✨ Feature: finish i18n system

2026-08-28 11:36:58 +08:00 · 2022-08-20 16:44:55 +08:00
parent 86012c0c7b
commit 428ffc7ef1
35 changed files with 1035 additions and 538 deletions
@@ -0,0 +1,95 @@
+import yaml from 'js-yaml'
+import { ObjectAdapter, I18n } from '@picgo/i18n'
+import path from 'path'
+import fs from 'fs-extra'
+
+class I18nManager {
+  private i18n: I18n | null = null
+  private builtinI18nFolder = path.join(__static, 'i18n')
+  private outterI18nFolder = ''
+  private localesMap: Map<string, ILocales> = new Map()
+  private currentLanguage: string = 'zh-CN'
+  readonly defaultLanguage: string = 'zh-CN'
+  private i18nFileList: II18nItem[] = [{
+    label: '简体中文',
+    value: 'zh-CN'
+  }, {
+    label: 'English',
+    value: 'en'
+  }]
+
+  setOutterI18nFolder (folder: string) {
+    this.outterI18nFolder = folder
+  }
+
+  addI18nFile (file: string, label: string) {
+    this.i18nFileList.push({
+      label,
+      value: file
+    })
+  }
+
+  private getLocales (lang: string): ILocales {
+    if (this.localesMap.has(lang)) {
+      return this.localesMap.get(lang)!
+    }
+    let localesPath = path.join(this.builtinI18nFolder, `${lang}.yml`)
+    if (!fs.existsSync(localesPath)) {
+      localesPath = path.join(this.outterI18nFolder, `${lang}.yml`)
+      if (!fs.existsSync(localesPath)) {
+        localesPath = path.join(this.builtinI18nFolder, `${this.defaultLanguage}.yml`)
+      }
+    }
+    try {
+      const localesString = fs.readFileSync(localesPath, 'utf8')
+      const locales = yaml.load(localesString) as unknown as ILocales
+      this.localesMap.set(lang, locales)
+      return locales
+    } catch (e) {
+      console.error(e)
+      // if error, use default language
+      localesPath = path.join(this.builtinI18nFolder, `${this.defaultLanguage}.yml`)
+      const localesString = fs.readFileSync(localesPath, 'utf8')
+      const locales = yaml.load(localesString) as unknown as ILocales
+      this.localesMap.set(lang, locales)
+      return locales
+    }
+  }
+
+  setCurrentLanguage (lang: string) {
+    const locales = this.getLocales(lang)
+    this.currentLanguage = lang
+    this.initI18n(lang, locales)
+  }
+
+  private initI18n (lang: string = this.defaultLanguage, locales: ILocales) {
+    const objectAdapter = new ObjectAdapter({
+      [lang]: locales
+    })
+    this.i18n = new I18n({
+      adapter: objectAdapter,
+      defaultLanguage: lang
+    })
+  }
+
+  T (key: ILocalesKey, args: IStringKeyMap = {}): string {
+    return this.i18n?.translate(key, args) || key
+  }
+
+  get languageList () {
+    return this.i18nFileList
+  }
+
+  getCurrentLocales () {
+    return {
+      lang: this.currentLanguage,
+      locales: this.getLocales(this.currentLanguage)
+    }
+  }
+}
+
+export const T = (key: ILocalesKey, args: IStringKeyMap = {}): string => {
+  return i18nManager.T(key, args)
+}
+
+export const i18nManager = new I18nManager()