client: useSharedState and syntax highlighting

client/components/document/index.tsx

@@ -1,5 +1,5 @@
-import { Button, ButtonGroup, Card, Input, Spacer, Tabs, Textarea } from "@geist-ui/core"
+import { Button, Card, Input, Spacer, Tabs, Textarea } from "@geist-ui/core"
-import { ChangeEvent, FormEvent, memo, useEffect, useReducer, useRef, useState } from "react"
+import { ChangeEvent, memo, useMemo, useRef, useState } from "react"
 import styles from './document.module.css'
 import MarkdownPreview from '../preview'
 import { Trash } from '@geist-ui/icons'
@@ -26,6 +26,14 @@ const Document = ({ remove, editable, title, content, setTitle, setContent, init
         setTab(newTab as 'edit' | 'preview')
     }
 
+    const getType = useMemo(() => {
+        if (!title) return
+        const pathParts = title.split(".")
+        const language = pathParts.length > 1 ? pathParts[pathParts.length - 1] : ""
+        console.log(language)
+        return language
+    }, [title])
+
     const removeFile = (remove?: () => void) => {
         if (remove) {
             if (content && content.trim().length > 0) {
@@ -78,7 +86,7 @@ const Document = ({ remove, editable, title, content, setTitle, setContent, init
                             </div>
                         </Tabs.Item>
                         <Tabs.Item label="Preview" value="preview">
-                            <MarkdownPreview height={height} content={content} />
+                            <MarkdownPreview height={height} content={content} type={getType} />
                         </Tabs.Item>
                     </Tabs>
 

client/components/header/index.tsx

@@ -59,6 +59,7 @@ const Header = ({ changeTheme, theme }: DriftProps) => {
                     router.push("/signin");
                 }
             },
+            href: "#signout",
             icon: <SignoutIcon />,
             condition: isSignedIn,
             value: "signout"
@@ -89,6 +90,7 @@ const Header = ({ changeTheme, theme }: DriftProps) => {
             action: function () {
                 if (typeof window !== 'undefined') {
                     changeTheme();
+                    setSelectedTab(undefined);
                 }
             },
             icon: theme === 'light' ? <Moon /> : <Sun />,

client/components/preview/index.tsx

@@ -1,8 +1,28 @@
-import { memo } from "react"
+import { memo, useEffect, useState } from "react"
 import ReactMarkdownPreview from "./react-markdown-preview"
 
-const MarkdownPreview = ({ content = '', height = 500 }: { content?: string, height?: number | string }) => {
+type Props = {
-    return (<ReactMarkdownPreview height={height} content={content} />)
+    content?: string
+    height?: number | string
+    //  file extensions we can highlight 
+    type?: string
+}
+
+const MarkdownPreview = ({ content = '', height = 500, type = 'markdown' }: Props) => {
+    const [contentToRender, setContent] = useState(content)
+    useEffect(() => {
+        // 'm' so it doesn't flash code when you change the type to md
+        const renderAsMarkdown = ['m', 'markdown', 'md', 'mdown', 'mkdn', 'mkd', 'mdwn', 'mdtxt', 'mdtext', 'text', '']
+        if (!renderAsMarkdown.includes(type)) {
+            setContent(`~~~${type}
+${content}
+~~~
+`)
+        } else {
+            setContent(content)
+        }
+    }, [type, content])
+    return (<ReactMarkdownPreview height={height} content={contentToRender} />)
 }
 
 export default memo(MarkdownPreview)

client/components/preview/preview.module.css

@@ -1,3 +1,14 @@
+.markdownPreview pre {
+  border-radius: 3px;
+  font-family: "Courier New", Courier, monospace;
+  font-size: 14px;
+  line-height: 1.42857143;
+  margin: 0;
+  padding: 10px;
+  white-space: pre-wrap;
+  word-wrap: break-word;
+}
+
 .markdownPreview h1,
 .markdownPreview h2,
 .markdownPreview h3,

client/components/preview/react-markdown-preview.tsx

@@ -1,9 +1,12 @@
 import ReactMarkdown from "react-markdown"
 import remarkGfm from "remark-gfm"
+import { PrismAsyncLight as SyntaxHighlighter } from 'react-syntax-highlighter';
 
