import { MIMETextError } from './MIMETextError.js'
export class Mailbox {
reSpecCompliantAddr = /(([^<>\r\n]+)\s)?<[^\r\n]+>/
name = ''
addr = ''
type: MailboxType = 'To'
constructor (input: MailboxAddrObject | string, config: MailboxConfig = { type: 'To' }) {
this.type = config.type
this.parse(input)
}
getAddrDomain (): string {
if (this.addr.includes('@')) {
const arr = this.addr.split('@')
if (arr.length > 1) return arr[1]!
}
return ''
}
dump (): string {
return this.name.length > 0 ? `"${this.name}" <${this.addr}>` : `<${this.addr}>`
}
parse (input: MailboxAddrObject | string): this {
if (this.isMailboxAddrObject(input)) {
this.addr = input.addr
if (typeof input.name === 'string') this.name = input.name
if (typeof input.type === 'string') this.type = input.type
return this
}
if (this.isMailboxAddrText(input)) {
const text = input.trim()
if (text.startsWith('<') && text.endsWith('>')) {
this.addr = text.slice(1, -1)
return this
}
const arr = text.split(' <') as [string, string]
arr[0] = /^("|')/.test(arr[0]) ? arr[0].slice(1) : arr[0]
arr[0] = /("|')$/.test(arr[0]) ? arr[0].slice(0, -1) : arr[0]
arr[1] = arr[1].slice(0, -1)
this.name = arr[0]
this.addr = arr[1]
return this
}
if (typeof input === 'string') {
this.addr = input
return this
}
throw new MIMETextError('MIMETEXT_INVALID_MAILBOX', 'Couldn\'t recognize the input.')
}
isMailboxAddrText (v: unknown): boolean {
return typeof v === 'string' && this.reSpecCompliantAddr.test(v)
}
isMailboxAddrObject (v: unknown): v is MailboxAddrObject {
return this.isObject(v) && Object.hasOwn(v, 'addr')
}
isObject (v: unknown): v is object {
return (!!v) && (v.constructor === Object)
}
}
export interface MailboxConfig {
type: MailboxType
}
export interface MailboxAddrObject {
addr: string
name?: string
type?: MailboxType
}
export type MailboxType = 'To' | 'From' | 'Cc' | 'Bcc'
