Function buildDiscussionUpdateData

actions/setup/js/update_discussion.cjs:265–307

* Build update data from message * @param {Object} item - The message item * @param {Object} config - Configuration object * @returns {{success: true, data: Object} | {success: false, error: string}} Update data result

(item, config)

 * @returns {{success: true, data: Object} | {success: false, error: string}} Update data result
 */
function buildDiscussionUpdateData(item, config) {
  const updateData = {};

  if (item.title !== undefined) {
    if (config.allow_title !== true) {
      return { success: false, error: "Title updates are not allowed by the safe-outputs configuration" };
    }
    // Sanitize title for Unicode security (no prefix handling needed for updates)
    updateData.title = sanitizeTitle(item.title);
  }
  if (item.body !== undefined) {
    if (config.allow_body !== true) {
      return { success: false, error: "Body updates are not allowed by the safe-outputs configuration" };
    }
    updateData.body = item.body;
  }

  // Handle labels update when allowed
  if (config.allow_labels === true && item.labels !== undefined) {
    if (!Array.isArray(item.labels)) {
      return { success: false, error: "Invalid labels value: must be an array" };
    }

    const limitResult = tryEnforceArrayLimit(item.labels, MAX_LABELS, "labels");
    if (!limitResult.success) {
      core.warning(`Discussion update label limit exceeded: ${limitResult.error}`);
      return { success: false, error: limitResult.error };
    }

    const allowedLabels = config.allowed_labels || [];
    const labelsResult = validateLabels(item.labels, allowedLabels.length > 0 ? allowedLabels : undefined, MAX_LABELS);
    if (!labelsResult.valid) {
      return { success: false, error: labelsResult.error ?? "Invalid labels" };
    }

    updateData.labels = labelsResult.value ?? [];
  }

  // Pass footer config to executeUpdate (default to true)
  updateData._includeFooter = parseBoolTemplatable(config.footer, true);

  return { success: true, data: updateData };
}

/**
 * Format success result for discussion update