Where does user.id go after passport.serializeUser has been called? The user id (you provide as the second argument of the done function) is saved in the session and is later used to retrieve the whole object via the deserializeUser function. serializeUser determines which data of the user object should be stored in the session. The … Read more
Edit: in 2019-april-2 in express@4.16.0 the body-parser middleware is included in express, so you don’t need to install body-parser separately anymore. for more details see this OLD: To handle HTTP POST requests in Express.js version 4 and above, you need to install the middleware module called body-parser. body-parser extracts the entire body portion of an … Read more
UPDATE July 2020 express.bodyParser() is no longer bundled as part of express. You need to install it separately before loading: npm i body-parser // then in your app var express = require(‘express’) var bodyParser = require(‘body-parser’) var app = express() // create application/json parser var jsonParser = bodyParser.json() // create application/x-www-form-urlencoded parser var urlencodedParser = … Read more
This is because require() does not exist in the browser/client-side JavaScript. Now you’re going to have to make some choices about your client-side JavaScript script management. You have three options: Use the <script> tag. Use a CommonJS implementation. It has synchronous dependencies like Node.js Use an asynchronous module definition (AMD) implementation. CommonJS client side-implementations include … Read more
1) What is Express.js? Express.js is a Node.js framework. It’s the most popular framework as of now (the most starred on NPM). . It’s built around configuration and granular simplicity of Connect middleware. Some people compare Express.js to Ruby Sinatra vs. the bulky and opinionated Ruby on Rails. 2) What is the purpose of it … Read more
That response is a string too, if you want to send the response prettified, for some awkward reason, you could use something like JSON.stringify(anObject, null, 3) It’s important that you set the Content-Type header to application/json, too. var http = require(‘http’); var app = http.createServer(function(req,res){ res.setHeader(‘Content-Type’, ‘application/json’); res.end(JSON.stringify({ a: 1 })); }); app.listen(3000); // > … Read more
OK, it’s been a while and this is a popular question, so I’ve gone ahead and created a scaffolding github repository with JavaScript code and a long README about how I like to structure a medium-sized express.js application. focusaurus/express_code_structure is the repo with the latest code for this. Pull requests welcome. Here’s a snapshot of … Read more
In express.js (since version 3) you should use that syntax: var fs = require(‘fs’); var http = require(‘http’); var https = require(‘https’); var privateKey = fs.readFileSync(‘sslcert/server.key’, ‘utf8’); var certificate = fs.readFileSync(‘sslcert/server.crt’, ‘utf8’); var credentials = {key: privateKey, cert: certificate}; var express = require(‘express’); var app = express(); // your express configuration here var httpServer = … Read more
The second form (creating an HTTP server yourself, instead of having Express create one for you) is useful if you want to reuse the HTTP server, for example to run socket.io within the same HTTP server instance: var express = require(‘express’); var app = express(); var server = require(‘http’).createServer(app); var io = require(‘socket.io’).listen(server); … server.listen(1234); … Read more
The protocol is available as req.protocol. docs here Before express 3.0, the protocol you can assume to be http unless you see that req.get(‘X-Forwarded-Protocol’) is set and has the value https, in which case you know that’s your protocol The host comes from req.get(‘host’) as Gopal has indicated Hopefully you don’t need a non-standard port … Read more