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June 18, 2026 16:44
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electron_issue_43310
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP --> | |
| <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self' https://cdn.jsdelivr.net 'unsafe-inline'"> | |
| <title>Hello World!</title> | |
| <link rel="stylesheet" href="reset.css" /> | |
| <!-- <link rel="stylesheet" href="https://unpkg.com/mvp.css"> --> | |
| <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/sakura.css/css/sakura.css" type="text/css"> | |
| <style> | |
| body { | |
| /* padding: 1rem; */ | |
| } | |
| main { | |
| margin-top: 2rem; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <header> | |
| <h1>Hello World!</h1> | |
| We are using Node.js <span id="node-version"></span>, | |
| Chromium <span id="chrome-version"></span>, | |
| and Electron <span id="electron-version"></span>. | |
| </header> | |
| <main> | |
| <button>Open</button> | |
| <output></output> | |
| </main> | |
| <!-- You can also require other files to run in this process --> | |
| <script src="./renderer.js"></script> | |
| </body> | |
| </html> |
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| // Modules to control application life and create native browser window | |
| const { app, dialog, ipcMain, BrowserWindow } = require('electron') | |
| const path = require('node:path') | |
| app.commandLine.appendSwitch('--xdg-portal-required-version=4'); | |
| function createWindow () { | |
| // Create the browser window. | |
| const mainWindow = new BrowserWindow({ | |
| width: 800, | |
| height: 600, | |
| webPreferences: { | |
| preload: path.join(__dirname, 'preload.js') | |
| } | |
| }) | |
| // and load the index.html of the app. | |
| mainWindow.loadFile('index.html') | |
| // Open the DevTools. | |
| // mainWindow.webContents.openDevTools() | |
| } | |
| // This method will be called when Electron has finished | |
| // initialization and is ready to create browser windows. | |
| // Some APIs can only be used after this event occurs. | |
| app.whenReady().then(() => { | |
| createWindow() | |
| app.on('activate', function () { | |
| // On macOS it's common to re-create a window in the app when the | |
| // dock icon is clicked and there are no other windows open. | |
| if (BrowserWindow.getAllWindows().length === 0) createWindow() | |
| }) | |
| }) | |
| // Quit when all windows are closed, except on macOS. There, it's common | |
| // for applications and their menu bar to stay active until the user quits | |
| // explicitly with Cmd + Q. | |
| app.on('window-all-closed', function () { | |
| if (process.platform !== 'darwin') app.quit() | |
| }) | |
| // In this file you can include the rest of your app's specific main process | |
| // code. You can also put them in separate files and require them here. | |
| let defaultPath = '/tmp'; | |
| ipcMain.handle('OPEN', () => { | |
| const f = dialog.showOpenDialogSync(BrowserWindow.getFocusedWindow(), { | |
| title: "Open window", | |
| defaultPath: defaultPath, | |
| properties: ['openFile', 'showHiddenFiles', 'multiSelections'], | |
| message: "Choose wisely", | |
| }); | |
| if (f?.length) { | |
| defaultPath = path.dirname(f[0]); | |
| console.log('saving default path', defaultPath); | |
| } | |
| return f; | |
| }) |
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| { | |
| "name": "fiddle", | |
| "productName": "fiddle", | |
| "description": "My Electron application description", | |
| "keywords": [], | |
| "main": "./main.js", | |
| "version": "1.0.0", | |
| "author": "lucas", | |
| "scripts": { | |
| "start": "electron ." | |
| }, | |
| "dependencies": { | |
| "@electron-forge/cli": "8.0.0-alpha.3", | |
| "@electron-forge/maker-deb": "8.0.0-alpha.3", | |
| "@electron-forge/maker-rpm": "8.0.0-alpha.3", | |