 // @ts-ignore because of no types in remark-a11y-emoji
 import a11yEmoji from '@fec/remark-a11y-emoji';
 import styles from './preview.module.css'
+import { duotoneDark, duotoneLight } from 'react-syntax-highlighter/dist/cjs/styles/prism'
+import useSharedState from "../../lib/hooks/use-shared-state";
 
 type Props = {
     content: string | undefined
@@ -11,9 +14,40 @@ type Props = {
 }
 
 const ReactMarkdownPreview = ({ content, height }: Props) => {
-    return (<div style={{ height }}><ReactMarkdown className={styles.markdownPreview} remarkPlugins={[remarkGfm, a11yEmoji]} >
+    const [themeType] = useSharedState<string>('theme')
-        {content || ""}
+    return (<div style={{ height }}>
-    </ReactMarkdown></div>)
+        <ReactMarkdown className={styles.markdownPreview} remarkPlugins={[remarkGfm, a11yEmoji]}
+            components={{
+                code({ node, inline, className, children, ...props }) {
+                    const match = /language-(\w+)/.exec(className || '')
+                    return !inline && match ? (
+                        <SyntaxHighlighter
+                            lineNumberStyle={{
+                                minWidth: "1.25rem"
+                            }}
+                            customStyle={{
+                                padding: 0,
+                                margin: 0,
+                                background: 'transparent'
+                            }}
+                            codeTagProps={{
+                                style: { background: 'transparent' }
+                            }}
+                            style={themeType === 'dark' ? duotoneDark : duotoneLight}
+                            showLineNumbers={true}
+                            language={match[1]}
+                            PreTag="div"
+                            {...props}
+                        >{String(children).replace(/\n$/, '')}</SyntaxHighlighter>
+                    ) : (
+                        <code className={className} {...props}>
+                            {children}
+                        </code>
+                    )
+                }
+            }}>
+            {content || ""}
+        </ReactMarkdown></div>)
 }
 
 export default ReactMarkdownPreview

client/lib/hooks/use-shared-state.ts

@@ -0,0 +1,11 @@
+import useSWR from "swr"
+
+// https://2020.paco.me/blog/shared-hook-state-with-swr
+const useSharedState = <T>(key: string, initial?: T) => {
+    const { data: state, mutate: setState } = useSWR(key, {
+        fallbackData: initial
+    })
+    return [state, setState] as const
+}
+
+export default useSharedState

client/lib/hooks/use-signed-in.ts

@@ -1,9 +1,10 @@
 import { useRouter } from "next/router";
-import { useState, useEffect } from "react"
+import { useEffect } from "react"
+import useSharedState from "./use-shared-state";
 
 const useSignedIn = ({ redirectIfNotAuthed = false }: { redirectIfNotAuthed?: boolean }) => {
-    const [isSignedIn, setSignedIn] = useState(false)
+    const [isSignedIn, setSignedIn] = useSharedState('isSignedIn', false)
-    const [isLoading, setLoading] = useState(true)
+    const [isLoading, setLoading] = useSharedState('isLoading', true)
     const router = useRouter();
     if (redirectIfNotAuthed && !isLoading && isSignedIn === false) {
         router.push('/signin')
@@ -33,7 +34,7 @@ const useSignedIn = ({ redirectIfNotAuthed = false }: { redirectIfNotAuthed?: bo
         }, 60 * 1000);
 
         return () => clearInterval(interval);
-    }, [])
+    }, [setLoading, setSignedIn])
 
     return { isSignedIn, isLoading }
 }

client/package.json

@@ -20,6 +20,8 @@
     "react-debounce-render": "^8.0.2",
     "react-dom": "17.0.2",
     "react-markdown": "^8.0.0",
+    "react-syntax-highlighter": "^15.4.5",
+    "react-syntax-highlighter-virtualized-renderer": "^1.1.0",
     "rehype-katex": "^6.0.2",
     "rehype-stringify": "^9.0.3",
     "remark-gfm": "^3.0.1",
@@ -29,6 +31,7 @@
   "devDependencies": {
     "@types/node": "17.0.21",
     "@types/react": "17.0.39",
+    "@types/react-syntax-highlighter": "^13.5.2",
     "eslint": "8.10.0",
     "eslint-config-next": "12.1.0",
     "typescript": "4.6.2"

client/pages/_app.tsx

@@ -2,6 +2,7 @@ import '../styles/globals.css'
 import { GeistProvider, CssBaseline } from '@geist-ui/core'
 import { useEffect, useState } from 'react'
 import type { AppProps as NextAppProps } from "next/app";
+import useSharedState from '../lib/hooks/use-shared-state';
 
