lib/object.js
function $keys(params) {
    if (params == null) {
        return params;
    }
    if (params != null && typeof params === 'object') {
        return Object.keys(params);
    }
    throw new Error('$keys expects object');
}
function $keys(params) {
    if (params == null) {
        return params;
    }
    if (params != null && typeof params === 'object') {
        return Object.keys(params);
    }
    throw new Error('$keys expects object');
}
function $keys ( params ) { if ( params == null ) { return params ; } if ( params != null && typeof params === 'object' ) { return Object . keys ( params ) ; } throw new Error ( '$keys expects object' ) ; }
Return the keys of an object

@param {any} params
@returns {string[]}
Return the keys of an object