Returns a dictionary object with keys for each value in the provided object and its descendants/children. Keys are in the style of ASP.NET, i.e. "propertyName.collection[3]".

getAspNetFormKeyValues.ts

module AspNetUtilities {

    export interface IAspNetFormValueDictionary {
        [key: string]: any;
    }

    function collectAspNetFormKeyValues(keyPrefix: string, source: Object, dictionary: IAspNetFormValueDictionary) {

        var localKeyPrefix = '';

        if (Object.prototype.toString.call(source) === '[object Array]') {
            var objArray = <any[]>source;

            for (var i = 0; i < objArray.length; i++) {
                localKeyPrefix = keyPrefix + '[' + i + ']';
                if (typeof objArray[i] === 'object') {
                    collectAspNetFormKeyValues(localKeyPrefix, objArray[i], dictionary);
                } else {
                    dictionary[localKeyPrefix] = objArray[i];
                }
            }
        } else {
            if (typeof source === 'object') {
                for (var prop in source) {
                    if (source.hasOwnProperty(prop)) {
                        localKeyPrefix = keyPrefix ? keyPrefix + '.' + prop : prop;
                        if (typeof source[prop] === 'object') {
                            collectAspNetFormKeyValues(localKeyPrefix, source[prop], dictionary);
                        } else {
                            dictionary[localKeyPrefix] = source[prop];
                        }
                    }
                }
            }
        }

        return dictionary;
    }

    export function getAspNetFormKeyValues(source: Object) {
        var dictionary: IAspNetFormValueDictionary = {};

        if (typeof source === 'undefined') {
            return;
        }

        if (typeof source === 'object') {
            collectAspNetFormKeyValues('', source, dictionary);
        } else {
            dictionary['value'] = source;
        }

        return dictionary;
    }
}