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fix: reactivity of Pie and Bar charts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,70 +1,78 @@ | ||
| <template> | ||
| <div> | ||
| <Pie :data="chartData" :options="chartOptions" /> | ||
| </div> | ||
| <canvas ref="canvasRef" id="myChart"></canvas> | ||
| </template> | ||
|
|
||
| <script lang="ts" setup> | ||
| import { Pie } from 'vue-chartjs' | ||
| import autocolors from 'chartjs-plugin-autocolors' | ||
| import { Chart as ChartJS, ArcElement, Tooltip, Title } from 'chart.js' | ||
| import type { ChartDataset } from '@/types' | ||
| import type { ScreenTimeSummary } from '@/types' | ||
| import { ref } from 'vue' | ||
| <script setup lang="ts"> | ||
| import { ref, watch } from 'vue'; | ||
| import type { ScreenTimeSummary } from '@/types'; | ||
| import autocolors from 'chartjs-plugin-autocolors'; | ||
| import { Chart as ChartJS, ArcElement,PieController, Tooltip, Title } from 'chart.js'; | ||
| ChartJS.register(autocolors, ArcElement, Tooltip, Title) | ||
| ChartJS.register(autocolors, ArcElement, PieController, Tooltip, Title); | ||
| const props = defineProps({ | ||
| summaries: { | ||
| type: Array as () => ScreenTimeSummary[] | null, | ||
| required: true | ||
| } | ||
| }) | ||
| const chartData = ref({ | ||
| labels: [] as string[], | ||
| datasets: [] as ChartDataset[] | ||
| }) | ||
| const chartOptions = { | ||
| responsive: true, | ||
| title: { | ||
| display: true, | ||
| text: 'Category time' | ||
| }, | ||
| plugins: { | ||
| autocolors: { | ||
| enabled: true, | ||
| mode: 'data' as const | ||
| } | ||
| } | ||
| } | ||
| const summaries = ref(props.summaries) | ||
| const uniqueCategoriesSet: Set<string> = new Set() | ||
| summaries.value?.forEach((summary) => { | ||
| for (const category in summary.categoryTotals) { | ||
| uniqueCategoriesSet.add(category) | ||
| } | ||
| }) | ||
| const uniqueCategories = Array.from(uniqueCategoriesSet) | ||
| const categoryTotals: number[] = [] | ||
| for (const category of uniqueCategories) { | ||
| const categoryTotal = summaries.value?.reduce((acc, summary) => { | ||
| return acc + (summary.categoryTotals[category] || 0) | ||
| }, 0) | ||
| categoryTotals.push(categoryTotal || 0) | ||
| interface Props { | ||
| summaries: ScreenTimeSummary[] | null; | ||
| } | ||
| chartData.value.labels = uniqueCategories | ||
| chartData.value.datasets = [ | ||
| { | ||
| label: 'Category time', | ||
| data: categoryTotals | ||
| const props = defineProps<Props>(); | ||
| const canvasRef = ref<HTMLCanvasElement | null>(null); | ||
| const getChartData = () => { | ||
| const uniqueCategoriesSet: Set<string> = new Set(); | ||
| props.summaries?.forEach((summary) => { | ||
| for (const category in summary.categoryTotals) { | ||
| uniqueCategoriesSet.add(category); | ||
| } | ||
| }); | ||
| const uniqueCategories = Array.from(uniqueCategoriesSet); | ||
| const categoryTotals: number[] = []; | ||
| for (const category of uniqueCategories) { | ||
| const categoryTotal = props.summaries?.reduce((acc, summary) => { | ||
| return acc + (summary.categoryTotals[category] || 0); | ||
| }, 0); | ||
| categoryTotals.push(categoryTotal || 0); | ||
| } | ||
| ] | ||
| </script> | ||
| return { | ||
| labels: uniqueCategories, | ||
| datasets: [ | ||
| { | ||
| label: 'Category time', | ||
| data: categoryTotals | ||
| } | ||
| ] | ||
| }; | ||
| }; | ||
| <style scoped> | ||
| canvas { | ||
| width: 400px; | ||
| height: 400px; | ||
| } | ||
| </style> | ||
| const renderChart = () => { | ||
| const canvas = canvasRef.value; | ||
| if (!canvas) return; | ||
| const ctx = canvas.getContext('2d'); | ||
| if (!ctx) return; | ||
| ChartJS.getChart(canvas)?.destroy(); | ||
| new ChartJS(ctx, { | ||
| type: 'pie', | ||
| data: getChartData(), | ||
| options: { | ||
| responsive: true, | ||
| plugins: { | ||
| autocolors: { | ||
| enabled: true, | ||
| mode: 'data' | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| }; | ||
| watch( | ||
| () => props.summaries, | ||
| () => { | ||
| console.log('summaries changed'); | ||
| renderChart(); | ||
| }, | ||
| { deep: true } | ||
| ); | ||
| </script> |
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