 export type ThemeProps = {
   theme: "light" | "dark" | string,
@@ -15,13 +16,14 @@ type AppProps<P = any> = {
 export type DriftProps = ThemeProps
 
 function MyApp({ Component, pageProps }: AppProps<ThemeProps>) {
-  const [themeType, setThemeType] = useState<string>('light')
+  const [themeType, setThemeType] = useSharedState<string>('theme', 'light')
 
   useEffect(() => {
     if (typeof window === 'undefined' || !window.localStorage) return
     const storedTheme = window.localStorage.getItem('drift-theme')
     if (storedTheme) setThemeType(storedTheme)
-  }, [])
+    // TODO: useReducer?
+  }, [setThemeType, themeType])
 
   const changeTheme = () => {
     const newTheme = themeType === 'dark' ? 'light' : 'dark'
@@ -32,7 +34,7 @@ function MyApp({ Component, pageProps }: AppProps<ThemeProps>) {
   return (
     <GeistProvider themeType={themeType} >
       <CssBaseline />
-      <Component {...pageProps} theme={themeType} changeTheme={changeTheme} />
+      <Component {...pageProps} theme={themeType || 'light'} changeTheme={changeTheme} />
     </GeistProvider>
   )
 }

client/yarn.lock

@@ -10,7 +10,7 @@
     core-js-pure "^3.20.2"
     regenerator-runtime "^0.13.4"
 
-"@babel/runtime@^7.10.2", "@babel/runtime@^7.16.3", "@babel/runtime@^7.16.7":
+"@babel/runtime@^7.10.2", "@babel/runtime@^7.16.3", "@babel/runtime@^7.16.7", "@babel/runtime@^7.3.1", "@babel/runtime@^7.7.2", "@babel/runtime@^7.8.7":
   version "7.17.2"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.17.2.tgz#66f68591605e59da47523c631416b18508779941"
   integrity sha512-hzeyJyMA1YGdJTuWU0e/j4wKXrU4OMFvY2MSlaI9B7VQb0r5cxTE3EAIS2Q7Tn2RIcDkRvTA/v2JsAEhxe99uw==
@@ -217,7 +217,14 @@
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.4.tgz#fcf7205c25dff795ee79af1e30da2c9790808f11"
   integrity sha512-rZ5drC/jWjrArrS8BR6SIr4cWpW09RNTYt9AMZo3Jwwif+iacXAqgVjm0B0Bv/S1jhDXKHqRVNCbACkJ89RAnQ==
 
-"@types/react@17.0.39":
+"@types/react-syntax-highlighter@^13.5.2":
+  version "13.5.2"
+  resolved "https://registry.yarnpkg.com/@types/react-syntax-highlighter/-/react-syntax-highlighter-13.5.2.tgz#357cc03581dc434c57c3b31f70e0eecdbf7b3ab0"
+  integrity sha512-sRZoKZBGKaE7CzMvTTgz+0x/aVR58ZYUTfB7HN76vC+yQnvo1FWtzNARBt0fGqcLGEVakEzMu/CtPzssmanu8Q==
+  dependencies:
+    "@types/react" "*"
+
+"@types/react@*", "@types/react@17.0.39":
   version "17.0.39"
   resolved "https://registry.yarnpkg.com/@types/react/-/react-17.0.39.tgz#d0f4cde092502a6db00a1cded6e6bf2abb7633ce"
   integrity sha512-UVavlfAxDd/AgAacMa60Azl7ygyQNRwC/DsHZmKgNvPmRR5p70AJ5Q9EAmL2NWOJmeV+vVUI4IAP7GZrN8h8Ug==
@@ -374,6 +381,14 @@ axobject-query@^2.2.0:
   resolved "https://registry.yarnpkg.com/axobject-query/-/axobject-query-2.2.0.tgz#943d47e10c0b704aa42275e20edf3722648989be"
   integrity sha512-Td525n+iPOOyUQIeBfcASuG6uJsDOITl7Mds5gFyerkWiX7qhUTdYUBlSgNMyVqtSJqwpt1kXGLdUt6SykLMRA==
 
