🐛 locales.ts 小修正 (#1154)

* locales.ts 小修正

* Update locales.test.ts

Author: cyfung1031

src/locales/locales.test.ts

@@ -110,18 +110,18 @@ describe.concurrent("i18nDescription", () => {
     expect(result).toBe("Default description");
   });
 
-  it("没有 description 字段时返回 undefined", () => {
+  it("没有 description 字段时返回 空字串", () => {
     i18n.language = "en-US";
 
     const script = {
       metadata: {} as SCMetadata,
     };
 
     const result = i18nDescription(script);
-    expect(result).toBeUndefined();
+    expect(result).toBe("");
   });
 
-  it("description 字段为空数组时返回 undefined", () => {
+  it("description 字段为空数组时返回 空字串", () => {
     i18n.language = "en-US";
 
     const script = {
@@ -131,6 +131,6 @@ describe.concurrent("i18nDescription", () => {
     };
 
     const result = i18nDescription(script);
-    expect(result).toBeUndefined();
+    expect(result).toBe("");
   });
 });

src/locales/locales.ts

@@ -76,26 +76,28 @@ export function initLocales(systemConfig: SystemConfig) {
 
 export const i18nLang = (): string => `${i18n?.language?.toLowerCase()}`;
 
-export function i18nName(script: { name: string; metadata: SCMetadata }) {
+export function i18nName(script: { name: string; metadata: SCMetadata }): string {
+  const metadata = script.metadata;
   const lang = i18nLang();
-  let m = script.metadata[`name:${lang}`];
+  let m = metadata[`name:${lang}`];
   if (!m) {
     // 尝试只用前缀匹配
     const langPrefix = lang.split("-")[0];
-    m = script.metadata[`name:${langPrefix}`];
+    m = metadata[`name:${langPrefix}`];
   }
   return m ? m[0] : script.name;
 }
 
-export function i18nDescription(script: { metadata: SCMetadata }) {
+export function i18nDescription(script: { metadata: SCMetadata }): string {
+  const metadata = script.metadata;
   const lang = i18nLang();
-  let m = script.metadata[`description:${lang}`];
+  let m = metadata[`description:${lang}`];
   if (!m) {
     // 尝试只用前缀匹配
     const langPrefix = lang.split("-")[0];
-    m = script.metadata[`description:${langPrefix}`];
+    m = metadata[`description:${langPrefix}`];
   }
-  return m ? m[0] : script.metadata.description?.[0];
+  return m ? m[0] : metadata.description?.[0] || "";
 }
 
 // 判断是否是中文用户