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MisskeyIO/src/client/components/queue-chart.vue

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Vue
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<template>
<canvas ref="chartEl"></canvas>
</template>
<script lang="ts">
import { defineComponent, onMounted, onUnmounted, ref } from 'vue';
import {
Chart,
ArcElement,
LineElement,
BarElement,
PointElement,
BarController,
LineController,
CategoryScale,
LinearScale,
TimeScale,
Legend,
Title,
Tooltip,
SubTitle,
Filler,
} from 'chart.js';
import number from '@client/filters/number';
import * as os from '@client/os';
import { defaultStore } from '@client/store';
Chart.register(
ArcElement,
LineElement,
BarElement,
PointElement,
BarController,
LineController,
CategoryScale,
LinearScale,
TimeScale,
Legend,
Title,
Tooltip,
SubTitle,
Filler,
);
const alpha = (hex, a) => {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
const r = parseInt(result[1], 16);
const g = parseInt(result[2], 16);
const b = parseInt(result[3], 16);
return `rgba(${r}, ${g}, ${b}, ${a})`;
};
export default defineComponent({
props: {
domain: {
type: String,
required: true,
},
connection: {
required: true,
},
},
setup(props) {
const chartEl = ref<HTMLCanvasElement>(null);
const gridColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.1)';
// フォントカラー
Chart.defaults.color = getComputedStyle(document.documentElement).getPropertyValue('--fg');
onMounted(() => {
const chartInstance = new Chart(chartEl.value, {
type: 'line',
data: {
labels: [],
datasets: [{
label: 'Process',
pointRadius: 0,
tension: 0,
borderWidth: 2,
borderColor: '#00E396',
backgroundColor: alpha('#00E396', 0.1),
data: []
}, {
label: 'Active',
pointRadius: 0,
tension: 0,
borderWidth: 2,
borderColor: '#00BCD4',
backgroundColor: alpha('#00BCD4', 0.1),
data: []
}, {
label: 'Waiting',
pointRadius: 0,
tension: 0,
borderWidth: 2,
borderColor: '#FFB300',
backgroundColor: alpha('#FFB300', 0.1),
data: []
}, {
label: 'Delayed',
pointRadius: 0,
tension: 0,
borderWidth: 2,
borderColor: '#E53935',
borderDash: [5, 5],
fill: false,
data: []
}],
},
options: {
aspectRatio: 2.5,
layout: {
padding: {
left: 16,
right: 16,
top: 16,
bottom: 8,
},
},
scales: {
x: {
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grid: {
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display: true,
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color: gridColor,
borderColor: 'rgb(0, 0, 0, 0)',
},
ticks: {
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display: true,
maxTicksLimit: 10
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},
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},
y: {
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grid: {
color: gridColor,
borderColor: 'rgb(0, 0, 0, 0)',
},
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},
},
interaction: {
intersect: false,
},
plugins: {
legend: {
position: 'bottom',
labels: {
boxWidth: 16,
},
},
tooltip: {
mode: 'index',
animation: {
duration: 0,
},
},
},
},
});
const onStats = (stats) => {
chartInstance.data.labels.push('');
chartInstance.data.datasets[0].data.push(stats[props.domain].activeSincePrevTick);
chartInstance.data.datasets[1].data.push(stats[props.domain].active);
chartInstance.data.datasets[2].data.push(stats[props.domain].waiting);
chartInstance.data.datasets[3].data.push(stats[props.domain].delayed);
if (chartInstance.data.datasets[0].data.length > 200) {
chartInstance.data.labels.shift();
chartInstance.data.datasets[0].data.shift();
chartInstance.data.datasets[1].data.shift();
chartInstance.data.datasets[2].data.shift();
chartInstance.data.datasets[3].data.shift();
}
chartInstance.update();
};
const onStatsLog = (statsLog) => {
for (const stats of [...statsLog].reverse()) {
chartInstance.data.labels.push('');
chartInstance.data.datasets[0].data.push(stats[props.domain].activeSincePrevTick);
chartInstance.data.datasets[1].data.push(stats[props.domain].active);
chartInstance.data.datasets[2].data.push(stats[props.domain].waiting);
chartInstance.data.datasets[3].data.push(stats[props.domain].delayed);
if (chartInstance.data.datasets[0].data.length > 200) {
chartInstance.data.labels.shift();
chartInstance.data.datasets[0].data.shift();
chartInstance.data.datasets[1].data.shift();
chartInstance.data.datasets[2].data.shift();
chartInstance.data.datasets[3].data.shift();
}
}
chartInstance.update();
};
props.connection.on('stats', onStats);
props.connection.on('statsLog', onStatsLog);
onUnmounted(() => {
props.connection.off('stats', onStats);
props.connection.off('statsLog', onStatsLog);
});
});
return {
chartEl,
}
},
});
</script>
<style lang="scss" scoped>
</style>