diff options
Diffstat (limited to 'src/client/scripts/paging.ts')
| -rw-r--r-- | src/client/scripts/paging.ts | 74 |
1 files changed, 35 insertions, 39 deletions
diff --git a/src/client/scripts/paging.ts b/src/client/scripts/paging.ts index 538615afa1..3d9668f108 100644 --- a/src/client/scripts/paging.ts +++ b/src/client/scripts/paging.ts @@ -1,8 +1,12 @@ +import { markRaw } from 'vue'; +import * as os from '@/os'; import { onScrollTop, isTopVisible } from './scroll'; const SECOND_FETCH_LIMIT = 30; export default (opts) => ({ + emits: ['queue'], + data() { return { items: [], @@ -14,13 +18,6 @@ export default (opts) => ({ more: false, backed: false, // 遡り中か否か isBackTop: false, - ilObserver: new IntersectionObserver( - (entries) => entries.some((entry) => entry.isIntersecting) - && !this.moreFetching - && !this.fetching - && this.fetchMore() - ), - loadMoreElement: null as Element, }; }, @@ -35,41 +32,33 @@ export default (opts) => ({ }, watch: { - pagination() { - this.init(); + pagination: { + handler() { + this.init(); + }, + deep: true }, - queue() { - this.$emit('queue', this.queue.length); + queue: { + handler(a, b) { + if (a.length === 0 && b.length === 0) return; + this.$emit('queue', this.queue.length); + }, + deep: true } }, created() { opts.displayLimit = opts.displayLimit || 30; this.init(); - - this.$on('hook:activated', () => { - this.isBackTop = false; - }); - - this.$on('hook:deactivated', () => { - this.isBackTop = window.scrollY === 0; - }); }, - mounted() { - this.$nextTick(() => { - if (this.$refs.loadMore) { - this.loadMoreElement = this.$refs.loadMore instanceof Element ? this.$refs.loadMore : this.$refs.loadMore.$el; - if (this.$store.state.device.enableInfiniteScroll) this.ilObserver.observe(this.loadMoreElement); - this.loadMoreElement.addEventListener('click', this.fetchMore); - } - }); + activated() { + this.isBackTop = false; }, - beforeDestroy() { - this.ilObserver.disconnect(); - if (this.$refs.loadMore) this.loadMoreElement.removeEventListener('click', this.fetchMore); + deactivated() { + this.isBackTop = window.scrollY === 0; }, methods: { @@ -78,19 +67,30 @@ export default (opts) => ({ this.init(); }, + replaceItem(finder, data) { + const i = this.items.findIndex(finder); + this.items[i] = data; + }, + + removeItem(finder) { + const i = this.items.findIndex(finder); + this.items.splice(i, 1); + }, + async init() { this.queue = []; this.fetching = true; if (opts.before) opts.before(this); let params = typeof this.pagination.params === 'function' ? this.pagination.params(true) : this.pagination.params; if (params && params.then) params = await params; + if (params === null) return; const endpoint = typeof this.pagination.endpoint === 'function' ? this.pagination.endpoint() : this.pagination.endpoint; - await this.$root.api(endpoint, { + await os.api(endpoint, { ...params, limit: this.pagination.noPaging ? (this.pagination.limit || 10) : (this.pagination.limit || 10) + 1, }).then(items => { for (const item of items) { - Object.freeze(item); + markRaw(item); } if (!this.pagination.noPaging && (items.length > (this.pagination.limit || 10))) { items.pop(); @@ -111,13 +111,13 @@ export default (opts) => ({ }, async fetchMore() { - if (!this.more || this.moreFetching || this.items.length === 0) return; + if (!this.more || this.fetching || this.moreFetching || this.items.length === 0) return; this.moreFetching = true; this.backed = true; let params = typeof this.pagination.params === 'function' ? this.pagination.params(false) : this.pagination.params; if (params && params.then) params = await params; const endpoint = typeof this.pagination.endpoint === 'function' ? this.pagination.endpoint() : this.pagination.endpoint; - await this.$root.api(endpoint, { + await os.api(endpoint, { ...params, limit: SECOND_FETCH_LIMIT + 1, ...(this.pagination.offsetMode ? { @@ -129,7 +129,7 @@ export default (opts) => ({ }), }).then(items => { for (const item of items) { - Object.freeze(item); + markRaw(item); } if (items.length > SECOND_FETCH_LIMIT) { items.pop(); @@ -172,9 +172,5 @@ export default (opts) => ({ append(item) { this.items.push(item); }, - - remove(find) { - this.items = this.items.filter(x => !find(x)); - }, } }); |