feat: Adds the ability to view the changelog and displays the latest …

…version number.

- Adds a new Footer component.
- Adds a new Changelog component that displays the changelog.

components/common/Footer.tsx

@@ -0,0 +1,32 @@
+import { useState } from 'react';
+import { CSSTransition } from 'react-transition-group';
+import { useFetchChangelog } from '../../services/misc';
+import ChangeLog from '../settings/Changelog';
+
+interface FooterProps {
+   currentVersion: string
+}
+
+const Footer = ({ currentVersion = '' }: FooterProps) => {
+   const [showChangelog, setShowChangelog] = useState(false);
+   const { data: changeLogs } = useFetchChangelog();
+   const latestVersionNum = changeLogs && Array.isArray(changeLogs) && changeLogs[0] ? changeLogs[0].name : '';
+
+   return (
+      <footer className='text-center flex flex-1 justify-center pb-5 items-end'>
+         <span className='text-gray-500 text-xs'>
+            <a className='cursor-pointer' onClick={() => setShowChangelog(true)}>SerpBear v{currentVersion || '0.0.0'}</a>
+            {currentVersion && latestVersionNum && `v${currentVersion}` !== latestVersionNum && (
+               <a className='cursor-pointer text-indigo-700 font-semibold' onClick={() => setShowChangelog(true)}>
+                  {' '}| Update to Version {latestVersionNum} (latest)
+               </a>
+            )}
+         </span>
+         <CSSTransition in={showChangelog} timeout={300} classNames="settings_anim" unmountOnExit mountOnEnter>
+             <ChangeLog closeChangeLog={() => setShowChangelog(false)} />
+         </CSSTransition>
+      </footer>
+   );
+};
+
+export default Footer;

components/common/SidePanel.tsx

@@ -0,0 +1,37 @@
+import React, { useEffect, useState } from 'react';
+import Icon from './Icon';
+import useOnKey from '../../hooks/useOnKey';
+
+type SidePanelProps = {
+   children: React.ReactNode,
+   closePanel: Function,
+   title?: string,
+   width?: 'large' | 'medium' | 'small',
+   position?: 'left' | 'right'
+}
+const SidePanel = ({ children, closePanel, width, position = 'right', title = '' }:SidePanelProps) => {
+   useOnKey('Escape', closePanel);
+   const closeOnBGClick = (e:React.SyntheticEvent) => {
+      e.stopPropagation();
+      e.nativeEvent.stopImmediatePropagation();
+      if (e.target === e.currentTarget) { closePanel(); }
+   };
+   return (
+       <div className="SidePanel fixed w-full h-screen top-0 left-0 z-50" onClick={closeOnBGClick}>
+         <div className={`absolute w-full max-w-md  border-l border-l-gray-400 bg-white customShadow top-0 
+         ${position === 'left' ? 'left-0' : 'right-0'} h-screen`}>
+            <div className='SidePanel__header px-5 py-4 text-slate-500 border-b border-b-gray-100'>
+               <h3 className=' text-black text-lg font-bold'>{title}</h3>
+               <button
+               className=' absolute top-2 right-2 p-2 px- text-gray-400 hover:text-gray-700 transition-all hover:rotate-90'
+               onClick={() => closePanel()}>
+                  <Icon type='close' size={24} />
+               </button>
+            </div>
+            <div>{children}</div>
+         </div>
+       </div>
+   );
+};
+
+export default SidePanel;

components/settings/Changelog.tsx

@@ -0,0 +1,80 @@
+import React, { useLayoutEffect, useMemo } from 'react';
+import TimeAgo from 'react-timeago';
+import dayjs from 'dayjs';
+import SidePanel from '../common/SidePanel';
+import { useFetchChangelog } from '../../services/misc';
+import Icon from '../common/Icon';
+
+const Markdown = React.lazy(() => import('react-markdown'));
+
+type ChangeLogProps = {
+   closeChangeLog: Function,
+}
+
+const ChangeLogloader = () => {
+   return (
+      <div className='w-full h-full absolute flex justify-center items-center'>
+         <Icon type="loading" size={36} color='#999' />
+      </div>
+   );
+};
+
+const ChangeLog = ({ closeChangeLog }: ChangeLogProps) => {
+   const { data: changeLogData, isLoading } = useFetchChangelog();
+
+   useLayoutEffect(() => {
+      document.body.style.overflow = 'hidden';
+      // eslint-disable-next-line no-unused-expressions
+      () => {
+         console.log('run CleanUp !');
+         document.body.style.overflow = 'auto';
+       };
+   }, []);
+
+   const onClose = () => {
+      document.body.style.overflow = 'auto';
+      closeChangeLog();
+   };
+
+   const changeLogs = useMemo(() => {
+      if (changeLogData && Array.isArray(changeLogData)) {
+         return changeLogData.map(({ name = '', body, published_at }:{name: string, body: string, published_at: string}) => ({
+            version: name,
+            major: !!(name.match(/v\d+\.0+\.0/)),
+            date: published_at,
+            content: body.replaceAll(/^(##|###) \[([^\]]+)\]\(([^)]+)\) \(([^)]+)\)/g, '')
+            .replaceAll(/\(\[(.*?)\]\((https:\/\/github\.com\/towfiqi\/serpbear\/commit\/([a-f0-9]{40}))\)\)/g, ''),
+         }));
+      }
+      return [];
+   }, [changeLogData]);
+
+   return <SidePanel title='SerpBear Changelog' closePanel={onClose}>
+            <React.Suspense fallback={<ChangeLogloader />}>
+               {!isLoading && changeLogs.length > 0 && (
+                  <div className='changelog-body bg-[#f8f9ff] px-6 pt-4 pb-10 overflow-y-auto styled-scrollbar'>
+                     {changeLogs.map(({ version, content, date, major }) => {
+                        return (
+                           <div
+                           key={version}
+                           className={`domKeywords bg-white rounded mb-6 border ${major ? ' border-indigo-400' : 'border-transparent'}`}>
+                              <h4 className=' px-5 py-3 border-b border-b-gray-100 flex justify-between text-indigo-700 font-semibold'>
+                                 <a href={`https://github.com/towfiqi/serpbear/releases/tag/${version}`}>
+                                    {version} {major && <span className=' text-xs bg-amber-100 text-amber-700 px-2 py-1 rounded ml-2'>Major</span>}
+                                 </a>
+                                 <span className=' text-sm text-gray-500'>
+                                    <TimeAgo title={dayjs(date).format('DD-MMM-YYYY, hh:mm:ss A')} date={date} />
+                                 </span>
+                              </h4>
+                              <div className='changelog-content px-5 py-3 text-sm text-left'><Markdown>{content}</Markdown></div>
+                           </div>
+                        );
+                     })}
+                  </div>
+               )}
+               {isLoading && <ChangeLogloader />}
+            </React.Suspense>
+         </SidePanel>;
+};
+
+export default ChangeLog;