| "@electron-forge/maker-squirrel": "8.0.0-alpha.3", | |
| "@electron-forge/maker-zip": "8.0.0-alpha.3" | |
| }, | |
| "devDependencies": { | |
| "electron": "42.3.1" | |
| } | |
| } |
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| const { contextBridge, ipcRenderer } = require( 'electron' ) | |
| /** | |
| * The preload script runs before `index.html` is loaded | |
| * in the renderer. It has access to web APIs as well as | |
| * Electron's renderer process modules and some polyfilled | |
| * Node.js functions. | |
| * | |
| * https://www.electronjs.org/docs/latest/tutorial/sandbox | |
| */ | |
| window.addEventListener('DOMContentLoaded', () => { | |
| const replaceText = (selector, text) => { | |
| const element = document.getElementById(selector) | |
| if (element) element.innerText = text | |
| } | |
| for (const type of ['chrome', 'node', 'electron']) { | |
| replaceText(`${type}-version`, process.versions[type]) | |
| } | |
| }) | |
| contextBridge.exposeInMainWorld('api', { | |
| open: () => ipcRenderer.invoke('OPEN') | |
| }) |
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| /** | |
| * This file is loaded via the <script> tag in the index.html file and will | |
| * be executed in the renderer process for that window. No Node.js APIs are | |
| * available in this process because `nodeIntegration` is turned off and | |
| * `contextIsolation` is turned on. Use the contextBridge API in `preload.js` | |
| * to expose Node.js functionality from the main process. | |
| */ | |
| async function promptFile() { | |
| const result = await window.api.open(); | |
| console.log(result); | |
| document.querySelector('output').textContent = result; | |
| } | |
| window.onload = () => { | |
| document.querySelector('button').addEventListener('click', promptFile) | |
| }; | |
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| /*! modern-reset | MIT License | github.com/aprinciple/modern-reset */ | |
| *,*::before,*::after{box-sizing:border-box}:where(*:not(dialog,[popover])){margin:0}:where(html){scrollbar-gutter:stable;color-scheme:light dark;-webkit-text-size-adjust:none;text-size-adjust:none;overflow-x:clip}:where(body){max-inline-size:100%;min-block-size:100dvh;line-height:1.5}:where(h1,h2,h3,h4,h5,h6){text-wrap:balance;overflow-wrap:break-word}:where(p){text-wrap:pretty;overflow-wrap:break-word}:where(ol,ul){list-style:none;margin:0;padding:0}:where(a){text-decoration-skip-ink:auto;text-underline-offset:.2ex}:where(sup,sub){font-size:75%;line-height:0;position:relative;vertical-align:baseline}:where(sup){top:-.5em}:where(sub){bottom:-.25em}:where(hr){border:none;border-block-start:1px solid;color:inherit}:where(abbr[title]){text-decoration:underline dotted;cursor:help}:where(code,kbd,samp,pre){font-size:.875em}:not([class]){&:where(h1,h2,h3,h4,h5,h6){margin-block:.75em;line-height:1.25;letter-spacing:-.025ch}&:where(p,ol,ul){margin-block:1em}&:where(ol,ul){list-style:revert;padding-inline-start:1.5em}&:where(li){margin-block:.5em}}:where(img,picture,video,canvas,svg){display:block;max-inline-size:100%;block-size:auto}:where(img){font-style:italic}:where(input,button,textarea,select){font:inherit;letter-spacing:inherit;word-spacing:inherit;color:currentColor}:where(textarea,select,input){field-sizing:content;max-inline-size:100%}:where(textarea){resize:vertical}:where(button){padding:0;border:0;background:none;cursor:pointer}:where(button:disabled){cursor:not-allowed}:where(table){border-collapse:collapse;border-spacing:0}:where(dialog){color:inherit}:where(:target){scroll-margin-top:2rem}:where(#root,#__next){isolation:isolate}@media (prefers-reduced-motion:no-preference){:where(html){scroll-behavior:smooth;interpolate-size:allow-keywords}}@media (hover:none){:where(html){-webkit-tap-highlight-color:#fff0}} |
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