Migrate to Biome (#1322)

* migrate to Biome

* package updates

* ci fix

* typing fix

.eslintrc.json

@@ -1,3 +0,0 @@
-{
-  "extends": "next/core-web-vitals"
-}

.github/workflows/ci.yml

@@ -15,6 +15,23 @@ env:
   NEXT_PUBLIC_UMAMI_WEBSITE_ID: ${{ secrets.NEXT_PUBLIC_UMAMI_WEBSITE_ID }}
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      - run: npm ci
+      - run: npm run prebuild
+      - run: npm run lint
+      - run: npm run typecheck
+
   test:
     runs-on: ubuntu-latest
 
@@ -28,6 +45,7 @@ jobs:
           cache: 'npm'
 
       - run: npm ci
+      - run: npm run prebuild
       - run: npm test
 
       - uses: actions/upload-artifact@v4

.prettierrc

@@ -1,19 +0,0 @@
-{
-  "semi": false,
-  "singleQuote": true,
-  "trailingComma": "none",
-  "tabWidth": 2,
-  "endOfLine": "lf",
-  "plugins": ["@trivago/prettier-plugin-sort-imports"],
-  "importOrder": [
-    "^(react/(.*)$)|^(react$)",
-    "^(next/(.*)$)|^(next$)",
-    "<THIRD_PARTY_MODULES>",
-    "^(@/(.*)$)|^(@$)",
-    "^(@content/(.*)$)|^(@content$)",
-    "^(@generated/(.*)$)|^(@generated$)",
-    "^[./]"
-  ],
-  "importOrderSeparation": false,
-  "importOrderSortSpecifiers": true
-}

.stylelintrc

@@ -1,5 +0,0 @@
-{
-  "extends": [
-    "stylelint-prettier/recommended"
-  ]
-}

README.md

@@ -104,8 +104,8 @@ If you want to know how, have a look at the respective component:
 All SVG assets will be converted to React components with the help of [@svgr/webpack](https://react-svgr.com). Makes use of [SVGR](https://github.com/smooth-code/svgr) so SVG assets can be imported like so:
 
 ```js
-import Logo from './images/logo.svg'
-return <Logo />
+import Logo from "./images/logo.svg";
+return <Logo />;
 ```
 
 ## 🤓 Scripts
@@ -159,18 +159,12 @@ npm run dev
 
 ### 🔮 Linting
 
-ESLint, Prettier, and Stylelint are setup for all linting purposes:
+[Biome](https://biomejs.dev) is setup for all linting and formatting purposes:
 
 ```bash
 npm run lint
 ```
 
-To automatically format all code files:
-
-```bash
-npm run format
-```
-
 ### 👩‍🔬 Testing
 
 Test suite is setup with [Jest](https://jestjs.io) and [react-testing-library](https://github.com/kentcdodds/react-testing-library).

biome.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2
+  },
+  "linter": { "enabled": true, "rules": { "recommended": true } },
+  "organizeImports": { "enabled": true },
+  "javascript": {
+    "formatter": {
+      "jsxQuoteStyle": "double",
+      "quoteProperties": "asNeeded",
+      "trailingCommas": "none",
+      "semicolons": "asNeeded",
+      "arrowParentheses": "always",
+      "bracketSpacing": true,
+      "bracketSameLine": false,
+      "quoteStyle": "single",
+      "attributePosition": "auto"
+    }
+  }
+}

next.config.js

@@ -40,6 +40,13 @@ const next = (phase, { defaultConfig }) => {
       return typeof defaultConfig.webpack === 'function'
         ? defaultConfig.webpack(config, options)
         : config
+    },
+
+    eslint: {
+      // Using Biome instead of ESLint,
+      // sadly Next.js doesn't have a way to disable ESLint
+      // see https://github.com/vercel/next.js/discussions/59347
+      ignoreDuringBuilds: true
     }
   }
 

