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Showing content from https://enzymejs.github.io/enzyme/docs/api/ShallowWrapper/first.html below:

first() · Enzyme

Reduce the set of matched nodes to the first in the set, just like .at(0).

ShallowWrapper: A new wrapper that wraps the first node in the set.

const wrapper = shallow(<MyComponent />);
expect(wrapper.find(Foo).first().props().foo).to.equal('bar');

• .at(index) => ShallowWrapper - retrieve any wrapper node
• .last() => ShallowWrapper

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