forked from shibao/cannery
86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
import { Chart, Title, Tooltip, Legend, LineController, LineElement, PointElement, TimeScale, LinearScale } from 'chart.js'
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import 'chartjs-adapter-date-fns'
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Chart.register(Title, Tooltip, Legend, LineController, LineElement, PointElement, TimeScale, LinearScale)
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export default {
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initalizeChart (el) {
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const data = JSON.parse(el.dataset.chartData)
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this.el.chart = new Chart(el, {
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type: 'line',
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data: {
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datasets: [{
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label: el.dataset.label,
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data: data.map(({ date, count, label }) => ({
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label,
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x: date,
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y: count
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})),
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backgroundColor: `${el.dataset.color}77`,
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borderColor: el.dataset.color,
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fill: true,
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borderWidth: 3,
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pointBorderWidth: 1
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}]
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},
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options: {
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elements: {
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point: {
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radius: 9,
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hoverRadius: 12
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}
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},
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plugins: {
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legend: {
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position: 'bottom',
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labels: {
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padding: 20
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}
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},
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tooltip: {
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displayColors: false,
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callbacks: {
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title: (contexts) => contexts.map(({ raw: { x } }) => Intl.DateTimeFormat([], { timeZone: 'Etc/UTC', dateStyle: 'short' }).format(new Date(x))),
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label: ({ raw: { label } }) => label
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}
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}
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},
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scales: {
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y: {
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beginAtZero: true,
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stacked: true,
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grace: '15%',
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ticks: {
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padding: 15
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}
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},
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x: {
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type: 'time',
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time: {
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unit: 'day'
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}
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}
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},
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transitions: {
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show: {
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animations: {
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x: {
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from: 0
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}
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}
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},
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hide: {
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animations: {
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x: {
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to: 0
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}
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}
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}
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}
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}
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})
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},
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mounted () { this.initalizeChart(this.el) },
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updated () { this.initalizeChart(this.el) }
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}
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