diff --git a/packages/eslint-config-widen/package.json b/packages/eslint-config-widen/package.json
index a3aa605..13e3856 100644
--- a/packages/eslint-config-widen/package.json
+++ b/packages/eslint-config-widen/package.json
@@ -5,14 +5,14 @@
   },
   "description": "Widen's shared ESLint config.",
   "exports": {
-    ".": "./src/index.js",
-    "./jest": "./src/jest.js",
-    "./playwright": "./src/playwright.js",
-    "./react": "./src/react.js",
-    "./typescript": "./src/typescript.js"
+    ".": "./lib/index.js",
+    "./jest": "./lib/jest.js",
+    "./playwright": "./lib/playwright.js",
+    "./react": "./lib/react.js",
+    "./typescript": "./lib/typescript.js"
   },
   "files": [
-    "src"
+    "lib"
   ],
   "homepage": "https://github.com/Widen/eslint-config/tree/master/packages/eslint-config-widen#readme",
   "license": "ISC",
diff --git a/packages/eslint-config-widen/src/index.js b/packages/eslint-config-widen/src/index.ts
similarity index 100%
rename from packages/eslint-config-widen/src/index.js
rename to packages/eslint-config-widen/src/index.ts
diff --git a/packages/eslint-config-widen/src/jest.js b/packages/eslint-config-widen/src/jest.ts
similarity index 100%
rename from packages/eslint-config-widen/src/jest.js
rename to packages/eslint-config-widen/src/jest.ts
diff --git a/packages/eslint-config-widen/src/playwright.js b/packages/eslint-config-widen/src/playwright.ts
similarity index 100%
rename from packages/eslint-config-widen/src/playwright.js
rename to packages/eslint-config-widen/src/playwright.ts
diff --git a/packages/eslint-config-widen/src/react.js b/packages/eslint-config-widen/src/react.ts
similarity index 100%
rename from packages/eslint-config-widen/src/react.js
rename to packages/eslint-config-widen/src/react.ts
diff --git a/packages/eslint-config-widen/src/types.d.ts b/packages/eslint-config-widen/src/types.d.ts
new file mode 100644
index 0000000..94f3ef8
--- /dev/null
+++ b/packages/eslint-config-widen/src/types.d.ts
@@ -0,0 +1,9 @@
+declare module 'eslint-plugin-jsx-a11y'
+declare module 'eslint-plugin-react'
+declare module 'eslint-plugin-react-hooks'
+declare module '@eslint/js'
+declare module 'eslint-plugin-jest'
+declare module 'globals'
+declare module 'eslint-plugin-sort'
+declare module 'eslint-plugin-widen'
+declare module '@babel/eslint-parser'
diff --git a/packages/eslint-config-widen/src/typescript.js b/packages/eslint-config-widen/src/typescript.ts
similarity index 100%
rename from packages/eslint-config-widen/src/typescript.js
rename to packages/eslint-config-widen/src/typescript.ts
diff --git a/packages/eslint-config-widen/tsconfig.json b/packages/eslint-config-widen/tsconfig.json
new file mode 100644
index 0000000..2bf5bb4
--- /dev/null
+++ b/packages/eslint-config-widen/tsconfig.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "lib",
+    "rootDir": "src"
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index 73742af..53a897a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,4 +1,7 @@
 {
   "files": [],
-  "references": [{ "path": "packages/eslint-plugin-widen" }]
+  "references": [
+    { "path": "packages/eslint-config-widen" },
+    { "path": "packages/eslint-plugin-widen" }
+  ]
 }