Add launch file (using debugger)

.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+    // 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": "Launch Program",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}\\dist\\index.js",
+            "outFiles": [
+                "${workspaceFolder}/**/*.js"
+            ]
+        }
+    ]
+}

tsconfig.json

@@ -7,7 +7,8 @@
     "strict": true,                           /* Enable all strict type-checking options. */
     "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
     "skipLibCheck": true,                     /* Skip type checking of declaration files. */
-    "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */
+    "forceConsistentCasingInFileNames": true,  /* Disallow inconsistently-cased references to the same file. */
+    "sourceMap": true,
   },
   "include":[
     "src/**/*.ts"