rename: client -> frontend
This commit is contained in:
syuilo
317
packages/frontend/src/components/MkPagination.vue
Normal file
317
packages/frontend/src/components/MkPagination.vue
Normal file
@@ -0,0 +1,317 @@
|
||||
<template>
|
||||
<transition :name="$store.state.animation ? 'fade' : ''" mode="out-in">
|
||||
<MkLoading v-if="fetching"/>
|
||||
|
||||
<MkError v-else-if="error" @retry="init()"/>
|
||||
|
||||
<div v-else-if="empty" key="_empty_" class="empty">
|
||||
<slot name="empty">
|
||||
<div class="_fullinfo">
|
||||
<img src="https://xn--931a.moe/assets/info.jpg" class="_ghost"/>
|
||||
<div>{{ i18n.ts.nothing }}</div>
|
||||
</div>
|
||||
</slot>
|
||||
</div>
|
||||
|
||||
<div v-else ref="rootEl">
|
||||
<div v-show="pagination.reversed && more" key="_more_" class="cxiknjgy _gap">
|
||||
<MkButton v-if="!moreFetching" class="button" :disabled="moreFetching" :style="{ cursor: moreFetching ? 'wait' : 'pointer' }" primary @click="fetchMoreAhead">
|
||||
{{ i18n.ts.loadMore }}
|
||||
</MkButton>
|
||||
<MkLoading v-else class="loading"/>
|
||||
</div>
|
||||
<slot :items="items"></slot>
|
||||
<div v-show="!pagination.reversed && more" key="_more_" class="cxiknjgy _gap">
|
||||
<MkButton v-if="!moreFetching" v-appear="($store.state.enableInfiniteScroll && !disableAutoLoad) ? fetchMore : null" class="button" :disabled="moreFetching" :style="{ cursor: moreFetching ? 'wait' : 'pointer' }" primary @click="fetchMore">
|
||||
{{ i18n.ts.loadMore }}
|
||||
</MkButton>
|
||||
<MkLoading v-else class="loading"/>
|
||||
</div>
|
||||
</div>
|
||||
</transition>
|
||||
</template>
|
||||
|
||||
<script lang="ts" setup>
|
||||
import { computed, ComputedRef, isRef, markRaw, onActivated, onDeactivated, Ref, ref, watch } from 'vue';
|
||||
import * as misskey from 'misskey-js';
|
||||
import * as os from '@/os';
|
||||
import { onScrollTop, isTopVisible, getScrollPosition, getScrollContainer } from '@/scripts/scroll';
|
||||
import MkButton from '@/components/MkButton.vue';
|
||||
import { i18n } from '@/i18n';
|
||||
|
||||
const SECOND_FETCH_LIMIT = 30;
|
||||
|
||||
export type Paging<E extends keyof misskey.Endpoints = keyof misskey.Endpoints> = {
|
||||
endpoint: E;
|
||||
limit: number;
|
||||
params?: misskey.Endpoints[E]['req'] | ComputedRef<misskey.Endpoints[E]['req']>;
|
||||
|
||||
/**
|
||||
* 検索APIのような、ページング不可なエンドポイントを利用する場合
|
||||
* (そのようなAPIをこの関数で使うのは若干矛盾してるけど)
|
||||
*/
|
||||
noPaging?: boolean;
|
||||
|
||||
/**
|
||||
* items 配列の中身を逆順にする(新しい方が最後)
|
||||
*/
|
||||
reversed?: boolean;
|
||||
|
||||
offsetMode?: boolean;
|
||||
};
|
||||
|
||||
const props = withDefaults(defineProps<{
|
||||
pagination: Paging;
|
||||
disableAutoLoad?: boolean;
|
||||
displayLimit?: number;
|
||||
}>(), {
|
||||
displayLimit: 30,
|
||||
});
|
||||
|
||||
const emit = defineEmits<{
|
||||
(ev: 'queue', count: number): void;
|
||||
}>();
|
||||
|
||||
type Item = { id: string; [another: string]: unknown; };
|
||||
|
||||
const rootEl = ref<HTMLElement>();
|
||||
const items = ref<Item[]>([]);
|
||||
const queue = ref<Item[]>([]);
|
||||
const offset = ref(0);
|
||||
const fetching = ref(true);
|
||||
const moreFetching = ref(false);
|
||||
const more = ref(false);
|
||||
const backed = ref(false); // 遡り中か否か
|
||||
const isBackTop = ref(false);
|
||||
const empty = computed(() => items.value.length === 0);
|
||||
const error = ref(false);
|
||||
|
||||
const init = async (): Promise<void> => {
|
||||
queue.value = [];
|
||||
fetching.value = true;
|
||||
const params = props.pagination.params ? isRef(props.pagination.params) ? props.pagination.params.value : props.pagination.params : {};
|
||||
await os.api(props.pagination.endpoint, {
|
||||
...params,
|
||||
limit: props.pagination.noPaging ? (props.pagination.limit || 10) : (props.pagination.limit || 10) + 1,
|
||||
