node-redis/packages/search/lib/commands/DROPINDEX.ts

import { CommandParser } from '@redis/client/dist/lib/client/parser';
import { RedisArgument, SimpleStringReply, NumberReply, Command } from '@redis/client/dist/lib/RESP/types';

export interface FtDropIndexOptions {
  DD?: true;
}

export default {
  NOT_KEYED_COMMAND: true,
  IS_READ_ONLY: true,
  /**
   * Deletes an index and all associated documents.
   * @param parser - The command parser
   * @param index - Name of the index to delete
   * @param options - Optional parameters:
   *   - DD: Also delete the indexed documents themselves
   */
  parseCommand(parser: CommandParser, index: RedisArgument, options?: FtDropIndexOptions) {
    parser.push('FT.DROPINDEX', index);

    if (options?.DD) {
      parser.push('DD');
    }
  },
  transformReply: {
    2: undefined as unknown as () => SimpleStringReply<'OK'>,
    3: undefined as unknown as () => NumberReply
  }
} as const satisfies Command;