diff --git a/build.js b/build.js
index 19a0dfb..edcb865 100755
--- a/build.js
+++ b/build.js
@@ -21,7 +21,7 @@ await build({
         // The file monaco-yaml/lib/esm/schemaSelectionHandlers.js imports code from the language
         // server part that we don’t want.
         onResolve({ filter: /\/schemaSelectionHandlers$/ }, () => ({
-          path: fileURLToPath(new URL('src/fillers/schemaSelectionHandlers.ts', import.meta.url))
+          path: fileURLToPath(new URL('fillers/schemaSelectionHandlers.ts', import.meta.url))
         }))
         // The yaml language service only imports re-exports of vscode-languageserver-types from
         // vscode-languageserver.
@@ -32,11 +32,11 @@ await build({
         }))
         // Ajv would significantly increase bundle size.
         onResolve({ filter: /^ajv$/ }, () => ({
-          path: fileURLToPath(new URL('src/fillers/ajv.ts', import.meta.url))
+          path: fileURLToPath(new URL('fillers/ajv.ts', import.meta.url))
         }))
         // We only need cloneDeep from lodash. This can be replaced with structuredClone.
         onResolve({ filter: /^lodash$/ }, () => ({
-          path: fileURLToPath(new URL('src/fillers/lodash.ts', import.meta.url))
+          path: fileURLToPath(new URL('fillers/lodash.ts', import.meta.url))
         }))
         // The yaml language service uses path. We can stub it using path-browserify.
         onResolve({ filter: /^path$/ }, () => ({
@@ -53,7 +53,7 @@ await build({
         }))
         // This tiny filler implementation serves all our needs.
         onResolve({ filter: /vscode-nls/ }, () => ({
-          path: fileURLToPath(new URL('src/fillers/vscode-nls.ts', import.meta.url)),
+          path: fileURLToPath(new URL('fillers/vscode-nls.ts', import.meta.url)),
           sideEffects: false
         }))
         // The language server dependencies tend to write both ESM and UMD output alongside each
diff --git a/examples/demo/tsconfig.json b/examples/demo/tsconfig.json
new file mode 100644
index 0000000..9536a0f
--- /dev/null
+++ b/examples/demo/tsconfig.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../../tsconfig.base.json"
+}
diff --git a/src/fillers/ajv.ts b/fillers/ajv.ts
similarity index 100%
rename from src/fillers/ajv.ts
rename to fillers/ajv.ts
diff --git a/src/fillers/lodash.ts b/fillers/lodash.ts
similarity index 100%
rename from src/fillers/lodash.ts
rename to fillers/lodash.ts
diff --git a/src/fillers/schemaSelectionHandlers.ts b/fillers/schemaSelectionHandlers.ts
similarity index 100%
rename from src/fillers/schemaSelectionHandlers.ts
rename to fillers/schemaSelectionHandlers.ts
diff --git a/fillers/tsconfig.json b/fillers/tsconfig.json
new file mode 100644
index 0000000..4eb37fe
--- /dev/null
+++ b/fillers/tsconfig.json
@@ -0,0 +1,3 @@
+{
+  "extends": "../tsconfig.base.json"
+}
diff --git a/src/fillers/vscode-nls.ts b/fillers/vscode-nls.ts
similarity index 100%
rename from src/fillers/vscode-nls.ts
rename to fillers/vscode-nls.ts
diff --git a/src/tsconfig.json b/src/tsconfig.json
new file mode 100644
index 0000000..4eb37fe
--- /dev/null
+++ b/src/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..a3f1ffa
--- /dev/null
+++ b/tsconfig.base.json
@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "module": "nodenext",
+    "noEmit": true,
+    "resolveJsonModule": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "types": []
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index 0586f52..4c98438 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,12 +1,8 @@
 {
-  "compilerOptions": {
-    "module": "nodenext",
-    "noEmit": true,
-    "resolveJsonModule": true,
-    "skipLibCheck": true,
-    "sourceMap": true,
-    "strict": true,
-    "target": "es2017",
-    "types": []
-  }
+  "files": [],
+  "references": [
+    { "path": "./fillers/tsconfig.json" },
+    { "path": "./src/tsconfig.json" },
+    { "path": "./examples/demo/tsconfig.json" }
+  ]
 }