[Bug]: add host-rules by app.commandLine.appendSwitch not work

[oohusl]

Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a bug report that matches the one I want to file, without success.

Electron Version

30.*

What operating system are you using?

macOS

Operating System Version

macOS 14.4.1

What arch are you using?

arm64 (including Apple Silicon)

Last Known Working Electron version

17.0.0

Expected Behavior

resolve the domain names by host-rules

Actual Behavior

host-rules doesn't work

Testcase Gist URL

No response

Additional Information

app.commandLine.appendSwitch('host-rules', 'MAP baidu.com 127.0.0.1')

const createWindow = () => {

// Create the browser window.
const mainWindow = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
preload: path.join(__dirname, 'preload.js'),
},
});

mainWindow.loadURL("https://www.baidu.com")
mainWindow.webContents.openDevTools();
};

baidu.com still resolve right ip, not the test ip 172.0.0.1

[clavin]

Thanks for reaching out and logging this issue! Because we treat our issues list as the team's backlog, we close issues that are questions since they don't represent a task needing to be completed. For most questions about Electron there are a lot of options.

Check out the Electron community. There are also a bunch of helpful people in this Discord that should be willing to point you in the right direction. For your question, I'd recommend the Discord - we have many active help channels and mentors, as well as fellow devs, who can help you out.