Edit File: init.js
/*! * express * Copyright(c) 2009-2013 TJ Holowaychuk * Copyright(c) 2013 Roman Shtylman * Copyright(c) 2014-2015 Douglas Christopher Wilson * MIT Licensed */ 'use strict'; /** * Module dependencies. * @private */ var setPrototypeOf = require('setprototypeof') /** * Initialization middleware, exposing the * request and response to each other, as well * as defaulting the X-Powered-By header field. * * @param {Function} app * @return {Function} * @api private */ exports.init = function(app){ return function expressInit(req, res, next){ if (app.enabled('x-powered-by')) res.setHeader('X-Powered-By', 'Express'); req.res = res; res.req = req; req.next = next; setPrototypeOf(req, app.request) setPrototypeOf(res, app.response) res.locals = res.locals || Object.create(null); next(); }; };
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