* docs: add references to app.whenReady() in isReady
* refactor: prefer app.whenReady()
In the docs, specs, and lib, replace instances of `app.once('ready')`
(seen occasionally) and `app.on('ready')` (extremely common) with
`app.whenReady()`.
It's better to encourage users to use whenReady():
1. it handles the edge case of registering for 'ready' after it's fired
2. it avoids the minor wart of leaving an active listener alive for
an event that wll never fire again
		
	
			
		
			
				
	
	
		
			20 lines
		
	
	
	
		
			632 B
			
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
	
		
			632 B
			
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// Retrieve information about screen size, displays, cursor position, etc.
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//
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// For more info, see:
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// https://electronjs.org/docs/api/screen
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const { app, BrowserWindow } = require('electron')
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let mainWindow = null
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app.whenReady().then(() => {
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  // We cannot require the screen module until the app is ready.
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  const { screen } = require('electron')
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  // Create a window that fills the screen's available work area.
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  const primaryDisplay = screen.getPrimaryDisplay()
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  const { width, height } = primaryDisplay.workAreaSize
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  mainWindow = new BrowserWindow({ width, height })
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  mainWindow.loadURL('https://electronjs.org')
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})
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