rsnext/packages/next-server/server/send-html.ts
Tim Neutkens 3e51ddb8af
Move syntax formatting to prettier (#7454)
* Run prettier over packages/**/*.js

* Run prettier over packages/**/*.ts

* Run prettier over examples

* Remove tslint

* Run prettier over examples

* Run prettier over all markdown files

* Run prettier over json files
2019-05-29 13:57:26 +02:00

37 lines
875 B
TypeScript

import { IncomingMessage, ServerResponse } from 'http'
import generateETag from 'etag'
import fresh from 'fresh'
import { isResSent } from '../lib/utils'
export function sendHTML(
req: IncomingMessage,
res: ServerResponse,
html: string,
{
generateEtags,
poweredByHeader,
}: { generateEtags: boolean; poweredByHeader: boolean }
) {
if (isResSent(res)) return
const etag = generateEtags ? generateETag(html) : undefined
if (poweredByHeader) {
res.setHeader('X-Powered-By', 'Next.js')
}
if (fresh(req.headers, { etag })) {
res.statusCode = 304
res.end()
return
}
if (etag) {
res.setHeader('ETag', etag)
}
if (!res.getHeader('Content-Type')) {
res.setHeader('Content-Type', 'text/html; charset=utf-8')
}
res.setHeader('Content-Length', Buffer.byteLength(html))
res.end(req.method === 'HEAD' ? null : html)
}