+babel-runtime@^6.18.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
+  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
+  dependencies:
+    core-js "^2.4.0"
+    regenerator-runtime "^0.11.0"
+
 bail@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/bail/-/bail-2.0.2.tgz#d26f5cd8fe5d6f832a31517b9f7c356040ba6d5d"
@@ -435,16 +450,36 @@ character-entities-html4@^2.0.0:
   resolved "https://registry.yarnpkg.com/character-entities-html4/-/character-entities-html4-2.1.0.tgz#1f1adb940c971a4b22ba39ddca6b618dc6e56b2b"
   integrity sha512-1v7fgQRj6hnSwFpq1Eu0ynr/CDEw0rXo2B61qXrLNdHZmPKgb7fqS1a2JwF0rISo9q77jDI8VMEHoApn8qDoZA==
 
+character-entities-legacy@^1.0.0:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/character-entities-legacy/-/character-entities-legacy-1.1.4.tgz#94bc1845dce70a5bb9d2ecc748725661293d8fc1"
+  integrity sha512-3Xnr+7ZFS1uxeiUDvV02wQ+QDbc55o97tIV5zHScSPJpcLm/r0DFPcoY3tYRp+VZukxuMeKgXYmsXQHO05zQeA==
+
 character-entities-legacy@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/character-entities-legacy/-/character-entities-legacy-3.0.0.tgz#76bc83a90738901d7bc223a9e93759fdd560125b"
   integrity sha512-RpPp0asT/6ufRm//AJVwpViZbGM/MkjQFxJccQRHmISF/22NBtsHqAWmL+/pmkPWoIUJdWyeVleTl1wydHATVQ==
 
+character-entities@^1.0.0:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/character-entities/-/character-entities-1.2.4.tgz#e12c3939b7eaf4e5b15e7ad4c5e28e1d48c5b16b"
+  integrity sha512-iBMyeEHxfVnIakwOuDXpVkc54HijNgCyQB2w0VfGQThle6NXn50zU6V/u+LDhxHcDUPojn6Kpga3PTAD8W1bQw==
+
 character-entities@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/character-entities/-/character-entities-2.0.1.tgz#98724833e1e27990dee0bd0f2b8a859c3476aac7"
   integrity sha512-OzmutCf2Kmc+6DrFrrPS8/tDh2+DpnrfzdICHWhcVC9eOd0N1PXmQEE1a8iM4IziIAG+8tmTq3K+oo0ubH6RRQ==
 
+character-reference-invalid@^1.0.0:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/character-reference-invalid/-/character-reference-invalid-1.1.4.tgz#083329cda0eae272ab3dbbf37e9a382c13af1560"
+  integrity sha512-mKKUkUbhPpQlCOfIuZkvSEgktjPFIsZKRRbC6KWVEMvlzblj3i3asQv5ODsrwt0N3pHAEvjP8KTQPHkp0+6jOg==
+
+clsx@^1.0.4:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/clsx/-/clsx-1.1.1.tgz#98b3134f9abbdf23b2663491ace13c5c03a73188"
+  integrity sha512-6/bPho624p3S2pMyvP5kKBPXnI3ufHLObBFCfgx+LkeR5lg2XYy2hqZqUf45ypD8COn2bhgGJSUE+l5dhNBieA==
+
 color-convert@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
@@ -462,6 +497,11 @@ comlink@^4.3.1:
   resolved "https://registry.yarnpkg.com/comlink/-/comlink-4.3.1.tgz#0c6b9d69bcd293715c907c33fe8fc45aecad13c5"
   integrity sha512-+YbhUdNrpBZggBAHWcgQMLPLH1KDF3wJpeqrCKieWQ8RL7atmgsgTQko1XEBK6PsecfopWNntopJ+ByYG1lRaA==
 
+comma-separated-tokens@^1.0.0:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/comma-separated-tokens/-/comma-separated-tokens-1.0.8.tgz#632b80b6117867a158f1080ad498b2fbe7e3f5ea"
+  integrity sha512-GHuDRO12Sypu2cV70d1dkA2EUmXHgntrzbpvOB+Qy+49ypNfGgFQIC2fhhXbnyrJRynDCAARsT7Ou0M6hirpfw==
+
 comma-separated-tokens@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/comma-separated-tokens/-/comma-separated-tokens-2.0.2.tgz#d4c25abb679b7751c880be623c1179780fe1dd98"
@@ -482,6 +522,11 @@ core-js-pure@^3.20.2:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.21.1.tgz#8c4d1e78839f5f46208de7230cebfb72bc3bdb51"
   integrity sha512-12VZfFIu+wyVbBebyHmRTuEE/tZrB4tJToWcwAMcsp3h4+sHR+fMJWbKpYiCRWlhFBq+KNyO8rIV9rTkeVmznQ==
 
