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114 lines
3.1 KiB
TypeScript
114 lines
3.1 KiB
TypeScript
// Loaded from https://deno.land/x/tinyhttp@0.1.18/extend.ts
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import { NextFunction } from 'https://esm.sh/@tinyhttp/router'
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import { App, renderTemplate } from './app.ts'
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import { Request } from './request.ts'
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import {
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getRequestHeader,
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getFreshOrStale,
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getAccepts,
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getAcceptsCharsets,
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getAcceptsEncodings,
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getAcceptsLanguages,
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checkIfXMLHttpRequest,
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getHostname,
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getIP,
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getIPs,
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getProtocol,
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getSubdomains,
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getRangeFromHeader,
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reqIs
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} from './extensions/req/mod.ts'
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import {
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send,
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json,
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sendStatus,
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setHeader,
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setLocationHeader,
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end,
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sendFile,
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getResponseHeader,
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append,
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setLinksHeader,
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setContentType,
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formatResponse,
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setVaryHeader,
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attachment,
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download,
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setCookie,
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clearCookie,
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redirect
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} from './extensions/res/mod.ts'
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import { getQueryParams } from './utils/parseUrl.ts'
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import { Response } from './response.ts'
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export const extendMiddleware =
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<RenderOptions = unknown, Req extends Request = Request, Res extends Response = Response>(app: App) =>
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(req: Req, res: Res, next: NextFunction) => {
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const { settings } = app
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res.locals = res.locals || Object.create(null)
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// Request extensions
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if (settings?.bindAppToReqRes) {
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req.app = app
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res.app = app
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}
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req.query = getQueryParams(req.url)
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req.connection = {
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remoteAddress: (req.conn.remoteAddr as Deno.NetAddr).hostname
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}
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req.get = getRequestHeader(req)
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req.accepts = getAccepts<Req>(req)
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req.acceptsCharsets = getAcceptsCharsets<Req>(req)
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req.acceptsEncodings = getAcceptsEncodings<Req>(req)
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req.acceptsLanguages = getAcceptsLanguages<Req>(req)
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req.range = getRangeFromHeader(req)
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req.xhr = checkIfXMLHttpRequest(req)
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req.is = reqIs(req)
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if (settings?.networkExtensions) {
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req.protocol = getProtocol<Req>(req)
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req.secure = req.protocol === 'https'
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req.hostname = getHostname<Req>(req)
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req.subdomains = getSubdomains<Req>(req, settings.subdomainOffset)
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req.ip = getIP<Req>(req)
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req.ips = getIPs<Req>(req)
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}
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// Response extensions
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res.end = end(req, res)
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res.send = send<Req, Res>(req, res)
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res.sendFile = sendFile<Req, Res>(req, res)
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res.sendStatus = sendStatus(req, res)
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res.json = json<Req, Res>(req, res)
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res.setHeader = setHeader<Res>(res)
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res.set = setHeader<Res>(res)
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res.location = setLocationHeader<Req, Res>(req, res)
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res.get = getResponseHeader<Res>(res)
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res.append = append<Res>(res)
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res.render = renderTemplate<RenderOptions, Res>(res, app)
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res.links = setLinksHeader<Res>(res)
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res.redirect = redirect<Req, Res, NextFunction>(req, res, next)
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res.type = setContentType<Res>(res)
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res.format = formatResponse<Req, Res>(req, res, next)
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res.vary = setVaryHeader<Res>(res)
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res.download = download<Req, Res>(req, res)
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res.attachment = attachment<Res>(res)
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res.cookie = setCookie<Req, Res>(req, res)
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res.clearCookie = clearCookie<Res>(res)
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Object.defineProperty(req, 'fresh', { get: getFreshOrStale.bind(null, req, res), configurable: true })
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req.stale = !req.fresh
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next?.()
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}
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