discordeno/plugins/permissions/src/webhooks/editWebhook.ts

import { BotWithCache } from "../../deps.ts";
import { requireBotChannelPermissions } from "../permissions.ts";

export default function editWebhook(bot: BotWithCache) {
  const editWebhookOld = bot.helpers.editWebhook;

  bot.helpers.editWebhook = function (channelId, webhookId, options) {
    requireBotChannelPermissions(bot, channelId, ["MANAGE_WEBHOOKS"]);
    if (options.name) {
      if (
        // Specific usernames that discord does not allow
        options.name === "clyde" ||
        !bot.utils.validateLength(options.name, { min: 2, max: 32 })
      ) {
        throw new Error(
          "The webhook name can not be clyde and it must be between 2 and 32 characters long.",
        );
      }
    }

    return editWebhookOld(channelId, webhookId, options);
  };
}