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@fastify/formbody

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@fastify/formbody

A module for Fastify to parse x-www-form-urlencoded bodies


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What is @fastify/formbody?

@fastify/formbody is a Fastify plugin that parses x-www-form-urlencoded bodies. It is useful for handling form submissions in Fastify applications.

What are @fastify/formbody's main functionalities?

Basic Form Body Parsing

This feature allows you to parse form data sent with the 'application/x-www-form-urlencoded' content type. The parsed data is available in the `request.body` object.

const fastify = require('fastify')();
const formbody = require('@fastify/formbody');

fastify.register(formbody);

fastify.post('/submit', (request, reply) => {
  const { name, age } = request.body;
  reply.send({ name, age });
});

fastify.listen(3000, err => {
  if (err) throw err;
  console.log('Server listening on http://localhost:3000');
});

Custom Body Limit

This feature allows you to set a custom limit for the size of the body that can be parsed. In this example, the limit is set to 1 MB.

const fastify = require('fastify')();
const formbody = require('@fastify/formbody');

fastify.register(formbody, { bodyLimit: 1048576 }); // 1 MB limit

fastify.post('/submit', (request, reply) => {
  const { name, age } = request.body;
  reply.send({ name, age });
});

fastify.listen(3000, err => {
  if (err) throw err;
  console.log('Server listening on http://localhost:3000');
});

Handling Nested Objects

This feature allows you to handle nested objects in form data. The nested objects are automatically parsed and available in the `request.body` object.

const fastify = require('fastify')();
const formbody = require('@fastify/formbody');

fastify.register(formbody);

fastify.post('/submit', (request, reply) => {
  const { user } = request.body; // user is an object with nested properties
  reply.send(user);
});

fastify.listen(3000, err => {
  if (err) throw err;
  console.log('Server listening on http://localhost:3000');
});

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Package last updated on 22 Sep 2024

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