package.json

@@ -13,12 +13,9 @@
     "start": "next start",
     "export": "npm run prebuild && next export",
     "typecheck": "tsc",
-    "lint:js": "next lint",
-    "lint:css": "stylelint ./src/**/*.css",
-    "lint": "npm run lint:js && npm run lint:css",
-    "format": "prettier --write 'src/**/*.{ts,tsx,css}'",
+    "lint": "biome check --write src/**/*",
     "jest": "jest --coverage -c tests/jest.config.js",
-    "test": "NODE_ENV=test npm run prebuild && npm run lint && npm run typecheck && npm run jest",
+    "test": "NODE_ENV=test npm run jest",
     "new": "node --import tsx/esm ./scripts/new.ts",
     "favicon": "node --import tsx/esm ./scripts/favicon.ts",
     "prebuild": "node --import tsx/esm ./scripts/prebuild.ts"
@@ -28,9 +25,9 @@
     "@radix-ui/react-select": "^2.1.1",
     "@yaireo/relative-time": "^1.0.4",
     "file-saver": "^2.0.5",
-    "framer-motion": "^11.2.11",
-    "lucide-react": "^0.399.0",
-    "next": "14.2.4",
+    "framer-motion": "^11.3.17",
+    "lucide-react": "^0.416.0",
+    "next": "14.2.5",
     "next-themes": "^0.3.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
@@ -39,37 +36,27 @@
     "remark-html": "^16.0.1"
   },
   "devDependencies": {
+    "@biomejs/biome": "1.8.3",
     "@svgr/webpack": "^8.1.0",
-    "@testing-library/jest-dom": "^6.4.6",
+    "@testing-library/jest-dom": "^6.4.8",
     "@testing-library/react": "^16.0.0",
-    "@trivago/prettier-plugin-sort-imports": "^4.3.0",
     "@types/file-saver": "^2.0.7",
     "@types/jest": "^29.5.12",
     "@types/js-yaml": "^4.0.9",
     "chalk": "^5.3.0",
-    "eslint": "^8.57.0",
-    "eslint-config-next": "^14.2.4",
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
     "jest-fetch-mock": "^3.0.3",
     "js-yaml": "^4.1.0",
     "ora": "^8.0.1",
-    "prettier": "^3.3.2",
     "sharp": "^0.33.4",
     "sharp-ico": "^0.1.5",
     "slugify": "^1.6.6",
-    "stylelint": "^16.6.1",
-    "stylelint-prettier": "^5.0.0",
-    "tsx": "^4.16.0",
-    "typescript": "^5.5.2"
+    "tsx": "^4.16.2",
+    "typescript": "^5.5.4"
   },
   "engines": {
     "node": "^20.6.0"
   },
-  "browserslist": [
-    "> 0.2%",
-    "last 3 versions",
-    "Firefox ESR",
-    "not dead"
-  ]
+  "browserslist": ["> 0.2%", "last 3 versions", "Firefox ESR", "not dead"]
 }

public/manifest/manifest.webmanifest

@@ -1 +1,18 @@
-{"name":"matthias kretschmann","short_name":"mk","display":"standalone","start_url":"/?homescreen=1","icons":[{"src":"/manifest/favicon-192.png","type":"image/png","sizes":"192x192"},{"src":"/manifest/favicon-512.png","type":"image/png","sizes":"512x512"}]}
+{
+  "name": "matthias kretschmann",
+  "short_name": "mk",
+  "display": "standalone",
+  "start_url": "/?homescreen=1",
+  "icons": [
+    {
+      "src": "/manifest/favicon-192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "/manifest/favicon-512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ]
+}

public/sw.js

@@ -1,15 +1,13 @@
 // https://github.com/NekR/self-destroying-sw
-self.addEventListener('install', function (e) {
+self.addEventListener('install', (e) => {
   self.skipWaiting()
 })
 
