Speed-up TypeScript by moving to tsgo

.github/workflows/main.yml

@@ -42,6 +42,8 @@ jobs:
         env:
           FORCE_COLOR: 1
           STAGING: 1
+      - name: Double-check Svelte types with old tool
+        run: cd web && pnpm svelte-check
       - name: Build nginx config
         run: cd web && ./scripts/build-nginx-config.sh
       - name: Upload web assets

.gitignore

@@ -1,3 +1,4 @@
 node_modules/
 .eslintcache
 .env
+tsconfig.tsbuildinfo

api/tsconfig.json

@@ -1,5 +1,7 @@
 {
   "extends": "../tsconfig.json",
-  "include": ["**/*.ts", "**/*.cts"],
-  "exclude": ["dist"]
+  "compilerOptions": {
+    "composite": true
+  },
+  "include": ["**/*.ts"]
 }

core/tsconfig.json

@@ -1,5 +1,7 @@
 {
   "extends": "../tsconfig.json",
-  "include": ["**/*.ts", "**/*.cts"],
-  "exclude": ["dist"]
+  "compilerOptions": {
+    "composite": true
+  },
+  "include": ["**/*.ts"]
 }

eslint.config.ts

@@ -1,16 +1,26 @@
 import loguxSvelteConfig from '@logux/eslint-config/svelte'
 import type { Linter } from 'eslint'
 
-export default [
+const config: Linter.Config[] = [
   {
     ignores: [
       '*/dist/',
       'web/storybook-static/',
       'web/vite.config.ts.*',
-      'server/web/'
+      'server/web/',
+      'web/.fast-check'
     ]
   },
-  ...loguxSvelteConfig,
+  ...loguxSvelteConfig.map(item => {
+    let parserOptions = item.languageOptions?.parserOptions as
+      | { project?: unknown; projectService?: boolean }
+      | undefined
+    if (parserOptions?.project) {
+      delete parserOptions.project
+      parserOptions.projectService = true
+    }
+    return item
+  }),
   {
     rules: {
       '@typescript-eslint/no-base-to-string': 'off',
@@ -80,3 +90,5 @@ export default [
     }
   }
 ] satisfies Linter.Config[]
+
+export default config

extension/tsconfig.json

@@ -1,5 +1,10 @@
 {
   "extends": "../tsconfig.json",
-  "include": ["**/*.ts", "**/*.cts"],
+  "compilerOptions": {
+    "composite": true,
+    "types": ["chrome", "node"],
+    "lib": ["ES2024", "DOM"]
+  },
+  "include": ["**/*.ts"],
   "exclude": ["dist"]
 }

loader-tests/tsconfig.json

@@ -1,5 +1,7 @@
 {
   "extends": "../tsconfig.json",
-  "include": ["**/*.ts", "**/*.cts"],
-  "exclude": ["dist"]
+  "compilerOptions": {
+    "composite": true
+  },
+  "include": ["**/*.ts"]
 }

nano-staged.json

@@ -1,10 +1,13 @@
 {
-  "*.{html,md,json}": "oxfmt",
-  "*.{svelte,ts}": "svelte-check",
-  "*.{js,ts,cjs}": ["oxfmt", "eslint --fix --concurrency auto"],
-  "*.css": ["oxfmt", "stylelint --fix"],
-  "*.svelte": [
+  "*.{html,md,json,css,js,ts}": "oxfmt",
+  "*.{svelte,ts}": "sh ./scripts/check-types.sh",
+  "*.{js,ts}": "eslint --fix --concurrency auto",
+  "*.css": "stylelint --fix",
+  "web/*.svelte": [
     "node ./web/scripts/check-names.ts",
+    "svelte-check --tsconfig web/tsconfig.json"
+  ],
+  "*.svelte": [
     "prettier --experimental-cli --write",
     "stylelint --fix",
     "eslint --fix --concurrency auto"

package.json

@@ -20,7 +20,7 @@
     "format:oxfmt": "oxfmt .",
     "format:prettier": "prettier --experimental-cli --write **/*.svelte",
     "test:js": "eslint --concurrency=auto --cache .",
-    "test:types": "svelte-check",
+    "test:types": "./scripts/check-types.sh",
     "test:online:audit": "pnpm audit --prod",
     "test:focused": "node ./scripts/check-focused-tests.ts",
     "test:messages": "node ./scripts/check-messages.ts",
@@ -32,6 +32,7 @@
     "@types/chrome": "0.1.32",
     "@types/node": "25.0.3",
     "@types/ws": "8.18.1",
+    "@typescript/native-preview": "7.0.0-dev.20260103.1",
     "actions-up": "1.8.0",
     "better-node-test": "0.8.3",
     "eslint": "9.39.2",
@@ -58,7 +59,6 @@
     "remark-validate-links": "13.1.0",
     "stylelint": "16.26.1",
     "svelte": "5.46.1",
-    "svelte-check": "4.3.5",
     "svelte-eslint-parser": "1.4.1",
     "svgo": "4.0.0",
     "typescript": "5.9.3"