77 lines
2.0 KiB
TypeScript
77 lines
2.0 KiB
TypeScript
import * as d3 from 'd3';
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export interface Data {
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date: Date;
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km: number;
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}
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if(sessionStorage.getItem('userStats')) {
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const data = JSON.parse(sessionStorage.getItem('userStats') || '{}') as Data[];
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if(data.length >= 2) {
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const margin = { top: 20, right: 20, bottom: 50, left: 50 };
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const width: number = 960 - margin.left - margin.right;
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const height: number = 500 - margin.top - margin.bottom;
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data.forEach((d: Data) => {
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d.date = <Date> new Date(d.date)
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d.km = +d.km;
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});
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const x = d3.scaleTime()
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.domain(<[Date, Date]>d3.extent(data, (d: Data) => d.date))
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.range([0, width]);
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const y = d3.scaleLinear()
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.domain([0, Number(d3.max(data, (d: Data) => d.km))])
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.range([height, 0]);
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const line = d3.line<Data>()
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.x((d: Data) => x(d.date))
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.y((d: Data) => y(d.km));
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const svg = d3.select('#container')
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.append('svg')
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.attr('width', width + margin.left + margin.right)
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.attr('height', height + margin.top + margin.bottom)
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.call(responsivefy)
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.append('g')
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.attr('transform', `translate(${margin.left},${margin.top})`);
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svg.append('path')
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.data([data])
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.attr('class', 'line')
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.attr('d', line);
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svg.append('g')
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.attr('transform', `translate(0,${height})`)
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.call(d3.axisBottom(x));
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svg.append('g')
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.call(d3.axisLeft(y));
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}
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}
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function responsivefy(svg: any) {
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const container = d3.select(svg.node().parentNode);
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const width = parseInt(svg.style('width'), 10);
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const height = parseInt(svg.style('height'), 10);
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const aspect = width / height;
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svg.attr('viewBox', `0 0 ${width} ${height}`)
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.attr('preserveAspectRatio', 'xMinYMid')
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.call(resize);
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d3.select(window).on(
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'resize.' + container.attr('id'),
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resize
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);
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function resize() {
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const w = parseInt(container.style('width'));
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svg.attr('width', w);
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svg.attr('height', Math.round(w / aspect));
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}
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} |