-self.addEventListener('activate', function (e) {
+self.addEventListener('activate', (e) => {
   self.registration
     .unregister()
-    .then(function () {
-      return self.clients.matchAll()
-    })
-    .then(function (clients) {
+    .then(() => self.clients.matchAll())
+    .then((clients) => {
       clients.forEach((client) => client.navigate(client.url))
     })
 })

scripts/content/generateProjects.ts

@@ -1,8 +1,8 @@
-import fs from 'fs'
+import fs from 'node:fs'
+import path from 'node:path'
+import type { ProjectType } from '@/types/project'
 import yaml from 'js-yaml'
 import ora from 'ora'
-import path from 'path'
-import type ProjectType from '@/types/project'
 import { transformProject } from './transformProject'
 
 const contentDirectory = path.join(process.cwd(), '_content')

scripts/content/images.ts

@@ -1,7 +1,7 @@
-import fs from 'fs'
-import { join } from 'path'
+import fs from 'node:fs'
+import { join } from 'node:path'
+import type { ImageType } from '@/types/image'
 import sharp from 'sharp'
-import type ImageType from '@/types/image'
 import { rgbDataURL } from './rgbDataURL'
 
 const imagesDirectory = join(process.cwd(), 'public', 'images')

scripts/content/transformProject.ts

@@ -1,4 +1,4 @@
-import ProjectType from '@/types/project'
+import type { ProjectType } from '@/types/project'
 import { getProjectImages } from './images'
 import { markdownToHtml } from './markdown'
 

scripts/new.ts

@@ -1,7 +1,7 @@
 #!/usr/bin/env ts-node
 import fs from 'fs'
-import ora from 'ora'
 import path from 'path'
+import ora from 'ora'
 import slugify from 'slugify'
 
 const templatePath = path.join(process.cwd(), 'scripts', 'new.yml')

src/app/[slug]/page.tsx

@@ -1,5 +1,3 @@
-import { Metadata } from 'next'
-import { notFound } from 'next/navigation'
 import Header from '@/components/Header/Header'
 import Project from '@/components/Project'
 import ProjectNav from '@/components/ProjectNav'
@@ -7,6 +5,8 @@ import { getAllSlugs } from '@/lib/getAllSlugs'
 import { getProjectBySlug } from '@/lib/getProjectBySlug'
 import meta from '@content/meta.json'
 import projects from '@generated/projects.json'
+import type { Metadata } from 'next'
+import { notFound } from 'next/navigation'
 
 type Props = {
   params: { slug: string }
@@ -21,10 +21,10 @@ export async function generateMetadata({ params }: Props): Promise<Metadata> {
     description: `${project.description.slice(0, 157)}...`,
     metadataBase: new URL(meta.url),
     alternates: {
-      canonical: '/' + project.slug
+      canonical: `/${project.slug}`
     },
     openGraph: {
-      url: '/' + project.slug,
+      url: `/${project.slug}`,
       images: [{ url: project.images[0].src }]
     }
   }

src/app/__tests__/[slug].test.tsx

@@ -1,5 +1,5 @@
-import { render } from '@testing-library/react'
 import meta from '@content/meta.json'
+import { render } from '@testing-library/react'
 import projectMock from '../../../tests/__fixtures__/project.json'
 import Page, { generateMetadata, generateStaticParams } from '../[slug]/page'
 
@@ -31,10 +31,10 @@ describe('app: [slug]/page', () => {
       description: `${projectMock.description.slice(0, 157)}...`,
       metadataBase: new URL(meta.url),
       alternates: {
-        canonical: '/' + projectMock.slug
+        canonical: `/${projectMock.slug}`
       },
       openGraph: {
-        url: '/' + projectMock.slug,
+        url: `/${projectMock.slug}`,
         images: [{ url: projectMock.images[0].src }]
       }
     })

src/app/__tests__/layout.test.tsx

@@ -5,10 +5,10 @@ describe('app: /layout', () => {
   // suppress error "Warning: validateDOMNesting(...): <html> cannot appear as a child of <div>"
   // https://github.com/testing-library/react-testing-library/issues/1250
   let originalError: {
-    (...data: any[]): void
-    (message?: any, ...optionalParams: any[]): void
-    (...data: any[]): void
-    (message?: any, ...optionalParams: any[]): void
+    (...data: unknown[]): void
+    (message?: unknown, ...optionalParams: unknown[]): void
+    (...data: unknown[]): void
+    (message?: unknown, ...optionalParams: unknown[]): void
   }
 
