fix: handle missing or broken locales main index files (#478)

Author: ST-DDT

scripts/generateLocales.ts

@@ -3,7 +3,7 @@ import { resolve } from 'node:path';
 import type { Options } from 'prettier';
 import { format } from 'prettier';
 import options from '../.prettierrc.cjs';
-import type { LocaleDefinition } from '../src';
+import type { LocaleDefinition } from '../src/definitions';
 import { DEFINITIONS } from '../src/definitions';
 
 // Constants
@@ -94,6 +94,34 @@ function generateLocaleFile(locale: string) {
   writeFileSync(resolve(pathLocale, locale + '.ts'), content);
 }
 
+function tryLoadLocalesMainIndexFile(pathModules: string): LocaleDefinition {
+  let localeDef: LocaleDefinition;
+  // This call might fail, if the module setup is broken.
+  // Unfortunately, we try to fix it with this script
+  // Thats why have a fallback logic here, we only need the title and separator anyway
+  try {
+    // eslint-disable-next-line @typescript-eslint/no-var-requires
+    localeDef = require(pathModules).default;
+  } catch (e) {
+    try {
+      console.log(
+        `Failed to load ${pathModules}. Attempting manual parse instead...`
+      );
+      const localeIndex = readFileSync(
+        resolve(pathModules, 'index.ts'),
+        'utf-8'
+      );
+      localeDef = {
+        title: localeIndex.match(/title: '(.*)',/)[1],
+        separator: localeIndex.match(/separator: '(.*)',/)?.[1],
+      };
+    } catch {
+      console.error(`Failed to load ${pathModules} or manually parse it.`, e);
+    }
+  }
+  return localeDef;
+}
+
 function generateLocalesIndexFile(
   path: string,
   name: string,
@@ -145,11 +173,12 @@ let localeIndexLocales = 'const locales: KnownLocales = {\n';
 let localizationLocales = '| Locale | Name |\n| :--- | :--- |\n';
 
 for (const locale of locales) {
-  // eslint-disable-next-line @typescript-eslint/no-var-requires
-  const localeDef: LocaleDefinition = require('../src/locales/' +
-    locale).default;
-  const localeTitle = localeDef.title;
-  const localeSeparator = localeDef.separator;
+  const pathModules = resolve(pathLocales, locale);
+
+  const localeDef = tryLoadLocalesMainIndexFile(pathModules);
+  // We use a fallback here to at least generate a working file.
+  const localeTitle = localeDef?.title ?? `TODO: Insert Title for ${locale}`;
+  const localeSeparator = localeDef?.separator;
 
   localeIndexImports += `import ${locale} from './${locale}';\n`;
   localeIndexType += `  | '${locale}'\n`;
@@ -160,7 +189,6 @@ for (const locale of locales) {
   generateLocaleFile(locale);
 
   // src/locales/<locale>/index.ts
-  const pathModules = resolve(pathLocales, locale);
   generateLocalesIndexFile(
     pathModules,
     locale,