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shouldComponentUpdate() — react Function Reference

Architecture documentation for the shouldComponentUpdate() function in ReactLegacyCompositeComponent-test.js from the react codebase.

Function javascript BabelCompiler Validation calls 1 called by 2

Entity Profile

Dependency Diagram

graph TD
  a6e7b08e_ec06_42e9_a69d_31616793293b["shouldComponentUpdate()"]
  e7d7ecb6_40da_8ccc_2040_2d7db0e28099["Leaf"]
  a6e7b08e_ec06_42e9_a69d_31616793293b -->|defined in| e7d7ecb6_40da_8ccc_2040_2d7db0e28099
  fc68d5d7_069b_39d3_520d_150f3feb6068["shouldComponentUpdate()"]
  fc68d5d7_069b_39d3_520d_150f3feb6068 -->|calls| a6e7b08e_ec06_42e9_a69d_31616793293b
  bf3670f3_9e96_dde2_682d_3cded366fdd1["shouldComponentUpdate()"]
  bf3670f3_9e96_dde2_682d_3cded366fdd1 -->|calls| a6e7b08e_ec06_42e9_a69d_31616793293b
  fc68d5d7_069b_39d3_520d_150f3feb6068["shouldComponentUpdate()"]
  a6e7b08e_ec06_42e9_a69d_31616793293b -->|calls| fc68d5d7_069b_39d3_520d_150f3feb6068
  style a6e7b08e_ec06_42e9_a69d_31616793293b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-dom/src/__tests__/ReactLegacyCompositeComponent-test.js lines 448–451

      shouldComponentUpdate(nextProps, nextState, nextContext) {
        expect('foo' in nextContext).toBe(true);
        return true;
      }

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Frequently Asked Questions

What does shouldComponentUpdate() do?
shouldComponentUpdate() is a function in the react codebase, defined in packages/react-dom/src/__tests__/ReactLegacyCompositeComponent-test.js.
Where is shouldComponentUpdate() defined?
shouldComponentUpdate() is defined in packages/react-dom/src/__tests__/ReactLegacyCompositeComponent-test.js at line 448.
What does shouldComponentUpdate() call?
shouldComponentUpdate() calls 1 function(s): shouldComponentUpdate.
What calls shouldComponentUpdate()?
shouldComponentUpdate() is called by 2 function(s): shouldComponentUpdate, shouldComponentUpdate.

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