   beforeAll(() => {

src/app/layout.tsx

@@ -1,10 +1,10 @@
-import { ReactNode } from 'react'
-import { Metadata, Viewport } from 'next'
-import Script from 'next/script'
 import Footer from '@/components/Footer'
 import HostnameCheck from '@/components/HostnameCheck'
 import ThemeSwitch from '@/components/ThemeSwitch'
 import { UMAMI_SCRIPT_URL, UMAMI_WEBSITE_ID } from '@/lib/umami'
+import type { Metadata, Viewport } from 'next'
+import Script from 'next/script'
+import type { ReactNode } from 'react'
 import '@/styles/global.css'
 import styles from '@/styles/layout.module.css'
 import meta from '@content/meta.json'
@@ -50,7 +50,7 @@ export default function RootLayout({ children }: { children: ReactNode }) {
         <link rel="icon" href="/favicon.ico" sizes="any" />
         <link rel="icon" href="/favicon.svg" type="image/svg+xml" />
         <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
-        <link rel="manifest" href="/manifest/manifest.webmanifest"></link>
+        <link rel="manifest" href="/manifest/manifest.webmanifest" />
 
         {isProduction && (
           <Script

src/app/not-found.tsx

@@ -1,8 +1,8 @@
-import { Metadata } from 'next'
 import NotFound from '@/components/404'
+import type { Metadata } from 'next'
 
 export const metadata: Metadata = {
-  title: `Shenanigans`,
+  title: 'Shenanigans',
   description: 'Page not found.'
 }
 

src/app/page.tsx

@@ -1,10 +1,10 @@
-import { Suspense } from 'react'
 import Hero from '@/components/Hero'
 import Projects from '@/components/Projects'
 import Repositories from '@/components/Repositories/Repositories'
 import { preloadLocation } from '@/lib/getLocation'
 import { getRepos } from '@/lib/getRepos'
 import projects from '@generated/projects.json'
+import { Suspense } from 'react'
 
 export default async function IndexPage() {
   const repos = await getRepos()

src/components/404/index.test.tsx

@@ -1,5 +1,5 @@
-import { fireEvent, render, screen } from '@testing-library/react'
 import NotFoundPage from '@/components/404'
+import { fireEvent, render, screen } from '@testing-library/react'
 import mockData from '../../../tests/__fixtures__/giphy.json'
 
 describe('NotFoundPage', () => {

src/components/404/index.tsx

@@ -1,9 +1,9 @@
 'use client'
 
-import { MouseEvent, useEffect, useState } from 'react'
+import { getRandomGif } from '@/lib/getRandomGif'
 import Link from 'next/link'
 import { usePathname } from 'next/navigation'
-import { getRandomGif } from '@/lib/getRandomGif'
+import { type MouseEvent, useEffect, useState } from 'react'
 import Button from '../Button'
 import styles from './index.module.css'
 
@@ -36,13 +36,9 @@ export default function NotFound() {
         {tag} gifs, entirely your choice.
       </p>
 
-      <video
-        className="gif"
-        src={gif}
-        data-testid={gif || null}
-        autoPlay
-        loop
-      />
+      <video className="gif" src={gif} data-testid={gif || null} autoPlay loop>
+        <track kind="captions" srcLang="en" label="English" />
+      </video>
 
