markdown and textarea input

frontend/package.json

@@ -13,15 +13,21 @@
     "@fluentui/react-icons": "^2.0.201",
     "@microsoft/fetch-event-source": "^2.0.1",
     "classnames": "^2.3.2",
+    "github-markdown-css": "^5.2.0",
     "i18next": "^22.4.15",
     "mobx": "^6.9.0",
     "mobx-react-lite": "^3.4.3",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-i18next": "^12.2.2",
+    "react-markdown": "^8.0.7",
     "react-router": "^6.11.1",
     "react-router-dom": "^6.11.1",
     "react-toastify": "^9.1.3",
+    "rehype-highlight": "^6.0.0",
+    "rehype-raw": "^6.1.1",
+    "remark-breaks": "^3.0.3",
+    "remark-gfm": "^3.0.1",
     "usehooks-ts": "^2.9.1",
     "uuid": "^9.0.0"
   },
@@ -33,6 +39,7 @@
     "autoprefixer": "^10.4.14",
     "postcss": "^8.4.23",
     "rollup-plugin-visualizer": "^5.9.0",
+    "sass": "^1.62.1",
     "tailwindcss": "^3.3.2",
     "typescript": "^5.0.4",
     "vite": "^4.3.6"

frontend/src/App.tsx

@@ -47,7 +47,9 @@ const App: FC = observer(() => {
   useEffect(() => setPath(location.pathname), [location]);
 
   return (
-    <FluentProvider theme={commonStore.settings.darkMode ? webDarkTheme : webLightTheme} className="h-screen">
+    <FluentProvider className="h-screen"
+                    theme={commonStore.settings.darkMode ? webDarkTheme : webLightTheme}
+                    data-theme={commonStore.settings.darkMode ? 'dark' : 'light'}>
       <div className="flex h-full">
         <div className="flex flex-col w-16 sm:w-48 p-2 justify-between">
           <TabList

frontend/src/components/MarkdownRender.tsx

@@ -0,0 +1,31 @@
+import ReactMarkdown from 'react-markdown';
+import rehypeRaw from 'rehype-raw';
+import rehypeHighlight from 'rehype-highlight';
+import remarkGfm from 'remark-gfm';
+import remarkBreaks from 'remark-breaks';
+import {FC} from 'react';
+import {ReactMarkdownOptions} from 'react-markdown/lib/react-markdown';
+
+export const MarkdownRender: FC<ReactMarkdownOptions> = (props) => {
+  return (
+    <div dir="auto" className="markdown-body">
+      <ReactMarkdown
+        remarkPlugins={[remarkGfm, remarkBreaks]}
+        rehypePlugins={[
+          rehypeRaw,
+          [
+            rehypeHighlight,
+            {
+              detect: true,
+              ignoreMissing: true
+            }
+          ]
+        ]}
+      >
+        {props.children}
+      </ReactMarkdown>
+    </div>
+  );
+};
+
+export default MarkdownRender;

frontend/src/main.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import {createRoot} from 'react-dom/client';
-import './style.css';
+import './style.scss';
 import 'react-toastify/dist/ReactToastify.css';
 import App from './App';
 import {HashRouter} from 'react-router-dom';

frontend/src/pages/Chat.tsx

@@ -1,7 +1,7 @@
-import React, {FC, useRef, useState} from 'react';
+import React, {FC, useEffect, useRef, useState} from 'react';
 import {useTranslation} from 'react-i18next';
 import {RunButton} from '../components/RunButton';
-import {Avatar, Divider, Input, PresenceBadge, Text} from '@fluentui/react-components';
+import {Avatar, Divider, PresenceBadge, Text, Textarea} from '@fluentui/react-components';
 import commonStore, {ModelStatus} from '../stores/commonStore';
 import {observer} from 'mobx-react-lite';
 import {PresenceBadgeStatus} from '@fluentui/react-badge';
@@ -11,6 +11,7 @@ import classnames from 'classnames';
 import {fetchEventSource} from '@microsoft/fetch-event-source';
 import {ConversationPair, getConversationPairs, Record} from '../utils/get-conversation-pairs';
 import logo from '../../../build/appicon.png';
+import MarkdownRender from '../components/MarkdownRender';
 
 const userName = 'M E';
 const botName = 'A I';
@@ -45,8 +46,14 @@ const ChatPanel: FC = observer(() => {
   const [conversations, setConversations] = useState<Conversations>({});
   const [conversationsOrder, setConversationsOrder] = useState<string[]>([]);
   const bodyRef = useRef<HTMLDivElement>(null);
+  const inputRef = useRef<HTMLTextAreaElement>(null);
   const port = commonStore.getCurrentModelConfig().apiParameters.apiPort;
 
