vercel · kodiakhq · Feb 18, 2021 · Feb 17, 2021 · Feb 17, 2021 · Feb 17, 2021
diff --git a/package.json b/package.json
@@ -91,6 +91,7 @@
     "get-port": "5.1.1",
     "glob": "7.1.6",
     "gzip-size": "5.1.1",
+    "image-size": "0.9.3",
     "is-animated": "2.0.0",
     "isomorphic-unfetch": "3.0.0",
     "jest-circus": "26.0.1",

diff --git a/packages/next/build/index.ts b/packages/next/build/index.ts
@@ -421,12 +421,7 @@ export default async function build(
         ]
           .filter(nonNullable)
           .map((file) => path.join(config.distDir, file)),
-        ignore: [
-          path.relative(
-            dir,
-            path.join(path.dirname(require.resolve('sharp')), '**/*')
-          ),
-        ],
+        ignore: [] as string[],
       })
     )
 

diff --git a/packages/next/compiled/cacache/index.js b/packages/next/compiled/cacache/index.js
diff --git a/packages/next/next-server/server/image-optimizer.ts b/packages/next/next-server/server/image-optimizer.ts
@@ -1,19 +1,28 @@
-import nodeUrl, { UrlWithParsedQuery } from 'url'
-import { IncomingMessage, ServerResponse } from 'http'
-import { join } from 'path'
 import { mediaType } from '@hapi/accept'
-import { createReadStream, promises } from 'fs'
 import { createHash } from 'crypto'
-import Server from './next-server'
-import { getContentType, getExtension } from './serve-static'
-import { fileExists } from '../../lib/file-exists'
+import { createReadStream, promises } from 'fs'
+import { getOrientation, Orientation } from 'get-orientation'
+import { IncomingMessage, ServerResponse } from 'http'
 // @ts-ignore no types for is-animated
 import isAnimated from 'next/dist/compiled/is-animated'
+import { join } from 'path'
 import Stream from 'stream'
-import { sendEtagResponse } from './send-payload'
+import nodeUrl, { UrlWithParsedQuery } from 'url'
+import { fileExists } from '../../lib/file-exists'
 import { ImageConfig, imageConfigDefault } from './image-config'
+import ImageData from './lib/squoosh/image_data'
+import {
+  decodeBuffer,
+  encodeJpeg,
+  encodePng,
+  encodeWebp,
+  resize,
+  rotate,
+} from './lib/squoosh/main'
+import Server from './next-server'
+import { sendEtagResponse } from './send-payload'
+import { getContentType, getExtension } from './serve-static'
 
-let sharp: typeof import('sharp')
 //const AVIF = 'image/avif'
 const WEBP = 'image/webp'
 const PNG = 'image/png'
@@ -241,45 +250,42 @@ export async function imageOptimizer(
     contentType = JPEG
   }
 
-  if (!sharp) {
-    try {
-      // eslint-disable-next-line import/no-extraneous-dependencies
-      sharp = require('sharp')
-    } catch (error) {
-      if (error.code === 'MODULE_NOT_FOUND') {
-        error.message += '\n\nLearn more: https://err.sh/next.js/install-sharp'
-        server.logError(error)
-        sendResponse(req, res, upstreamType, upstreamBuffer)
-        return { finished: true }
-      }
-      throw error
-    }
-  }
-
   try {
-    const transformer = sharp(upstreamBuffer)
-    transformer.rotate() // auto rotate based on EXIF data
-
-    const { width: metaWidth } = await transformer.metadata()
+    let bitmap: ImageData = await decodeBuffer(upstreamBuffer)
+    const orientation = await getOrientation(upstreamBuffer)
+    if (orientation === Orientation.RIGHT_TOP) {
+      bitmap = await rotate(bitmap, 1)
+    } else if (orientation === Orientation.BOTTOM_RIGHT) {
+      bitmap = await rotate(bitmap, 2)
+    } else if (orientation === Orientation.LEFT_BOTTOM) {
+      bitmap = await rotate(bitmap, 3)
+    } else {
+      // TODO: support more orientations
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
+      // const _: never = orientation
+    }
 
-    if (metaWidth && metaWidth > width) {
-      transformer.resize(width)
+    if (bitmap.width && bitmap.width > width) {
+      bitmap = await resize(bitmap, { width })
     }
 
+    let optimizedBuffer: Buffer | undefined
     //if (contentType === AVIF) {
-    // Soon https://github.com/lovell/sharp/issues/2289
-    //}
+    //} else
     if (contentType === WEBP) {
-      transformer.webp({ quality })
+      optimizedBuffer = await encodeWebp(bitmap, { quality })
     } else if (contentType === PNG) {
-      transformer.png({ quality })
+      optimizedBuffer = await encodePng(bitmap)
     } else if (contentType === JPEG) {
-      transformer.jpeg({ quality })
+      optimizedBuffer = await encodeJpeg(bitmap, { quality })
     }
 
-    const optimizedBuffer = await transformer.toBuffer()
-    await writeToCacheDir(hashDir, contentType, expireAt, optimizedBuffer)
-    sendResponse(req, res, contentType, optimizedBuffer)
+    if (optimizedBuffer) {
+      await writeToCacheDir(hashDir, contentType, expireAt, optimizedBuffer)
+      sendResponse(req, res, contentType, optimizedBuffer)
+    } else {
+      throw new Error('Unable to optimize buffer')
+    }
   } catch (error) {
     sendResponse(req, res, upstreamType, upstreamBuffer)
   }

diff --git a/packages/next/next-server/server/lib/squoosh/LICENSE b/packages/next/next-server/server/lib/squoosh/LICENSE
@@ -0,0 +1,202 @@
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