text: // ------------------------------------
  // Modules -- Detector
  // ------------------------------------
  const Detector = {
    canvas: !! window.CanvasRenderingContext2D,
    webgl: ( function () {
  		try {
        var canvas = document.createElement( 'canvas' )
        return !! ( window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ) )
  		} catch ( e ) {
  			return false
  		}
  
  	})(),
    workers: !! window.Worker,
    fileapi: window.File && window.FileReader && window.FileList && window.Blob,
    getWebGLErrorMessage: function () {
  		var element = document.createElement( 'div' )
  		element.id = 'webgl-error-message'
  		element.style.fontFamily = 'monospace'
  		element.style.fontSize = '13px'
  		element.style.fontWeight = 'normal'
  		element.style.textAlign = 'center'
  		element.style.background = '#fff'
  		element.style.color = '#000'
  		element.style.padding = '1.5em'
  		element.style.width = '400px'
  		element.style.margin = '5em auto 0'
  		if (!this.webgl) {
  			element.innerHTML = window.WebGLRenderingContext ? [
  				'Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">WebGL</a>.<br />',
  				'Find out how to get it <a href="http://get.webgl.org/" style="color:#000">here</a>.'
  			].join( '\n' ) : [
  				'Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">WebGL</a>.<br/>',
  				'Find out how to get it <a href="http://get.webgl.org/" style="color:#000">here</a>.'
  			].join( '\n' )
  		}
  		return element
    },
    addGetWebGLMessage: function (parameters) {
  		var parent, id, element
  		parameters = parameters || {}
  		parent = parameters.parent !== undefined ? parameters.parent : document.body
  		id = parameters.id !== undefined ? parameters.id : 'oldie'
  		element = Detector.getWebGLErrorMessage()
  		element.id = id
  		parent.appendChild( element )
  	}
  }
  
  export default Detector