Electron nodeIntegration not working, also general weird Electron behavior [duplicate]

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Electron 12 is now defaulting contextIsolation to true, which disables Node (here are the release notes; and here’s the PR).

Here’s a discussion of this change. nodeIntegration for what it’s worth is going to be removed in a future Electron version.

The easiest way to fix this is to simply disable context isolation:

mainWindow = new BrowserWindow({
      webPreferences: {
          nodeIntegration: true,
          contextIsolation: false
     }
});

That being said, you might want to consider keeping contextIsolation enabled for security reasons. See this document explaining why this feature bolsters the security of your application.

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