70 lines
2.1 KiB
JavaScript
70 lines
2.1 KiB
JavaScript
import { renderToString, renderToStaticMarkup } from 'react-dom/server';
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import semver from 'semver';
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import BrowseApp from '../client/browse/App.js';
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import MainTemplate from '../templates/MainTemplate.js';
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import asyncHandler from '../utils/asyncHandler.js';
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import getScripts from '../utils/getScripts.js';
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import { createElement, createHTML } from '../utils/markup.js';
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import { getVersionsAndTags } from '../utils/npm.js';
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const doctype = '<!DOCTYPE html>';
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const globalURLs =
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process.env.NODE_ENV === 'production' || process.env.NODE_ENV === 'staging'
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? {
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'@emotion/core': '/@emotion/core@10.0.6/dist/core.umd.min.js',
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react: '/react@16.8.6/umd/react.production.min.js',
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'react-dom': '/react-dom@16.8.6/umd/react-dom.production.min.js'
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}
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: {
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'@emotion/core': '/@emotion/core@10.0.6/dist/core.umd.min.js',
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react: '/react@16.8.6/umd/react.development.js',
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'react-dom': '/react-dom@16.8.6/umd/react-dom.development.js'
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};
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function byVersion(a, b) {
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return semver.lt(a, b) ? -1 : semver.gt(a, b) ? 1 : 0;
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}
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async function getAvailableVersions(packageName, log) {
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const versionsAndTags = await getVersionsAndTags(packageName, log);
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return versionsAndTags ? versionsAndTags.versions.sort(byVersion) : [];
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}
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async function serveBrowsePage(req, res) {
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const availableVersions = await getAvailableVersions(
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req.packageName,
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req.log
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);
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const data = {
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packageName: req.packageName,
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packageVersion: req.packageVersion,
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availableVersions: availableVersions,
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filename: req.filename,
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target: req.browseTarget
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};
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const content = createHTML(renderToString(createElement(BrowseApp, data)));
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const elements = getScripts('browse', 'iife', globalURLs);
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const html =
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doctype +
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renderToStaticMarkup(
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createElement(MainTemplate, {
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title: `UNPKG - ${req.packageName}`,
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description: `The CDN for ${req.packageName}`,
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data,
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content,
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elements
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})
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);
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res
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.set({
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'Cache-Control': 'public, max-age=14400', // 4 hours
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'Cache-Tag': 'browse'
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})
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.send(html);
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}
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export default asyncHandler(serveBrowsePage);
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