1function isObjectEmpty(obj) {
2    return Object.keys(obj).length === 0;
3}

1function isEmptyObject(obj) {
2    return !Object.keys(obj).length;
3}

1const empty = {};
2/* -------------------------
3  Plain JS for Newer Browser
4----------------------------*/
5Object.keys(empty).length === 0 && empty.constructor === Object
6// true
7/* -------------------------
8  Lodash for Older Browser
9----------------------------*/
10_.isEmpty(empty)
11// true

1//when this.state.errors object is empty 
2if (Object.keys(this.state.errors).length == 0) {
3  this.props.updateUser(user);
4  this.props.navigation.goBack();
5}

1> !!Object.keys(obj).length;

1Object.entries(objectToCheck).length === 0
2