更新语言判断逻辑

package.json

 {
     "name": "fj-captcha-vue",
-    "version": "1.0.4",
+    "version": "1.0.5",
     "type": "module",
     "main": "./esm/index.js",
     "typings": "./esm/index.d.ts",

src/core/locales/index.ts

@@ -11,11 +11,6 @@ const translations: Record<string, Record<string, string>> = {
     'zh-tw': zhTw,
 }
 
-/**
- * 可用的语言标识
- */
-const availableLanguages = Object.keys(translations)
-
 /**
  * 默认的语言标识
  */
@@ -25,12 +20,16 @@ const DEFAULT_LANGUAGE = 'zh-cn'
  * 标准化语言标识
  * @param language
  */
-function normalizeLanguage(language: string): string {
-    const parts = language.split(/_|-/)
-    if (parts.length > 2) {
-        parts.splice(1, parts.length - 2)
+function normalizeLanguage(language: string) {
+    const parts = language.toLowerCase().split(/_|-/)
+    const lang = parts[0]
+    const country = parts.length > 1 ? parts[parts.length - 1] : undefined
+    const variant = parts.length > 2 ? parts[1] : undefined
+    return {
+        lang,
+        country,
+        variant,
     }
-    return parts.map((t) => t.toLowerCase()).join('-')
 }
 
 /**
@@ -45,28 +44,32 @@ export function getLanguage(language?: string): string {
             ? navigator.languages
             : [DEFAULT_LANGUAGE]
 
-    languages = languages.map((t) => normalizeLanguage(t))
+    const langs = languages.map((t) => normalizeLanguage(t))
 
-    for (let language of languages) {
+    for (let lang of langs) {
         //如果是英文那就返回英文
-        if (language === 'en' || language.startsWith('en-')) {
-            return 'en'
-        }
+        if (lang.lang === 'en') return 'en'
+        if (lang.lang === 'zh') {
+            //有变体优先判断变体
+            if (lang.variant === 'hans') {
+                return 'zh-cn'
+            } else if (lang.variant === 'hant') {
+                return 'zh-tw'
+            }
 
-        //如果是中文那就判断是简体还是繁体
-        if (language === 'zh' || language.startsWith('zh-')) {
-            if (availableLanguages.includes(language)) {
-                return language
+            //没有变体判断国家标识
+            if (lang.country === 'cn') {
+                return 'zh-cn'
+            } else if (lang.country === 'tw') {
+                return 'zh-tw'
             }
-            //中文就默认用简体
+
+            //没有变体也没有国家标识就用简体中文
             return 'zh-cn'
         }
-
-        //都不是就继续循环
     }
 
     //到这里表示既不是英文，也不包含任何中文标识，那就用英文
-
     return 'en'
 }