itk-viewer-bootstrap-ui/src/Main/fullscreenMethods.js

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const fullscreenMethods = []
const body = document.querySelector('body')
// https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API
;[
  ['requestFullscreen', 'exitFullscreen', 'fullscreenchange', 'fullscreen'],
  [
    'mozRequestFullScreen',
    'mozCancelFullScreen',
    'mozfullscreenchange',
    'mozFullScreen'
  ],
  [
    'msRequestFullscreen',
    'msExitFullscreen',
    'MSFullscreenChange',
    'msFullscreenEnabled'
  ],
  [
    'webkitRequestFullscreen',
    'webkitExitFullscreen',
    'webkitfullscreenchange',
    'webkitIsFullScreen'
  ]
].forEach((methods) => {
  if (body[methods[0]] && fullscreenMethods.length === 0) {
    fullscreenMethods.splice(methods, methods.length, ...methods)
  }
})

export default fullscreenMethods