refactor(website): convert website to TypeScript (#5328)

* Initial work

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Minor changes

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Fix error

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* This looks better

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Address suggestions

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Better style

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Better style

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Better context typing

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Update edit URL

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Minor refactor

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

website/package.json

@@ -63,6 +63,7 @@
     ]
   },
   "devDependencies": {
+    "@tsconfig/docusaurus": "^1.0.3",
     "cross-env": "^7.0.3",
     "raw-loader": "^4.0.2"
   }

website/src/components/BrowserWindow/index.tsx

@@ -5,11 +5,17 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import React from 'react';
+import React, {ReactNode} from 'react';
 
 import styles from './styles.module.css';
 
-function BrowserWindow({children, minHeight, url}) {
+interface Props {
+  children: ReactNode;
+  minHeight: number;
+  url: string;
+}
+
+function BrowserWindow({children, minHeight, url}: Props) {
   return (
     <div className={styles.browserWindow} style={{minHeight}}>
       <div className={styles.browserWindowHeader}>

website/src/components/ColorGenerator/index.tsx

@@ -6,17 +6,23 @@
  */
 
 import React, {useState} from 'react';
-
 import Color from 'color';
-
 import CodeBlock from '@theme/CodeBlock';
 
 import styles from './styles.module.css';
 
-const COLOR_SHADES = {
+const COLOR_SHADES: Record<
+  string,
+  {
+    adjustment: number;
+    adjustmentInput: string;
+    displayOrder: number;
+    codeOrder: number;
+  }
+> = {
   '--ifm-color-primary': {
     adjustment: 0,
-    adjustmentInput: 0,
+    adjustmentInput: '0',
     displayOrder: 3,
     codeOrder: 0,
   },
@@ -60,7 +66,7 @@ const COLOR_SHADES = {
 
 const DEFAULT_PRIMARY_COLOR = '3578e5';
 
-function ColorGenerator({children, minHeight, url}) {
+function ColorGenerator() {
   const [baseColor, setBaseColor] = useState(DEFAULT_PRIMARY_COLOR);
   const [shades, setShades] = useState(COLOR_SHADES);
   const color = Color('#' + baseColor);

website/src/components/Playground/index.tsx

@@ -45,7 +45,14 @@ const Playgrounds = [
   },
 ];
 
-function PlaygroundCard({name, image, url, description}) {
+interface Props {
+  name: string;
+  image: any;
+  url: string;
+  description: JSX.Element;
+}
+
+function PlaygroundCard({name, image, url, description}: Props) {
   return (
     <div className="col col--6 margin-bottom--lg">
       <div className={clsx('card')}>

website/src/components/TeamProfileCards/index.tsx

@@ -5,11 +5,11 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import React from 'react';
+import React, {ReactNode} from 'react';
 import Translate from '@docusaurus/Translate';
 import Link from '@docusaurus/Link';
 
-function WebsiteLink({to, children}) {
+function WebsiteLink({to, children}: {to: string; children?: ReactNode}) {
   return (
     <Link to={to}>
       {children || (
@@ -19,7 +19,21 @@ function WebsiteLink({to, children}) {
   );
 }
 
-function TeamProfileCard({className, name, children, githubUrl, twitterUrl}) {
+interface ProfileProps {
+  className?: string;
+  name: string;
+  children: ReactNode;
+  githubUrl?: string;
+  twitterUrl?: string;
+}
+
+function TeamProfileCard({
+  className,
+  name,
+  children,
+  githubUrl,
+  twitterUrl,
+}: ProfileProps) {
   return (
     <div className={className}>
       <div className="card card--full-height">
@@ -55,7 +69,7 @@ function TeamProfileCard({className, name, children, githubUrl, twitterUrl}) {
   );
 }
 
