src/frame/lib/constants.js

const isDev = process.env.NODE_ENV === 'development'

// 10 seconds, by default in production and tests.
// 15 seconds, by default in development.
// Why more in development? Because Next.js compilation is JIT (Just-In-Time)
// so that starting `npm start` and viewing your first page on localhost:4000
// can, these days, take more than 10 seconds when the computer isn't
// very fast. That first compilation can take long even of fast hardware
// if the local contributor is running several other resource-intensive
// applications at the same time.
const DEFAULT_MAX_REQUEST_TIMEOUT = isDev ? 15_000 : 10_000

export const ROOT = process.env.ROOT || '.'
export const USER_LANGUAGE_COOKIE_NAME = 'user_language'
export const TRANSLATIONS_ROOT = process.env.TRANSLATIONS_ROOT || 'translations'
export const MAX_REQUEST_TIMEOUT = process.env.REQUEST_TIMEOUT
  ? parseInt(process.env.REQUEST_TIMEOUT, 10)
  : DEFAULT_MAX_REQUEST_TIMEOUT
export const TRANSLATIONS_FIXTURE_ROOT = process.env.TRANSLATIONS_FIXTURE_ROOT

// Minimum required HTML for 404: W3C valid, no external, legal.
export const minimumNotFoundHtml = `
<!doctype html>
<html lang=en>
<meta charset=utf-8>
<title>404 - GitHub Docs</title>
<style>body{font-family:system-ui,sans-serif;margin:3rem}a{color:#0969DA}</style>
<p style=font-weight:500>GitHub Docs</p>
<p>Page not found.</p>
<p><a href=/>Return to home.</a></p>
<small>
&copy; ${new Date().getFullYear()} GitHub, Inc.
 &bull; <a href=https://docs.github.com/site-policy/github-terms/github-terms-of-service>Terms</a>
 &bull; <a href=https://docs.github.com/site-policy/privacy-policies/github-privacy-statement>Privacy</a>
</small>
`.replace(/\n/g, '')