misskey/packages/frontend/src/widgets/WidgetRssTicker.vue

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<template>
<MkContainer :naked="widgetProps.transparent" :show-header="widgetProps.showHeader" class="mkw-rss-ticker">
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<template #icon><i class="ti ti-rss"></i></template>
<template #header>RSS</template>
<template #func="{ buttonStyleClass }"><button class="_button" :class="buttonStyleClass" @click="configure"><i class="ti ti-settings"></i></button></template>
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<div :class="$style.feed">
<div v-if="fetching" :class="$style.loading">
<MkEllipsis/>
</div>
<div v-else>
<Transition :name="$style.change" mode="default" appear>
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<MarqueeText :key="key" :duration="widgetProps.duration" :reverse="widgetProps.reverse">
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<span v-for="item in items" :key="item.link" :class="$style.item">
<a :class="$style.link" :href="item.link" rel="nofollow noopener" target="_blank" :title="item.title">{{ item.title }}</a><span :class="$style.divider"></span>
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</span>
</MarqueeText>
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</Transition>
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</div>
</div>
</MkContainer>
</template>
<script lang="ts" setup>
import { ref, watch, computed } from 'vue';
import { useWidgetPropsManager, Widget, WidgetComponentExpose } from './widget';
import MarqueeText from '@/components/MkMarquee.vue';
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import { GetFormResultType } from '@/scripts/form';
import MkContainer from '@/components/MkContainer.vue';
import { shuffle } from '@/scripts/shuffle';
import { url as base } from '@/config';
import { useInterval } from '@/scripts/use-interval';
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const name = 'rssTicker';
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const widgetPropsDef = {
url: {
type: 'string' as const,
default: 'http://feeds.afpbb.com/rss/afpbb/afpbbnews',
},
shuffle: {
type: 'boolean' as const,
default: true,
},
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refreshIntervalSec: {
type: 'number' as const,
default: 60,
},
maxEntries: {
type: 'number' as const,
default: 15,
},
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duration: {
type: 'range' as const,
default: 70,
step: 1,
min: 5,
max: 200,
},
reverse: {
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type: 'boolean' as const,
default: false,
},
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showHeader: {
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type: 'boolean' as const,
default: false,
},
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transparent: {
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type: 'boolean' as const,
default: false,
},
};
type WidgetProps = GetFormResultType<typeof widgetPropsDef>;
// 現時点ではvueの制限によりimportしたtypeをジェネリックに渡せない
//const props = defineProps<WidgetComponentProps<WidgetProps>>();
//const emit = defineEmits<WidgetComponentEmits<WidgetProps>>();
const props = defineProps<{ widget?: Widget<WidgetProps>; }>();
const emit = defineEmits<{ (ev: 'updateProps', props: WidgetProps); }>();
const { widgetProps, configure } = useWidgetPropsManager(name,
widgetPropsDef,
props,
emit,
);
const rawItems = ref([]);
const items = computed(() => {
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const newItems = rawItems.value.slice(0, widgetProps.maxEntries);
if (widgetProps.shuffle) {
shuffle(newItems);
}
return newItems;
});
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const fetching = ref(true);
const fetchEndpoint = computed(() => {
const url = new URL('/api/fetch-rss', base);
url.searchParams.set('url', widgetProps.url);
return url;
});
let intervalClear = $ref<(() => void) | undefined>();
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let key = $ref(0);
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const tick = () => {
if (document.visibilityState === 'hidden' && rawItems.value.length !== 0) return;
window.fetch(fetchEndpoint.value, {})
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.then(res => res.json())
.then(feed => {
rawItems.value = feed.items ?? [];
fetching.value = false;
key++;
});
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};
watch(() => fetchEndpoint, tick);
watch(() => widgetProps.refreshIntervalSec, () => {
if (intervalClear) {
intervalClear();
}
intervalClear = useInterval(tick, Math.max(10000, widgetProps.refreshIntervalSec * 1000), {
immediate: true,
afterMounted: true,
});
}, { immediate: true });
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defineExpose<WidgetComponentExpose>({
name,
configure,
id: props.widget ? props.widget.id : null,
});
</script>
<style lang="scss" module>
.change {
&:global(-enter-active),
&:global(-leave-active) {
position: absolute;
top: 0;
transition: all 1s ease;
}
&:global(-enter-from) {
opacity: 0;
transform: translateY(-100%);
}
&:global(-leave-to) {
opacity: 0;
transform: translateY(100%);
}
}
.feed {
--height: 42px;
padding: 0;
font-size: 0.9em;
line-height: var(--height);
height: var(--height);
contain: strict;
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}
.loading {
text-align: center;
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}
.item {
display: inline-flex;
align-items: center;
vertical-align: bottom;
color: var(--fg);
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}
.divider {
display: inline-block;
width: 0.5px;
height: 16px;
margin: 0 1em;
background: var(--divider);
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}
</style>