       <div>
         <Button onClick={handleClick}>{`Get another '${tag}' gif`}</Button>

src/components/Availability/index.tsx

@@ -10,6 +10,7 @@ export default function Availability() {
 
   return (
     <section className={className}>
+      {/* biome-ignore lint/security/noDangerouslySetInnerHtml: nothing injected on run time */}
       <p dangerouslySetInnerHTML={{ __html: html }} />
     </section>
   )

src/components/Icon/index.tsx

@@ -1,3 +1,5 @@
+import Farcaster from '@/images/farcaster.svg'
+import Mastodon from '@/images/mastodon.svg'
 // https://lucide.dev
 import {
   ArrowDownCircle,
@@ -16,8 +18,6 @@ import {
   Star,
   Sun
 } from 'lucide-react'
-import Farcaster from '@/images/farcaster.svg'
-import Mastodon from '@/images/mastodon.svg'
 import styles from './index.module.css'
 
 type Props = React.SVGAttributes<{

src/components/Location/Location.tsx

@@ -1,13 +1,13 @@
 'use client'
 
-import { useEffect, useState, useTransition } from 'react'
+import { getLocation } from '@/lib/getLocation'
 import RelativeTime from '@yaireo/relative-time'
 import { LazyMotion, domAnimation, m, useReducedMotion } from 'framer-motion'
-import { getLocation } from '@/lib/getLocation'
+import { useEffect, useState, useTransition } from 'react'
 import { fadeIn, getAnimationProps } from '../Transitions'
 import { Flag } from './Flag'
 import styles from './Location.module.css'
-import { UseLocation } from './types'
+import type { UseLocation } from './types'
 
 function Animation({ children }: { children: React.ReactNode }) {
   const shouldReduceMotion = useReducedMotion()

src/components/LogoUnit/index.tsx

@@ -1,6 +1,6 @@
-import Link from 'next/link'
 import Logo from '@/images/logo.svg'
 import meta from '@content/meta.json'
+import Link from 'next/link'
 import styles from './index.module.css'
 
 type Props = {

src/components/Networks/index.tsx

@@ -1,7 +1,7 @@
 'use client'
 
-import { LazyMotion, domAnimation, m, useReducedMotion } from 'framer-motion'
 import meta from '@content/meta.json'
+import { LazyMotion, domAnimation, m, useReducedMotion } from 'framer-motion'
 import { getAnimationProps } from '../Transitions'
 import { NetworkLink } from './NetworkLink'
 import styles from './index.module.css'

src/components/Project/Links/index.tsx

@@ -1,11 +1,12 @@
 import Button from '@/components/Button'
 import Icon from '@/components/Icon'
+import type { ProjectLink } from '@/types'
 import styles from './index.module.css'
 
 export default function ProjectLinks({
   links
 }: {
-  links: { title: string; url: string; icon: string }[]
+  links: ProjectLink[]
 }) {
   return (
     <div className={styles.projectLinks}>

src/components/Project/index.tsx

@@ -1,8 +1,7 @@
 'use client'
 
+import type { ImageType, ProjectType } from '@/types'
 import { LazyMotion, domAnimation, m, useReducedMotion } from 'framer-motion'
-import type ImageType from '@/types/image'
-import type ProjectType from '@/types/project'
 import ProjectImage from '../ProjectImage'
 import { getAnimationProps, moveInBottom } from '../Transitions'
 import ProjectLinks from './Links'
@@ -41,6 +40,7 @@ export default function Project({
           <m.div
             variants={moveInBottom}
             className={styles.description}
+            // biome-ignore lint/security/noDangerouslySetInnerHtml: <explanation>
             dangerouslySetInnerHTML={{ __html: descriptionHtml ?? '' }}
           />
         </m.header>
@@ -51,7 +51,7 @@ export default function Project({
           className={styles.fullContainer}
           image={image}
           alt={`Showcase image no. ${i + 1} for ${title}`}
-          key={i}
+          key={image.src}
           sizes="100vw"
         />
       ))}

src/components/ProjectImage/index.test.tsx

@@ -1,6 +1,7 @@
+import type { ImageType } from '@/types'
 import { render, screen } from '@testing-library/react'
+import project from '@tests/__fixtures__/project.json'
 import ProjectImage from '.'
-import project from '../../../tests/__fixtures__/project.json'
 
