Add VSCode launch and task files for debugging

.gitignore

@@ -110,3 +110,6 @@ docs/*.aux
 
 # Mac's Finder's DS_Store files
 **/.DS_Store
+
+# Firefox debug storage
+tmp

.vscode/launch.json

@@ -0,0 +1,30 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "preLaunchTask": "npm: dev",
+            "postDebugTask": "Terminate All Tasks",
+            "type": "chrome",
+            "request": "launch",
+            "name": "Debug Chrome",
+            "url": "http://localhost:5173/bookbinder-js/",
+            "webRoot": "${workspaceFolder}",
+        },
+        {
+            "preLaunchTask": "npm: dev",
+            "postDebugTask": "Terminate All Tasks",
+            "type": "firefox",
+            "request": "launch",
+            "name": "Debug Firefox",
+            "url": "http://localhost:5173/bookbinder-js/",
+            "webRoot": "${workspaceFolder}",
+            "tmpDir": "${workspaceFolder}/tmp",
+            "pathMappings": [
+                {
+                    "url": "http://localhost:5173/bookbinder-js/src",
+                    "path": "${workspaceFolder}/src"
+                }
+            ]
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,45 @@
+{
+	"version": "2.0.0",
+	"inputs": [
+		{
+			"id": "terminate",
+			"type": "command",
+			"command": "workbench.action.tasks.terminate",
+			"args": "terminateAll"
+		}
+	],
+	"tasks": [
+		{
+			"label": "Terminate All Tasks",
+			"command": "echo ${input:terminate}",
+			"type": "shell",
+			"problemMatcher": []
+		},
+		{
+			"type": "npm",
+			"isBackground": true,
+			"script": "dev",
+			"label": "npm: dev",
+			"detail": "vite --port 5173",
+			// All this is needed so that VSCode doesn't wait for the prelaunch
+			// task to complete and just lets it run in the background
+			"problemMatcher": [
+				{
+					"pattern": [
+						{
+							"regexp": ".",
+							"file": 1,
+							"location": 2,
+							"message": 3
+						}
+					],
+					"background": {
+						"activeOnStart": true,
+						"beginsPattern": ".",
+						"endsPattern": ".",
+					}
+				}
+			]
+		}
+	]
+}

package.json

@@ -4,7 +4,7 @@
   "description": "An app to rearrange PDF pages for printing for bookbinding",
   "type": "module",
   "scripts": {
-    "dev": "vite",
+    "dev": "vite --port 5173",
     "build": "vite build",
     "preview": "vite preview",
     "test": "vitest"