diff --git a/webview-sample/.prettierrc.json b/webview-sample/.prettierrc.json
new file mode 100644
index 00000000..c090136a
--- /dev/null
+++ b/webview-sample/.prettierrc.json
@@ -0,0 +1,5 @@
+{
+	"useTabs": true,
+	"printWidth": 120,
+	"singleQuote": true
+}
\ No newline at end of file
diff --git a/webview-sample/.vscode/extensions.json b/webview-sample/.vscode/extensions.json
new file mode 100644
index 00000000..438b19d0
--- /dev/null
+++ b/webview-sample/.vscode/extensions.json
@@ -0,0 +1,8 @@
+{
+	// See http://go.microsoft.com/fwlink/?LinkId=827846
+	// for the documentation about the extensions.json format
+	"recommendations": [
+		"eg2.tslint",
+		"esbenp.prettier-vscode"
+	]
+}
\ No newline at end of file
diff --git a/webview-sample/.vscode/launch.json b/webview-sample/.vscode/launch.json
index 8e89e0e7..461f3da0 100644
--- a/webview-sample/.vscode/launch.json
+++ b/webview-sample/.vscode/launch.json
@@ -1,19 +1,18 @@
 // A launch configuration that compiles the extension and then opens it inside a new window
+// Use IntelliSense to learn about possible attributes.
+// Hover to view descriptions of existing attributes.
+// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
 {
-    "version": "0.1.0",
-    "configurations": [
-        {
-            "name": "Launch Extension",
-            "type": "extensionHost",
-            "request": "launch",
-            "runtimeExecutable": "${execPath}",
-            "args": [
-                "--extensionDevelopmentPath=${workspaceRoot}"
-            ],
-            "stopOnEntry": false,
-            "sourceMaps": true,
-            "outDir": "${workspaceRoot}/out/src",
-            "preLaunchTask": "npm: watch"
-        }
-    ]
-}
\ No newline at end of file
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"name": "Run Extension",
+			"type": "extensionHost",
+			"request": "launch",
+			"runtimeExecutable": "${execPath}",
+			"args": ["--extensionDevelopmentPath=${workspaceRoot}"],
+			"outFiles": ["${workspaceFolder}/out/**/*.js"],
+			"preLaunchTask": "npm: watch"
+		}
+	]
+}
diff --git a/webview-sample/.vscode/settings.json b/webview-sample/.vscode/settings.json
index fe4def97..8d047dad 100644
--- a/webview-sample/.vscode/settings.json
+++ b/webview-sample/.vscode/settings.json
@@ -1,3 +1,3 @@
 {
-    "typescript.tsc.autoDetect": "off"
+    "editor.insertSpaces": false
 }
\ No newline at end of file
diff --git a/webview-sample/.vscode/tasks.json b/webview-sample/.vscode/tasks.json
index 604e38f5..3b17e53b 100644
--- a/webview-sample/.vscode/tasks.json
+++ b/webview-sample/.vscode/tasks.json
@@ -1,20 +1,20 @@
 // See https://go.microsoft.com/fwlink/?LinkId=733558
 // for the documentation about the tasks.json format
 {
-    "version": "2.0.0",
-    "tasks": [
-        {
-            "type": "npm",
-            "script": "watch",
-            "problemMatcher": "$tsc-watch",
-            "isBackground": true,
-            "presentation": {
-                "reveal": "never"
-            },
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            }
-        }
-    ]
-}
\ No newline at end of file
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "npm",
+			"script": "watch",
+			"problemMatcher": "$tsc-watch",
+			"isBackground": true,
+			"presentation": {
+				"reveal": "never"
+			},
+			"group": {
+				"kind": "build",
+				"isDefault": true
+			}
+		}
+	]
+}
diff --git a/webview-sample/README.md b/webview-sample/README.md
index cd112016..ae3bccd0 100644
--- a/webview-sample/README.md
+++ b/webview-sample/README.md
@@ -13,6 +13,17 @@ Demonstrates VS Code's [webview API](https://code.visualstudio.com/docs/extensio
 - Saving and restoring state when the panel goes into the background.
 - Serialization and persistence across VS Code reboots.
 
+## Demo
+
+![demo](demo.gif)
+
+## VS Code API
+
+### `vscode` module
+
+- [`window.createWebviewPanel`](https://code.visualstudio.com/docs/extensionAPI/vscode-api#window.createWebviewPanel)
+- [`window.registerWebviewPanelSerializer`](https://code.visualstudio.com/docs/extensionAPI/vscode-api#window.registerWebviewPanelSerializer)
+
 ## Running the example
 
 - Open this example in VS Code 1.25+
diff --git a/webview-sample/demo.gif b/webview-sample/demo.gif
new file mode 100644
index 00000000..13b39b44
Binary files /dev/null and b/webview-sample/demo.gif differ
diff --git a/webview-sample/tsconfig.json b/webview-sample/tsconfig.json
index 67641a1d..a374c9aa 100644
--- a/webview-sample/tsconfig.json
+++ b/webview-sample/tsconfig.json
@@ -5,8 +5,7 @@
 		"outDir": "out",
 		"lib": ["es6"],
 		"sourceMap": true,
-		"rootDir": ".",
-		"strict": true
+		"rootDir": "src"
 	},
 	"exclude": ["node_modules", ".vscode-test"]
 }
diff --git a/webview-sample/tslint.json b/webview-sample/tslint.json
new file mode 100644
index 00000000..f10fd18c
--- /dev/null
+++ b/webview-sample/tslint.json
@@ -0,0 +1,7 @@
+{
+	"rules": {
+		"indent": [true, "tabs"],
+		"quotemark": [true, "single"],
+		"semicolon": [true, "always"]
+	}
+}
\ No newline at end of file