✨ Pagination for gists

components/RUA/Button.tsx

@@ -0,0 +1,33 @@
+import classNames from 'classnames';
+
+export type ButtonProps = {
+  children: React.ReactNode;
+  disabled?: boolean;
+};
+
+const Button = ({ children, disabled }: ButtonProps) => {
+  return (
+    <>
+      <button
+        className={classNames(
+          'bg-white border border-transparent hover:border-gray-200',
+          'outline-none hover:bg-gray-50 focus:ring-4 dark:border-transparent',
+          'focus:ring-cyan-200 font-medium rounded-lg text-sm',
+          'px-5 py-2.5 mr-2 mb-2 dark:bg-gray-800 dark:text-white ',
+          'dark:hover:bg-gray-700 dark:hover:border-gray-600 dark:ring-cyan-800',
+          'transition-all disabled:hover:bg-gray-200',
+          'disabled:cursor-not-allowed disabled:dark:hover:bg-gray-700',
+          'disabled:hover:border-transparent',
+          'text-lg disabled:bg-gray-200 disabled:text-gray-500',
+          'dark:disabled:bg-gray-700 dark:disabled:text-gray-300',
+          'disabled:dark:hover:border-transparent'
+        )}
+        disabled={disabled}
+      >
+        {children}
+      </button>
+    </>
+  );
+};
+
+export default Button;

components/gists/FileContent.tsx

@@ -16,7 +16,7 @@ type Props = {
 const FileContent = ({ gists }: Props) => {
   return (
     <>
-      <div className="flex-1 py-4 overflow-hidden md:pl-8">
+      <div className="overflow-hidden">
         {gists.map((g) => (
           <div key={g.id}>
             {Object.keys(g.files).map((f) => (

components/gists/GistsCode.tsx

@@ -7,7 +7,7 @@ import remarkParse from 'remark-parse';
 import remarkRehype from 'remark-rehype';
 import { GistsFile } from 'types';
 import { unified } from 'unified';
-import styles from './styles.module.css';
+import styles from './GistsCode.module.css';
 
 interface Props {
   file: GistsFile;

components/gists/Pagination.tsx

@@ -0,0 +1,48 @@
+import { pageSize } from 'lib/fetcher';
+import dynamic from 'next/dynamic';
+import Link from 'next/link';
+
+const Button = dynamic(() => import('components/RUA/Button'));
+
+type Props = {
+  pageSize: pageSize;
+};
+
+const Pagination = ({ pageSize }: Props) => {
+  const prev = Number(pageSize.prev);
+  const next = Number(pageSize.next);
+
+  return (
+    <>
+      <nav>
+        <ul className="flex justify-between -space-x-px">
+          <li>
+            {!!prev ? (
+              <Link href={prev === 1 ? `/gists/` : `/gists/${prev}`} passHref>
+                <a>
+                  <Button>Prev</Button>
+                </a>
+              </Link>
+            ) : (
+              <Button disabled>Prev</Button>
+            )}
+          </li>
+
+          <li>
+            {!!next ? (
+              <Link href={`/gists/${next}`} passHref>
+                <a>
+                  <Button>Next</Button>
+                </a>
+              </Link>
+            ) : (
+              <Button disabled>Next</Button>
+            )}
+          </li>
+        </ul>
+      </nav>
+    </>
+  );
+};
+
+export default Pagination;

lib/fetcher.ts

@@ -7,7 +7,7 @@ const octokit = new Octokit({
 });
 
 const linkMatch = /<(.*?)>/;
-// const relMatch = /"(.*?)"/;
+const relMatch = /"(.*?)"/;
 
 export type GistData = {
   id: string;
@@ -17,10 +17,11 @@ export type GistData = {
   description: string | null;
 };
 export type GetGists = {
-  next: string | null;
-  total: string | null;
+  pageSize: pageSize;
   gists: GistData[];
 };
+export type pageSize = { [key in PageKeys]: string | null };
+export type PageKeys = 'prev' | 'next' | 'last' | 'first';
 
 /**
  * Get all gists.
@@ -31,15 +32,30 @@ export const getGists = async (page = 1, perPage = 10) => {
     page,
     per_page: perPage,
   });
+  /**
+   *
+   * <https://api.github.com/gists?page=1&per_page=1>; rel="prev",
+   * <https://api.github.com/gists?page=3&per_page=1>; rel="next",
+   * <https://api.github.com/gists?page=40&per_page=1>; rel="last",
+   * <https://api.github.com/gists?page=1&per_page=1>; rel="first"
+   */
   const link = result.headers.link?.split(',');
 
   if (!link) return null;
-  const next = new URLSearchParams(
-    link[0].match(linkMatch)?.[1].split('?')[1]
-  ).get('page');
-  const total = new URLSearchParams(
-    link[1].match(linkMatch)?.[1].split('?')[1]
+
+  const pageSize: pageSize = {
+    prev: null,
+    next: null,
+    last: null,
+    first: null,
+  };
+  link.map((l) => {
+    const text = l.match(relMatch)?.[1] as PageKeys;
+    if (!text) return;
+    pageSize[text] = new URLSearchParams(
+      l.match(linkMatch)?.[1].split('?')[1]
     ).get('page');
+  });
 
   const data: GistData[] = result.data.map((item) => ({
     id: item.id,
@@ -62,8 +78,7 @@ export const getGists = async (page = 1, perPage = 10) => {
   );
 
   return {
-    next,
-    total,
+    pageSize,
     gists: data,
   };
 };
@@ -77,15 +92,47 @@ export const getUser = async () => {
   return (await octokit.rest.users.getAuthenticated()).data;
 };
 