}).then(res => {
|
||||
for (let i = 0; i < res.length; i++) {
|
||||
const item = res[i];
|
||||
if (props.pagination.reversed) {
|
||||
if (i === res.length - 2) item._shouldInsertAd_ = true;
|
||||
} else {
|
||||
if (i === 3) item._shouldInsertAd_ = true;
|
||||
}
|
||||
}
|
||||
if (!props.pagination.noPaging && (res.length > (props.pagination.limit || 10))) {
|
||||
res.pop();
|
||||
items.value = props.pagination.reversed ? [...res].reverse() : res;
|
||||
more.value = true;
|
||||
} else {
|
||||
items.value = props.pagination.reversed ? [...res].reverse() : res;
|
||||
more.value = false;
|
||||
}
|
||||
offset.value = res.length;
|
||||
error.value = false;
|
||||
fetching.value = false;
|
||||
}, err => {
|
||||
error.value = true;
|
||||
fetching.value = false;
|
||||
});
|
||||
};
|
||||
|
||||
const reload = (): void => {
|
||||
items.value = [];
|
||||
init();
|
||||
};
|
||||
|
||||
const fetchMore = async (): Promise<void> => {
|
||||
if (!more.value || fetching.value || moreFetching.value || items.value.length === 0) return;
|
||||
moreFetching.value = true;
|
||||
backed.value = true;
|
||||
const params = props.pagination.params ? isRef(props.pagination.params) ? props.pagination.params.value : props.pagination.params : {};
|
||||
await os.api(props.pagination.endpoint, {
|
||||
...params,
|
||||
limit: SECOND_FETCH_LIMIT + 1,
|
||||
...(props.pagination.offsetMode ? {
|
||||
offset: offset.value,
|
||||
} : props.pagination.reversed ? {
|
||||
sinceId: items.value[0].id,
|
||||
} : {
|
||||
untilId: items.value[items.value.length - 1].id,
|
||||
}),
|
||||
}).then(res => {
|
||||
for (let i = 0; i < res.length; i++) {
|
||||
const item = res[i];
|
||||
if (props.pagination.reversed) {
|
||||
if (i === res.length - 9) item._shouldInsertAd_ = true;
|
||||
} else {
|
||||
if (i === 10) item._shouldInsertAd_ = true;
|
||||
}
|
||||
}
|
||||
if (res.length > SECOND_FETCH_LIMIT) {
|
||||
res.pop();
|
||||
items.value = props.pagination.reversed ? [...res].reverse().concat(items.value) : items.value.concat(res);
|
||||
more.value = true;
|
||||
} else {
|
||||
items.value = props.pagination.reversed ? [...res].reverse().concat(items.value) : items.value.concat(res);
|
||||
more.value = false;
|
||||
}
|
||||
offset.value += res.length;
|
||||
moreFetching.value = false;
|
||||
}, err => {
|
||||
moreFetching.value = false;
|
||||
});
|
||||
};
|
||||
|
||||
const fetchMoreAhead = async (): Promise<void> => {
|
||||
if (!more.value || fetching.value || moreFetching.value || items.value.length === 0) return;
|
||||
moreFetching.value = true;
|
||||
const params = props.pagination.params ? isRef(props.pagination.params) ? props.pagination.params.value : props.pagination.params : {};
|
||||
await os.api(props.pagination.endpoint, {
|
||||
...params,
|
||||
limit: SECOND_FETCH_LIMIT + 1,
|
||||
...(props.pagination.offsetMode ? {
|
||||
offset: offset.value,
|
||||
} : props.pagination.reversed ? {
|
||||
untilId: items.value[0].id,
|
||||
} : {
|
||||
sinceId: items.value[items.value.length - 1].id,
|
||||
}),
|
||||
}).then(res => {
|
||||
if (res.length > SECOND_FETCH_LIMIT) {
|
||||
res.pop();
|
||||
items.value = props.pagination.reversed ? [...res].reverse().concat(items.value) : items.value.concat(res);
|
||||
more.value = true;
|
||||
} else {
|
||||
items.value = props.pagination.reversed ? [...res].reverse().concat(items.value) : items.value.concat(res);
|
||||
more.value = false;
|
||||
}
|
||||
offset.value += res.length;
|
||||
moreFetching.value = false;
|
||||
}, err => {
|
||||
moreFetching.value = false;
|
||||
});
|
||||
};
|
||||
|
||||
const prepend = (item: Item): void => {
|
||||
if (props.pagination.reversed) {
|
||||
if (rootEl.value) {
|
||||
const container = getScrollContainer(rootEl.value);
|
||||
if (container == null) {
|
||||
// TODO?
