es-content-type

!Vulnerabilities

> content-type rewrite in TypeScript with ESM and CommonJS targets.

Create and parse HTTP Content-Type header according to RFC 7231

Install

``sh
pnpm i es-content-type
`

API

`ts
import { parse, format } from 'es-content-type'
`

$3

`ts
const obj = parse('image/svg+xml; charset=utf-8')
`

Parse a Content-Type header. This will return an object with the following
properties (examples are shown for the string 'image/svg+xml; charset=utf-8'):

- type: The media type (the type and subtype, always lower case).
Example: 'image/svg+xml'

- parameters: An object of the parameters in the media type (name of parameter
always lower case). Example: {charset: 'utf-8'}

Throws a TypeError if the string is missing or invalid.

`ts
const obj = contentType.parse(req)
`

Parse the Content-Type header from the given req. Short-cut for
contentType.parse(req.headers['content-type']).

Throws a TypeError if the Content-Type header is missing or invalid.

`js
const obj = contentType.parse(res)
`

Parse the Content-Type header set on the given res. Short-cut for
contentType.parse(res.getHeader('content-type')).

Throws a TypeError if the Content-Type header is missing or invalid.

$3

`ts
const str = contentType.format({
type: 'image/svg+xml',
parameters: { charset: 'utf-8' },
})
`

Format an object into a Content-Type header. This will return a string of the
content type for the given object with the following properties (examples are
shown that produce the string 'image/svg+xml; charset=utf-8'):

- type: The media type (will be lower-cased). Example: 'image/svg+xml'

- parameters: An object of the parameters in the media type (name of the
parameter will be lower-cased). Example: {charset: 'utf-8'}

Throws a TypeError` if the object contains an invalid type or parameter names.