TypeScript: make vite config files strict TS compliant (#6121)

eslint.config.mjs

@@ -1,15 +1,15 @@
-import globals from 'globals';
+import tsParser from '@typescript-eslint/parser';
-
 import { defineConfig } from 'eslint/config';
 import pluginImport from 'eslint-plugin-import';
 import pluginJSXA11y from 'eslint-plugin-jsx-a11y';
 import pluginReact from 'eslint-plugin-react';
 import pluginReactHooks from 'eslint-plugin-react-hooks';
-import pluginTypescript from 'typescript-eslint';
 import pluginTypescriptPaths from 'eslint-plugin-typescript-paths';
-import pluginActual from './packages/eslint-plugin-actual/lib/index.js';
+import globals from 'globals';
+import pluginTypescript from 'typescript-eslint';
 
-import tsParser from '@typescript-eslint/parser';
+// eslint-disable-next-line import/extensions
+import pluginActual from './packages/eslint-plugin-actual/lib/index.js';
 
 const confusingBrowserGlobals = [
   // https://github.com/facebook/create-react-app/tree/main/packages/confusing-browser-globals
@@ -80,35 +80,28 @@ export default defineConfig(
 
       'packages/api/app/bundle.api.js',
       'packages/api/app/stats.json',
-      'packages/api/dist',
       'packages/api/@types',
       'packages/api/migrations',
-      'packages/crdt/dist',
       'packages/component-library/src/icons/**/*',
       'packages/desktop-client/bundle.browser.js',
-      'packages/desktop-client/build/',
       'packages/desktop-client/dev-dist/',
       'packages/desktop-client/service-worker/*',
       'packages/desktop-client/build-electron/',
       'packages/desktop-client/build-stats/',
       'packages/desktop-client/public/kcab/',
       'packages/desktop-client/public/data/',
-      'packages/desktop-client/**/node_modules/*',
-      'packages/desktop-client/node_modules/',
       'packages/desktop-client/test-results/',
       'packages/desktop-client/playwright-report/',
       'packages/desktop-electron/client-build/',
-      'packages/desktop-electron/build/',
-      'packages/desktop-electron/dist/',
-      'packages/loot-core/**/node_modules/*',
       'packages/loot-core/**/lib-dist/*',
       'packages/loot-core/**/proto/*',
-      'packages/sync-server/build/',
       'packages/sync-server/user-files/',
       'packages/sync-server/server-files/',
-      'packages/plugins-service/dist/',
       '.yarn/*',
       '.github/*',
+      '**/build/',
+      '**/dist/',
+      '**/node_modules/',
     ],
   },
   {
@@ -170,7 +163,7 @@ export default defineConfig(
     },
   },
   {
-    files: ['**/*.{js,ts,jsx,tsx}'],
+    files: ['**/*.{js,ts,jsx,tsx,mjs,mts}'],
     plugins: {
       'jsx-a11y': pluginJSXA11y,
       'react-hooks': pluginReactHooks,
@@ -716,14 +709,18 @@ export default defineConfig(
 
   // Allow configuring vitest with default exports (recommended as per vitest docs)
   {
-    files: ['**/vitest.config.ts', '**/vitest.web.config.ts'],
+    files: [
+      '**/vitest.config.{ts,mts}',
+      '**/vitest.web.config.ts',
+      '**/vite.config.{ts,mts}',
+      'eslint.config.mjs',
+    ],
     rules: {
       'import/no-anonymous-default-export': 'off',
       'import/no-default-export': 'off',
     },
   },
 
-  {},
   {
     // TODO: fix the issues in these files
     files: [

packages/desktop-client/vite.config.mts

@@ -1,4 +1,3 @@
-// @ts-strict-ignore
 import * as path from 'path';
 
 import inject from '@rollup/plugin-inject';
@@ -6,7 +5,7 @@ import basicSsl from '@vitejs/plugin-basic-ssl';
 import react from '@vitejs/plugin-react';
 import { visualizer } from 'rollup-plugin-visualizer';
 /// <reference types="vitest" />
-import { defineConfig, loadEnv, Plugin } from 'vite';
+import { defineConfig, loadEnv, Plugin, type UserConfig } from 'vite';
 import { VitePWA } from 'vite-plugin-pwa';
 import viteTsconfigPaths from 'vite-tsconfig-paths';
 
@@ -123,7 +122,7 @@ export default defineConfig(async ({ mode }) => {
       rollupOptions: {
         output: {
           assetFileNames: assetInfo => {
-            const info = assetInfo.name.split('.');
+            const info = assetInfo.name?.split('.') ?? [];
             let extType = info[info.length - 1];
             if (/png|jpe?g|svg|gif|tiff|bmp|ico/i.test(extType)) {
               extType = 'img';
@@ -222,5 +221,6 @@ export default defineConfig(async ({ mode }) => {
       },
       maxWorkers: 2,
     },
-  };
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  } satisfies UserConfig & { test: any };
 });

packages/loot-core/vite.config.ts

@@ -1,4 +1,3 @@
-// @ts-strict-ignore
 import path from 'path';
 
 import { visualizer } from 'rollup-plugin-visualizer';
@@ -7,7 +6,6 @@ import { nodePolyfills } from 'vite-plugin-node-polyfills';
 import peggyLoader from 'vite-plugin-peggy-loader';
 
 // https://vitejs.dev/config/
-// eslint-disable-next-line import/no-default-export
 export default defineConfig(({ mode }) => {
   const isDev = mode === 'development';
   const outDir = path.resolve(__dirname, 'lib-dist/browser');

packages/plugins-service/vite.config.mts

@@ -1,4 +1,3 @@
-// @ts-strict-ignore
 import path from 'path';
 
 import { defineConfig } from 'vite';

upcoming-release-notes/6121.md

@@ -0,0 +1,6 @@
+---
+category: Maintenance
+authors: [MatissJanis]
+---
+
+TypeScript: make vite config files strict TS compliant