manager/templates/update/update.js

const {ipcRenderer} = require("electron");
const packageJson = require("../../package.json")
const ipc = ipcRenderer;
const fs = require("fs")

const loadingSpan = document.getElementById("loadingSpan")
const infoSpan = document.getElementById("infoSpan")
const load = document.getElementById("load")

document.getElementById("version").innerHTML = packageJson.version

ipc.on("error", () => {

    loadingSpan.innerHTML = "<i class='fa fa-times'></i>"
    load.innerHTML = "<button style='padding: 10%;' class='buttonTryAgain' id='close'>Fermer</button>"
    infoSpan.innerHTML = 'Une erreur est apparue lors de la mise à jour, fermez puis relancez !'
    const close = document.getElementById("close")
    close.addEventListener("click", () => {

        ipc.send("close")
    })


})