import { renderToString, renderToStaticMarkup } from 'react-dom/server'; import semver from 'semver'; import AutoIndexApp from '../client/autoIndex/App.js'; import MainTemplate from './utils/MainTemplate.js'; import getScripts from './utils/getScripts.js'; import { createElement, createHTML } from './utils/markupHelpers.js'; const doctype = ''; const globalURLs = process.env.NODE_ENV === 'production' || process.env.NODE_ENV === 'staging' ? { '@emotion/core': '/@emotion/core@10.0.6/dist/core.umd.min.js', react: '/react@16.7.0/umd/react.production.min.js', 'react-dom': '/react-dom@16.7.0/umd/react-dom.production.min.js' } : { '@emotion/core': '/@emotion/core@10.0.6/dist/core.umd.min.js', react: '/react@16.7.0/umd/react.development.js', 'react-dom': '/react-dom@16.7.0/umd/react-dom.development.js' }; function byVersion(a, b) { return semver.lt(a, b) ? -1 : semver.gt(a, b) ? 1 : 0; } export default function serveAutoIndexPage(req, res) { const data = { packageName: req.packageName, packageVersion: req.packageVersion, availableVersions: Object.keys(req.packageInfo.versions).sort(byVersion), filename: req.filename, entry: req.entry, entries: req.entries }; const content = createHTML(renderToString(createElement(AutoIndexApp, data))); const elements = getScripts('autoIndex', 'iife', globalURLs); const html = doctype + renderToStaticMarkup( createElement(MainTemplate, { title: `UNPKG - ${req.packageName}`, description: `The CDN for ${req.packageName}`, data, content, elements }) ); res .set({ 'Cache-Control': 'public, max-age=14400', // 4 hours 'Cache-Tag': 'auto-index' }) .send(html); }