+core-js@^2.4.0:
+  version "2.6.12"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
+  integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
+
 cross-spawn@^7.0.2:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
@@ -572,6 +617,14 @@ doctrine@^3.0.0:
   dependencies:
     esutils "^2.0.2"
 
+dom-helpers@^5.1.3:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/dom-helpers/-/dom-helpers-5.2.1.tgz#d9400536b2bf8225ad98fe052e029451ac40e902"
+  integrity sha512-nRCa7CK3VTrM2NmGkIy4cbK7IZlgBE/PYMn55rrXefr5xXDP0LdtfPnblFDoVdcAfslJ7or6iqAUnx0CCGIWQA==
+  dependencies:
+    "@babel/runtime" "^7.8.7"
+    csstype "^3.0.2"
+
 dotenv@^16.0.0:
   version "16.0.0"
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.0.0.tgz#c619001253be89ebb638d027b609c75c26e47411"
@@ -868,6 +921,13 @@ fastq@^1.6.0:
   dependencies:
     reusify "^1.0.4"
 
+fault@^1.0.0, fault@^1.0.2:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/fault/-/fault-1.0.4.tgz#eafcfc0a6d214fc94601e170df29954a4f842f13"
+  integrity sha512-CJ0HCB5tL5fYTEA7ToAq5+kTwd++Borf1/bifxd9iT70QcXr4MRrO3Llf8Ifs70q+SJcGHFtnIE/Nw6giCtECA==
+  dependencies:
+    format "^0.2.0"
+
 file-entry-cache@^6.0.1:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-6.0.1.tgz#211b2dd9659cb0394b073e7323ac3c933d522027"
@@ -902,6 +962,11 @@ flatted@^3.1.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.2.5.tgz#76c8584f4fc843db64702a6bd04ab7a8bd666da3"
   integrity sha512-WIWGi2L3DyTUvUrwRKgGi9TwxQMUEqPOPQBVi71R96jZXJdFskXEmf54BoZaS1kknGODoIGASGEzBUYdyMCBJg==
 
+format@^0.2.0:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/format/-/format-0.2.2.tgz#d6170107e9efdc4ed30c9dc39016df942b5cb58b"
+  integrity sha1-1hcBB+nv3E7TDJ3DkBbflCtctYs=
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -1047,6 +1112,11 @@ hast-util-is-element@^2.0.0:
     "@types/hast" "^2.0.0"
     "@types/unist" "^2.0.0"
 
+hast-util-parse-selector@^2.0.0:
+  version "2.2.5"
+  resolved "https://registry.yarnpkg.com/hast-util-parse-selector/-/hast-util-parse-selector-2.2.5.tgz#d57c23f4da16ae3c63b3b6ca4616683313499c3a"
+  integrity sha512-7j6mrk/qqkSehsM92wQjdIgWM2/BW61u/53G6xmC8i1OmEdKLHbk419QKQUjz6LglWsfqoiHmyMRkP1BGjecNQ==
+
 hast-util-parse-selector@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/hast-util-parse-selector/-/hast-util-parse-selector-3.1.0.tgz#a519e27e8b61bd5a98fad494ed06131ce68d9c3f"
@@ -1084,6 +1154,17 @@ hast-util-whitespace@^2.0.0:
   resolved "https://registry.yarnpkg.com/hast-util-whitespace/-/hast-util-whitespace-2.0.0.tgz#4fc1086467cc1ef5ba20673cb6b03cec3a970f1c"
   integrity sha512-Pkw+xBHuV6xFeJprJe2BBEoDV+AvQySaz3pPDRUs5PNZEMQjpXJJueqrpcHIXxnWTcAGi/UOCgVShlkY6kLoqg==
 
