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/** |
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* Performance Chart Component |
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* |
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* Professional Chart.js implementation for Core Web Vitals and performance metrics |
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* |
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* @package ThinkRank |
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* @since 1.0.0 |
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*/ |
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|
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import { Line } from 'react-chartjs-2'; |
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|
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// Chart.js is loaded separately via charts.js entry point |
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// Components are registered globally by the charts bundle |
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|
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/** |
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* Performance Chart Component |
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*/ |
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const PerformanceChart = ({ |
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title, |
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data, |
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unit = '', |
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thresholds = {}, |
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height = 300, |
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showArea = true, |
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color = '#0073aa' |
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}) => { |
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// Prepare chart data |
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const chartData = { |
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labels: data.map((_, index) => { |
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const daysAgo = data.length - 1 - index; |
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const date = new Date(); |
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date.setDate(date.getDate() - daysAgo); |
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return date.toLocaleDateString('en-US', { month: 'short', day: 'numeric' }); |
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}), |
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datasets: [ |
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{ |
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label: title, |
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data: data.map(point => point.value), |
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borderColor: color, |
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backgroundColor: showArea ? `${color}20` : 'transparent', |
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borderWidth: 2, |
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fill: showArea, |
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tension: 0.4, |
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pointBackgroundColor: color, |
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pointBorderColor: '#ffffff', |
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pointBorderWidth: 2, |
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pointRadius: 4, |
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pointHoverRadius: 6, |
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pointHoverBackgroundColor: color, |
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pointHoverBorderColor: '#ffffff', |
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pointHoverBorderWidth: 2, |
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} |
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] |
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}; |
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|
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// Chart options |
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const options = { |
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responsive: true, |
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maintainAspectRatio: false, |
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plugins: { |
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legend: { |
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display: false |
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}, |
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title: { |
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display: true, |
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text: title, |
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font: { |
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size: 16, |
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weight: '600' |
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}, |
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color: '#1e1e1e', |
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padding: { |
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bottom: 20 |
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} |
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}, |
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tooltip: { |
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backgroundColor: '#ffffff', |
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titleColor: '#1e1e1e', |
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bodyColor: '#1e1e1e', |
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borderColor: '#e0e0e0', |
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borderWidth: 1, |
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cornerRadius: 8, |
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displayColors: false, |
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callbacks: { |
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label: function(context) { |
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const value = context.parsed.y; |
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const formattedValue = unit === 's' ? |
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`${value.toFixed(2)}s` : |
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unit === 'ms' ? |
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`${Math.round(value)}ms` : |
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value.toFixed(3); |
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|
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return `${title}: ${formattedValue}`; |
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} |
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} |
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} |
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}, |
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scales: { |
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x: { |
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grid: { |
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color: '#f0f0f0', |
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borderColor: '#e0e0e0' |
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}, |
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ticks: { |
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color: '#666666', |
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font: { |
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size: 12 |
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} |
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} |
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}, |
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y: { |
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beginAtZero: true, |
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grid: { |
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color: '#f0f0f0', |
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borderColor: '#e0e0e0' |
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}, |
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ticks: { |
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color: '#666666', |
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font: { |
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size: 12 |
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}, |
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callback: function(value) { |
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if (unit === 's') { |
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return `${value.toFixed(1)}s`; |
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} else if (unit === 'ms') { |
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return `${Math.round(value)}ms`; |
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} else { |
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return value.toFixed(2); |
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} |
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} |
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} |
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} |
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}, |
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interaction: { |
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intersect: false, |
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mode: 'index' |
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}, |
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elements: { |
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point: { |
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hoverRadius: 8 |
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} |
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} |
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}; |
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|
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// Add threshold lines if provided |
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if (thresholds.good || thresholds.needs_improvement) { |
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options.plugins.annotation = { |
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annotations: {} |
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}; |
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|
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if (thresholds.good) { |
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options.plugins.annotation.annotations.goodThreshold = { |
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type: 'line', |
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yMin: thresholds.good, |
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yMax: thresholds.good, |
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borderColor: '#34a853', |
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borderWidth: 2, |
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borderDash: [5, 5], |
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label: { |
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content: 'Good', |
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enabled: true, |
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position: 'end' |
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} |
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}; |
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} |
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|
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if (thresholds.needs_improvement) { |
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options.plugins.annotation.annotations.improvementThreshold = { |
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type: 'line', |
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yMin: thresholds.needs_improvement, |
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yMax: thresholds.needs_improvement, |
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borderColor: '#fbbc04', |
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borderWidth: 2, |
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borderDash: [5, 5], |
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label: { |
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content: 'Needs Improvement', |
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enabled: true, |
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position: 'end' |
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} |
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}; |
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} |
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} |
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|
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return ( |
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<div style={{ height: `${height}px`, width: '100%' }}> |
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<Line data={chartData} options={options} /> |
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</div> |
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); |
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}; |
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|
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export default PerformanceChart; |
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|