|
||||
} else {
|
||||
const pos = getScrollPosition(rootEl.value);
|
||||
const viewHeight = container.clientHeight;
|
||||
const height = container.scrollHeight;
|
||||
const isBottom = (pos + viewHeight > height - 32);
|
||||
if (isBottom) {
|
||||
// オーバーフローしたら古いアイテムは捨てる
|
||||
if (items.value.length >= props.displayLimit) {
|
||||
// このやり方だとVue 3.2以降アニメーションが動かなくなる
|
||||
//items.value = items.value.slice(-props.displayLimit);
|
||||
while (items.value.length >= props.displayLimit) {
|
||||
items.value.shift();
|
||||
}
|
||||
more.value = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
items.value.push(item);
|
||||
// TODO
|
||||
} else {
|
||||
// 初回表示時はunshiftだけでOK
|
||||
if (!rootEl.value) {
|
||||
items.value.unshift(item);
|
||||
return;
|
||||
}
|
||||
|
||||
const isTop = isBackTop.value || (document.body.contains(rootEl.value) && isTopVisible(rootEl.value));
|
||||
|
||||
if (isTop) {
|
||||
// Prepend the item
|
||||
items.value.unshift(item);
|
||||
|
||||
// オーバーフローしたら古いアイテムは捨てる
|
||||
if (items.value.length >= props.displayLimit) {
|
||||
// このやり方だとVue 3.2以降アニメーションが動かなくなる
|
||||
//this.items = items.value.slice(0, props.displayLimit);
|
||||
while (items.value.length >= props.displayLimit) {
|
||||
items.value.pop();
|
||||
}
|
||||
more.value = true;
|
||||
}
|
||||
} else {
|
||||
queue.value.push(item);
|
||||
onScrollTop(rootEl.value, () => {
|
||||
for (const item of queue.value) {
|
||||
prepend(item);
|
||||
}
|
||||
queue.value = [];
|
||||
});
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const append = (item: Item): void => {
|
||||
items.value.push(item);
|
||||
};
|
||||
|
||||
const removeItem = (finder: (item: Item) => boolean) => {
|
||||
const i = items.value.findIndex(finder);
|
||||
items.value.splice(i, 1);
|
||||
};
|
||||
|
||||
const updateItem = (id: Item['id'], replacer: (old: Item) => Item): void => {
|
||||
const i = items.value.findIndex(item => item.id === id);
|
||||
items.value[i] = replacer(items.value[i]);
|
||||
};
|
||||
|
||||
if (props.pagination.params && isRef(props.pagination.params)) {
|
||||
watch(props.pagination.params, init, { deep: true });
|
||||
}
|
||||
|
||||
watch(queue, (a, b) => {
|
||||
if (a.length === 0 && b.length === 0) return;
|
||||
emit('queue', queue.value.length);
|
||||
}, { deep: true });
|
||||
|
||||
init();
|
||||
|
||||
onActivated(() => {
|
||||
isBackTop.value = false;
|
||||
});
|
||||
|
||||
onDeactivated(() => {
|
||||
isBackTop.value = window.scrollY === 0;
|
||||
});
|
||||
|
||||
defineExpose({
|
||||
items,
|
||||
queue,
|
||||
backed,
|
||||
reload,
|
||||
prepend,
|
||||
append,
|
||||
removeItem,
|
||||
updateItem,
|
||||
});
|
||||
</script>
|
||||
|
||||
<style lang="scss" scoped>
|
||||
.fade-enter-active,
|
||||
.fade-leave-active {
|
||||
transition: opacity 0.125s ease;
|
||||
}
|
||||
.fade-enter-from,
|
||||
.fade-leave-to {
|
||||
opacity: 0;
|
||||
}
|
||||
|
||||
.cxiknjgy {
|
||||
> .button {
|
||||
margin-left: auto;
|
||||
margin-right: auto;
|
||||
}
|
||||
}
|
||||
</style>
|
||||
Reference in New Issue
Block a user