How do I restrict my chrome app from being opened multiple times (so just one instance)?

google-chrome web-applications google-chrome-app

Create the window with an id and as a singleton. See the chrome.app.window documentation.

E.G. modify the hello world sample to create the window with

  chrome.app.window.create('index.html', {    id: "", // Even an empty string is sufficient.    singleton: true,

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