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feat: add next & prev pages functionality #340

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merged 1 commit into from
Jul 13, 2024
Merged

feat: add next & prev pages functionality #340

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37 changes: 36 additions & 1 deletion pages/blog/[slug].tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ import { MDXRemote, MDXRemoteSerializeResult } from 'next-mdx-remote';
import { GetStaticPathsResult, GetStaticPropsContext, GetStaticPropsResult } from 'next';
import { ParsedUrlQuery } from 'querystring';

import { getPostBySlug, getPostSlugs } from '@/lib/posts/api';
import { getPostBySlug, getPosts, getPostSlugs } from '@/lib/posts/api';
import { compileMDX } from '@/lib/scripts/compiler';
import { Post } from '@/lib/types';

Expand All @@ -14,9 +14,12 @@ import { ViewCounter } from '@/components/view-counter/view-counter';
import {
FacebookShare, LinkedInShare, TelegramShare, TwitterShare,
} from '@/components/share-button';
import { sortByBirthtime } from '@/lib/posts/utils';

type ArticlePageProps = Pick<Post, 'data'> & {
content: MDXRemoteSerializeResult;
prevPostSlug: string,
nextPostSlug: string,
};

function ArticlePage(props: ArticlePageProps) {
Expand All @@ -33,6 +36,8 @@ function ArticlePage(props: ArticlePageProps) {
categories = [],
keywords,
},
nextPostSlug,
prevPostSlug,
} = props;

const formattedDate = new Date(createDate).toLocaleDateString('en-us', {
Expand Down Expand Up @@ -158,6 +163,30 @@ function ArticlePage(props: ArticlePageProps) {
<MDXRemote {...content} components={MDXComponents} />
</div>

<ul className={`${!prevPostSlug ? 'justify-end' : 'justify-between'} mt-16 flex`}>
{prevPostSlug && (
<li>
<Link
className="text-black dark:text-gray-200 inline-block p-3 rounded-lg bg-gray-200 dark:bg-gray-800 transition-all"
href={`/blog/${prevPostSlug}`}
>
👈 Previous article
</Link>
</li>
)}

{nextPostSlug && (
<li>
<Link
className="text-black dark:text-gray-200 inline-block p-3 rounded-lg bg-gray-200 dark:bg-gray-800"
href={`/blog/${nextPostSlug}`}
>
Next article 👉
</Link>
</li>
)}
</ul>

<div className="flex lg:hidden text-gray-600 dark:text-gray-400 items-center mt-16">
<p>Share it:</p>
<ul className="flex gap-2">
Expand Down Expand Up @@ -192,11 +221,17 @@ export async function getStaticProps({
> {
const { data, content } = await getPostBySlug(params?.slug);
const html = await compileMDX(content);
const posts = await getPosts();
const currentPostIndex = posts.sort(sortByBirthtime).findIndex((post) => post.data.slug === data.slug);
const prevPost = posts[currentPostIndex + 1] || null;
const nextPost = posts[currentPostIndex - 1] || null;

return {
props: {
data,
content: html,
prevPostSlug: prevPost?.data.slug || '',
nextPostSlug: nextPost?.data.slug || '',
},
};
}
Expand Down
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