refactor(runtime): remove unused i18next dependency

packages/runtime/package.json

@@ -43,7 +43,6 @@
     "bailian-cli-core": "workspace:*",
     "boxen": "catalog:",
     "chalk": "catalog:",
-    "i18next": "catalog:",
     "undici": "catalog:"
   },
   "devDependencies": {

packages/runtime/src/create-cli.ts

@@ -124,10 +124,8 @@ export function createCli(commands: Record<string, AnyCommand>, opts: CliOptions
 
   async function getRegistry(argv: string[]): Promise<CommandRegistry> {
     const localeSources = buildSources(pickConfigFlag(argv));
-    const [translator, loaded] = await Promise.all([
-      createTranslator(localeSources.file.language ?? DEFAULT_LANGUAGE),
-      getLoadedCommandPacks(),
-    ]);
+    const translator = createTranslator(localeSources.file.language ?? DEFAULT_LANGUAGE);
+    const loaded = await getLoadedCommandPacks();
     return new CommandRegistry(loaded.commands, binName, translator);
   }
 

packages/runtime/src/i18n.ts

@@ -1,56 +1,16 @@
-import { createInstance, type ResourceLanguage, type TOptions } from "i18next";
-import {
-  DEFAULT_LANGUAGE,
-  SUPPORTED_LANGUAGES,
-  type Language,
-  type LocalizedText,
-} from "bailian-cli-core";
+import { DEFAULT_LANGUAGE, type Language, type LocalizedText } from "bailian-cli-core";
 
-export type Translate = (key: string, options?: Record<string, unknown>) => string;
-
-/** A colocated namespace that a product or feature can register with the CLI runtime. */
-export interface CliMessageBundle {
-  namespace: string;
-  resources: Partial<Record<Language, ResourceLanguage>>;
-}
-
-/** Per-CLI translation surface. The mutable i18next instance stays private to runtime. */
+/** Per-CLI localized text selector. */
 export interface Translator {
   language: Language;
-  translate: Translate;
   localize(text: LocalizedText): string;
 }
 
-export async function createTranslator(
-  language: Language,
-  bundles: readonly CliMessageBundle[] = [],
-): Promise<Translator> {
-  const instance = createInstance();
-
-  await instance.init({
-    lng: language,
-    fallbackLng: DEFAULT_LANGUAGE,
-    supportedLngs: [...SUPPORTED_LANGUAGES],
-    initAsync: false,
-    interpolation: { escapeValue: false },
-  });
-
-  for (const bundle of bundles) {
-    for (const supportedLanguage of SUPPORTED_LANGUAGES) {
-      const resource = bundle.resources[supportedLanguage];
-      if (resource) {
-        instance.addResourceBundle(supportedLanguage, bundle.namespace, resource, true, false);
-      }
-    }
-  }
-
+export function createTranslator(language: Language): Translator {
   return {
     language,
     localize(text) {
-      return typeof text === "string" ? text : text[language];
-    },
-    translate(key, options = {}) {
-      return String(instance.t(key, options as TOptions));
+      return typeof text === "string" ? text : (text[language] ?? text[DEFAULT_LANGUAGE]);
     },
   };
 }

packages/runtime/tests/i18n.test.ts

@@ -1,27 +1,12 @@
 import { expect, test } from "vite-plus/test";
 import { defineCommand } from "bailian-cli-core";
-import { createTranslator, type CliMessageBundle } from "../src/i18n.ts";
+import { createTranslator } from "../src/i18n.ts";
 import { CommandRegistry } from "../src/registry.ts";
 
-const messages = {
-  namespace: "test",
-  resources: {
-    "en-US": { greeting: "Hello, {{name}}!", englishOnly: "English fallback" },
-    "zh-CN": { greeting: "你好，{{name}}！" },
-  },
-} satisfies CliMessageBundle;
-
-test("translator uses the selected language, interpolation and English fallback", async () => {
-  const translator = await createTranslator("zh-CN", [messages]);
+test("translator resolves colocated text while preserving plain strings", () => {
+  const translator = createTranslator("zh-CN");
 
   expect(translator.language).toBe("zh-CN");
-  expect(translator.translate("test:greeting", { name: "百炼" })).toBe("你好，百炼！");
-  expect(translator.translate("test:englishOnly")).toBe("English fallback");
-});
-
-test("translator resolves colocated text while preserving plain strings", async () => {
-  const translator = await createTranslator("zh-CN");
-
   expect(translator.localize("Already localized")).toBe("Already localized");
   expect(
     translator.localize({
@@ -29,10 +14,17 @@ test("translator resolves colocated text while preserving plain strings", async
       "zh-CN": "显示帮助信息",
     }),
   ).toBe("显示帮助信息");
+
+  expect(
+    createTranslator("en-US").localize({
+      "en-US": "Show help",
+      "zh-CN": "显示帮助信息",
+    }),
+  ).toBe("Show help");
 });
 
 test("registry renders runtime help copy with the selected language", async () => {
-  const translator = await createTranslator("zh-CN");
+  const translator = createTranslator("zh-CN");
   const command = defineCommand({
     description: {
       "en-US": "Test command",

pnpm-lock.yaml

@@ -24,9 +24,6 @@ catalogs:
     chalk:
       specifier: ^5.6.2
       version: 5.6.2
-    i18next:
-      specifier: ^26.3.6
-      version: 26.3.6
     smol-toml:
       specifier: ^1.4.2
       version: 1.7.0
@@ -257,9 +254,6 @@ importers:
       chalk:
         specifier: 'catalog:'
         version: 5.6.2
-      i18next:
-        specifier: 'catalog:'
-        version: 26.3.6(typescript@6.0.3)
       undici:
         specifier: 'catalog:'
         version: 6.27.0
@@ -1206,14 +1200,6 @@ packages:
     resolution: {integrity: sha512-QRbvDIbx6YklUe6RxeTeleMR0yv3cYH6PsPZHcnVn7xv7zO1BHN8r0XETu8n6Ye3Q+ahtSarc3WgtNWmehIBfA==}
     engines: {node: '>=18'}
 
-  i18next@26.3.6:
-    resolution: {integrity: sha512-Bu5Z2nAXgfVyM8xvW3jk9EKRIuX37PudsrBViThNFx7CR7aaYTpP01cxNB/E4c4UUzTDiAZRstEhsRfPOL/8xA==}
-    peerDependencies:
-      typescript: ^5 || ^6 || ^7
-    peerDependenciesMeta:
-      typescript:
-        optional: true
-
   immediate@3.0.6:
     resolution: {integrity: sha512-XXOFtyqDjNDAQxVfYxuF7g9Il/IbWmmlQg2MYKOH8ExIT1qg6xc4zyS3HaEEATgs1btfzxq15ciUiY7gjSXRGQ==}
 
@@ -2264,10 +2250,6 @@ snapshots:
 
   get-east-asian-width@1.6.0: {}
 
-  i18next@26.3.6(typescript@6.0.3):
-    optionalDependencies:
-      typescript: 6.0.3
-
   immediate@3.0.6: {}
 
   inherits@2.0.4: {}

pnpm-workspace.yaml

@@ -9,7 +9,6 @@ catalog:
   ajv: ^8.20.0
   boxen: ^8.0.1
   chalk: ^5.6.2
-  i18next: ^26.3.6
   tar-stream: ^3.2.0
   smol-toml: ^1.4.2
   tsx: ^4.23.0