Switch i18next-parser to i18next-cli.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

i18next-parser.config.ts

@@ -1,18 +0,0 @@
-import type {UserConfig} from "i18next-parser";
-
-const config: UserConfig = {
-  createOldCatalogs: false,
-  defaultValue: (locale, namespace, key, value) =>
-    locale === "en" ? key! : value!,
-  indentation: "\t" as unknown as number,
-  input: ["app/**/*.ts"],
-  keySeparator: false,
-  lexers: {
-    ts: [{lexer: "JavascriptLexer", functions: ["t.__", "t.__mf"]}],
-  },
-  locales: ["en"],
-  namespaceSeparator: false,
-  output: "public/translations/$LOCALE.json",
-  sort: (a, b) => (a < b ? -1 : a > b ? 1 : 0),
-};
-export default config;

i18next.config.ts

@@ -0,0 +1,14 @@
+import {defineConfig} from "i18next-cli";
+
+export default defineConfig({
+  locales: ["en"],
+  extract: {
+    input: ["app/**/*.ts"],
+    output: "public/translations/{{language}}.json",
+    functions: ["t.__", "t.__mf"],
+    keySeparator: false,
+    nsSeparator: false,
+    sort: (a, b) => (a.key < b.key ? -1 : a.key > b.key ? 1 : 0),
+    indentation: "\t",
+  },
+});

package.json

@@ -178,7 +178,7 @@
     "eslint-import-resolver-typescript": "^4.4.4",
     "htmlhint": "^1.1.2",
     "i18n": "^0.15.1",
-    "i18next-parser": "^9.3.0",
+    "i18next-cli": "^1.2.1",
     "node-json-db": "^1.3.0",
     "p-fifo": "^1.0.0",
     "playwright-core": "^1.41.0-alpha-jan-9-2024",

public/translations/README.md

@@ -14,7 +14,7 @@ Within that Weblate project, if you'd like to focus on Zulip Desktop, look
 at the **Desktop** component. The other components are for the Zulip web/mobile
 app, where translations are also very welcome.
 
-(\*) One file is an exception: `en.json` is maintained by `i18next-parser` as a
+(\*) One file is an exception: `en.json` is maintained by `i18next-cli extract` as a
 list of (English) messages in the source code, and is used by Weblate as
 a list of strings to be translated. It doesn't contain any
 translations.