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<!--
SPDX-FileCopyrightText: syuilo and misskey-project
SPDX-License-Identifier: AGPL-3.0-only
-->
<template>
<div>
<MkLoading v-if="fetching"/>
<div v-show="!fetching" :class="$style.root">
<canvas ref="chartEl"></canvas>
</div>
</div>
</template>
<script lang="ts" setup>
import { onMounted, useTemplateRef, ref, nextTick } from 'vue';
import { Chart } from 'chart.js';
import gradient from 'chartjs-plugin-gradient';
import tinycolor from 'tinycolor2';
import { misskeyApi } from '@/utility/misskey-api.js';
import { store } from '@/store.js';
import { useChartTooltip } from '@/use/use-chart-tooltip.js';
import { chartVLine } from '@/utility/chart-vline.js';
import { initChart } from '@/utility/init-chart.js';
initChart();
const chartEl = useTemplateRef('chartEl');
const now = new Date();
let chartInstance: Chart | null = null;
const chartLimit = 30;
const fetching = ref(true);
const { handler: externalTooltipHandler } = useChartTooltip();
async function renderChart() {
if (chartInstance) {
chartInstance.destroy();
}
const getDate = (ago: number) => {
const y = now.getFullYear();
const m = now.getMonth();
const d = now.getDate();
return new Date(y, m, d - ago);
};
const format = (arr) => {
return arr.map((v, i) => ({
x: getDate(i).getTime(),
y: v,
}));
};
const raw = await misskeyApi('charts/active-users', { limit: chartLimit, span: 'day' });
fetching.value = false;
await nextTick();
const vLineColor = store.s.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
const computedStyle = getComputedStyle(window.document.documentElement);
const accent = tinycolor(computedStyle.getPropertyValue('--MI_THEME-accent')).toHexString();
const colorRead = accent;
const colorWrite = '#2ecc71';
const max = Math.max(...raw.read);
if (chartEl.value == null) return;
chartInstance = new Chart(chartEl.value, {
type: 'bar',
data: {
datasets: [{
parsing: false,
label: 'Read',
data: format(raw.read).slice().reverse(),
pointRadius: 0,
borderWidth: 0,
borderJoinStyle: 'round',
borderRadius: 4,
backgroundColor: colorRead,
barPercentage: 0.5,
categoryPercentage: 1,
fill: true,
}],
},
options: {
aspectRatio: 2.5,
layout: {
padding: {
left: 0,
right: 8,
top: 0,
bottom: 0,
},
},
scales: {
x: {
type: 'time',
offset: true,
time: {
unit: 'day',
displayFormats: {
day: 'M/d',
month: 'Y/M',
},
},
grid: {
display: false,
},
ticks: {
stepSize: 1,
display: true,
maxRotation: 0,
autoSkipPadding: 8,
},
},
y: {
position: 'left',
suggestedMax: 10,
grid: {
display: true,
},
ticks: {
display: true,
//mirror: true,
},
},
},
interaction: {
intersect: false,
mode: 'index',
},
plugins: {
legend: {
display: false,
},
tooltip: {
enabled: false,
mode: 'index',
animation: {
duration: 0,
},
external: externalTooltipHandler,
},
},
},
plugins: [chartVLine(vLineColor)],
});
}
onMounted(async () => {
renderChart();
});
</script>
<style lang="scss" module>
.root {
padding: 20px;
}
</style>
|
