Recursively rename properties from UpperCamelCase to lowerCamelCase

lowerCamelCase.js

var lowerCamelCase = function(key) {
	if (key === 'ID') return 'id';
	return key.charAt(0).toLowerCase() + key.slice(1);
};

var lowerCamelCaseKeys = function(obj, opts) {
	if (!opts) opts = {};

	var result = obj;

	if (angular.isArray(obj)) {
		result = _.map(obj, function(val) {
			return lowerCamelCaseKeys(val);
		});
	} else if (angular.isObject(obj)) {
		if (!opts.inplace)
			result = {};

		_.each(obj, function(val, key) {
			result[lowerCamelCase(key)] = lowerCamelCaseKeys(val);
			if (opts.inplace)
				delete result[key];
		});
	}

	return result;
};