append-separator

.github/comment-body-addition.md

@@ -1 +1 @@
-**Edit:** Some additional info
+This is still the second line.

.github/comment-body.md

@@ -1,5 +1,2 @@
 This is a multi-line test comment read from a file.
-- With GitHub **Markdown** :sparkles:
-- Created by [create-or-update-comment][1]
-
-[1]: https://github.com/peter-evans/create-or-update-comment
+This is the second line.

.github/workflows/ci.yml

@@ -112,6 +112,7 @@ jobs:
         with:
           comment-id: ${{ steps.couc2.outputs.comment-id }}
           body-file: .github/comment-body-addition.md
+          append-separator: ' ' # space instead of newline
           reactions: eyes, rocket
 
   package:

action.yml

@@ -18,6 +18,9 @@ inputs:
   edit-mode:
     description: 'The mode when updating a comment, "replace" or "append".'
     default: 'append'
+  append-separator:
+    description: 'The separator to use when appending to an existing comment.'
+    default: '\n'
   reactions:
     description: 'A comma or newline separated list of reactions to add to the comment.'
 outputs:

dist/index.js

@@ -118,7 +118,7 @@ function createOrUpdateComment(inputs) {
                         repo: repo,
                         comment_id: inputs.commentId
                     });
-                    commentBody = comment.body + '\n';
+                    commentBody = comment.body + inputs.appendSeparator;
                 }
                 commentBody = commentBody + body;
                 core.debug(`Comment body: ${commentBody}`);
@@ -220,6 +220,7 @@ function run() {
                 body: core.getInput('body'),
                 bodyFile: core.getInput('body-file'),
                 editMode: core.getInput('edit-mode'),
+                appendSeparator: core.getInput('append-separator'),
                 reactions: utils.getInputAsArray('reactions')
             };
             core.debug(`Inputs: ${(0, util_1.inspect)(inputs)}`);

src/create-or-update-comment.ts

@@ -10,6 +10,7 @@ export interface Inputs {
   body: string
   bodyFile: string
   editMode: string
+  appendSeparator: string
   reactions: string[]
 }
 
@@ -105,7 +106,7 @@ export async function createOrUpdateComment(inputs: Inputs): Promise<void> {
           repo: repo,
           comment_id: inputs.commentId
         })
-        commentBody = comment.body + '\n'
+        commentBody = comment.body + inputs.appendSeparator
       }
 
       commentBody = commentBody + body

src/main.ts

@@ -14,6 +14,7 @@ async function run(): Promise<void> {
       body: core.getInput('body'),
       bodyFile: core.getInput('body-file'),
       editMode: core.getInput('edit-mode'),
+      appendSeparator: core.getInput('append-separator'),
       reactions: utils.getInputAsArray('reactions')
     }
     core.debug(`Inputs: ${inspect(inputs)}`)