+hastscript@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/hastscript/-/hastscript-6.0.0.tgz#e8768d7eac56c3fdeac8a92830d58e811e5bf640"
+  integrity sha512-nDM6bvd7lIqDUiYEiu5Sl/+6ReP0BMk/2f4U/Rooccxkj0P5nm+acM5PrGJ/t5I8qPGiqZSE6hVAwZEdZIvP4w==
+  dependencies:
+    "@types/hast" "^2.0.0"
+    comma-separated-tokens "^1.0.0"
+    hast-util-parse-selector "^2.0.0"
+    property-information "^5.0.0"
+    space-separated-tokens "^1.0.0"
+
 hastscript@^7.0.0:
   version "7.0.2"
   resolved "https://registry.yarnpkg.com/hastscript/-/hastscript-7.0.2.tgz#d811fc040817d91923448a28156463b2e40d590a"
@@ -1095,6 +1176,16 @@ hastscript@^7.0.0:
     property-information "^6.0.0"
     space-separated-tokens "^2.0.0"
 
+highlight.js@^10.4.1, highlight.js@~10.7.0:
+  version "10.7.3"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.7.3.tgz#697272e3991356e40c3cac566a74eef681756531"
+  integrity sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A==
+
+highlight.js@~9.12.0:
+  version "9.12.0"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.12.0.tgz#e6d9dbe57cbefe60751f02af336195870c90c01e"
+  integrity sha1-5tnb5Xy+/mB1HwKvM2GVhwyQwB4=
+
 hoist-non-react-statics@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz#ece0acaf71d62c2969c2ec59feff42a4b1a85b45"
@@ -1157,6 +1248,19 @@ internal-slot@^1.0.3:
     has "^1.0.3"
     side-channel "^1.0.4"
 
+is-alphabetical@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-alphabetical/-/is-alphabetical-1.0.4.tgz#9e7d6b94916be22153745d184c298cbf986a686d"
+  integrity sha512-DwzsA04LQ10FHTZuL0/grVDk4rFoVH1pjAToYwBrHSxcrBIGQuXrQMtD5U1b0U2XVgKZCTLLP8u2Qxqhy3l2Vg==
+
+is-alphanumerical@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-alphanumerical/-/is-alphanumerical-1.0.4.tgz#7eb9a2431f855f6b1ef1a78e326df515696c4dbf"
+  integrity sha512-UzoZUr+XfVz3t3v4KyGEniVL9BDRoQtY7tOyrRybkVNjDFWyo1yhXNGrrBTQxp3ib9BLAWs7k2YKBQsFRkZG9A==
+  dependencies:
+    is-alphabetical "^1.0.0"
+    is-decimal "^1.0.0"
+
 is-bigint@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/is-bigint/-/is-bigint-1.0.4.tgz#08147a1875bc2b32005d41ccd8291dffc6691df3"
@@ -1196,6 +1300,11 @@ is-date-object@^1.0.1:
   dependencies:
     has-tostringtag "^1.0.0"
 
+is-decimal@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-decimal/-/is-decimal-1.0.4.tgz#65a3a5958a1c5b63a706e1b333d7cd9f630d3fa5"
+  integrity sha512-RGdriMmQQvZ2aqaQq3awNA6dCGtKpiDFcOzrTWrDAT2MiWrKQVPmxLGHl7Y2nNu6led0kEyoX0enY0qXYsv9zw==
+
 is-extglob@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
@@ -1208,6 +1317,11 @@ is-glob@^4.0.0, is-glob@^4.0.1, is-glob@^4.0.3:
   dependencies:
     is-extglob "^2.1.1"
 
+is-hexadecimal@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-hexadecimal/-/is-hexadecimal-1.0.4.tgz#cc35c97588da4bd49a8eedd6bc4082d44dcb23a7"
+  integrity sha512-gyPJuv83bHMpocVYoqof5VDiZveEoGoFL8m3BXNb2VW8Xs+rz9kqO8LOQ5DH6EsuvilT1ApazU0pyl+ytbPtlw==
+
 is-negative-zero@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.2.tgz#7bf6f03a28003b8b3965de3ac26f664d765f3150"
@@ -1375,6 +1489,22 @@ loose-envify@^1.1.0, loose-envify@^1.4.0:
   dependencies:
     js-tokens "^3.0.0 || ^4.0.0"
 
