style: use typescript resolver for eslint import plugin (#9662)

eslint.config.mjs

@@ -20,6 +20,11 @@ const ignoreList = readFileSync('.prettierignore', 'utf-8')
   .split('\n')
   .filter(line => line.trim() && !line.startsWith('#'));
 
+// Omit `.d.ts` because 1) TypeScript compilation already confirms that
+// types are resolved, and 2) it would mask an unresolved
+// `.ts`/`.tsx`/`.js`/`.jsx` implementation.
+const typeScriptExtensions = ['.ts', '.tsx', '.cts', '.mts'];
+
 export default tseslint.config(
   {
     ignores: ignoreList,
@@ -29,6 +34,12 @@ export default tseslint.config(
       react: {
         version: 'detect',
       },
+      'import-x/parsers': {
+        '@typescript-eslint/parser': typeScriptExtensions,
+      },
+      'import-x/resolver': {
+        typescript: true,
+      },
     },
     languageOptions: {
       parser: tsParser,
@@ -224,7 +235,10 @@ export default tseslint.config(
       '@typescript-eslint/require-array-sort-compare': 'error',
       '@typescript-eslint/no-misused-promises': ['error'],
       '@typescript-eslint/prefer-readonly': 'error',
-      'import-x/no-extraneous-dependencies': ['error'],
+      'import-x/no-extraneous-dependencies': [
+        'error',
+        { includeInternal: true },
+      ],
       'react-hooks/exhaustive-deps': [
         'warn',
         {
@@ -249,6 +263,33 @@ export default tseslint.config(
       ],
     },
   },
+  {
+    files: ['packages/frontend/admin/**/*'],
+    rules: {
+      'import-x/no-extraneous-dependencies': [
+        'error',
+        { includeInternal: true, whitelist: ['@affine/admin'] },
+      ],
+    },
+  },
+  {
+    files: ['packages/frontend/core/**/*'],
+    rules: {
+      'import-x/no-extraneous-dependencies': [
+        'error',
+        { includeInternal: true, whitelist: ['@affine/core'] },
+      ],
+    },
+  },
+  {
+    files: ['packages/frontend/component/**/*'],
+    rules: {
+      'import-x/no-extraneous-dependencies': [
+        'error',
+        { includeInternal: true, whitelist: ['@affine/component'] },
+      ],
+    },
+  },
   {
     files: [
       '**/__tests__/**/*',