@nathanfaucett/request/src/parseContentType.js

http requests for the browser and node.js

module.exports = parseContentType;

function parseContentType(str) {
    var index;

    if (str) {
        if ((index = str.indexOf(";")) !== -1) {
            str = str.substring(0, index);
        }
        if ((index = str.indexOf(",")) !== -1) {
            return str.substring(0, index);
        }

        return str;
    }

    return "application/octet-stream";
}