refactor: add vscode launch json

.gitignore

@@ -98,7 +98,8 @@ typings/
 
 # ignore ide files
 .idea
-.vscode
+.vscode?*
+!.vscode/launch.json
 
 # ignore lib
 lib

.vscode/launch.json

@@ -0,0 +1,16 @@
+{
+    // 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": "0.2.0",
+    "configurations": [
+        {
+            "type":"node",
+            "request": "launch",
+            "name": "Run mocha for nodejs workspace",
+            "runtimeExecutable": "${fileDirname}/../node_modules/.bin/c8",
+            "cwd": "${fileDirname}/../",
+            "runtimeArgs": ["--config", "${workspaceFolder}/.c8rc.json", "${fileDirname}/../node_modules/.bin/mocha", "--exit", "--reporter", "spec"]
+        },
+    ]
+}