Content-check NPM

Utility for working with the content-type header isomorphically.

Installation

npm install content-check

API

check(data: any): string|undefined

Attempt to guess the content type for some data. Returns undefined if it could not be guessed.

import * as fs from "fs";
import { check } from "content-check";

check("hello"); // "text/plain"
check("<body></body>"); // "text/html"
check({ a: 1 }); // "application/json"
check(new Buffer("hello")); // "application/octet-stream"
check(fs.createReadStream(__dirname + "/index.js")); // "application/javascript"