add CI lint and deploy on froggit pages

.eslintignore

+# Production
+/build

.eslintrc.json

+{
+    "env": {
+        "es2021": true,
+        "node": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:react/recommended"
+    ],
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "ecmaVersion": 12,
+        "sourceType": "module"
+    },
+    "plugins": [
+        "react"
+    ],
+    "rules": {
+        "indent": [
+            "error",
+            2
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "double"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ]
+    },
+    "settings": {
+        "react": {
+          "createClass": "createReactClass", // Regex for Component Factory to use,
+                                             // default to "createReactClass"
+          "pragma": "React",  // Pragma to use, default to "React"
+          "fragment": "Fragment",  // Fragment to use (may be a property of <pragma>), default to "Fragment"
+          "version": "detect", // React version. "detect" automatically picks the version you have installed.
+                               // You can also use `16.0`, `16.3`, etc, if you want to override the detected value.
+                               // default to latest and warns if missing
+                               // It will default to "detect" in the future
+          "flowVersion": "0.53" // Flow version
+        }}
+}

.gitlab-ci.yml

+image: node:14.17.1-slim
+
+stages:
+  - test
+  - build
+
+lint:
+  stage: test
+  tags:
+    - cache
+  script: 
+    - npm install
+    - npm run lint
+  cache:
+    key:
+      files:
+        - package.json
+    paths:
+      - node_modules
+
+pages:
+  stage: build
+  tags:
+    - cache
+  script:
+    - npm run build
+    - mv build public
+  artifacts:
+    paths:
+      - public
+  cache:
+    key:
+      files:
+        - package.json
+    paths:
+      - node_modules
+  only:
+    - master

.prettierignore

+.cache
+package.json
+package-lock.json
+public

.prettierrc

+{
+    "arrowParens": "avoid",
+    "semi": true,
+    "tabWidth": 2
+  }

babel.config.js

 module.exports = {
-  presets: [require.resolve('@docusaurus/core/lib/babel/preset')],
+  presets: [require.resolve("@docusaurus/core/lib/babel/preset")],
 };

docusaurus.config.js

-const lightCodeTheme = require('prism-react-renderer/themes/github');
-const darkCodeTheme = require('prism-react-renderer/themes/dracula');
+const lightCodeTheme = require("prism-react-renderer/themes/github");
+const darkCodeTheme = require("prism-react-renderer/themes/dracula");
 
 /** @type {import('@docusaurus/types').DocusaurusConfig} */
 module.exports = {
-  title: 'My Site',
-  tagline: 'Dinosaurs are cool',
-  url: 'https://your-docusaurus-test-site.com',
-  baseUrl: '/',
-  onBrokenLinks: 'throw',
-  onBrokenMarkdownLinks: 'warn',
-  favicon: 'img/favicon.ico',
-  organizationName: 'facebook', // Usually your GitHub org/user name.
-  projectName: 'docusaurus', // Usually your repo name.
+  title: "My Site",
+  tagline: "Dinosaurs are cool",
+  url: "https://your-docusaurus-test-site.com",
+  baseUrl: "/",
+  onBrokenLinks: "throw",
+  onBrokenMarkdownLinks: "warn",
+  favicon: "img/favicon.ico",
+  organizationName: "facebook", // Usually your GitHub org/user name.
+  projectName: "docusaurus", // Usually your repo name.
   themeConfig: {
     navbar: {
-      title: 'My Site',
+      title: "My Site",
       logo: {
-        alt: 'My Site Logo',
-        src: 'img/logo.svg',
+        alt: "My Site Logo",
+        src: "img/logo.svg",
       },
       items: [
         {
-          type: 'doc',
-          docId: 'intro',
-          position: 'left',
-          label: 'Tutorial',
+          type: "doc",
+          docId: "intro",
+          position: "left",
+          label: "Tutorial",
         },
-        {to: '/blog', label: 'Blog', position: 'left'},
+        {to: "/blog", label: "Blog", position: "left"},
         {
-          href: 'https://github.com/facebook/docusaurus',
-          label: 'GitHub',
-          position: 'right',
+          href: "https://github.com/facebook/docusaurus",
+          label: "GitHub",
+          position: "right",
         },
       ],
     },
     footer: {
-      style: 'dark',
+      style: "dark",
       links: [
         {
-          title: 'Docs',
+          title: "Docs",
           items: [
             {
-              label: 'Tutorial',
-              to: '/docs/intro',
+              label: "Tutorial",
+              to: "/docs/intro",
             },
           ],
         },
         {
-          title: 'Community',
+          title: "Community",
           items: [
             {
-              label: 'Stack Overflow',
-              href: 'https://stackoverflow.com/questions/tagged/docusaurus',
+              label: "Stack Overflow",
+              href: "https://stackoverflow.com/questions/tagged/docusaurus",
             },
             {
-              label: 'Discord',
-              href: 'https://discordapp.com/invite/docusaurus',
+              label: "Discord",
+              href: "https://discordapp.com/invite/docusaurus",
             },
             {
-              label: 'Twitter',
-              href: 'https://twitter.com/docusaurus',
+              label: "Twitter",
+              href: "https://twitter.com/docusaurus",
             },
           ],
         },
         {
-          title: 'More',
+          title: "More",
           items: [
             {
-              label: 'Blog',
-              to: '/blog',
+              label: "Blog",
+              to: "/blog",
             },
             {
-              label: 'GitHub',
-              href: 'https://github.com/facebook/docusaurus',
+              label: "GitHub",
+              href: "https://github.com/facebook/docusaurus",
             },
           ],
         },
@@ -86,22 +86,22 @@ module.exports = {
   },
   presets: [
     [
-      '@docusaurus/preset-classic',
+      "@docusaurus/preset-classic",
       {
         docs: {
-          sidebarPath: require.resolve('./sidebars.js'),
+          sidebarPath: require.resolve("./sidebars.js"),
           // Please change this to your repo.
           editUrl:
-            'https://github.com/facebook/docusaurus/edit/master/website/',
+            "https://github.com/facebook/docusaurus/edit/master/website/",
         },
         blog: {
           showReadingTime: true,
           // Please change this to your repo.
           editUrl:
-            'https://github.com/facebook/docusaurus/edit/master/website/blog/',
+            "https://github.com/facebook/docusaurus/edit/master/website/blog/",
         },
         theme: {
-          customCss: require.resolve('./src/css/custom.css'),
+          customCss: require.resolve("./src/css/custom.css"),
         },
       },
     ],

