Development of electron-vue, regarding event.reply is not a function problems.
When the main page rendering process to the time of communication, the following code
const { ipcMain } = require('electron');
ipcMain.on('asynchronous-message', (event, arg) => {
console.log('asynchronous-message', event.reply, arg); // prints "ping"
// event.sender.send("asynchronous-reply", 'as-pong')
event.reply('asynchronous-reply', 'as-pong')
})
And may be related version, use event.sender.send alternative reply on it.
https://stackoverflow.com/questions/57038073/ipcmain-event-reply-is-not-a-function
About the main process and rendering process communication can look at this https://wizardforcel.gitbooks.io/electron-doc/content/api/ipc-main.html references, or official documents.