@userfrosting/theme-adminlte/app/assets/userfrosting/js/query-string.js

Admin LTE Theme for UserFrosting 5

/**
 * @add jQuery.String
 */
$.String = $.extend($.String || {}, {
    /**
     * @function deparam
     *
     * Takes a string of name value pairs and returns a Object literal that represents those params.
     *
     * @param {String} params a string like <code>"foo=bar&person[age]=3"</code>
     * @return {Object} A JavaScript Object that represents the params:
     *
     *     {
     *       foo: "bar",
     *       person: {
     *         age: "3"
     *       }
     *     }
     */
    deparam: function(params){
        var digitTest = /^\d+$/,
            keyBreaker = /([^\[\]]+)|(\[\])/g,
            plus = /\+/g,
            paramTest = /([^?#]*)(#.*)?$/;

        if(! params || ! paramTest.test(params) ) {
            return {};
        }


        var data = {},
            pairs = params.split('&'),
            current;

        for(var i=0; i < pairs.length; i++){
            current = data;
            var pair = pairs[i].split('=');

            // if we find foo=1+1=2
            if(pair.length != 2) {
                pair = [pair[0], pair.slice(1).join("=")]
            }

    var key = decodeURIComponent(pair[0].replace(plus, " ")),
      value = decodeURIComponent(pair[1].replace(plus, " ")),
                parts = key.match(keyBreaker);

            for ( var j = 0; j < parts.length - 1; j++ ) {
                var part = parts[j];
                if (!current[part] ) {
                    // if what we are pointing to looks like an array
                    current[part] = digitTest.test(parts[j+1]) || parts[j+1] == "[]" ? [] : {}
                }
                current = current[part];
            }
            lastPart = parts[parts.length - 1];
            if(lastPart == "[]"){
                current.push(value)
            }else{
                current[lastPart] = value;
            }
        }
        return data;
    }
});