185 lines
3.5 KiB
Vue
185 lines
3.5 KiB
Vue
<template>
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<div class="mk-notes">
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<transition-group name="mk-notes" class="transition">
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<template v-for="(note, i) in _notes">
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<x-note :note="note" :key="note.id" @update:note="onNoteUpdated(i, $event)"/>
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<p class="date" :key="note.id + '_date'" v-if="i != notes.length - 1 && note._date != _notes[i + 1]._date">
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<span>%fa:angle-up%{{ note._datetext }}</span>
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<span>%fa:angle-down%{{ _notes[i + 1]._datetext }}</span>
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</p>
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</template>
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</transition-group>
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<footer v-if="loadMore">
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<button @click="loadMore" :disabled="moreFetching" :style="{ cursor: moreFetching ? 'wait' : 'pointer' }">
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<template v-if="!moreFetching">%i18n:@load-more%</template>
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<template v-if="moreFetching">%fa:spinner .pulse .fw%</template>
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</button>
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</footer>
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</div>
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</template>
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<script lang="ts">
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import Vue from 'vue';
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import XNote from './notes.note.vue';
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const displayLimit = 30;
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export default Vue.extend({
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components: {
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XNote
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},
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props: {
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more: {
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type: Function,
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required: false
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}
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},
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data() {
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return {
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notes: [],
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queue: [],
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fetching: false,
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moreFetching: false
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};
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},
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computed: {
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_notes(): any[] {
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return (this.notes as any).map(note => {
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const date = new Date(note.createdAt).getDate();
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const month = new Date(note.createdAt).getMonth() + 1;
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note._date = date;
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note._datetext = `${month}月 ${date}日`;
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return note;
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});
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}
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},
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mounted() {
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window.addEventListener('scroll', this.onScroll);
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},
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beforeDestroy() {
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window.removeEventListener('scroll', this.onScroll);
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},
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methods: {
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isScrollTop() {
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return window.scrollY <= 8;
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},
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focus() {
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(this.$el as any).children[0].focus();
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},
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onNoteUpdated(i, note) {
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Vue.set((this as any).notes, i, note);
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},
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init(notes) {
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this.queue = [];
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this.notes = notes;
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},
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prepend(note) {
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if (this.isScrollTop()) {
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this.notes.unshift(note);
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// オーバーフローしたら古い投稿は捨てる
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if (this.notes.length >= displayLimit) {
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this.notes = this.notes.slice(0, displayLimit);
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}
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} else {
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this.queue.unshift(note);
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}
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},
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append(note) {
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this.notes.push(note);
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},
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tail() {
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return this.notes[this.notes.length - 1];
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},
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releaseQueue() {
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this.queue.forEach(n => this.prepend(n));
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this.queue = [];
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},
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async loadMore() {
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this.moreFetching = true;
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await this.more();
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this.moreFetching = false;
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},
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onScroll() {
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if (this.isScrollTop()) {
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this.releaseQueue();
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}
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if ((this as any).os.i.clientSettings.fetchOnScroll !== false) {
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const current = window.scrollY + window.innerHeight;
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if (current > document.body.offsetHeight - 8) this.loadMore();
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}
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}
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}
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});
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</script>
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<style lang="stylus" scoped>
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root(isDark)
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.transition
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.mk-notes-enter
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.mk-notes-leave-to
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opacity 0
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transform translateY(-30px)
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> *
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transition transform .3s ease, opacity .3s ease
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> .date
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display block
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margin 0
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line-height 32px
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font-size 14px
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text-align center
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color isDark ? #666b79 : #aaa
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background isDark ? #242731 : #fdfdfd
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border-bottom solid 1px isDark ? #1c2023 : #eaeaea
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span
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margin 0 16px
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[data-fa]
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margin-right 8px
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> footer
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> *
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display block
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margin 0
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padding 16px
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width 100%
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text-align center
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color #ccc
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border-top solid 1px #eaeaea
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border-bottom-left-radius 4px
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border-bottom-right-radius 4px
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> button
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&:hover
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background #f5f5f5
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&:active
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background #eee
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.mk-notes[data-darkmode]
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root(true)
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.mk-notes:not([data-darkmode])
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root(false)
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</style>
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