-function TeamProfileCardCol(props) {
+function TeamProfileCardCol(props: ProfileProps) {
   return (
     <TeamProfileCard {...props} className={'col col--6 margin-bottom--lg'} />
   );

website/src/components/showcase/ShowcaseCard/index.tsx

@@ -10,10 +10,10 @@ import React, {memo} from 'react';
 import styles from './styles.module.css';
 import clsx from 'clsx';
 import Image from '@theme/IdealImage';
-import {Tags, TagList} from '../../../data/users';
+import {Tags, TagList, TagType, User, Tag} from '../../../data/users';
 import {sortBy} from '../../../utils/jsUtils';
 
-function TagIcon({label, description, icon}) {
+function TagIcon({label, description, icon}: Tag) {
   return (
     <span
       className={styles.tagIcon}
@@ -24,7 +24,7 @@ function TagIcon({label, description, icon}) {
   );
 }
 
-function ShowcaseCardTagIcons({tags}) {
+function ShowcaseCardTagIcons({tags}: {tags: TagType[]}) {
   const tagObjects = tags
     .map((tag) => ({tag, ...Tags[tag]}))
     .filter((tagObject) => !!tagObject.icon);
@@ -34,12 +34,16 @@ function ShowcaseCardTagIcons({tags}) {
     TagList.indexOf(tagObject.tag),
   );
 
-  return tagObjectsSorted.map((tagObject, index) => (
+  return (
+    <>
+      {tagObjectsSorted.map((tagObject, index) => (
         <TagIcon key={index} {...tagObject} />
-  ));
+      ))}
+    </>
+  );
 }
 
-const ShowcaseCard = memo(function ({user}) {
+const ShowcaseCard = memo(function ({user}: {user: User}) {
   return (
     <div key={user.title} className="col col--4 margin-bottom--lg">
       <div className={clsx('card', styles.showcaseCard)}>

website/src/components/showcase/ShowcaseCheckbox/index.js

@@ -1,36 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-import React from 'react';
-import clsx from 'clsx';
-
-import styles from './styles.module.css';
-
-function ShowcaseCheckbox({
-  className,
-  name,
-  label,
-  onChange,
-  checked,
-  ...props
-}) {
-  const id = `showcase_checkbox_id_${name};`;
-  return (
-    <div className={clsx(props.className, styles.checkboxContainer)} {...props}>
-      <input
-        type="checkbox"
-        id={id}
-        name={name}
-        onChange={onChange}
-        checked={checked}
-      />
-      <label htmlFor={id}>{label}</label>
-    </div>
-  );
-}
-
-export default ShowcaseCheckbox;

website/src/components/showcase/ShowcaseCheckbox/index.tsx

@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import React, {ComponentProps, ReactNode} from 'react';
+import clsx from 'clsx';
+
+import styles from './styles.module.css';
+
+interface Props extends ComponentProps<'input'> {
+  label: ReactNode;
+}
+
+function ShowcaseCheckbox({title, className, label, ...props}: Props) {
+  const id = `showcase_checkbox_id_${props.name};`;
+  return (
+    <div className={clsx(className, styles.checkboxContainer)} title={title}>
+      <input type="checkbox" id={id} {...props} />
+      <label htmlFor={id}>{label}</label>
+    </div>
+  );
+}
+
+export default ShowcaseCheckbox;

website/src/components/showcase/ShowcaseSelect/index.tsx

@@ -5,17 +5,21 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import React from 'react';
+import React, {ComponentProps} from 'react';
 
 import styles from './styles.module.css';
 
-function ShowcaseSelect({tag, label, onChange, value, children}) {
-  const id = `showcase_select_id_${tag};`;
+interface Props extends ComponentProps<'select'> {
+  label: string;
+}
+
+function ShowcaseSelect({label, ...props}: Props) {
+  const id = `showcase_select_id_${props.name};`;
   return (
     <div className={styles.selectContainer}>
       <label htmlFor={id}>{label}</label>
-      <select id={id} name={tag} onChange={onChange} value={value}>
-        {children}
+      <select id={id} {...props}>
+        {props.children}
       </select>
     </div>
   );

website/src/data/users.tsx

@@ -39,10 +39,38 @@ import {difference, sortBy} from '../utils/jsUtils';
  *
  */
 
+export type Tag = {
+  label: string;
+  description: string;
+  icon: JSX.Element;
+};
+
+export type TagType =
+  | 'favorite'
+  | 'opensource'
+  | 'product'
+  | 'design'
+  | 'i18n'
+  | 'versioning'
+  | 'multiInstance'
+  | 'large'
+  | 'facebook'
+  | 'personal'
+  | 'rtl';
+
+export type User = {
+  title: string;
+  description: string;
+  preview: any;
+  website: string;
+  source: string;
+  tags: TagType[];
+};
+
 // LIST OF AVAILABLE TAGS
 // Available tags to assign to your site
 // Please choose widely, we'll remove unappropriate tags
-export const Tags = {
+export const Tags: Record<TagType, Tag> = {
   // DO NOT USE THIS TAG: we choose sites to add to favorites
   favorite: {
     label: 'Favorite',
@@ -123,7 +151,7 @@ export const Tags = {
 
 // Add your site to this list
 // prettier-ignore
-const Users = [
+const Users: User[] = [
   {
     title: 'Aide Jeune',
     description: 'French Discord server that helps young people who have been bullied or feel bad about themselves',
@@ -1276,7 +1304,7 @@ const Users = [
   }
 ];
 
-export const TagList = Object.keys(Tags);
+export const TagList = Object.keys(Tags) as TagType[];
 function sortUsers() {
   let result = Users;
   // Sort by site name
@@ -1289,7 +1317,7 @@ function sortUsers() {
 export const SortedUsers = sortUsers();
 
 // Fail-fast on common errors
-function ensureUserValid(user) {
+function ensureUserValid(user: User) {
   function checkFields() {
     const keys = Object.keys(user);
     const validKeys = [
@@ -1346,7 +1374,11 @@ function ensureUserValid(user) {
   }
 
   function checkTags() {
-    if (!user.tags || !(user.tags instanceof Array) || user.tags.includes('')) {
+    if (
+      !user.tags ||
+      !(user.tags instanceof Array) ||
+      (user.tags as string[]).includes('')
+    ) {
       throw new Error(`Bad showcase tags=[${JSON.stringify(user.tags)}]`);
     }
     const unknownTags = difference(user.tags, TagList);

website/src/pages/examples/_myComponent.tsx

@@ -5,10 +5,10 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import React from 'react';
+import React, {useState} from 'react';
 
 export default function MyComponent() {
-  const [bool, setBool] = React.useState(false);
+  const [bool, setBool] = useState(false);
   return (
     <div>
       <p>MyComponent rendered !</p>

website/src/pages/feedback/index.tsx

@@ -17,8 +17,8 @@ const BOARD_TOKEN = '054e0e53-d951-b14c-7e74-9eb8f9ed2f91';
 function Feedback() {
   useEffect(() => {
     canny();
-    window.Canny &&
-      window.Canny('render', {
+    (window as any).Canny &&
+      (window as any).Canny('render', {
         boardToken: BOARD_TOKEN,
         basePath: '/feedback',
       });

website/src/pages/index.tsx

@@ -79,10 +79,14 @@ const QUOTES = [
 ];
 
 function Home() {
-  const context = useDocusaurusContext();
-  const {siteConfig: {customFields = {}, tagline} = {}} = context;
+  const {
+    siteConfig: {
+      customFields: {description},
+      tagline,
+    },
+  } = useDocusaurusContext();
   return (
-    <Layout title={tagline} description={customFields.description}>
+    <Layout title={tagline} description={description as string}>
       <main>
         <div className={styles.hero}>
           <div className={styles.heroInner}>

website/src/pages/showcase/index.tsx

@@ -16,14 +16,20 @@ import clsx from 'clsx';
 import {useHistory, useLocation} from '@docusaurus/router';
 
 import {toggleListItem} from '../../utils/jsUtils';
-import {SortedUsers, Tags, TagList} from '../../data/users';
+import {SortedUsers, Tags, TagList, User, TagType} from '../../data/users';
+
+type Operator = 'OR' | 'AND';
 
 const TITLE = 'Docusaurus Site Showcase';
 const DESCRIPTION = 'List of websites people are building with Docusaurus';
 const EDIT_URL =
-  'https://github.com/facebook/docusaurus/edit/master/website/src/data/users.js';
+  'https://github.com/facebook/docusaurus/edit/master/website/src/data/users.tsx';
 
-function filterUsers(users, selectedTags, operator) {
+function filterUsers(
+  users: User[],
+  selectedTags: TagType[],
+  operator: Operator,
+) {
   if (selectedTags.length === 0) {
     return users;
   }
@@ -39,7 +45,11 @@ function filterUsers(users, selectedTags, operator) {
   });
 }
 
-function useFilteredUsers(users, selectedTags, operator) {
+function useFilteredUsers(
+  users: User[],
+  selectedTags: TagType[],
+  operator: Operator,
+) {
   return useMemo(() => filterUsers(users, selectedTags, operator), [
     users,
     selectedTags,
@@ -49,11 +59,11 @@ function useFilteredUsers(users, selectedTags, operator) {
 
 const TagQueryStringKey = 'tags';
 
-function readSearchTags(search) {
-  return new URLSearchParams(search).getAll(TagQueryStringKey);
+function readSearchTags(search: string) {
+  return new URLSearchParams(search).getAll(TagQueryStringKey) as TagType[];
 }
 
-function replaceSearchTags(search, newTags) {
+function replaceSearchTags(search: string, newTags: TagType[]) {
   const searchParams = new URLSearchParams(search);
   searchParams.delete(TagQueryStringKey);
   newTags.forEach((tag) => searchParams.append(TagQueryStringKey, tag));
@@ -66,7 +76,7 @@ function useSelectedTags() {
   const {push} = useHistory();
 
   // On SSR / first mount (hydration) no tag is selected
-  const [selectedTags, setSelectedTags] = useState([]);
+  const [selectedTags, setSelectedTags] = useState<TagType[]>([]);
 
   // Sync tags from QS to state (delayed on purpose to avoid SSR/Client hydration mismatch)
   useEffect(() => {
@@ -76,7 +86,7 @@ function useSelectedTags() {
 
   // Update the QS value
   const toggleTag = useCallback(
-    (tag) => {
+    (tag: TagType) => {
       const tags = readSearchTags(location.search);
       const newTags = toggleListItem(tags, tag);
       const newSearch = replaceSearchTags(location.search, newTags);
@@ -106,7 +116,19 @@ function ShowcaseHeader() {
   );
 }
 
-function ShowcaseFilters({selectedTags, toggleTag, operator, setOperator}) {
+interface Props {
+  selectedTags: TagType[];
+  toggleTag: (tag: TagType) => void;
+  operator: Operator;
+  setOperator: (op: Operator) => void;
+}
+
+function ShowcaseFilters({
+  selectedTags,
+  toggleTag,
+  operator,
+  setOperator,
+}: Props) {
   return (
     <div className="margin-top--l margin-bottom--md container">
       <div className="row">
@@ -138,7 +160,7 @@ function ShowcaseFilters({selectedTags, toggleTag, operator, setOperator}) {
             name="operator"
             label="Filter: "
             value={operator}
-            onChange={(e) => setOperator(e.target.value)}>
+            onChange={(e) => setOperator(e.target.value as Operator)}>
             <option value="OR">OR</option>
             <option value="AND">AND</option>
           </ShowcaseSelect>
@@ -148,7 +170,7 @@ function ShowcaseFilters({selectedTags, toggleTag, operator, setOperator}) {
   );
 }
 
-function ShowcaseCards({filteredUsers}) {
+function ShowcaseCards({filteredUsers}: {filteredUsers: User[]}) {
   return (
     <section className="container margin-top--lg">
       <h2>
@@ -176,7 +198,7 @@ function ShowcaseCards({filteredUsers}) {
 
 function Showcase() {
   const {selectedTags, toggleTag} = useSelectedTags();
-  const [operator, setOperator] = useState('OR');
+  const [operator, setOperator] = useState<Operator>('OR');
   const filteredUsers = useFilteredUsers(SortedUsers, selectedTags, operator);
   return (
     <Layout title={TITLE} description={DESCRIPTION}>

website/src/pages/versions.tsx

@@ -17,14 +17,16 @@ import VersionsArchived from '@site/versionsArchived.json';
 const VersionsArchivedList = Object.entries(VersionsArchived);
 
 function Version() {
-  const {siteConfig} = useDocusaurusContext();
+  const {
+    siteConfig: {organizationName, projectName},
+  } = useDocusaurusContext();
   const versions = useVersions();
   const latestVersion = useLatestVersion();
   const currentVersion = versions.find((version) => version.name === 'current');
   const pastVersions = versions.filter(
     (version) => version !== latestVersion && version.name !== 'current',
   );
-  const repoUrl = `https://github.com/${siteConfig.organizationName}/${siteConfig.projectName}`;
+  const repoUrl = `https://github.com/${organizationName}/${projectName}`;
 
   return (
     <Layout
@@ -77,7 +79,7 @@ function Version() {
           </div>
         )}
 
-        {(pastVersions.length > 0 || VersionsArchived.length > 0) && (
+        {(pastVersions.length > 0 || VersionsArchivedList.length > 0) && (
           <div className="margin-bottom--lg">
             <h3 id="archive">Past versions (Not maintained anymore)</h3>
             <p>

website/src/theme/ReactLiveScope/components.tsx

@@ -1,6 +1,6 @@
-import React from 'react';
+import React, {ComponentProps} from 'react';
 
-export const ButtonExample = (props) => (
+export const ButtonExample = (props: ComponentProps<'button'>) => (
   <button
     {...props}
     style={{

website/src/types.d.ts

@@ -1,10 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-// eslint-disable-next-line spaced-comment
-/// <reference types="@docusaurus/module-type-aliases" />
-/// <reference types="@docusaurus/theme-classic" />

website/src/utils/jsUtils.ts

@@ -1,12 +1,12 @@
 // Inspired by https://github.com/you-dont-need/You-Dont-Need-Lodash-Underscore#_difference
-export function difference(...arrays) {
+export function difference<T>(...arrays: T[][]) {
   return arrays.reduce((a, b) => a.filter((c) => !b.includes(c)));
 }
 
 // Inspired by https://github.com/you-dont-need/You-Dont-Need-Lodash-Underscore#_sortby-and-_orderby
-export function sortBy(array, getter) {
-  function compareBy(getter) {
-    return (a, b) =>
+export function sortBy<T>(array: T[], getter: (item: T) => unknown) {
+  function compareBy(getter: (item: T) => unknown) {
+    return (a: T, b: T) =>
       getter(a) > getter(b) ? 1 : getter(b) > getter(a) ? -1 : 0;
   }
 
@@ -15,7 +15,7 @@ export function sortBy(array, getter) {
   return sortedArray;
 }
 
-export function toggleListItem(list, item) {
+export function toggleListItem<T>(list: T[], item: T) {
   const itemIndex = list.indexOf(item);
   if (itemIndex === -1) {
     return list.concat(item);

website/tsconfig.json

@@ -1,12 +1,11 @@
 {
   // This file is not used in compilation. It is here just for a nice editor experience.
+  "extends": "@tsconfig/docusaurus/tsconfig.json",
   "compilerOptions": {
-    "allowJs": true,
-    "esModuleInterop": true,
-    "jsx": "react",
-    "lib": ["DOM"],
-    "noEmit": true,
-    "noImplicitAny": false
+    "paths": {
+      "@site/*": ["./*"]
+    },
+    "resolveJsonModule": true
   },
   "include": ["src/"]
 }