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Component Class — react Architecture

Architecture documentation for the Component class in ReactLegacyUpdates-test.js from the react codebase.

Class javascript

Entity Profile

Dependency Diagram

graph TD
  281637bb_43aa_75dc_b515_52beb7c72e3d["Component"]
  57bbe153_3647_1eae_6c86_4e9ee333eae2["ReactLegacyUpdates-test.js"]
  281637bb_43aa_75dc_b515_52beb7c72e3d -->|defined in| 57bbe153_3647_1eae_6c86_4e9ee333eae2
  450ccbad_3a93_9121_2e88_fdbcd549c38f["componentDidUpdate()"]
  281637bb_43aa_75dc_b515_52beb7c72e3d -->|method| 450ccbad_3a93_9121_2e88_fdbcd549c38f
  60f9867f_b412_4456_700c_ace0a15145e9["render()"]
  281637bb_43aa_75dc_b515_52beb7c72e3d -->|method| 60f9867f_b412_4456_700c_ace0a15145e9
  7c6e7211_aa8b_503a_7428_e740a4de0d82["shouldComponentUpdate()"]
  281637bb_43aa_75dc_b515_52beb7c72e3d -->|method| 7c6e7211_aa8b_503a_7428_e740a4de0d82

Relationship Graph

Source Code

packages/react-dom/src/__tests__/ReactLegacyUpdates-test.js lines 43–53

    class Component extends React.Component {
      state = {x: 0};

      componentDidUpdate() {
        updateCount++;
      }

      render() {
        return <div>{this.state.x}</div>;
      }
    }

Defined In

Source

Frequently Asked Questions

What is the Component class?
Component is a class in the react codebase, defined in packages/react-dom/src/__tests__/ReactLegacyUpdates-test.js.
Where is Component defined?
Component is defined in packages/react-dom/src/__tests__/ReactLegacyUpdates-test.js at line 43.

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