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libs/packages/config/next.config.ts
Florian Bouillon 02d733e150 Fixed NextJS config
Signed-off-by: Avior <github@avior.me>
2021-09-28 12:19:22 +02:00

131 lines
3.2 KiB
TypeScript

import { NextConfig, defaultConfig } from 'next/dist/server/config-shared'
import { PHASE_DEVELOPMENT_SERVER } from 'next/constants'
// @ts-expect-error next-pre-css has no typing available
import preCSS from 'next-pre-css'
/**
* Return a default NextJS hardened configuration with experimental features enabled and headers preset
*/
export const config = (additionnalHost: string): typeof defaultConfig & NextConfig => ({
// Experimentals
experimental: {
plugins: true,
profiling: process.env.NODE_ENV === 'developpment',
isrFlushToDisk: true,
// Bugged
// https://github.com/vercel/next.js/issues/18913
// reactRoot: true,
workerThreads: true,
pageEnv: true,
optimizeImages: true,
optimizeCss: true,
scrollRestoration: true,
stats: process.env.NODE_ENV === 'developpment',
externalDir: true,
conformance: true,
disableOptimizedLoading: false,
gzipSize: process.env.NODE_ENV === 'developpment',
craCompat: false,
},
excludeDefaultMomentLocales: true,
trailingSlash: false,
cleanDistDir: true,
generateEtags: true,
compress: false,
// Non experimental config
// target: 'serverless',
poweredByHeader: false,
reactStrictMode: true,
// Futures
future: {
strictPostcssConfiguration: true,
},
// Headers and rewrites
async headers() {
// CSS no CSP, x-xss-protection
const CSP = {
key: 'Content-Security-Policy',
value:
// default-src is set to self because prefetch-src is not working propelly see: https://bugs.chromium.org/p/chromium/issues/detail?id=801561
"default-src 'self'; " +
"frame-ancestors 'none'; " +
"form-action 'self'; " +
"manifest-src 'self'; " +
"prefetch-src 'self'; " +
`script-src 'self' 'unsafe-inline' 'unsafe-eval' ${additionnalHost}; ` +
"style-src 'self' 'unsafe-inline'; " +
"img-src data: 'self'; " +
"font-src 'self'; " +
`connect-src 'self' ${additionnalHost}; ` +
"base-uri 'self';"
}
const XXssProtection = {
key: 'X-XSS-Protection',
value: '1; mode=block'
}
// JS no x-xss-protection
const headers = [{
key: 'X-Frame-Options',
value: 'DENY'
}, {
key: 'X-Content-Type-Options',
value: 'nosniff'
}, {
key: 'Referrer-Policy',
value: 'strict-origin-when-cross-origin'
}, {
key: 'Permissions-Policy',
value: 'geolocation=(), microphone=(), interest-cohort=()'
}, {
key: 'Strict-Transport-Security',
value: 'max-age=63072000; includeSubDomains; preload'
}, {
key: 'X-Download-Options',
value: 'noopen'
}, {
key: 'Expect-CT',
value: 'max-age=86400, enforce'
}]
const excludedExtensions = ['js', 'css', 'json', 'ico', 'png']
.map((ext) => `(?!\\.${ext}$)`).join('|')
return [{
source: `/:path*((?!^\\/_next\\/image)|${excludedExtensions})`,
headers: [...headers, XXssProtection, CSP]
}, {
source: '/',
headers: [...headers, XXssProtection, CSP]
}, {
// No CSP, XXssProtection
source: `/:path*(\\.${excludedExtensions}$)`,
headers: headers
}, {
// No CSP, XXssProtection
source: '/_next/image:path*',
headers: headers
}]
},
})
export const plugins = [preCSS, {
cssModules: true,
cssLoaderOptions: {
localIdentName: "[hash:base64:6]",
},
[PHASE_DEVELOPMENT_SERVER]: {
cssLoaderOptions: {
localIdentName: "[path][name]__[local]"
}
}
}]