Returns whether or not any nodes exist in the wrapper. Or, if a selector is passed in, whether that selector has any matches in the wrapper.
selector
(EnzymeSelector
[optional]): The selector to check existence for.
Boolean
: whether or not any nodes are on the list, or the selector had any matches.
const wrapper = shallow(<div className="some-class" />);
expect(wrapper.exists('.some-class')).to.equal(true);
expect(wrapper.find('.other-class').exists()).to.equal(false);