72 lines
1.6 KiB
Vue
72 lines
1.6 KiB
Vue
<template>
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<canvas ref="canvas">
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<slot></slot>
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</canvas>
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</template>
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<script setup>
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import {get, templateRef, watchOnce} from "@vueuse/core";
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import {Tableau20} from "~/vendor/chartjs-colorschemes/colorschemes.tableau";
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import {Chart} from "chart.js";
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import gettext from "~/vendor/gettext";
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import {onUnmounted} from "vue";
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const props = defineProps({
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options: Object,
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data: Array,
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labels: Array
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});
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let $chart = null;
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const $canvas = templateRef('canvas');
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const {$gettext} = gettext;
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watchOnce($canvas, () => {
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const defaultOptions = {
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type: 'bar',
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data: {
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labels: props.labels,
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datasets: props.data
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},
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options: {
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aspectRatio: 2,
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plugins: {
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colorschemes: {
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scheme: Tableau20
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}
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},
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scales: {
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x: {
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scaleLabel: {
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display: true,
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labelString: $gettext('Hour')
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}
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},
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y: {
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scaleLabel: {
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display: true,
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labelString: $gettext('Listeners')
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},
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ticks: {
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min: 0
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}
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}
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}
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}
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};
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if ($chart) {
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$chart.destroy();
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}
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let chartOptions = _.defaultsDeep({}, props.options, defaultOptions);
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$chart = new Chart(get($canvas).getContext('2d'), chartOptions);
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});
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onUnmounted(() => {
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if ($chart) {
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$chart.destroy();
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}
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});
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</script>
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