react-chartjs-2#Chart JavaScript Examples

The following examples show how to use react-chartjs-2#Chart. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: App.js    From git-insights with MIT License 5 votes vote down vote up 
Chart.helpers.extend(Chart.elements.Rectangle.prototype, {
  draw: chartjs.draw
});
Example #2
Source File: Doughnut.jsx    From crypto-manager with MIT License 5 votes vote down vote up 
componentDidMount() {
		let userFormData = new FormData()
		userFormData.set('email', '[email protected]');
		userFormData.set('aadhar_card_no', 'abc123');
		userFormData.set('pan_card_no', 'abc123');
		
		var proxy = ""
		if(process.env.NODE_ENV === "production")
			proxy = "https://crypto-manager-prod.herokuapp.com"
		
		axios.post(
			proxy + '/user/portfolio/get', 
			userFormData
		)
		.then(res => {
			const data = (res.data)
			let coins = [];
			let quantity = [];
			let investmentPrice = [];
			var totalInvestment = 0
			data.forEach(record => {
				coins.push(record.tick);
				quantity.push(record.quantity);
				investmentPrice.push(record.investmentPrice);
				totalInvestment += record.investmentPrice;
			})

			if(totalInvestment < 999999)
				totalInvestment = Math.abs(totalInvestment) > 999 ? Math.sign(totalInvestment)*((Math.abs(totalInvestment)/1000).toFixed(1)) + 'K' : Math.sign(totalInvestment)*Math.abs(totalInvestment)
			else
				totalInvestment = Math.sign(totalInvestment)*((Math.abs(totalInvestment)/1000000).toFixed(1)) + 'M'
			
			// TODO: Handle more color options
			let backgroundColors = ['#1b9868', '#ffd700', '#ec6d10', '#68228b', '#1134A6', '#Cs1807'];
			
			this.setState({
				Data: {
					labels: coins,
					datasets: [
						{
							label: 'Portfolio',
							data: investmentPrice,
							backgroundColor: backgroundColors
						}
					]
				},
				Investment: totalInvestment
			})

			const context = this;

			Chart.pluginService.register({
				beforeDraw: function(chart) {
				var width = chart.chart.width,
					height = chart.chart.height,
					ctx = chart.chart.ctx;
			
				ctx.restore();
				var fontSize = (height / 114).toFixed(2);
				ctx.font = fontSize + "em sans-serif";
				ctx.textBaseline = "middle";
				
				var text = context.state.Investment,
					textX = Math.round((width - ctx.measureText(text).width) / 2),
					textY = height / 1.9;
			
				ctx.fillText(text, textX, textY);
				ctx.save();
				}
			});
		})
		.catch(err => {
			console.log(err);
		});
	}