+export type GetSignalGist = Awaited<ReturnType<typeof getSignalGist>>;
+export type SingalGist = {
+  login: string | undefined;
+  files: { [key: string]: GistsFile };
+  updated_at: string | undefined;
+  description: string | undefined | null;
+};
 /**
  * Get one gist.
  * @param id
  * @returns
  */
 export const getSignalGist = async (id: string) => {
-  return (
+  const result = (
     await octokit.rest.gists.get({
       gist_id: id,
     })
   ).data;
+
+  if (result.files == null) return;
+
+  const data: SingalGist = {
+    login: result.owner?.login,
+    updated_at: result.updated_at,
+    description: result.description,
+    files: result.files as SingalGist['files'],
+  };
+
+  await Promise.all(
+    Object.keys(data.files).map(async (f) => {
+      const url = data.files?.[f]?.raw_url;
+      if (!url) return;
+      let target = data.files[f];
+      if (!target?.content)
+        target = {
+          ...target,
+          content: '',
+        };
+      target.content = await fetch(url).then((res) => res.text());
+    })
+  );
+
+  return data;
 };

pages/g/[id].tsx

@@ -1,14 +1,13 @@
 import Anchor from 'components/mdx/Anchor';
 import dayjs from 'dayjs';
 import relativeTime from 'dayjs/plugin/relativeTime';
-import { getSignalGist } from 'lib/fetcher';
+import { getSignalGist, SingalGist } from 'lib/fetcher';
 import { GetStaticPaths, GetStaticProps, InferGetStaticPropsType } from 'next';
 import dynamic from 'next/dynamic';
 import Image from 'next/image';
 import Link from 'next/link';
 import avatar from 'public/images/img/avatar.svg';
 import { ReactElement } from 'react';
-import { SignalGist } from 'types';
 
 const MainLayout = dynamic(() => import('layouts/MainLayout'));
 const GistsCode = dynamic(() => import('components/gists/GistsCode'));
@@ -31,7 +30,7 @@ const Gist = ({ gist }: InferGetStaticPropsType<typeof getStaticProps>) => {
             />
             <h1 className="ml-2 overflow-hidden text-xl whitespace-nowrap overflow-ellipsis">
               <Link href="/gists" passHref>
-                <Anchor external={false}>{gist.owner.login}</Anchor>
+                <Anchor external={false}>{gist.login}</Anchor>
               </Link>
               /{Object.keys(gist.files)[0]}
             </h1>
@@ -67,23 +66,18 @@ export const getStaticPaths: GetStaticPaths = async () => {
 
 export const getStaticProps: GetStaticProps<{
   id: string | undefined;
-  gist: SignalGist;
+  gist: SingalGist;
 }> = async ({ params }) => {
-  if (typeof params?.id !== 'string') {
+  if (typeof params?.id !== 'string')
     return {
       notFound: true,
     };
-  }
 
-  const gist = await getSignalGist(params?.id);
-
-  await Promise.all(
-    Object.keys(gist.files).map(async (f) => {
-      gist.files[f].content = await fetch(gist.files[f].raw_url).then((res) =>
-        res.text()
-      );
-    })
-  );
+  const gist = await getSignalGist(params.id);
+  if (!gist || !gist.files)
+    return {
+      notFound: true,
+    };
 
   return {
     props: {

pages/gists/[p].tsx

@@ -9,6 +9,7 @@ import { ReactElement } from 'react';
 const MainLayout = dynamic(() => import('layouts/MainLayout'));
 const UserInfo = dynamic(() => import('components/gists/UserInfo'));
 const FileContent = dynamic(() => import('components/gists/FileContent'));
+const Pagination = dynamic(() => import('components/gists/Pagination'));
 
 dayjs.extend(relativeTime);
 
@@ -21,7 +22,11 @@ const Gists = ({
       <main className="max-w-5xl px-4 mx-auto lg:px-0">
         <div className="md:flex">
           <UserInfo user={user} />
+
+          <div className="flex-1 py-4 overflow-hidden md:pl-8">
             <FileContent gists={gists.gists} />
+            <Pagination pageSize={gists.pageSize} />
+          </div>
         </div>
       </main>
     </>
@@ -30,8 +35,8 @@ const Gists = ({
 
 export const getStaticPaths: GetStaticPaths = async () => {
   const result = await getGists();
-  const next = Number(result?.next);
-  const total = Number(result?.total);
+  const next = Number(result?.pageSize.next);
+  const last = Number(result?.pageSize.last);
   const paths: (
     | string
     | {
@@ -39,7 +44,7 @@ export const getStaticPaths: GetStaticPaths = async () => {
         locale?: string | undefined;
       }
   )[] = [];
-  for (let i = next; i <= total; i++) {
+  for (let i = next; i <= last; i++) {
     paths.push({
       params: {
         p: i.toString(),

pages/gists/index.tsx

@@ -8,6 +8,7 @@ import { ReactElement } from 'react';
 const MainLayout = dynamic(() => import('layouts/MainLayout'));
 const UserInfo = dynamic(() => import('components/gists/UserInfo'));
 const FileContent = dynamic(() => import('components/gists/FileContent'));
+const Pagination = dynamic(() => import('components/gists/Pagination'));
 
 dayjs.extend(relativeTime);
 
@@ -20,7 +21,11 @@ const Gists = ({
       <main className="max-w-5xl px-4 mx-auto lg:px-0">
         <div className="md:flex">
           <UserInfo user={user} />
+
+          <div className="flex-1 py-4 overflow-hidden md:pl-8">
             <FileContent gists={gists.gists} />
+            <Pagination pageSize={gists.pageSize} />
+          </div>
         </div>
       </main>
     </>