@cull/imap/src/code.ts

A simple, configurable javascript interface exposing mailboxes and messages via IMAP.

import { Status } from './response';

/**
 * Response Code
 * @link https://tools.ietf.org/html/rfc3501#section-7.1
 */
export enum Code {
  ALERT = 'ALERT',
  BADCHARSET = 'BADCHARSET',
  CAPABILITY = 'CAPABILITY',
  PARSE = 'PARSE',
  PERMANENTFLAGS = 'PERMANENTFLAGS',
  READONLY = 'READ-ONLY',
  READWRITE = 'READ-WRITE',
  TRYCREATE = 'TRYCREATE',
  UIDNEXT = 'UIDNEXT',
  UIDVALIDITY = 'UIDVALIDITY',
  UNSEEN = 'UNSEEN'
}

/**
 * Response Code and associated data
 * @link https://tools.ietf.org/html/rfc3501#section-7.1
 */
export class ResponseCode {
  status: Status;
  code: string;
  data?: any;
  text?: string;

  constructor(status: Status, code: string, data?: string, text?: string) {
    // if (!(code in Code)) {
    //   throw new Error(`${code} is not a valid response code.`);
    // }
    this.status = status;
    this.code = code;
    this.text = text;
    switch (code) {
      case Code.CAPABILITY:
        this.data = data?.split(` `);
        break;
      case Code.PERMANENTFLAGS:
        let m = data?.match(/^\((.*)\)$/);
        if (m) {
          this.data = m[1].split(` `);
        }
        break;
      default:
        this.data = data;
        break;
    }
  }
}

export default ResponseCode;