diff --git a/.gitignore b/.gitignore
index c159859..95c3670 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,9 @@
+*.d.ts
+*.d.ts.map
 .nyc_output
 coverage
 node_modules
+tsconfig.tsbuildinfo
 /web/dist
 /packages/*/LICENSE
 /packages/*/NOTICE
diff --git a/package.json b/package.json
index a9496ae..ebc7380 100644
--- a/package.json
+++ b/package.json
@@ -15,11 +15,12 @@
     ]
   },
   "scripts": {
-    "build": "yarn run build:cjs && yarn run build:esm && yarn run build:misc",
+    "build": "yarn run build:cjs && yarn run build:esm && yarn run build:misc && yarn run build:types",
     "build:babel": "lerna exec --parallel -- babel --extensions '.js,.ts' --root-mode upward",
     "build:cjs": "cross-env BABEL_ENV=cjs yarn build:babel -d lib src",
     "build:esm": "cross-env BABEL_ENV=esm yarn build:babel -d esm src",
     "build:misc": "lerna exec -- cp ../../LICENSE ../../NOTICE .",
+    "build:types": "tsc --build",
     "clean": "lerna exec -- rimraf LICENSE NOTICE esm lib",
     "lint": "eslint .",
     "prepare": "lerna run prepare",
diff --git a/packages/dom/package.json b/packages/dom/package.json
index c64f7ce..be12524 100644
--- a/packages/dom/package.json
+++ b/packages/dom/package.json
@@ -9,8 +9,9 @@
   },
   "license": "Apache-2.0",
   "author": "Apache Software Foundation",
-  "main": "lib/index.js",
-  "module": "esm/index.js",
+  "main": "./lib/index.js",
+  "module": "./esm/index.js",
+  "types": "./src/types.d.ts",
   "dependencies": {
     "@babel/runtime-corejs3": "^7.8.7",
     "cartesian": "^1.0.1",
diff --git a/@types/cartesian/index.d.ts b/packages/dom/src/types/cartesian.d.ts
similarity index 100%
rename from @types/cartesian/index.d.ts
rename to packages/dom/src/types/cartesian.d.ts
diff --git a/@types/dom-seek/index.d.ts b/packages/dom/src/types/dom-seek.d.ts
similarity index 100%
rename from @types/dom-seek/index.d.ts
rename to packages/dom/src/types/dom-seek.d.ts
diff --git a/packages/dom/tsconfig.json b/packages/dom/tsconfig.json
new file mode 100644
index 0000000..afffb53
--- /dev/null
+++ b/packages/dom/tsconfig.json
@@ -0,0 +1,6 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "lib": ["dom", "dom.iterable", "esnext"]
+  }
+}
diff --git a/packages/selector/package.json b/packages/selector/package.json
index 2617dad..fc32323 100644
--- a/packages/selector/package.json
+++ b/packages/selector/package.json
@@ -9,8 +9,9 @@
   },
   "license": "Apache-2.0",
   "author": "Apache Software Foundation",
-  "main": "lib/index.js",
-  "module": "esm/index.js",
+  "main": "./lib/index.js",
+  "module": "./esm/index.js",
+  "types": "./src/index.d.ts",
   "dependencies": {
     "@babel/runtime-corejs3": "^7.8.7",
     "core-js": "^3.6.4"
diff --git a/packages/selector/tsconfig.json b/packages/selector/tsconfig.json
new file mode 100644
index 0000000..9536a0f
--- /dev/null
+++ b/packages/selector/tsconfig.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../../tsconfig.base.json"
+}
diff --git a/tsconfig.base.json b/tsconfig.base.json
new file mode 100644
index 0000000..b8b3d12
--- /dev/null
+++ b/tsconfig.base.json
@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "baseUrl": "./",
+    "composite": true,
+    "declaration": true,
+    "declarationMap": true,
+    "downlevelIteration": true,
+    "emitDeclarationOnly": true,
+    "isolatedModules": true,
+    "lib": ["esnext"],
+    "moduleResolution": "node",
+    "strict": true,
+    "target": "es2017"
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index 78ff87a..9a05b84 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,30 +1,11 @@
 {
-  "compilerOptions": {
-    "allowSyntheticDefaultImports": true,
-    "baseUrl": ".",
-    "downlevelIteration": true,
-    "isolatedModules": true,
-    "lib": [
-      "dom",
-      "dom.iterable",
-      "esnext",
-    ],
-    "moduleResolution": "node",
-    "noEmit": true,
-    "paths": {
-      "@annotator/*": ["packages/*/src"]
+  "files": [],
+  "references": [
+    {
+      "path": "./packages/dom/tsconfig.json"
     },
-    "strict": true,
-    "target": "es2017",
-    "typeRoots": [
-      "@types",
-      "node_modules/@types"
-    ]
-  },
-  "include": [
-    "@types",
-    "packages/*/src",
-    "packages/*/test",
-    "test"
-  ]
+    {
+      "path": "./packages/selector/tsconfig.json"
+    }
+  ],
 }