Add output of previous and created comment ids

src/comment.ts

@@ -7,6 +7,10 @@ import {
 } from "@octokit/graphql-schema"
 import {GitHub} from "@actions/github/lib/utils"
 
+type CreateCommentResponse = Awaited<
+  ReturnType<InstanceType<typeof GitHub>["rest"]["issues"]["createComment"]>
+>
+
 function headerComment(header: String): string {
   return `<!-- Sticky Pull Request Comment${header} -->`
 }
@@ -111,11 +115,13 @@ export async function createComment(
   body: string,
   header: string,
   previousBody?: string
-): Promise<void> {
+): Promise<CreateCommentResponse | undefined> {
-  if (!body && !previousBody)
+  if (!body && !previousBody) {
-    return core.warning("Comment body cannot be blank")
+    core.warning("Comment body cannot be blank")
+    return
+  }
 
-  let x = await octokit.rest.issues.createComment({
+  return await octokit.rest.issues.createComment({
     ...repo,
     issue_number,
     body: previousBody
@@ -145,7 +151,7 @@ export async function minimizeComment(
 ): Promise<void> {
   await octokit.graphql(
     `
-    mutation($input: MinimizeCommentInput!) { 
+    mutation($input: MinimizeCommentInput!) {
       minimizeComment(input: $input) {
         clientMutationId
       }

src/main.ts

@@ -64,6 +64,8 @@ async function run(): Promise<undefined> {
       header
     )
 
+    core.setOutput("previous_comment_id", previous?.id)
+
     if (deleteOldComment) {
       if (previous) {
         await deleteComment(octokit, previous.id)
@@ -75,7 +77,14 @@ async function run(): Promise<undefined> {
       if (onlyUpdateComment) {
         return
       }
-      await createComment(octokit, repo, pullRequestNumber, body, header)
+      const created = await createComment(
+        octokit,
+        repo,
+        pullRequestNumber,
+        body,
+        header
+      )
+      core.setOutput("created_comment_id", created?.data.id)
       return
     }
 
@@ -93,7 +102,7 @@ async function run(): Promise<undefined> {
     const previousBody = getBodyOf(previous, append, hideDetails)
     if (recreate) {
       await deleteComment(octokit, previous.id)
-      await createComment(
+      const created = await createComment(
         octokit,
         repo,
         pullRequestNumber,
@@ -101,12 +110,20 @@ async function run(): Promise<undefined> {
         header,
         previousBody
       )
+      core.setOutput("created_comment_id", created?.data.id)
       return
     }
 
     if (hideAndRecreate) {
       await minimizeComment(octokit, previous.id, hideClassify)
-      await createComment(octokit, repo, pullRequestNumber, body, header)
+      const created = await createComment(
+        octokit,
+        repo,
+        pullRequestNumber,
+        body,
+        header
+      )
+      core.setOutput("created_comment_id", created?.data.id)
       return
     }