 describe('ProjectImage', () => {
   it('renders correctly', async () => {
@@ -17,7 +18,11 @@ describe('ProjectImage', () => {
 
   it('returns without errors without image', async () => {
     render(
-      <ProjectImage image={null as any} alt={project.title} sizes="100vw" />
+      <ProjectImage
+        image={null as unknown as ImageType}
+        alt={project.title}
+        sizes="100vw"
+      />
     )
   })
 })

src/components/ProjectImage/index.tsx

@@ -1,5 +1,5 @@
+import type { ImageType } from '@/types'
 import Image from 'next/image'
-import ImageType from '@/types/image'
 import styles from './index.module.css'
 
 export default function ProjectImage({

src/components/ProjectNav/Project.tsx

@@ -1,6 +1,6 @@
-import { ForwardedRef, forwardRef } from 'react'
 import Link from 'next/link'
-import ProjectType from '../../types/project'
+import { type ForwardedRef, forwardRef } from 'react'
+import type { ProjectType } from '../../types/project'
 import ProjectImage from '../ProjectImage'
 import styles from './index.module.css'
 

src/components/ProjectNav/index.tsx

@@ -1,7 +1,7 @@
 'use client'
 
+import type { ProjectType } from '@/types'
 import { createRef, useEffect } from 'react'
-import ProjectType from '@/types/project'
 import { Project } from './Project'
 import styles from './index.module.css'
 
@@ -22,7 +22,7 @@ export default function ProjectNav({ projects, currentSlug }: Props) {
 
       const activeItem = currentItem.current
       const scrollRect = scrollContainer.current.getBoundingClientRect()
-      const activeRect = activeItem && activeItem.getBoundingClientRect()
+      const activeRect = activeItem?.getBoundingClientRect()
       if (!activeItem || !scrollRect || !activeRect) return
 
       const newScrollLeftPosition =

src/components/ProjectPreview/index.tsx

@@ -1,5 +1,5 @@
+import type { ImageType } from '@/types'
 import Link from 'next/link'
-import ImageType from '../../types/image'
 import ProjectImage from '../ProjectImage'
 import styles from './index.module.css'
 

src/components/Projects/index.tsx

@@ -1,4 +1,4 @@
-import ProjectType from '@/types/project'
+import type { ProjectType } from '@/types/project'
 import ProjectPreview from '../ProjectPreview'
 import styles from './index.module.css'
 

src/components/Repositories/Repositories.test.tsx

@@ -1,7 +1,7 @@
+import type { Repo } from '@/types/repo'
 import { render } from '@testing-library/react'
-import Repo from '@/types/repo'
+import repos from '@tests/__fixtures__/repos.json'
 import Repositories from '.'
-import repos from '../../../tests/__fixtures__/repos.json'
 
 describe('Repositories', () => {
   it('renders correctly', () => {

src/components/Repositories/Repositories.tsx

@@ -1,4 +1,4 @@
-import Repo from '@/types/repo'
+import type { Repo } from '@/types'
 import Repository from '../Repository'
 import styles from './Repositories.module.css'
 
@@ -7,7 +7,9 @@ export default function Repositories({ repos }: { repos: Repo[] | undefined }) {
     <>
       <h2 className={styles.sectionTitle}>Open Source Projects</h2>
       <div className={styles.repos}>
-        {repos?.map((repo) => <Repository key={repo.name} repo={repo} />)}
+        {repos?.map((repo) => (
+          <Repository key={repo.name} repo={repo} />
+        ))}
       </div>
     </>
   )

src/components/Repository/index.test.tsx

@@ -1,7 +1,7 @@
+import type { Repo } from '@/types/repo'
 import { render } from '@testing-library/react'
-import Repo from '@/types/repo'
+import repos from '@tests/__fixtures__/repos.json'
 import Repository from '.'
-import repos from '../../../tests/__fixtures__/repos.json'
 
 describe('Repository', () => {
   it('renders correctly', () => {

src/components/Repository/index.tsx

@@ -1,4 +1,4 @@
-import Repo from '@/types/repo'
+import type { Repo } from '@/types'
 import Icon from '../Icon'
 import styles from './index.module.css'
 

src/components/ThemeSwitch/index.tsx

@@ -1,9 +1,9 @@
 'use client'
 
