body-parser

Question 1

body-parser is

Answer 1

a parser of request bodies for Node.js, makes body available under req.body for the handlers

Question 2

what are the types of data body-parser parses

Answer 2

x-www-form-urlencoded, text, raw, raw/json.

Question 3

setting up body-parser

Answer 3

const bodyParser = require(‘body-parser’);

app. use(bodyParser.json([{config}]));
app. use(bodyParser.urlencoded());

Question 4

extended=true in configuration allows

Answer 4

if set to true, you can post nested objects, ex:
{one: {two: ‘value’}}
it uses qs library if true, and uses querystring library if false

Question 5

what is the difference between parsing incoming bodies as texts vs raw

Answer 5

raw suffers no modification, while text convers everything to strings.

raw() only looks are requests whose Content-type headers match the raw type. text() will only look the ones matching text format.