Using Axios' Cancel Token with Electron's IPC

background.js

// Cancel Token Docs: https://axios-http.com/docs/cancellation
// IPC Docs: https://www.electronjs.org/docs/api/ipc-main
import { ipcMain } from ‘electron’
import axios from 'axios'

const CancelToken = axios.CancelToken
let cancel

// 1. make the request
ipcMain.handle('download', async (event, ...args) => {
  console.log('main: download', event, args)
  const result = await axios.get(
    'https://api.com/download',
    {
      file: args[0],
      cancelToken: new CancelToken(function executor(cancelor) {
        // 2. get the cancel token
        cancel = cancelor
      })
    },
  )
  return result.data
})

// 3. listen for cancellation events
ipcMain.handle('cancel-download', async (event, ...args) => {
  console.log('main: cancel-download', event, args)
  // 4. make sure cancel is defined and cancel the equest
  if (cancel) cancel.cancel()
})