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import { settings } from '@utils/config';
import Link from 'next/link';
import { useRouter } from 'next/router';
import { useIntl } from 'react-intl';
import styles from './Pagination.module.scss';
const Pagination = ({ baseUrl, total }: { baseUrl: string; total: number }) => {
const intl = useIntl();
const { asPath } = useRouter();
const totalPages = Math.floor(total / settings.postsPerPage);
const currentPage = asPath.includes('/page/')
? Number(asPath.split(`${baseUrl}/page/`)[1])
: 1;
const hasPreviousPage = currentPage !== 1;
const hasNextPage = currentPage !== totalPages;
const getPreviousPageItem = () => {
return (
<li className={styles.item}>
<Link href={`${baseUrl}/page/${currentPage - 1}`}>
<a className={styles.link}>
{intl.formatMessage(
{
defaultMessage: '{icon} Previous page',
description: 'Pagination: previous page link',
},
{ icon: '←' }
)}
</a>
</Link>
</li>
);
};
const getNextPageItem = () => {
return (
<li className={styles.item}>
<Link href={`${baseUrl}/page/${currentPage + 1}`}>
<a className={styles.link}>
{intl.formatMessage(
{
defaultMessage: 'Next page {icon}',
description: 'Pagination: Next page link',
},
{ icon: '→' }
)}
</a>
</Link>
</li>
);
};
const getPages = () => {
const pages = [];
for (let i = 1; i <= totalPages; i++) {
if (i === currentPage) {
pages.push({
id: `page-${i}`,
link: (
<span className={`${styles.link} ${styles['link--current']}`}>
{intl.formatMessage(
{
defaultMessage: '<a11y>Page </a11y>{number}',
description: 'Pagination: page number',
},
{
number: i,
a11y: (chunks: string) => (
<span className="screen-reader-text">{chunks}</span>
),
}
)}
</span>
),
});
} else {
pages.push({
id: `page-${i}`,
link: (
<Link href={`${baseUrl}/page/${i}`}>
<a className={styles.link}>
{intl.formatMessage(
{
defaultMessage: '<a11y>Page </a11y>{number}',
description: 'Pagination: page number',
},
{
number: i,
a11y: (chunks: string) => (
<span className="screen-reader-text">{chunks}</span>
),
}
)}
</a>
</Link>
),
});
}
}
return pages;
};
const getItems = () => {
const pages = getPages();
return pages.map((page) => (
<li key={page.id} className={styles.item}>
{page.link}
</li>
));
};
return (
<nav className={styles.wrapper} aria-labelledby="pagination-title">
<h2 id="pagination-title" className="screen-reader-text">
{intl.formatMessage({
defaultMessage: 'Pagination',
description: 'Pagination: pagination title',
})}
</h2>
<ul className={styles.list}>
{hasPreviousPage && getPreviousPageItem()}
{getItems()}
{hasNextPage && getNextPageItem()}
</ul>
</nav>
);
};
export default Pagination;
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