Automatically compile VSCode extension before debugging it

.vscode/launch.json

@@ -1,4 +1,5 @@
 {
+	"version": "0.2.0",
 	"configurations": [
 		{
 			"name": "Extension",
@@ -6,7 +7,8 @@
 			"request": "launch",
 			"args": [
 				"--extensionDevelopmentPath=${workspaceFolder}/vscode-ext"
-			]
+			],
+			"preLaunchTask": "Compile VSCode extension"
 		}
 	]
 }

.vscode/tasks.json

@@ -0,0 +1,15 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "Compile VSCode extension",
+      "type": "shell",
+      "command": "npm",
+      "args": ["run", "compile"],
+      "problemMatcher": "$tsc",
+      "options": {
+        "cwd": "${workspaceFolder}/vscode-ext"
+      }
+    }
+  ]
+}