diff --git a/code/addons/essentials/package.json b/code/addons/essentials/package.json
index afb37f3424a2..cb61ef08b7fa 100644
--- a/code/addons/essentials/package.json
+++ b/code/addons/essentials/package.json
@@ -28,22 +28,50 @@
       "require": "./dist/index.js",
       "import": "./dist/index.mjs"
     },
-    "./actions/preview": "./dist/actions/preview.js",
+    "./actions/preview": {
+      "types": "./dist/actions/preview.d.ts",
+      "import": "./dist/actions/preview.mjs",
+      "require": "./dist/actions/preview.js"
+    },
     "./actions/manager": "./dist/actions/manager.js",
-    "./backgrounds/preview": "./dist/backgrounds/preview.js",
+    "./backgrounds/preview": {
+      "types": "./dist/backgrounds/preview.d.ts",
+      "import": "./dist/backgrounds/preview.mjs",
+      "require": "./dist/backgrounds/preview.js"
+    },
     "./backgrounds/manager": "./dist/backgrounds/manager.js",
     "./controls/manager": "./dist/controls/manager.js",
-    "./docs/preview": "./dist/docs/preview.js",
+    "./docs/preview": {
+      "types": "./dist/docs/preview.d.ts",
+      "import": "./dist/docs/preview.mjs",
+      "require": "./dist/docs/preview.js"
+    },
     "./docs/preset": "./dist/docs/preset.js",
     "./docs/mdx-react-shim": "./dist/docs/mdx-react-shim.js",
-    "./highlight/preview": "./dist/highlight/preview.js",
-    "./measure/preview": "./dist/measure/preview.js",
+    "./highlight/preview": {
+      "types": "./dist/highlight/preview.d.ts",
+      "import": "./dist/highlight/preview.mjs",
+      "require": "./dist/highlight/preview.js"
+    },
+    "./measure/preview": {
+      "types": "./dist/measure/preview.d.ts",
+      "import": "./dist/measure/preview.mjs",
+      "require": "./dist/measure/preview.js"
+    },
     "./measure/manager": "./dist/measure/manager.js",
-    "./outline/preview": "./dist/outline/preview.js",
+    "./outline/preview": {
+      "types": "./dist/outline/preview.d.ts",
+      "import": "./dist/outline/preview.mjs",
+      "require": "./dist/outline/preview.js"
+    },
     "./outline/manager": "./dist/outline/manager.js",
     "./toolbars/manager": "./dist/toolbars/manager.js",
     "./viewport/manager": "./dist/viewport/manager.js",
-    "./viewport/preview": "./dist/viewport/preview.js",
+    "./viewport/preview": {
+      "types": "./dist/viewport/preview.d.ts",
+      "import": "./dist/viewport/preview.mjs",
+      "require": "./dist/viewport/preview.js"
+    },
     "./package.json": "./package.json"
   },
   "main": "dist/index.js",