Remove pre-gzip support (#1155)

package.json

@@ -42,7 +42,6 @@
     ]
   },
   "dependencies": {
-    "accepts": "1.3.3",
     "ansi-html": "0.0.7",
     "babel-core": "6.23.1",
     "babel-generator": "6.22.0",
@@ -69,7 +68,6 @@
     "is-windows-bash": "1.0.3",
     "json-loader": "0.5.4",
     "loader-utils": "0.2.16",
-    "mime-types": "2.1.14",
     "minimist": "1.2.0",
     "mkdirp-then": "1.2.0",
     "mz": "2.6.0",

server/build/gzip.js

@@ -1,38 +0,0 @@
-import fs from 'fs'
-import path from 'path'
-import zlib from 'zlib'
-import glob from 'glob-promise'
-
-export default async function gzipAssets (dir) {
-  const nextDir = path.resolve(dir, '.next')
-
-  const coreAssets = [
-    path.join(nextDir, 'commons.js'),
-    path.join(nextDir, 'main.js')
-  ]
-  const pages = await glob('bundles/pages/**/*.json', { cwd: nextDir })
-
-  const allAssets = [
-    ...coreAssets,
-    ...pages.map(page => path.join(nextDir, page))
-  ]
-
-  while (true) {
-    // gzip only 10 assets in parallel at a time.
-    const currentChunk = allAssets.splice(0, 10)
-    if (currentChunk.length === 0) break
-
-    await Promise.all(currentChunk.map(gzip))
-  }
-}
-
-export function gzip (filePath) {
-  const input = fs.createReadStream(filePath)
-  const output = fs.createWriteStream(`${filePath}.gz`)
-
-  return new Promise((resolve, reject) => {
-    const stream = input.pipe(zlib.createGzip()).pipe(output)
-    stream.on('error', reject)
-    stream.on('finish', resolve)
-  })
-}

server/build/index.js

@@ -4,7 +4,6 @@ import fs from 'mz/fs'
 import uuid from 'uuid'
 import del from 'del'
 import webpack from './webpack'
-import gzipAssets from './gzip'
 import replaceCurrentBuild from './replace'
 
 export default async function build (dir) {
@@ -13,7 +12,6 @@ export default async function build (dir) {
 
   try {
     await runCompiler(compiler)
-    await gzipAssets(buildDir)
     await writeBuildId(buildDir)
   } catch (err) {
     console.error(`> Failed to build on ${buildDir}`)

server/index.js

@@ -8,8 +8,7 @@ import {
   renderJSON,
   renderErrorJSON,
   sendHTML,
-  serveStatic,
-  serveStaticWithGzip
+  serveStatic
 } from './render'
 import Router from './router'
 import HotReloader from './hot-reloader'
@@ -84,13 +83,13 @@ export default class Server {
       '/_next/:buildId/main.js': async (req, res, params) => {
         this.handleBuildId(params.buildId, res)
         const p = join(this.dir, '.next/main.js')
-        await this.serveStaticWithGzip(req, res, p)
+        await this.serveStatic(req, res, p)
       },
 
       '/_next/:buildId/commons.js': async (req, res, params) => {
         this.handleBuildId(params.buildId, res)
         const p = join(this.dir, '.next/commons.js')
-        await this.serveStaticWithGzip(req, res, p)
+        await this.serveStatic(req, res, p)
       },
 
       '/_next/:buildId/pages/:path*': async (req, res, params) => {
@@ -251,12 +250,6 @@ export default class Server {
     return renderErrorJSON(err, req, res, this.renderOpts)
   }
 
-  async serveStaticWithGzip (req, res, path) {
-    await this._serveStatic(req, res, () => {
-      return serveStaticWithGzip(req, res, path)
-    })
-  }
-
   serveStatic (req, res, path) {
     this._serveStatic(req, res, () => {
       return serveStatic(req, res, path)

server/render.js

@@ -2,9 +2,6 @@ import { join } from 'path'
 import { createElement } from 'react'
 import { renderToString, renderToStaticMarkup } from 'react-dom/server'
 import send from 'send'
-import fs from 'mz/fs'
-import accepts from 'accepts'
-import mime from 'mime-types'
 import requireModule from './require'
 import resolvePath from './resolve'
 import readPage from './read-page'
@@ -105,7 +102,7 @@ async function doRender (req, res, pathname, query, {
 
 export async function renderJSON (req, res, page, { dir = process.cwd() } = {}) {
   const pagePath = await resolvePath(join(dir, '.next', 'bundles', 'pages', page))
-  return serveStaticWithGzip(req, res, pagePath)
+  return serveStatic(req, res, pagePath)
 }
 
 export async function renderErrorJSON (err, req, res, { dir = process.cwd(), dev = false } = {}) {
@@ -147,38 +144,6 @@ function errorToJSON (err) {
   return json
 }
 
-export async function serveStaticWithGzip (req, res, path) {
-  const encoding = accepts(req).encodings(['gzip'])
-  if (encoding !== 'gzip') {
-    return serveStatic(req, res, path)
-  }
-
-  const gzipPath = `${path}.gz`
-
-  try {
-    // We need to check the existance of the gzipPath.
-    // Getting `ENOENT` error from the `serveStatic` is inconsistent and
-    // didn't work on all the cases.
-    //
-    // And this won't give us a race condition because we know that
-    // we don't add gzipped files at runtime.
-    await fs.stat(gzipPath)
-  } catch (ex) {
-    // Handles the error thrown by fs.stat
-    if (ex.code === 'ENOENT') {
-      // Seems like there's no gzipped file. Let's serve the uncompressed file.
-      return serveStatic(req, res, path)
-    }
-
-    throw ex
-  }
-
-  const contentType = mime.lookup(path) || 'application/octet-stream'
-  res.setHeader('Content-Type', contentType)
-  res.setHeader('Content-Encoding', 'gzip')
-  return serveStatic(req, res, gzipPath)
-}
-
 export function serveStatic (req, res, path) {
   return new Promise((resolve, reject) => {
     send(req, path)

test/integration/production/test/index.test.js

@@ -38,17 +38,6 @@ describe('Production Usage', () => {
   })
 
   describe('JSON pages', () => {
-    describe('when asked for a gzipped page', () => {
-      it('should serve the gzipped page', async () => {
-        const url = `http://localhost:${appPort}/_next/${app.renderOpts.buildId}/pages`
-        const res = await fetch(url, { compress: true })
-        expect(res.headers.get('Content-Encoding')).toBe('gzip')
-
-        const page = await res.json()
-        expect(page.component).toBeDefined()
-      })
-    })
-
     describe('when asked for a normal page', () => {
       it('should serve the normal page', async () => {
         const url = `http://localhost:${appPort}/_next/${app.renderOpts.buildId}/pages`