chore: 🤖 Use Biome

.vscode/settings.json

@@ -0,0 +1,17 @@
+{
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "quickfix.biome": "explicit",
+    "source.organizeImports.biome": "explicit"
+  },
+  "editor.defaultFormatter": "biomejs.biome",
+  "[javascript]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[typescript]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[json]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  }
+}

__tests__/cli/cache/index.test.ts

@@ -1,4 +1,4 @@
-import path from 'path'
+import path from 'node:path'
 
 import fs from 'fs-extra'
 
@@ -43,9 +43,15 @@ describe('Cache', () => {
     let measuredError = 0
 
     const destDir = path.resolve(__dirname, 'results')
-    const cacheMeasurement = () => (measuredCache += 1)
-    const nonCacheMeasurement = () => (measuredNonCache += 1)
-    const errorMeasurement = () => (measuredError += 1)
+    const cacheMeasurement = () => {
+      measuredCache += 1
+    }
+    const nonCacheMeasurement = () => {
+      measuredNonCache += 1
+    }
+    const errorMeasurement = () => {
+      measuredError += 1
+    }
     const cliProgressBarIncrement = () => undefined
     const srcDir = path.resolve(__dirname, 'fixtures')
 

__tests__/cli/external-images/index.test.ts

@@ -1,4 +1,4 @@
-import path from 'path'
+import path from 'node:path'
 
 import fs from 'fs-extra'
 import { imageConfigDefault } from 'next/dist/shared/lib/image-config'
@@ -7,18 +7,21 @@ import { optimizeImages } from '../../../src/cli'
 
 const fixturesDir = path.resolve(__dirname, 'fixtures')
 
-beforeAll(async () => {
-  await fs.remove(fixturesDir)
-  await optimizeImages({
-    manifestJsonPath: path.resolve(__dirname, 'manifest.json'),
-    noCache: true,
-    terse: true,
-    config: {
-      outDir: '__tests__/cli/external-images/fixtures',
-    },
-    nextImageConfig: imageConfigDefault,
-  })
-}, 60 * 3 * 1000)
+beforeAll(
+  async () => {
+    await fs.remove(fixturesDir)
+    await optimizeImages({
+      manifestJsonPath: path.resolve(__dirname, 'manifest.json'),
+      noCache: true,
+      terse: true,
+      config: {
+        outDir: '__tests__/cli/external-images/fixtures',
+      },
+      nextImageConfig: imageConfigDefault,
+    })
+  },
+  60 * 3 * 1000
+)
 
 const exist = (filename: string) => fs.existsSync(path.join(fixturesDir, '_next/static/media', filename))
 

__tests__/cli/image-optimize/index.test.ts

@@ -1,21 +1,24 @@
-import path from 'path'
+import path from 'node:path'
 
 import fs from 'fs-extra'
 import { imageConfigDefault } from 'next/dist/shared/lib/image-config'
 
 import { optimizeImages } from '../../../src/cli'
 
-beforeAll(async () => {
-  await optimizeImages({
-    manifestJsonPath: path.resolve(__dirname, 'manifest.json'),
-    noCache: true,
-    terse: true,
-    config: {
-      outDir: '__tests__/cli/image-optimize/fixtures',
-    },
-    nextImageConfig: imageConfigDefault,
-  })
-}, 60 * 3 * 1000)
+beforeAll(
+  async () => {
+    await optimizeImages({
+      manifestJsonPath: path.resolve(__dirname, 'manifest.json'),
+      noCache: true,
+      terse: true,
+      config: {
+        outDir: '__tests__/cli/image-optimize/fixtures',
+      },
+      nextImageConfig: imageConfigDefault,
+    })
+  },
+  60 * 3 * 1000
+)
 
 const exist = (filename: string) => fs.existsSync(path.resolve(__dirname, 'fixtures/results/images', filename))
 

__tests__/e2e-build/index.test.ts

@@ -1,4 +1,4 @@
-import path from 'path'
+import path from 'node:path'
 
 import fs from 'fs-extra'
 import { imageConfigDefault } from 'next/dist/shared/lib/image-config'
@@ -23,18 +23,17 @@ const files = [
 
 describe('`next build && next export && next-export-optimize-images` is executed correctly', () => {
   test('Images are being generated.', async () => {
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
     const customConfig = require('./next.config.js')
     const configImages = { ...imageConfigDefault, ...customConfig.images }
     const allSizes = [...configImages.imageSizes, ...configImages.deviceSizes]
-    allSizes.forEach((size) => {
-      files.forEach((file) => {
+    for (const size of allSizes) {
+      for (const file of files) {
         const isExist = exist(file.replace('[width]', size.toString()))
         if (!isExist) {
           console.log(file.replace('[width]', size.toString()))
         }
         expect(isExist).toBeTruthy()
-      })
-    })
+      }
+    }
   })
 })

__tests__/e2e/export-images.config.js

@@ -17,6 +17,8 @@ const config = {
   generateFormats: ['avif', 'webp'],
   remoteImages: getRemoteImages,
   filenameGenerator: ({ path, name, width, extension }) => `${path}/${name}_${width}.${extension}`,
+  // function宣言による記述もテストしたいため無視する
+  // biome-ignore lint/complexity/useArrowFunction: <explanation>
   sourceImageParser: function ({ src, defaultParser }) {
     return defaultParser(src)
   },

__tests__/e2e/index.test.ts

@@ -1,4 +1,4 @@
-import path from 'path'
+import path from 'node:path'
 
 import fs from 'fs-extra'
 import { imageConfigDefault } from 'next/dist/shared/lib/image-config'
@@ -58,18 +58,17 @@ const files = [
 
 describe('`next build && next export && next-export-optimize-images` is executed correctly', () => {
   test('Images are being generated.', async () => {
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
     const customConfig = require('./next.config.js')
     const configImages = { ...imageConfigDefault, ...customConfig.images }
     const allSizes = [...configImages.imageSizes, ...configImages.deviceSizes]
-    allSizes.forEach((size) => {
-      files.forEach((file) => {
+    for (const size of allSizes) {
+      for (const file of files) {
         const isExist = exist(file.replace('[width]', size.toString()))
         if (!isExist) {
           console.log(file.replace('[width]', size.toString()))
         }
         expect(isExist).toBeTruthy()
-      })
-    })
+      }
+    }
   })
 })

__tests__/utils/buildOutputInfo/index.test.ts

@@ -1,5 +1,5 @@
 import buildOutputInfo from '../../../src/utils/buildOutputInfo'
-import { Config } from '../../../src/utils/getConfig'
+import type { Config } from '../../../src/utils/getConfig'
 
 describe('buildOutputInfo', () => {
   test('Default image parser functions properly', () => {
@@ -230,7 +230,7 @@ describe('buildOutputInfo', () => {
     }
 
     expect(() => buildOutputInfo(input)).toThrowError(
-      new Error(`Unauthorized format specified in \`configFormat\`. afterConvert: invalid_format`)
+      new Error('Unauthorized format specified in `configFormat`. afterConvert: invalid_format')
     )
   })
 
@@ -243,8 +243,8 @@ describe('buildOutputInfo', () => {
       } as unknown as Config,
     }
 
-    expect(() => buildOutputInfo(input)).toThrowError(
-      new Error(`Unauthorized extension specified in \`generateFormats\`: invalid_format`)
+    expect(() => buildOutputInfo(input)).toThrow(
+      new Error('Unauthorized extension specified in `generateFormats`: invalid_format')
     )
   })