@42px/custom-errors 中文文档教程

Question

Custom errors

用于方便错误处理的小型实用程序。

Installation

npm install @42px/custom-errors

Usage

import { createCustomError } from '@42px/custom-errors'
import { findRoom, doRoomStuff, showError } from 'rooms'

const RoomNotFound = createCustomError('RoomNotFound')

async function findAndProceed(id) {
    const room = await findRoom(id)
    if (!room) {
      throw new RoomNotFound()
    }
    doRoomStuff(room)
}

findAndProceed(1)
    .catch((err) => {
        if(err.name === 'RoomNotFound') showError('Sorry, room not found')
    })