115 lines
3.8 KiB
Plaintext
115 lines
3.8 KiB
Plaintext
'use client';
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import _extends from "@babel/runtime/helpers/esm/extends";
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import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
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const _excluded = ["boundaryCount", "componentName", "count", "defaultPage", "disabled", "hideNextButton", "hidePrevButton", "onChange", "page", "showFirstButton", "showLastButton", "siblingCount"];
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import useControlled from '@mui/utils/useControlled';
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export default function usePagination(props = {}) {
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// keep default values in sync with @default tags in Pagination.propTypes
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const {
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boundaryCount = 1,
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componentName = 'usePagination',
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count = 1,
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defaultPage = 1,
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disabled = false,
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hideNextButton = false,
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hidePrevButton = false,
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onChange: handleChange,
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page: pageProp,
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showFirstButton = false,
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showLastButton = false,
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siblingCount = 1
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} = props,
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other = _objectWithoutPropertiesLoose(props, _excluded);
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const [page, setPageState] = useControlled({
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controlled: pageProp,
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default: defaultPage,
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name: componentName,
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state: 'page'
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});
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const handleClick = (event, value) => {
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if (!pageProp) {
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setPageState(value);
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}
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if (handleChange) {
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handleChange(event, value);
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}
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};
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// https://dev.to/namirsab/comment/2050
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const range = (start, end) => {
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const length = end - start + 1;
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return Array.from({
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length
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}, (_, i) => start + i);
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};
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const startPages = range(1, Math.min(boundaryCount, count));
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const endPages = range(Math.max(count - boundaryCount + 1, boundaryCount + 1), count);
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const siblingsStart = Math.max(Math.min(
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// Natural start
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page - siblingCount,
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// Lower boundary when page is high
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count - boundaryCount - siblingCount * 2 - 1),
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// Greater than startPages
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boundaryCount + 2);
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const siblingsEnd = Math.min(Math.max(
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// Natural end
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page + siblingCount,
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// Upper boundary when page is low
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boundaryCount + siblingCount * 2 + 2),
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// Less than endPages
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endPages.length > 0 ? endPages[0] - 2 : count - 1);
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// Basic list of items to render
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// e.g. itemList = ['first', 'previous', 1, 'ellipsis', 4, 5, 6, 'ellipsis', 10, 'next', 'last']
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const itemList = [...(showFirstButton ? ['first'] : []), ...(hidePrevButton ? [] : ['previous']), ...startPages,
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// Start ellipsis
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// eslint-disable-next-line no-nested-ternary
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...(siblingsStart > boundaryCount + 2 ? ['start-ellipsis'] : boundaryCount + 1 < count - boundaryCount ? [boundaryCount + 1] : []),
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// Sibling pages
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...range(siblingsStart, siblingsEnd),
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// End ellipsis
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// eslint-disable-next-line no-nested-ternary
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...(siblingsEnd < count - boundaryCount - 1 ? ['end-ellipsis'] : count - boundaryCount > boundaryCount ? [count - boundaryCount] : []), ...endPages, ...(hideNextButton ? [] : ['next']), ...(showLastButton ? ['last'] : [])];
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// Map the button type to its page number
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const buttonPage = type => {
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switch (type) {
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case 'first':
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return 1;
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case 'previous':
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return page - 1;
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case 'next':
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return page + 1;
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case 'last':
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return count;
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default:
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return null;
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}
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};
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// Convert the basic item list to PaginationItem props objects
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const items = itemList.map(item => {
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return typeof item === 'number' ? {
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onClick: event => {
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handleClick(event, item);
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},
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type: 'page',
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page: item,
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selected: item === page,
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disabled,
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'aria-current': item === page ? 'true' : undefined
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} : {
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onClick: event => {
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handleClick(event, buttonPage(item));
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},
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type: item,
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page: buttonPage(item),
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selected: false,
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disabled: disabled || item.indexOf('ellipsis') === -1 && (item === 'next' || item === 'last' ? page >= count : page <= 1)
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};
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});
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return _extends({
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items
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}, other);
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} |