feat: bootstrap TypeScript

.github/workflows/ci.yml

@@ -26,4 +26,6 @@ jobs:
 
       - run: npm run format:check
 
+      - run: npm run typecheck
+
       - run: npm run build

.gitignore

@@ -2,3 +2,4 @@
 .next
 .vercel
 node_modules
+*.tsbuildinfo

.oxlintrc.json

@@ -7,5 +7,6 @@
   "rules": {
     "no-console": "warn",
     "no-unused-vars": "warn"
-  }
+  },
+  "ignorePatterns": ["next-env.d.ts", ".next/", "node_modules/"]
 }

next-env.d.ts

@@ -0,0 +1,6 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+/// <reference path="./.next/types/routes.d.ts" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/pages/api-reference/config/typescript for more information.

package.json

@@ -8,7 +8,8 @@
     "lint": "oxlint",
     "lint:fix": "oxlint --fix",
     "format": "oxfmt",
-    "format:check": "oxfmt --check"
+    "format:check": "oxfmt --check",
+    "typecheck": "tsc --noEmit"
   },
   "dependencies": {
     "@datadog/browser-rum": "^7.0.0",
@@ -26,11 +27,15 @@
     "@tailwindcss/forms": "^0.5.6",
     "@tailwindcss/line-clamp": "^0.4.4",
     "@tailwindcss/typography": "^0.5.9",
+    "@types/node": "^25.6.1",
+    "@types/react": "^19.2.14",
+    "@types/react-dom": "^19.2.3",
     "autoprefixer": "^10.4.15",
     "oxfmt": "^0.48.0",
     "oxlint": "^1.63.0",
     "postcss": "^8.5.10",
-    "tailwindcss": "^3.3.3"
+    "tailwindcss": "^3.3.3",
+    "typescript": "^6.0.3"
   },
   "engines": {
     "node": "24.x"

tsconfig.json

@@ -0,0 +1,33 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "skipLibCheck": true,
+    "strict": true,
+    "noFallthroughCasesInSwitch": true,
+    "noImplicitOverride": true,
+    "noUncheckedIndexedAccess": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": true,
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ],
+    "paths": {
+      "@/*": ["./*"]
+    },
+    "allowJs": true
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "exclude": ["node_modules"]
+}