+  useEffect(() => {
+    if (inputRef.current)
+      inputRef.current.style.maxHeight = '16rem';
+  }, []);
+
   const scrollToBottom = () => {
     if (bodyRef.current)
       bodyRef.current.scrollTop = bodyRef.current.scrollHeight;
@@ -159,7 +166,7 @@ const ChatPanel: FC = observer(() => {
           return <div
             key={uuid}
             className={classnames(
-              'flex gap-2 mb-2',
+              'flex gap-2 mb-2 overflow-hidden',
               conversation.side === 'left' ? 'flex-row' : 'flex-row-reverse'
             )}
           >
@@ -170,12 +177,12 @@ const ChatPanel: FC = observer(() => {
             />
             <div
               className={classnames(
-                'p-2 rounded-lg',
+                'p-2 rounded-lg overflow-hidden',
                 conversation.side === 'left' ? 'bg-gray-200' : 'bg-blue-500',
                 conversation.side === 'left' ? 'text-gray-600' : 'text-white'
               )}
             >
-              {conversation.content}
+              <MarkdownRender>{conversation.content}</MarkdownRender>
             </div>
             {(conversation.type === MessageType.Error || !conversation.done) &&
               <PresenceBadge status={
@@ -185,17 +192,18 @@ const ChatPanel: FC = observer(() => {
           </div>;
         })}
       </div>
-      <div className="flex">
+      <div className="flex items-end">
         <button className="bg-blue-500 text-white rounded-lg py-2 px-4 mr-2" onClick={() => {
           setConversations({});
           setConversationsOrder([]);
         }}>
           {t('Clear')}
         </button>
-        <form onSubmit={handleSubmit} className="flex grow">
-          <Input
-            type="text"
-            className="grow mr-2"
+        <form onSubmit={handleSubmit} className="flex items-end grow gap-2">
+          <Textarea
+            ref={inputRef}
+            className="grow"
+            resize="vertical"
             placeholder={t('Type your message here')!}
             value={message}
             onChange={(e) => setMessage(e.target.value)}

frontend/src/style.css

@@ -1,29 +0,0 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
-
-body {
-  margin: 0;
-  overflow: hidden;
-  width: 100%;
-  height: 100%;
-}
-
-* {
-  scrollbar-width: thin;
-}
-
-/* Works on Chrome, Edge, and Safari */
-*::-webkit-scrollbar {
-  width: 9px;
-}
-
-*::-webkit-scrollbar-thumb {
-  background-color: rgba(155, 155, 155, 0.5);
-  border-radius: 20px;
-  border: transparent;
-}
-
-*::-webkit-scrollbar-track {
-  background: transparent;
-}

frontend/src/style.scss

@@ -0,0 +1,94 @@
+[data-theme='dark'] {
+  @import 'highlight.js/scss/github-dark.scss';
+  @import 'github-markdown-css/github-markdown-dark.css';
+  --color-neutral-muted: rgba(110, 118, 129, 0.4);
+}
+
+[data-theme='light'] {
+  @import 'highlight.js/scss/github.scss';
+  @import 'github-markdown-css/github-markdown-light.css';
+  --color-neutral-muted: rgba(150, 160, 170, 0.3);
+}
+
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+body {
+  margin: 0;
+  overflow: hidden;
+  width: 100%;
+  height: 100%;
+}
+
+* {
+  scrollbar-width: thin;
+}
+
+/* Works on Chrome, Edge, and Safari */
+*::-webkit-scrollbar {
+  width: 9px;
+}
+
+*::-webkit-scrollbar-thumb {
+  background-color: rgba(155, 155, 155, 0.5);
+  border-radius: 20px;
+  border: transparent;
+}
+
+*::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+*::-webkit-scrollbar-corner {
+  background: transparent;
+}
+
+.markdown-body {
+  overflow-y: auto;
+  overflow-x: hidden;
+
+  ul,
+  ol {
+    padding-left: 1.5em;
+  }
+
+  ol {
+    list-style: none;
+    counter-reset: item;
+
+    li {
+      counter-increment: item;
+
+      &::marker {
+        content: counter(item) '. ';
+      }
+    }
+  }
+
+  pre {
+    padding: 0;
+
+    code {
+      font-size: 14px;
+    }
+  }
+
+  p {
+    margin: 0 0 10px;
+  }
+
+  code {
+    padding: 0 0.4em;
+    margin: 0;
+    white-space: pre-wrap;
+    word-break: break-word;
+    border-radius: 8px;
+    background-color: var(--color-neutral-muted);
+    font-size: 11px;
+
+    .hljs {
+      padding: 0;
+    }
+  }
+}