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[WIP] typescript

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Marie Birner 2023-10-01 18:41:20 +02:00 committed by philipp
parent 9112fd9ea4
commit 79c378a887
2 changed files with 68 additions and 71 deletions
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120
frontend/logbook.ts
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@ -1,85 +1,81 @@
import * as d3 from 'd3'; import * as d3 from 'd3';
const margin = { top: 20, right: 20, bottom: 50, left: 50 }, export interface Data {
width = 960 - margin.left - margin.right, date: Date;
height = 500 - margin.top - margin.bottom; km: number;
}
const parseTime = d3.timeParse('%Y-%m-%d'); let data = [
{ date: new Date('2023-01-01'), km: 5 },
{ date: new Date('2023-02-01'), km: 24 },
{ date: new Date('2023-08-30'), km: 4000 },
];
data.forEach((d: any) => { if(sessionStorage.getItem('userStats')) {
d.date = parseTime(d.date); data = JSON.parse(sessionStorage.getItem('userStats') as Data[]);
d.km = +d.km;
});
const x = d3.scaleTime() const margin = { top: 20, right: 20, bottom: 50, left: 50 };
.domain(d3.extent(data, d => d.date)) const width: number = 960 - margin.left - margin.right;
.range([0, width]); const height: number = 500 - margin.top - margin.bottom;
const y = d3.scaleLinear() data.forEach((d: Data) => {
.domain([0, d3.max(data, d => d.km)]) d.date = <Date> new Date(d.date)
.range([height, 0]); d.km = +d.km;
});
const line = d3.line() const x = d3.scaleTime()
.x(d => x(d.date)) .domain(<[Date, Date]>d3.extent(data, (d: Data) => d.date))
.y(d => y(d.km)); .range([0, width]);
const svg = d3.select('#container') const y = d3.scaleLinear()
.append('svg') .domain([0, Number(d3.max(data, (d: Data) => d.km))])
.attr('width', width + margin.left + margin.right) .range([height, 0]);
.attr('height', height + margin.top + margin.bottom)
.call(responsivefy)
.append('g')
.attr('transform', `translate(${margin.left},${margin.top})`);
svg.append('path') const line = d3.line<Data>()
.data([data]) .x((d: Data) => x(d.date))
.attr('class', 'line') .y((d: Data) => y(d.km));
.attr('d', line);
svg.append('g') const svg = d3.select('#container')
.attr('transform', `translate(0,${height})`) .append('svg')
.call(d3.axisBottom(x)); .attr('width', width + margin.left + margin.right)
.attr('height', height + margin.top + margin.bottom)
.call(responsivefy)
.append('g')
.attr('transform', `translate(${margin.left},${margin.top})`);
svg.append('path')
.data([data])
.attr('class', 'line')
.attr('d', line);
svg.append('g')
.attr('transform', `translate(0,${height})`)
.call(d3.axisBottom(x));
svg.append('g')
.call(d3.axisLeft(y));
}
svg.append('g')
.call(d3.axisLeft(y));
function responsivefy(svg: any) { function responsivefy(svg: any) {
// container will be the DOM element const container = d3.select(svg.node().parentNode);
// that the svg is appended to const width = parseInt(svg.style('width'), 10);
// we then measure the container const height = parseInt(svg.style('height'), 10);
// and find its aspect ratio const aspect = width / height;
const container = d3.select(svg.node().parentNode),
width = parseInt(svg.style('width'), 10),
height = parseInt(svg.style('height'), 10),
aspect = width / height;
// set viewBox attribute to the initial size
// control scaling with preserveAspectRatio
// resize svg on inital page load
svg.attr('viewBox', `0 0 ${width} ${height}`) svg.attr('viewBox', `0 0 ${width} ${height}`)
.attr('preserveAspectRatio', 'xMinYMid') .attr('preserveAspectRatio', 'xMinYMid')
.call(resize); .call(resize);
// add a listener so the chart will be resized
// when the window resizes
// multiple listeners for the same event type
// requires a namespace, i.e., 'click.foo'
// api docs: https://goo.gl/F3ZCFr
d3.select(window).on( d3.select(window).on(
'resize.' + container.attr('id'), 'resize.' + container.attr('id'),
resize resize
); );
// this is the code that resizes the chart
// it will be called on load
// and in response to window resizes
// gets the width of the container
// and resizes the svg to fill it
// while maintaining a consistent aspect ratio
function resize() { function resize() {
const w = parseInt(container.style('width')); const w = parseInt(container.style('width'));
svg.attr('width', w); svg.attr('width', w);
svg.attr('height', Math.round(w / aspect)); svg.attr('height', Math.round(w / aspect));
} }
} }

1
templates/stat.html.tera
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@ -43,6 +43,7 @@ const data = [
{ date: '{{p.date}}', km: {{p.km}} }, { date: '{{p.date}}', km: {{p.km}} },
{%- endfor %} {%- endfor %}
] ]
sessionStorage.setItem('userStats', JSON.stringify(data));
</script> </script>
<script src="/public/logbook.js"></script> <script src="/public/logbook.js"></script>