Created
June 28, 2020 11:07
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electron window reload hang bug reproduction
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| { | |
| "name": "test", | |
| "version": "1.0.0", | |
| "description": "", | |
| "main": "testProcess.js", | |
| "scripts": { | |
| "start": "electron ." | |
| }, | |
| "author": "", | |
| "license": "ISC", | |
| "devDependencies": { | |
| "electron": "^9.0.5" | |
| } | |
| } |
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| const electron = require('electron'); | |
| let mainWindow; | |
| function createWindow() { | |
| mainWindow = new electron.BrowserWindow({ | |
| show: false, | |
| webPreferences: { | |
| nodeIntegration: true, | |
| enableRemoteModule: false, | |
| }, | |
| }); | |
| mainWindow.loadFile('testWindow.html'); | |
| mainWindow.once('ready-to-show', () => { | |
| if (mainWindow == null) return; | |
| mainWindow.show(); | |
| mainWindow.webContents.openDevTools(); | |
| }); | |
| mainWindow.on('closed', () => { | |
| mainWindow = null; | |
| }); | |
| } | |
| // Window creation and closing | |
| electron.app.on('ready', createWindow); | |
| electron.app.on('window-all-closed', () => { | |
| if (process.platform !== 'darwin') electron.app.quit(); | |
| }); | |
| electron.app.on('activate', () => { | |
| if (mainWindow === null) createWindow(); | |
| }); | |
| // IPC requests | |
| electron.ipcMain.handle('toggle-devtools', () => mainWindow?.webContents.toggleDevTools()); | |
| electron.ipcMain.handle('reload-window', () => mainWindow?.webContents.reloadIgnoringCache()); |
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="Content-Security-Policy" content="default-src * 'unsafe-inline'"> | |
| </head> | |
| <body> | |
| ...loading... | |
| <script src="testWindow.js"></script> | |
| </body> | |
| </html> |
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| const {ipcRenderer} = require('electron'); | |
| const FS = require('fs'); | |
| var {promisify} = require('util'); | |
| const readdir = promisify(FS.readdir); | |
| // Global shortcuts | |
| window.addEventListener('keydown', (event) => { | |
| switch (event.key) { | |
| // Developer tools | |
| case 'F12': | |
| ipcRenderer.invoke('toggle-devtools'); | |
| break; | |
| // Reload window | |
| case 'F5': | |
| ipcRenderer.invoke('reload-window'); | |
| break; | |
| } | |
| }); | |
| async function load() { | |
| console.log('load(): start'); | |
| try { | |
| await readdir('.'); // <= it hangs here on reload | |
| document.body.innerHTML = 'success! press F5 to reload'; | |
| } catch (error) { | |
| document.body.innerHTML = `<pre>${error.message || error.stack}</pre>`; | |
| } | |
| console.log('load(): end'); | |
| } | |
| load().then(console.log, console.error); |
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