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115 lines (103 loc) · 3.83 KB
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import fs from 'fs'
import path from 'path'
import type { NextConfig } from 'next'
import frontmatter from '@gr2m/gray-matter'
import { getLogLevelNumber } from '@/observability/logger/lib/log-levels'
import { languageKeys } from '@/languages/lib/languages'
const ROOT = process.env.ROOT || '.'
const homepage = path.posix.join(ROOT, 'content/index.md')
const { data } = frontmatter(fs.readFileSync(homepage, 'utf8'))
const productIds = data.children as string[]
const config: NextConfig = {
// Transpile @primer/react and @primer/react-brand so Next's webpack can process their
// CSS and other assets. This ensures CSS from these node_modules packages is handled by
// the app's loaders.
transpilePackages: ['@primer/react', '@primer/react-brand'],
// Keep OTel packages out of the Next.js server bundle.
// They must be loaded via native require() for auto-instrumentation to work.
serverExternalPackages: [
'@opentelemetry/api',
'@opentelemetry/auto-instrumentations-node',
'@opentelemetry/core',
'@opentelemetry/exporter-trace-otlp-proto',
'@opentelemetry/sdk-node',
],
// speed up production `next build` by ignoring typechecking during that step of build.
// type-checking still occurs in the Dockerfile build
typescript: {
ignoreBuildErrors: true,
},
i18n: {
locales: languageKeys,
defaultLocale: 'en',
},
sassOptions: {
quietDeps: true,
silenceDeprecations: ['legacy-js-api', 'import', 'global-builtin', 'color-4-api'],
},
// Don't use automatic Next.js logging in dev unless the log level is `debug` or higher
// See `src/observability/logger/README.md` for log levels
logging: getLogLevelNumber() < 3 ? undefined : {},
async rewrites() {
const DEFAULT_VERSION = 'free-pro-team@latest'
return productIds.map((productId) => {
return {
source: `/${productId}/:path*`,
destination: `/${DEFAULT_VERSION}/${productId}/:path*`,
}
})
},
webpack: (webpackConfig, { isServer }) => {
webpackConfig.resolve.fallback = { fs: false, async_hooks: false, child_process: false }
// OTel is server-only. Alias to empty stub in browser bundles.
if (!isServer) {
webpackConfig.resolve.alias = {
...webpackConfig.resolve.alias,
'@/observability/lib/tracing': path.resolve('./src/observability/lib/tracing.browser.ts'),
}
}
return webpackConfig
},
// Turbopack is the default bundler in Next.js 16
// Keep webpack config for now to support both bundlers
// Turbopack configuration for Next.js 16 (replaces webpack fallbacks)
turbopack: {
resolveAlias: {
fs: {
browser: './stub.ts',
},
async_hooks: {
browser: './stub.ts',
},
child_process: {
browser: './stub.ts',
},
'@/observability/logger': {
browser: './stub.ts',
},
'@/observability/logger/lib/logger-context': {
browser: './stub.ts',
},
'@/observability/lib/tracing': {
browser: './src/observability/lib/tracing.browser.ts',
},
},
},
// https://nextjs.org/docs/api-reference/next.config.js/compression
compress: false,
// ETags break stale content serving from the CDN. When a response has
// an ETag, the CDN attempts to revalidate the content in the background.
// This causes problems with serving stale content, since upon revalidating
// the CDN marks the cached content as "fresh".
generateEtags: false,
// Disable Next.js's in-memory data cache. We don't use ISR or cached
// fetch — all pages render via Express middleware with getServerSideProps.
// The default 50 MB cache is unnecessary overhead during a memory-leak
// investigation and is implicated in known Next.js 16.1.x memory issues
// (vercel/next.js#88603).
cacheMaxMemorySize: 0,
compiler: {
styledComponents: true,
},
}
export default config