[MOB-12122] Migrate Danger to TypeScript

.circleci/config.yml

@@ -3,6 +3,7 @@ version: 2.1
 orbs:
   android: circleci/android@2.0
   flutter: circleci/flutter@1.0
+  node: circleci/node@5.1.0
 
 commands:
   setup_flutter:
@@ -73,12 +74,15 @@ commands:
 
 jobs:
   danger:
-    docker:
-      - image: circleci/ruby:2.6.4
+    executor:
+      name: node/default
     steps:
       - checkout
-      - run: bundle install
-      - run: bundle exec danger
+      - node/install-packages:
+          pkg-manager: yarn
+      - run:
+          name: Run Danger
+          command: yarn danger ci
 
   test_flutter:
     parameters:

.gitignore

@@ -38,6 +38,9 @@ ios/**/Generated/
 build/
 coverage/
 
+# Node related
+node_modules
+
 # Android related
 **/android/**/gradle-wrapper.jar
 **/android/.gradle

dangerfile.ts

@@ -0,0 +1,29 @@
+import { danger, fail, schedule, warn } from 'danger';
+
+const hasSourceChanges = danger.git.modified_files.some((file) =>
+  file.startsWith('lib/')
+);
+const declaredTrivial =
+  !hasSourceChanges ||
+  danger.github.issue.labels.some((label) => label.name === 'trivial');
+
+// Make sure PR has a description.
+async function hasDescription() {
+  const linesOfCode = (await danger.git.linesOfCode()) ?? 0;
+  const hasNoDescription = danger.github.pr.body.includes(
+    '> Description goes here'
+  );
+  if (hasNoDescription && linesOfCode > 10) {
+    fail(
+      'Please provide a summary of the changes in the pull request description.'
+    );
+  }
+
+  if (!danger.git.modified_files.includes('CHANGELOG.md') && !declaredTrivial) {
+    warn(
+      'You have not included a CHANGELOG entry! \nYou can find it at [CHANGELOG.md](https://github.com/Instabug/Instabug-Flutter/blob/master/CHANGELOG.md).'
+    );
+  }
+}
+
+schedule(hasDescription());

package.json

@@ -0,0 +1,7 @@
+{
+  "name": "Instabug-Flutter",
+  "version": "0.0.0",
+  "devDependencies": {
+    "danger": "^11.2.5"
+  }
+}