diff --git a/src/Umbraco.Web.UI.Client/libs/backend-api/rollup.config.js b/src/Umbraco.Web.UI.Client/libs/backend-api/rollup.config.js
index 9151313ac8..945c0afe88 100644
--- a/src/Umbraco.Web.UI.Client/libs/backend-api/rollup.config.js
+++ b/src/Umbraco.Web.UI.Client/libs/backend-api/rollup.config.js
@@ -1,13 +1,4 @@
-import esbuild from 'rollup-plugin-esbuild';
-//import { nodeResolve } from '@rollup/plugin-node-resolve';
-
-export default [
-	{
-		input: 'index.ts',
-		output: {
-			file: 'dist/index.js',
-			format: 'es',
-		},
-		plugins: [esbuild({ sourceMap: true })],
-	},
-];
+import config from '../../utils/rollup.config.js';
+export default {
+	...config,
+};
diff --git a/src/Umbraco.Web.UI.Client/libs/context-api/package.json b/src/Umbraco.Web.UI.Client/libs/context-api/package.json
new file mode 100644
index 0000000000..ec0f9dfc2a
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/context-api/package.json
@@ -0,0 +1,20 @@
+{
+	"name": "@umbraco-cms/context-api",
+	"version": "0.0.0",
+	"description": "",
+	"module": "index.js",
+	"type": "module",
+	"files": [
+		"dist"
+	],
+	"scripts": {
+		"build": "rollup -c",
+		"test": "echo \"Error: no test specified\" && exit 1"
+	},
+	"dependencies": {
+		"lit": "^2.6.1",
+		"@umbraco-cms/element": "^0.0.0"
+	},
+	"author": "Umbraco HQ",
+	"license": "MIT"
+}
diff --git a/src/Umbraco.Web.UI.Client/libs/context-api/rollup.config.js b/src/Umbraco.Web.UI.Client/libs/context-api/rollup.config.js
new file mode 100644
index 0000000000..945c0afe88
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/context-api/rollup.config.js
@@ -0,0 +1,4 @@
+import config from '../../utils/rollup.config.js';
+export default {
+	...config,
+};
diff --git a/src/Umbraco.Web.UI.Client/libs/controller/package.json b/src/Umbraco.Web.UI.Client/libs/controller/package.json
new file mode 100644
index 0000000000..11bad2e628
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/controller/package.json
@@ -0,0 +1,16 @@
+{
+	"name": "@umbraco-cms/controller",
+	"version": "0.0.0",
+	"description": "",
+	"module": "index.js",
+	"type": "module",
+	"files": [
+		"dist"
+	],
+	"scripts": {
+		"build": "tsc && rollup -c",
+		"test": "echo \"Error: no test specified\" && exit 1"
+	},
+	"author": "Umbraco HQ",
+	"license": "MIT"
+}
diff --git a/src/Umbraco.Web.UI.Client/libs/controller/rollup.config.js b/src/Umbraco.Web.UI.Client/libs/controller/rollup.config.js
new file mode 100644
index 0000000000..945c0afe88
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/controller/rollup.config.js
@@ -0,0 +1,4 @@
+import config from '../../utils/rollup.config.js';
+export default {
+	...config,
+};
diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/package.json b/src/Umbraco.Web.UI.Client/libs/observable-api/package.json
new file mode 100644
index 0000000000..0d0b2b2d6f
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/package.json
@@ -0,0 +1,19 @@
+{
+	"name": "@umbraco-cms/observable-api",
+	"version": "0.0.0",
+	"description": "",
+	"module": "index.js",
+	"type": "module",
+	"files": [
+		"dist"
+	],
+	"scripts": {
+		"build": "tsc && rollup -c",
+		"test": "echo \"Error: no test specified\" && exit 1"
+	},
+	"dependencies": {
+		"rxjs": "^6.6.3"
+	},
+	"author": "Umbraco HQ",
+	"license": "MIT"
+}
diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/rollup.config.js b/src/Umbraco.Web.UI.Client/libs/observable-api/rollup.config.js
new file mode 100644
index 0000000000..945c0afe88
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/rollup.config.js
@@ -0,0 +1,4 @@
+import config from '../../utils/rollup.config.js';
+export default {
+	...config,
+};
diff --git a/src/Umbraco.Web.UI.Client/libs/resources/package.json b/src/Umbraco.Web.UI.Client/libs/resources/package.json
new file mode 100644
index 0000000000..c7ed92742c
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/resources/package.json
@@ -0,0 +1,16 @@
+{
+	"name": "@umbraco-cms/resources",
+	"version": "0.0.0",
+	"description": "",
+	"module": "index.js",
+	"type": "module",
+	"files": [
+		"dist"
+	],
+	"scripts": {
+		"build": "tsc && rollup -c",
+		"test": "echo \"Error: no test specified\" && exit 1"
+	},
+	"author": "Umbraco HQ",
+	"license": "MIT"
+}
diff --git a/src/Umbraco.Web.UI.Client/libs/resources/rollup.config.js b/src/Umbraco.Web.UI.Client/libs/resources/rollup.config.js
new file mode 100644
index 0000000000..945c0afe88
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/resources/rollup.config.js
@@ -0,0 +1,4 @@
+import config from '../../utils/rollup.config.js';
+export default {
+	...config,
+};