+lowlight@^1.17.0:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/lowlight/-/lowlight-1.20.0.tgz#ddb197d33462ad0d93bf19d17b6c301aa3941888"
+  integrity sha512-8Ktj+prEb1RoCPkEOrPMYUN/nCggB7qAWe3a7OpMjWQkh3l2RD5wKRQ+o8Q8YuI9RG/xs95waaI/E6ym/7NsTw==
+  dependencies:
+    fault "^1.0.0"
+    highlight.js "~10.7.0"
+
+lowlight@~1.9.1:
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/lowlight/-/lowlight-1.9.2.tgz#0b9127e3cec2c3021b7795dd81005c709a42fdd1"
+  integrity sha512-Ek18ElVCf/wF/jEm1b92gTnigh94CtBNWiZ2ad+vTgW7cTmQxUY3I98BjHK68gZAJEWmybGBZgx9qv3QxLQB/Q==
+  dependencies:
+    fault "^1.0.2"
+    highlight.js "~9.12.0"
+
 lru-cache@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
@@ -2004,6 +2134,18 @@ parent-module@^1.0.0:
   dependencies:
     callsites "^3.0.0"
 
+parse-entities@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/parse-entities/-/parse-entities-2.0.0.tgz#53c6eb5b9314a1f4ec99fa0fdf7ce01ecda0cbe8"
+  integrity sha512-kkywGpCcRYhqQIchaWqZ875wzpS/bMKhz5HnN3p7wveJTkTtyAB/AlnS0f8DFSqYW1T82t6yEAkEcB+A1I3MbQ==
+  dependencies:
+    character-entities "^1.0.0"
+    character-entities-legacy "^1.0.0"
+    character-reference-invalid "^1.0.0"
+    is-alphanumerical "^1.0.0"
+    is-decimal "^1.0.0"
+    is-hexadecimal "^1.0.0"
+
 parse5@^6.0.0:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-6.0.1.tgz#e1a1c085c569b3dc08321184f19a39cc27f7c30b"
@@ -2058,12 +2200,12 @@ prelude-ls@^1.2.1:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"
   integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
 
-prismjs@^1.27.0:
+prismjs@^1.25.0, prismjs@^1.27.0, prismjs@~1.27.0:
   version "1.27.0"
   resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
   integrity sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==
 
-prop-types@^15.0.0, prop-types@^15.8.1:
+prop-types@^15.0.0, prop-types@^15.7.2, prop-types@^15.8.1:
   version "15.8.1"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.8.1.tgz#67d87bf1a694f48435cf332c24af10214a3140b5"
   integrity sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==
@@ -2072,6 +2214,13 @@ prop-types@^15.0.0, prop-types@^15.8.1:
     object-assign "^4.1.1"
     react-is "^16.13.1"
 
+property-information@^5.0.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/property-information/-/property-information-5.6.0.tgz#61675545fb23002f245c6540ec46077d4da3ed69"
+  integrity sha512-YUHSPk+A30YPv+0Qf8i9Mbfe/C0hdPXk1s1jPVToV8pk8BQtpw10ct89Eo7OWkutrwqvT0eicAxlOg3dOAu8JA==
+  dependencies:
+    xtend "^4.0.0"
+
 property-information@^6.0.0:
   version "6.1.1"
   resolved "https://registry.yarnpkg.com/property-information/-/property-information-6.1.1.tgz#5ca85510a3019726cb9afed4197b7b8ac5926a22"
@@ -2114,6 +2263,11 @@ react-is@^17.0.0:
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-17.0.2.tgz#e691d4a8e9c789365655539ab372762b0efb54f0"
   integrity sha512-w2GsyukL62IJnlaff/nRegPQR94C/XXamvMWmSHRJ4y7Ts/4ocGRmTHvOs8PSE6pB3dWOrD/nueuU5sduBsQ4w==
 
+react-lifecycles-compat@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"
+  integrity sha512-fBASbA6LnOU9dOU2eW7aQ8xmYBSXUIWr+UmF9b1efZBazGNO+rcXT/icdKnYm2pTwcRylVUYwW7H1PHfLekVzA==
+
 react-markdown@^8.0.0:
   version "8.0.0"
   resolved "https://registry.yarnpkg.com/react-markdown/-/react-markdown-8.0.0.tgz#3243296a59ddb0f451d262cc2e11123674b416c2"
@@ -2134,6 +2288,46 @@ react-markdown@^8.0.0:
     unist-util-visit "^4.0.0"
     vfile "^5.0.0"
 
