Function executeDiscussionUpdate

actions/setup/js/update_discussion.cjs:115–202

* Execute the discussion update API call using GraphQL * @param {any} github - GitHub API client * @param {any} context - GitHub Actions context * @param {number} discussionNumber - Discussion number to update * @param {any} updateData - Data to update * @returns {Promise } Updated discussi

(github, context, discussionNumber, updateData)

 * @returns {Promise<any>} Updated discussion
 */
async function executeDiscussionUpdate(github, context, discussionNumber, updateData) {
  // First, fetch the discussion node ID
  const getDiscussionQuery = `
    query($owner: String!, $repo: String!, $number: Int!) {
      repository(owner: $owner, name: $repo) {
        discussion(number: $number) {
          id
          title
          body
          url
        }
      }
    }
  `;

  let queryResult;
  try {
    queryResult = await github.graphql(getDiscussionQuery, {
      owner: context.repo.owner,
      repo: context.repo.repo,
      number: discussionNumber,
    });
  } catch (err) {
    // prettier-ignore
    const fetchError = /** @type {any} */ (err);
    logGraphQLError(fetchError, `fetch discussion #${discussionNumber} from ${context.repo.owner}/${context.repo.repo}`, DISCUSSION_GRAPHQL_HINTS);
    throw fetchError;
  }

  const discussion = queryResult?.repository?.discussion;
  if (!discussion) {
    throw new Error(`${ERR_NOT_FOUND}: Discussion #${discussionNumber} not found`);
  }

  const hasTitleUpdate = updateData.title !== undefined;
  const hasBodyUpdate = updateData.body !== undefined;
  const hasLabelsUpdate = updateData.labels !== undefined;

  let updatedDiscussion = discussion;

  // Only call the updateDiscussion mutation when title or body actually needs updating.
  // Skipping this when only labels are being changed avoids accidentally modifying
  // the discussion body with stale or unexpected content.
  if (hasTitleUpdate || hasBodyUpdate) {
    const mutation = `
      mutation($discussionId: ID!, $title: String, $body: String) {
        updateDiscussion(input: { discussionId: $discussionId, title: $title, body: $body }) {
          discussion {
            id
            title
            body
            url
          }
        }
      }
    `;

    const variables = {