badger/.github/scripts/comment.js

module.exports = async ({ github, context, header, body }) => {
    const comment = [header, body].join("\n");

    const { data: comments } = await github.rest.issues.listComments({
        owner: context.repo.owner,
        repo: context.repo.repo,
        issue_number: context.payload.number,
    });

    const botComment = comments.find(
        (comment) =>
            // github-actions bot user
            comment.user.id === 41898282 && comment.body.startsWith(header)
    );

    const commentFn = botComment ? "updateComment" : "createComment";

    await github.rest.issues[commentFn]({
        owner: context.repo.owner,
        repo: context.repo.repo,
        body: comment,
        ...(botComment
            ? { comment_id: botComment.id }
            : { issue_number: context.payload.number }),
    });
};