+react-syntax-highlighter-virtualized-renderer@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/react-syntax-highlighter-virtualized-renderer/-/react-syntax-highlighter-virtualized-renderer-1.1.0.tgz#7536d9f18f9cce736fac15031a891b8cbaabe90b"
+  integrity sha1-dTbZ8Y+cznNvrBUDGokbjLqr6Qs=
+  dependencies:
+    react-syntax-highlighter "^5.1.2"
+    react-virtualized "^9.3.0"
+
+react-syntax-highlighter@^15.4.5:
+  version "15.4.5"
+  resolved "https://registry.yarnpkg.com/react-syntax-highlighter/-/react-syntax-highlighter-15.4.5.tgz#db900d411d32a65c8e90c39cd64555bf463e712e"
+  integrity sha512-RC90KQTxZ/b7+9iE6s9nmiFLFjWswUcfULi4GwVzdFVKVMQySkJWBuOmJFfjwjMVCo0IUUuJrWebNKyviKpwLQ==
+  dependencies:
+    "@babel/runtime" "^7.3.1"
+    highlight.js "^10.4.1"
+    lowlight "^1.17.0"
+    prismjs "^1.25.0"
+    refractor "^3.2.0"
+
+react-syntax-highlighter@^5.1.2:
+  version "5.8.0"
+  resolved "https://registry.yarnpkg.com/react-syntax-highlighter/-/react-syntax-highlighter-5.8.0.tgz#a220c010fd0641751d93532509ba7159cc3a4383"
+  integrity sha512-+FolT9NhFBqE4SsZDelSzsYJJS/JCnQqo4+GxLrFPoML548uvr8f4Eh5nnd5o6ERKFW7ryiygOX9SPnxdnlpkg==
+  dependencies:
+    babel-runtime "^6.18.0"
+    highlight.js "~9.12.0"
+    lowlight "~1.9.1"
+
+react-virtualized@^9.3.0:
+  version "9.22.3"
+  resolved "https://registry.yarnpkg.com/react-virtualized/-/react-virtualized-9.22.3.tgz#f430f16beb0a42db420dbd4d340403c0de334421"
+  integrity sha512-MKovKMxWTcwPSxE1kK1HcheQTWfuCxAuBoSTf2gwyMM21NdX/PXUhnoP8Uc5dRKd+nKm8v41R36OellhdCpkrw==
+  dependencies:
+    "@babel/runtime" "^7.7.2"
+    clsx "^1.0.4"
+    dom-helpers "^5.1.3"
+    loose-envify "^1.4.0"
+    prop-types "^15.7.2"
+    react-lifecycles-compat "^3.0.4"
+
 react@17.0.2:
   version "17.0.2"
   resolved "https://registry.yarnpkg.com/react/-/react-17.0.2.tgz#d0b5cc516d29eb3eee383f75b62864cfb6800037"
@@ -2142,6 +2336,20 @@ react@17.0.2:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
+refractor@^3.2.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/refractor/-/refractor-3.6.0.tgz#ac318f5a0715ead790fcfb0c71f4dd83d977935a"
+  integrity sha512-MY9W41IOWxxk31o+YvFCNyNzdkc9M20NoZK5vq6jkv4I/uh2zkWcfudj0Q1fovjUQJrNewS9NMzeTtqPf+n5EA==
+  dependencies:
+    hastscript "^6.0.0"
+    parse-entities "^2.0.0"
+    prismjs "~1.27.0"
+
+regenerator-runtime@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
+
 regenerator-runtime@^0.13.4:
   version "0.13.9"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.9.tgz#8925742a98ffd90814988d7566ad30ca3b263b52"
@@ -2331,6 +2539,11 @@ source-map-js@^1.0.1:
   resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.0.2.tgz#adbc361d9c62df380125e7f161f71c826f1e490c"
   integrity sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==
 
+space-separated-tokens@^1.0.0:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/space-separated-tokens/-/space-separated-tokens-1.1.5.tgz#85f32c3d10d9682007e917414ddc5c26d1aa6899"
+  integrity sha512-q/JSVd1Lptzhf5bkYm4ob4iWPjx0KiRe3sRFBNrVqbJkFaBm5vbbowy1mymoPNLRa52+oadOhJ+K49wsSeSjTA==
+
 space-separated-tokens@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/space-separated-tokens/-/space-separated-tokens-2.0.1.tgz#43193cec4fb858a2ce934b7f98b7f2c18107098b"
@@ -2688,6 +2901,11 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
+xtend@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+  integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
+
 yallist@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"