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_ErrorBoundary Class — react Architecture

Architecture documentation for the _ErrorBoundary class in useMemoCache-test.js from the react codebase.

Class javascript

Entity Profile

Dependency Diagram

graph TD
  4847c1c1_949a_43c1_928d_1acdec6a4ba7["_ErrorBoundary"]
  70ec3513_2313_b17c_3240_e0d8c9a2cf91["useMemoCache-test.js"]
  4847c1c1_949a_43c1_928d_1acdec6a4ba7 -->|defined in| 70ec3513_2313_b17c_3240_e0d8c9a2cf91
  4370b7cb_6579_6ed0_033e_c1005f89934a["constructor()"]
  4847c1c1_949a_43c1_928d_1acdec6a4ba7 -->|method| 4370b7cb_6579_6ed0_033e_c1005f89934a
  68a892f7_011d_d59f_1527_0170768289bd["getDerivedStateFromError()"]
  4847c1c1_949a_43c1_928d_1acdec6a4ba7 -->|method| 68a892f7_011d_d59f_1527_0170768289bd
  1755bd7d_a106_c5ed_c3da_eae01fe5cc7f["componentDidCatch()"]
  4847c1c1_949a_43c1_928d_1acdec6a4ba7 -->|method| 1755bd7d_a106_c5ed_c3da_eae01fe5cc7f
  6bd80577_ca3b_9c0c_eca4_a157035ce18e["render()"]
  4847c1c1_949a_43c1_928d_1acdec6a4ba7 -->|method| 6bd80577_ca3b_9c0c_eca4_a157035ce18e

Relationship Graph

Source Code

packages/react-reconciler/src/__tests__/useMemoCache-test.js lines 36–57

    class _ErrorBoundary extends React.Component {
      constructor(props) {
        super(props);
        this.state = {hasError: false};
      }

      static getDerivedStateFromError(error) {
        // Update state so the next render will show the fallback UI.
        return {hasError: true};
      }

      componentDidCatch(error, errorInfo) {}

      render() {
        if (this.state.hasError) {
          // You can render any custom fallback UI
          return <h1>Something went wrong.</h1>;
        }

        return this.props.children;
      }
    }

Defined In

Source

Frequently Asked Questions

What is the _ErrorBoundary class?
_ErrorBoundary is a class in the react codebase, defined in packages/react-reconciler/src/__tests__/useMemoCache-test.js.
Where is _ErrorBoundary defined?
_ErrorBoundary is defined in packages/react-reconciler/src/__tests__/useMemoCache-test.js at line 36.

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