import { debug } from './utils/debug'

export class CLIError extends Error {

readonly errorCode: number

readonly message: string

readonly name = 'CLIError'

constructor(message: string, errorCode: number = CLIErrorCode.GENERAL_ERROR) {

super()

this.message = message

this.errorCode = errorCode

}

toString() {

return this.message

}

}

export const CLIErrorCode = {

INVALID_OPTIONS: -1,

GENERAL_ERROR: 1,

NOT_FOUND_BROWSER: 2,

LISTEN_PORT_IS_ALREADY_USED: 3,

CANNOT_SPAWN_SNAP_CHROMIUM: 4,

NOT_FOUND_SOFFICE: 5,

/** @deprecated NOT_FOUND_CHROMIUM is renamed to NOT_FOUND_BROWSER. */

NOT_FOUND_CHROMIUM: 2,

} as const

export function error(

msg: string,

errorCode: number = CLIErrorCode.GENERAL_ERROR

): never {

const cliError = new CLIError(msg, errorCode)

debug('%O', cliError)

throw cliError

}

// TODO: Use Error.isError instead, in Node.js v24.3+

// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/isError

export const isError = (e: unknown): e is NodeJS.ErrnoException => {

if (e instanceof Error) return true

const tag = Object.prototype.toString.call(e)

return tag === '[object Error]' || /^\[object .+Error\]$/i.test(tag)

}