lang { | ||
| async setLanguage (lang: string, change?: boolean) { | ||
| const path = join(rootPath, '..', 'locales', lang) | ||
| for (const key of keys) { | ||
| if (result === undefined) { result = data[key]; continue } | ||
| if (typeof result === 'object') { result = (result as Record<string, string>)[key]; continue } | ||
| } | ||
|
|
||
| if (metadata !== undefined){ | ||
| for (const [key, data] of Object.entries(metadata)) { | ||
| (result as string).replaceAll(key, data) | ||
| } | ||
| } | ||
|
|
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| return result as string | ||
| } | ||
|
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| async setLanguage (newLang: string, change?: boolean) { | ||
| const path = join(rootPath, '..', 'locales', newLang) | ||
| const crypt = new Crypt() | ||
|
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||
| if (!(await exists(path))) { | ||
| console.log(`⛔ The selected language (${lang}) does not exist, using English by default`) | ||
| await i18next.changeLanguage('en') | ||
| if (change) await crypt.write({ language: 'en' }) | ||
| } else { | ||
| await i18next.changeLanguage(lang) | ||
| if (change) await crypt.write({ language: lang }) | ||
| } | ||
| } | ||
|
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||
| async selectLanguage () { | ||
| const path = join(rootPath, '..', 'locales') | ||
| const allLangs = (await glob('**/*.json', { cwd: path })).map((lang) => lang.split('/')[0]) | ||
| const langs = [] | ||
| for (const lang of allLangs) { | ||
| if (langs.filter((langExist) => langExist === lang).length == 0) langs.push(lang) | ||
| console.log(`⛔ The selected language (${newLang}) does not exist, using English by default`) | ||
| newLang = 'en' | ||
| } | ||
| const choices = langs.map((lang) => ({ name: `${flags(lang)} - ${lang}`, value: lang })) | ||
| const response = await question({ | ||
| type: QuestionTypes.Select, | ||
| message: 'Which language should I continue with?', | ||
| choices | ||
| }) | ||
| if (response === undefined) throw new Error('Please select a language') | ||
| this.setLanguage(response, true) | ||
| } | ||
| /** | ||
| * Inicializar i18 | ||
| */ | ||
| async create () { | ||
| return await i18next.use(Backend).init<FsBackendOptions>({ | ||
| debug: true, | ||
| initImmediate: false, | ||
| lng: i18next.language ?? 'en', | ||
| fallbackLng: 'en', | ||
| backend: { | ||
| loadPath: join(rootPath, '..', 'locales', '{{lng}}', '{{ns}}.json'), | ||
| } | ||
| }) | ||
|
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| Lang.language = newLang | ||
| if (change) await crypt.write({ language: newLang }) | ||
| } | ||
| } | ||
|
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| /** | ||
| * Package language controller | ||
| * | ||
| * @type {TFunction<'translation', undefined>} | ||
| */ | ||
| export const i18: TFunction<'translation', undefined> = i18next.isInitialized ? i18next.t : await new Lang().create() | ||
| export const lang = new Lang({ language: credentials.get('language') as string ?? 'en' }) | ||
| export const i18 = lang.get |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| export interface LangProps { | ||
| language: 'pt-BR' | 'en' | string | ||
| } | ||
|
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| export type ExtractObjectPath<T, Key extends keyof T> = Key extends string | ||
| ? T[Key] extends Record<string, any> | ||
| ? `${Key}.${ExtractObjectPath<T[Key], Extract<keyof T[Key], string>>}` | ||
| : `${Key}` | ||
| : never | ||
|
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| export type Paths<T> = ExtractObjectPath<T, keyof T> | ||
|
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| export type ValueOfLang<T, P extends Paths<T>> = P extends `${infer Key}.${infer Rest}` | ||
| ? Key extends keyof T | ||
| ? Rest extends Paths<T[Key]> | ||
| ? ValueOfLang<T[Key], Rest> | ||
| : never | ||
| : never | ||
| : P extends keyof T | ||
| ? T[P] | ||
| : never |