Skip to content

Instantly share code, notes, and snippets.

@stefansundin
Last active February 5, 2023 01:10
Show Gist options
  • Save stefansundin/18ab5af281e820ce15927e126df8712d to your computer and use it in GitHub Desktop.
Save stefansundin/18ab5af281e820ce15927e126df8712d to your computer and use it in GitHub Desktop.
electron-log undefined bug
<!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' 'unsafe-inline'">
<link href="./styles.css" rel="stylesheet">
<title>Hello World!</title>
</head>
<body>
<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>.
<!-- You can also require other files to run in this process -->
<script src="./renderer.js"></script>
</body>
</html>
const {BrowserWindow} = require('electron')
const path = require('path')
const log = require('electron-log')
console.log(undefined);
console.log = log.log;
console.log(undefined);
// The lines above log the following: (why is undefined logged as null?)
// undefined
// 17:08:28.211 › null
function createWindow () {
const mainWindow = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
preload: path.join(__dirname, 'preload.js')
}
})
mainWindow.loadFile('index.html')
}
{
"name": "loud-structure-wobble-qf32f",
"productName": "loud-structure-wobble-qf32f",
"description": "My Electron application description",
"keywords": [],
"main": "./main.js",
"version": "1.0.0",
"author": "stefan",
"scripts": {
"start": "electron ."
},
"dependencies": {
"electron-log": "4.4.8"
},
"devDependencies": {
"electron": "22.2.0"
}
}
/**
* The preload script runs before. 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])
}
})
/**
* 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.
*/
/* styles.css */
/* Add styles here to customize the appearance of your app */
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment