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render() — react Function Reference

Architecture documentation for the render() function in evaluator.ts from the react codebase.

Function typescript BabelCompiler Optimization called by 2

Entity Profile

Dependency Diagram

graph TD
  d81e0572_43a5_0109_b0bc_3a853972f427["render()"]
  58a007b3_80d2_0d8b_180c_bddb544cd282["WrapperTestComponentWithErrorBoundary"]
  d81e0572_43a5_0109_b0bc_3a853972f427 -->|defined in| 58a007b3_80d2_0d8b_180c_bddb544cd282
  9698a34f_5e7c_5190_40e5_024dc7eb47ae["renderComponentSequentiallyForEachProps()"]
  9698a34f_5e7c_5190_40e5_024dc7eb47ae -->|calls| d81e0572_43a5_0109_b0bc_3a853972f427
  850ee738_6992_b2d7_3104_159fba313678["evaluateFixtureExport()"]
  850ee738_6992_b2d7_3104_159fba313678 -->|calls| d81e0572_43a5_0109_b0bc_3a853972f427
  style d81e0572_43a5_0109_b0bc_3a853972f427 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/snap/src/sprout/evaluator.ts lines 92–111

  override render() {
    if (
      this.state.errorFromLastRender !== NO_ERROR_SENTINEL &&
      this.props === this.lastProps
    ) {
      /**
       * The last render errored, cache the error message to avoid running the
       * test fixture more than once
       */
      const errorMsg = `[[ (exception in render) ${this.state.errorFromLastRender?.toString()} ]]`;
      this.propsErrorMap.set(this.lastProps, errorMsg);
      return errorMsg;
    }
    this.lastProps = this.props;
    const cachedError = this.propsErrorMap.get(this.props);
    if (cachedError != null) {
      return cachedError;
    }
    return React.createElement(WrapperTestComponent, this.props);
  }

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does render() do?
render() is a function in the react codebase, defined in compiler/packages/snap/src/sprout/evaluator.ts.
Where is render() defined?
render() is defined in compiler/packages/snap/src/sprout/evaluator.ts at line 92.
What calls render()?
render() is called by 2 function(s): evaluateFixtureExport, renderComponentSequentiallyForEachProps.

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