Fix bug with null pr body

also tried to get tests running. but no joy

.gitignore

@@ -1 +1,2 @@
 *.code-workspace
+**node_modules

.vscode/launch.json

@@ -0,0 +1,23 @@
+{
+    // 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": "Jest Tests",
+            "program": "${workspaceRoot}\\node_modules\\jest\\bin\\jest.js",
+            "args": [
+                "-i"
+            ],
+            //"preLaunchTask": "build",
+            "internalConsoleOptions": "openOnSessionStart",
+            "outFiles": [
+                "${workspaceRoot}/dist/**/*"
+            ],
+            "envFile": "${workspaceRoot}/.env"
+        }
+    ]
+}

index.js

@@ -98,7 +98,7 @@ const extractTrelloCardIds = async (pr, stopOnNonLink = false) =>   {
   const cardIds = [];
 
   //check pr body
-  const prBody = pr.body;
+  const prBody = pr.body ?? '';
   core.debug(`prBody: ${util.inspect(prBody)}`);
 
   extractCardIdsFromText(prBody,cardIds, stopOnNonLink);