module to get content type from file extension

ContentType.js

// this file exists just to name the gist, and because gist ordering is asciibetical, it's name starts with a capital letter.

index.js

const path = require('path');

/**
 * getContentType
 * Given a filepath, getContentType returns the mime-type associated to the content
 *
 * @param {string} - filepath
 */
module.exports = (filePath) => {
  switch (path.extname(filePath).toLowerCase()) {
    case '.html':
      return 'text/html';
    case '.png':
      return 'image/png';
    case '.gif':
      return 'image/gif';
    case '.jpg':
    case '.jpeg':
      return 'image/jpeg';
    case '.svg':
      return 'image/svg+xml';
    case '.css':
      return 'text/css';
    case '.js':
      return 'text/javascript';
    default:
      return 'application/json';
  }
};

package.json

{
  "name": "content-type",
  "version": "0.1.0"
}