feat: fetch data for prs that need retest

src/lib/get_comments.mjs

@@ -0,0 +1,23 @@
+export default async function getEvents(repo, { body, actor } = {}) {
+  const { items: events } = await repo.events.fetch();
+
+  return events
+    .map(comment => {
+      // only comments created by specific user
+      if (comment.type !== 'IssueCommentEvent') return false;
+      if (comment.payload.action !== 'created') return false;
+      if (comment.actor.login !== actor) return false;
+      if (body && !body.test(comment.payload.comment.body)) return false;
+
+      return {
+        id: comment.id,
+        number: comment.payload.issue.number,
+        owner: comment.payload.issue.user.login,
+        labels: comment.payload.issue.labels.map(label => label.name),
+        comment_id: comment.payload.comment.id,
+        comment_author: comment.payload.comment.user.login,
+        comment_body: comment.payload.comment.body,
+      };
+    })
+    .filter(Boolean);
+}