Radarr/UI/Mixins/jquery.ajax.js

//try to add ajax data as query string to DELETE calls.
'use strict';
define(function () {

    return function () {

        var original = this.ajax;
        this.ajax = function () {

            var xhr = arguments[0];

            //check if ajax call was made with data option
            if (xhr && xhr.data && xhr.type === 'DELETE') {
                if (!xhr.url.contains('?')) {
                    xhr.url = xhr.url + '?' + $.param(xhr.data);
                }
                else {
                    xhr.url = xhr.url + '&' + $.param(xhr.data);
                }

                delete xhr.data;
            }
            if (xhr) {
                xhr.headers = xhr.headers || {};
                xhr.headers['Authorization'] = window.NzbDrone.ApiKey;
            }

            return original.apply(this, arguments);
        };
    };
});