fastify-xml-body-parser

Fastify plugin / module to parse XML payload / body into JS object

Usage

1. Include in package.json

1$npm install fastify-xml-body-parser
2#or
3$yarn add fastify-xml-body-parser

2. Then import in your code and register with fastify

Sample POST body / payload

<sample>data</sample>

1
2const fastify = require('fastify')()
3
4fastify.register(require('fastify-xml-body-parser'))
5
6fastify.post('/', (req, reply) => {
7  console.log(req.body.sample)//data
8  reply.send(req.body)
9})
10
11fastify.listen(8000, (err) => {
12  if (err) throw err
13})

The sent reply would be the object:

1{
2  sample: 'data'
3}

Options

This plugin use fast-xml-parser to parse the XML payload. So it accepts all the options supported by fast-xml-parser.

1
2var options = {
3  commentPropName: "#comment",
4  preserveOrder: true
5};
6
7const fastify = require('fastify')()
8
9fastify.register(require('fastify-xml-body-parser'), options)
10

Additionaly, it supports following options

• validate: If it is set to true, this plugin validate the payload for valid XML syntax before parsing.
• contentType: It accepts a string or an array of content types. By default it is set to ["text/xml", "application/xml", "application/rss+xml"].

Note: I've not included body size limit to this plugin because of following reasons

• I believe it's good to use API gateway to handle non-functional requirements, like security.
• There are already some plugins which verifies for body length. It'll be a performance degrade if all the plugins are doing the same thing.

License

MIT License

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