text: module.exports = {
  	config: {
  		type: 'polarArea',
  		data: {
  			labels: [0, 1, 2, 3, 4, 5],
  			datasets: [
  				{
  					// option in dataset
  					data: [0, 2, 4, null, 6, 8],
  					backgroundColor: function(ctx) {
  						var value = ctx.dataset.data[ctx.dataIndex] || 0;
  						return value > 8 ? '#ff0000'
  							: value > 6 ? '#00ff00'
  							: value > 2 ? '#0000ff'
  							: '#ff00ff';
  					}
  				},
  			]
  		},
  		options: {
  			scales: {
  				r: {
  					display: false
  				}
  			}
  		}
  	},
  	options: {
  		canvas: {
  			height: 256,
  			width: 512
  		}
  	}
  };
  