810f0e8710
This PR: - adds a minified bundled server for Next with some optimisations applied - a test server in minimal-server.js - misc changes: - makes some polyfills lazy - adds a cached version of node-html-parser -
109 lines
2.9 KiB
JavaScript
109 lines
2.9 KiB
JavaScript
// Usage: node scripts/minimal-server.js <path-to-app-dir>
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// This script is used to run a minimal Next.js server in production mode.
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process.env.NODE_ENV = 'production'
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// Change this to 'experimental' for server actions
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process.env.__NEXT_PRIVATE_PREBUNDLED_REACT = 'next'
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if (process.env.LOG_REQUIRE) {
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const originalRequire = require('module').prototype.require
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require('module').prototype.require = function (path) {
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const start = performance.now()
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const result = originalRequire.apply(this, arguments)
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const end = performance.now()
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console.log(`${path}, ${end - start}`)
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return result
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}
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}
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if (process.env.LOG_COMPILE) {
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const originalCompile = require('module').prototype._compile
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const currentDir = process.cwd()
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require('module').prototype._compile = function (content, filename) {
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const strippedFilename = filename.replace(currentDir, '')
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console.time(`Module '${strippedFilename}' compiled`)
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const result = originalCompile.apply(this, arguments)
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console.timeEnd(`Module '${strippedFilename}' compiled`)
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return result
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}
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}
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const appDir = process.argv[2]
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const absoluteAppDir = require('path').resolve(appDir)
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process.chdir(absoluteAppDir)
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let readFileCount = 0
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let readFileSyncCount = 0
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if (process.env.LOG_READFILE) {
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const originalReadFile = require('fs').readFile
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const originalReadFileSync = require('fs').readFileSync
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require('fs').readFile = function (path, options, callback) {
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readFileCount++
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return originalReadFile.apply(this, arguments)
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}
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require('fs').readFileSync = function (path, options) {
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readFileSyncCount++
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return originalReadFileSync.apply(this, arguments)
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}
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}
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console.time('next-cold-start')
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const NextServer = process.env.USE_BUNDLED_NEXT
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? require('next/dist/compiled/minimal-next-server/next-server-cached').default
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: require('next/dist/server/next-server').default
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console.timeEnd('next-cold-start')
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if (process.env.LOG_READFILE) {
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console.log(`readFileCount: ${readFileCount + readFileSyncCount}`)
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}
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const path = require('path')
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const distDir = '.next'
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const compiledConfig = require(path.join(
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absoluteAppDir,
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distDir,
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'required-server-files.json'
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)).config
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const nextServer = new NextServer({
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conf: compiledConfig,
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dir: '.',
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distDir: distDir,
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minimalMode: true,
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customServer: false,
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})
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const requestHandler = nextServer.getRequestHandler()
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require('http')
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.createServer((req, res) => {
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console.time('next-request')
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readFileCount = 0
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readFileSyncCount = 0
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return requestHandler(req, res)
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.catch((err) => {
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console.error(err)
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res.statusCode = 500
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res.end('Internal Server Error')
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})
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.finally(() => {
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console.timeEnd('next-request')
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if (process.env.LOG_READFILE) {
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console.log(`readFileCount: ${readFileCount + readFileSyncCount}`)
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}
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require('process').exit(0)
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})
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})
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.listen(3000, () => {
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console.timeEnd('next-cold-start')
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})
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