wrapper.instance() is null on class component · Issue #2082 · enzymejs/ enzyme · GitHub
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Enzyme: Wrapper#instance() returns React$Component instead of the original component class · Issue #925 · flow-typed/flow-typed · GitHub
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wrapper.instance() returns null under React 16 · Issue #1250 · enzymejs/ enzyme · GitHub
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wrapper.instance() is always undefined · Issue #1104 · enzymejs/enzyme · GitHub
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