chore(Pagination): use tsx
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import { createNamespace } from '../utils';
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import { BORDER } from '../utils/constant';
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import { computed, watch } from 'vue';
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const [createComponent, bem, t] = createNamespace('pagination');
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type PageItem = {
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text: string | number;
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number: number;
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active?: boolean;
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};
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function makePage(
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number: number,
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text: string | number,
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active?: boolean
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): PageItem {
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return { number, text, active };
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}
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export default createComponent({
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props: {
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prevText: String,
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nextText: String,
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forceEllipses: Boolean,
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mode: {
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type: String,
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default: 'multi',
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},
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modelValue: {
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type: Number,
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default: 0,
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},
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pageCount: {
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type: [Number, String],
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default: 0,
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},
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totalItems: {
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type: [Number, String],
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default: 0,
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},
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itemsPerPage: {
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type: [Number, String],
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default: 10,
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},
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showPageSize: {
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type: [Number, String],
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default: 5,
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},
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},
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emits: ['change', 'update:modelValue'],
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setup(props, { emit, slots }) {
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const count = computed(() => {
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const { pageCount, totalItems, itemsPerPage } = props;
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const count = +pageCount || Math.ceil(+totalItems / +itemsPerPage);
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return Math.max(1, count);
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});
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const pages = computed(() => {
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const items: PageItem[] = [];
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const pageCount = count.value;
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const showPageSize = +props.showPageSize;
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const { modelValue, forceEllipses } = props;
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if (props.mode !== 'multi') {
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return items;
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}
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// Default page limits
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let startPage = 1;
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let endPage = pageCount;
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const isMaxSized = showPageSize < pageCount;
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// recompute if showPageSize
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if (isMaxSized) {
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// Current page is displayed in the middle of the visible ones
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startPage = Math.max(modelValue - Math.floor(showPageSize / 2), 1);
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endPage = startPage + showPageSize - 1;
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// Adjust if limit is exceeded
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if (endPage > pageCount) {
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endPage = pageCount;
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startPage = endPage - showPageSize + 1;
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}
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}
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// Add page number links
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for (let number = startPage; number <= endPage; number++) {
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const page = makePage(number, number, number === modelValue);
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items.push(page);
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}
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// Add links to move between page sets
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if (isMaxSized && showPageSize > 0 && forceEllipses) {
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if (startPage > 1) {
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const prevPages = makePage(startPage - 1, '...');
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items.unshift(prevPages);
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}
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if (endPage < pageCount) {
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const nextPages = makePage(endPage + 1, '...');
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items.push(nextPages);
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}
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}
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return items;
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});
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const select = (page: number, emitChange?: boolean) => {
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page = Math.min(count.value, Math.max(1, page));
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if (props.modelValue !== page) {
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emit('update:modelValue', page);
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if (emitChange) {
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emit('change', page);
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}
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}
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};
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watch(
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() => props.modelValue,
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(value) => {
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select(value);
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},
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{ immediate: true }
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);
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const renderDesc = () => {
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if (props.mode !== 'multi') {
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return (
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<li class={bem('page-desc')}>
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{slots.pageDesc
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? slots.pageDesc()
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: `${props.modelValue}/${count.value}`}
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</li>
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);
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}
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};
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return () => {
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const value = props.modelValue;
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const simple = props.mode !== 'multi';
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const onSelect = (value: number) => () => {
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select(value, true);
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};
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return (
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<ul class={bem({ simple })}>
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<li
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class={[
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bem('item', { disabled: value === 1 }),
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bem('prev'),
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BORDER,
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]}
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onClick={onSelect(value - 1)}
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>
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{slots['prev-text']
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? slots['prev-text']()
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: props.prevText || t('prev')}
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</li>
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{pages.value.map((page) => (
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<li
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class={[
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bem('item', { active: page.active }),
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bem('page'),
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BORDER,
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]}
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onClick={onSelect(page.number)}
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>
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{slots.page ? slots.page(page) : page.text}
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</li>
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))}
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{renderDesc()}
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<li
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class={[
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bem('item', { disabled: value === count.value }),
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bem('next'),
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BORDER,
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]}
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onClick={onSelect(value + 1)}
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>
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{slots['next-text']
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? slots['next-text']()
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: props.nextText || t('next')}
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</li>
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</ul>
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);
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};
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},
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});
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