-import { useEffect, useState } from 'react'
+import Icon from '@/components/Icon'
 import * as Select from '@radix-ui/react-select'
 import { useTheme } from 'next-themes'
-import Icon from '../Icon'
+import { useEffect, useState } from 'react'
 import { Item } from './Item'
 import styles from './index.module.css'
 
@@ -45,7 +45,7 @@ export default function ThemeSwitch() {
               <Select.Arrow className={styles.arrow} width={14} height={7} />
               <Select.Viewport className={styles.viewport}>
                 {themes
-                  .map((theme) => <Item key={theme} theme={theme}></Item>)
+                  .map((theme) => <Item key={theme} theme={theme} />)
                   .reverse()}
               </Select.Viewport>
             </Select.Content>

src/components/Vcard/_utils.ts

@@ -1,6 +1,6 @@
-import saveAs from 'file-saver'
 import avatar from '@/images/avatar.jpg'
 import meta from '@content/meta.json'
+import saveAs from 'file-saver'
 import { imageToDataUrl } from './imageToDataUrl'
 
 export function constructVcard(dataUrl: string) {

src/components/Vcard/imageToDataUrl.test.ts

@@ -1,4 +1,4 @@
-import fetch, { FetchMock } from 'jest-fetch-mock'
+import fetch, { type FetchMock } from 'jest-fetch-mock'
 import { imageToDataUrl } from './imageToDataUrl'
 
 const dummyPath = 'http://example.com/image.png'
@@ -23,6 +23,7 @@ describe('imageToDataUrl', () => {
   })
 
   it('should convert image to data URL', async () => {
+    // biome-ignore lint/suspicious/noExplicitAny: not worth it for mocking
     function MockFileReader(this: any) {
       this.readAsDataURL = function () {
         this.result = 'data:image/png;base64,...'
@@ -30,7 +31,7 @@ describe('imageToDataUrl', () => {
       }
     }
 
-    window.FileReader = MockFileReader as any
+    window.FileReader = MockFileReader as unknown as typeof FileReader
 
     const dataUrl = await imageToDataUrl(dummyPath)
 
@@ -39,12 +40,12 @@ describe('imageToDataUrl', () => {
 
   it('should handle errors in readAsDataURL', async () => {
     function MockFileReader(this: FileReader) {
-      this.readAsDataURL = function () {
+      this.readAsDataURL = () => {
         throw new Error('Mock error')
       }
     }
 
-    window.FileReader = MockFileReader as any
+    window.FileReader = MockFileReader as unknown as typeof FileReader
 
     // Expect imageToDataUrl to reject with the mock error
     await expect(imageToDataUrl(dummyPath)).rejects.toThrow('Mock error')

src/components/Vcard/index.tsx

@@ -1,7 +1,7 @@
 'use client'
 
-import { MouseEvent } from 'react'
 import meta from '@content/meta.json'
+import type { MouseEvent } from 'react'
 
 export default function Vcard() {
   const handleAddressbookClick = (e: MouseEvent) => {

src/lib/getRandomGif.ts

@@ -1,7 +1,7 @@
 'use server'
 
-import { revalidatePath } from 'next/cache'
 import { GiphyFetch } from '@giphy/js-fetch-api'
+import { revalidatePath } from 'next/cache'
 
 export async function getRandomGif(tag: string, pathname?: string) {
   try {

src/lib/getRepos.test.ts

@@ -1,11 +1,10 @@
-import * as React from 'react'
-import fetch, { FetchMock } from 'jest-fetch-mock'
 import repoFilter from '@content/repos.json'
+import fetch, { type FetchMock } from 'jest-fetch-mock'
 import { getRepos } from './getRepos'
 
