forked from mirror/misskey
refactor(client): use composition api
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@ -9,82 +9,71 @@
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<polygon
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:points="polygonPoints"
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fill="#fff"
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fill-opacity="0.5"/>
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fill-opacity="0.5"
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/>
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<polyline
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:points="polylinePoints"
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fill="none"
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stroke="#fff"
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stroke-width="2"/>
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stroke-width="2"
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/>
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<circle
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:cx="headX"
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:cy="headY"
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r="3"
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fill="#fff"/>
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fill="#fff"
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/>
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</mask>
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</defs>
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<rect
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x="-10" y="-10"
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:width="viewBoxX + 20" :height="viewBoxY + 20"
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:style="`stroke: none; fill: url(#${ gradientId }); mask: url(#${ maskId })`"/>
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:style="`stroke: none; fill: url(#${ gradientId }); mask: url(#${ maskId })`"
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/>
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</svg>
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</template>
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<script lang="ts">
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import { defineComponent } from 'vue';
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<script lang="ts" setup>
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import { onUnmounted, watch } from 'vue';
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import { v4 as uuid } from 'uuid';
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import * as os from '@/os';
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export default defineComponent({
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props: {
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src: {
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type: Array,
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required: true
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}
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},
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data() {
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return {
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viewBoxX: 50,
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viewBoxY: 30,
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gradientId: uuid(),
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maskId: uuid(),
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polylinePoints: '',
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polygonPoints: '',
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headX: null,
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headY: null,
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clock: null
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};
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},
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watch: {
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src() {
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this.draw();
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}
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},
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created() {
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this.draw();
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const props = defineProps<{
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src: number[];
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}>();
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// Vueが何故かWatchを発動させない場合があるので
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this.clock = window.setInterval(this.draw, 1000);
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},
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beforeUnmount() {
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window.clearInterval(this.clock);
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},
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methods: {
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draw() {
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const stats = this.src.slice().reverse();
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const peak = Math.max.apply(null, stats) || 1;
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const viewBoxX = 50;
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const viewBoxY = 50;
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const gradientId = uuid();
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const maskId = uuid();
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let polylinePoints = $ref('');
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let polygonPoints = $ref('');
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let headX = $ref<number | null>(null);
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let headY = $ref<number | null>(null);
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let clock = $ref<number | null>(null);
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const polylinePoints = stats.map((n, i) => [
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i * (this.viewBoxX / (stats.length - 1)),
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(1 - (n / peak)) * this.viewBoxY
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]);
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function draw(): void {
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const stats = props.src.slice().reverse();
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const peak = Math.max.apply(null, stats) || 1;
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this.polylinePoints = polylinePoints.map(xy => `${xy[0]},${xy[1]}`).join(' ');
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const _polylinePoints = stats.map((n, i) => [
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i * (viewBoxX / (stats.length - 1)),
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(1 - (n / peak)) * viewBoxY,
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]);
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this.polygonPoints = `0,${ this.viewBoxY } ${ this.polylinePoints } ${ this.viewBoxX },${ this.viewBoxY }`;
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polylinePoints = _polylinePoints.map(xy => `${xy[0]},${xy[1]}`).join(' ');
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this.headX = polylinePoints[polylinePoints.length - 1][0];
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this.headY = polylinePoints[polylinePoints.length - 1][1];
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}
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}
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polygonPoints = `0,${ viewBoxY } ${ polylinePoints } ${ viewBoxX },${ viewBoxY }`;
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headX = _polylinePoints[_polylinePoints.length - 1][0];
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headY = _polylinePoints[_polylinePoints.length - 1][1];
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}
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watch(() => props.src, draw, { immediate: true });
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// Vueが何故かWatchを発動させない場合があるので
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clock = window.setInterval(draw, 1000);
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onUnmounted(() => {
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window.clearInterval(clock);
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});
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</script>
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