package.json

@@ -11,7 +11,9 @@
     "clear": "docusaurus clear",
     "serve": "docusaurus serve",
     "write-translations": "docusaurus write-translations",
-    "write-heading-ids": "docusaurus write-heading-ids"
+    "write-heading-ids": "docusaurus write-heading-ids",
+    "lint": "eslint .",
+    "lint-fix": "eslint . --fix"
   },
   "dependencies": {
     "@docusaurus/core": "2.0.0-beta.3",
@@ -36,5 +38,14 @@
       "last 1 firefox version",
       "last 1 safari version"
     ]
+  },
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^4.28.1",
+    "@typescript-eslint/parser": "^4.28.1",
+    "eslint": "^7.30.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-prettier": "^3.4.0",
+    "eslint-plugin-react": "^7.24.0",
+    "prettier": "^2.3.2"
   }
-}
+}
\ No newline at end of file

sidebars.js

@@ -11,7 +11,7 @@
 
 module.exports = {
   // By default, Docusaurus generates a sidebar from the docs folder structure
-  tutorialSidebar: [{type: 'autogenerated', dirName: '.'}],
+  tutorialSidebar: [{type: "autogenerated", dirName: "."}],
 
   // But you can create a sidebar manually
   /*

src/components/HomepageFeatures.js

-import React from 'react';
-import clsx from 'clsx';
-import styles from './HomepageFeatures.module.css';
+import React from "react";
+import clsx from "clsx";
+import styles from "./HomepageFeatures.module.css";
 
 const FeatureList = [
   {
-    title: 'Easy to Use',
-    Svg: require('../../static/img/undraw_docusaurus_mountain.svg').default,
+    title: "Easy to Use",
+    // eslint-disable-next-line
+		Svg: require("../../static/img/undraw_docusaurus_mountain.svg").default,
     description: (
       <>
         Docusaurus was designed from the ground up to be easily installed and
@@ -14,8 +15,9 @@ const FeatureList = [
     ),
   },
   {
-    title: 'Focus on What Matters',
-    Svg: require('../../static/img/undraw_docusaurus_tree.svg').default,
+    title: "Focus on What Matters",
+    // eslint-disable-next-line
+		Svg: require("../../static/img/undraw_docusaurus_tree.svg").default,
     description: (
       <>
         Docusaurus lets you focus on your docs, and we&apos;ll do the chores. Go
@@ -24,8 +26,10 @@ const FeatureList = [
     ),
   },
   {
-    title: 'Powered by React',
-    Svg: require('../../static/img/undraw_docusaurus_react.svg').default,
+    // eslint-disable-next-line
+		title: "Powered by React",
+    // eslint-disable-next-line
+		Svg: require("../../static/img/undraw_docusaurus_react.svg").default,
     description: (
       <>
         Extend or customize your website layout by reusing React. Docusaurus can
@@ -35,9 +39,10 @@ const FeatureList = [
   },
 ];
 
+// eslint-disable-next-line
 function Feature({Svg, title, description}) {
   return (
-    <div className={clsx('col col--4')}>
+    <div className={clsx("col col--4")}>
       <div className="text--center">
         <Svg className={styles.featureSvg} alt={title} />
       </div>

src/pages/index.js

-import React from 'react';
-import clsx from 'clsx';
-import Layout from '@theme/Layout';
-import Link from '@docusaurus/Link';
-import useDocusaurusContext from '@docusaurus/useDocusaurusContext';
-import styles from './index.module.css';
-import HomepageFeatures from '../components/HomepageFeatures';
+import React from "react";
+import clsx from "clsx";
+import Layout from "@theme/Layout";
+import Link from "@docusaurus/Link";
+import useDocusaurusContext from "@docusaurus/useDocusaurusContext";
+import styles from "./index.module.css";
+import HomepageFeatures from "../components/HomepageFeatures";
 
 function HomepageHeader() {
-  const {siteConfig} = useDocusaurusContext();
+  const { siteConfig } = useDocusaurusContext();
   return (
-    <header className={clsx('hero hero--primary', styles.heroBanner)}>
+    <header className={clsx("hero hero--primary", styles.heroBanner)}>
       <div className="container">
         <h1 className="hero__title">{siteConfig.title}</h1>
         <p className="hero__subtitle">{siteConfig.tagline}</p>
         <div className={styles.buttons}>
           <Link
             className="button button--secondary button--lg"
-            to="/docs/intro">
+            to="/docs/intro"
+          >
             Docusaurus Tutorial - 5min ⏱️
           </Link>
         </div>
@@ -26,11 +27,12 @@ function HomepageHeader() {
 }
 
 export default function Home() {
-  const {siteConfig} = useDocusaurusContext();
+  const { siteConfig } = useDocusaurusContext();
   return (
     <Layout
       title={`Hello from ${siteConfig.title}`}
-      description="Description will go into a meta tag in <head />">
+      description="Description will go into a meta tag in <head />"
+    >
       <HomepageHeader />
       <main>
         <HomepageFeatures />