 jest.mock('react', () => ({
   ...jest.requireActual('react'),
-  cache: (fn: any) => fn
+  cache: (fn: () => void) => fn
 }))
 
 describe('getRepos', () => {
@@ -33,8 +32,9 @@ describe('getRepos', () => {
   })
 
   it('should handle network errors', async () => {
-    let consoleErrorMock: jest.SpyInstance
-    consoleErrorMock = jest.spyOn(console, 'error').mockImplementation(() => {})
+    const consoleErrorMock: jest.SpyInstance = jest
+      .spyOn(console, 'error')
+      .mockImplementation(() => {})
     ;(fetch as FetchMock).mockRejectOnce(new Error('Network error'))
 
     const data = await getRepos()

src/lib/getRepos.ts

@@ -1,8 +1,8 @@
 'use server'
 
-import { cache } from 'react'
-import type Repo from '@/types/repo'
+import type { Repo } from '@/types'
 import filter from '@content/repos.json'
+import { cache } from 'react'
 
 //
 // Get GitHub repos
@@ -22,7 +22,7 @@ export const getRepos = cache(async () => {
   try {
     let repos: Repo[] = []
 
-    for (let item of filter) {
+    for (const item of filter) {
       const user = item.split('/')[0]
       const repoName = item.split('/')[1]
       const response = await fetch(

src/types/image.ts

@@ -1,9 +1,7 @@
-declare type ImageType = {
+export declare type ImageType = {
   src: string
   width?: number
   height?: number
   format?: string
   blurDataURL?: string
 }
-
-export default ImageType

src/types/index.ts

@@ -0,0 +1,3 @@
+export * from './image'
+export * from './project'
+export * from './repo'

src/types/project.ts

@@ -1,13 +1,17 @@
-import ImageType from './image'
+import type { ImageType } from './image'
 
-declare type ProjectType = {
+export declare type ProjectLink = {
+  title: string
+  url: string
+  icon?: string
+}
+
+export declare type ProjectType = {
   images: ImageType[]
   slug: string
   title: string
   description: string
   descriptionHtml: string
   techstack: string[]
-  links?: any
+  links?: ProjectLink[]
 }
-
-export default ProjectType

src/types/repo.ts

@@ -1,4 +1,4 @@
-declare type Repo = {
+export declare type Repo = {
   name: string
   full_name: string
   description: string
@@ -7,5 +7,3 @@ declare type Repo = {
   stargazers_count: number
   pushed_at: string
 }
-
-export default Repo

src/types/umami.d.ts

@@ -1,17 +1,23 @@
 declare global {
   interface Window {
-    umami?: (eventName: string) => void | {
+    umami?: (eventName: string) =>
+      | undefined
+      | {
           trackEvent: (
             event_name: string,
             event_data?: { [key: string]: string },
             url?: string,
             website_id?: string
           ) => void
-      trackView: (url: string, referrer?: string, website_id?: string) => void
+          trackView: (
+            url: string,
+            referrer?: string,
+            website_id?: string
+          ) => void
         }
   }
 }
 
 window.umami = window.umami || {}
 
-export {}
+export type {}

src/types/yaml.d.ts

@@ -1,4 +1,5 @@
 declare module '*.yml' {
+  // biome-ignore lint/suspicious/noExplicitAny: could be any data
   const data: any
   export default data
 }

tests/__mocks__/svgr-mock.tsx

@@ -1,4 +1,4 @@
-import { SVGProps, forwardRef } from 'react'
+import { type SVGProps, forwardRef } from 'react'
 
 const SvgrMock = forwardRef<SVGSVGElement, SVGProps<SVGSVGElement>>(
   (props, ref) => <svg ref={ref} {...props} />

tsconfig.json

@@ -17,6 +17,7 @@
     "plugins": [{ "name": "next" }],
     "paths": {
       "@/*": ["./src/*"],
+      "@tests/*": ["./tests/*"],
       "@content/*": ["./_content/*"],
       "@generated/*": ["./generated/*"]
     }