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guardCheck() — react Function Reference

Architecture documentation for the guardCheck() function in ValidateNoRefAccessInRender.ts from the react codebase.

Function typescript BabelCompiler Validation calls 4 called by 1

Entity Profile

Dependency Diagram

graph TD
  89e1ad5f_0080_5b75_7e52_bb15b77f2b4c["guardCheck()"]
  8dbbe52d_b145_88fe_e0da_33d06180b558["ValidateNoRefAccessInRender.ts"]
  89e1ad5f_0080_5b75_7e52_bb15b77f2b4c -->|defined in| 8dbbe52d_b145_88fe_e0da_33d06180b558
  b2292640_a950_f66a_1a21_4fa1d74f094d["validateNoRefAccessInRenderImpl()"]
  b2292640_a950_f66a_1a21_4fa1d74f094d -->|calls| 89e1ad5f_0080_5b75_7e52_bb15b77f2b4c
  03dffe4e_b34b_74b6_636a_f8dfe1a2b604["get()"]
  89e1ad5f_0080_5b75_7e52_bb15b77f2b4c -->|calls| 03dffe4e_b34b_74b6_636a_f8dfe1a2b604
  02303def_636f_c5b3_a751_1cf138fcea69["pushDiagnostic()"]
  89e1ad5f_0080_5b75_7e52_bb15b77f2b4c -->|calls| 02303def_636f_c5b3_a751_1cf138fcea69
  ac13f5c1_be17_dd7a_6bd3_66d91c46aadf["create()"]
  89e1ad5f_0080_5b75_7e52_bb15b77f2b4c -->|calls| ac13f5c1_be17_dd7a_6bd3_66d91c46aadf
  1a2b7047_24c8_62d6_b328_5f07307d27ab["withDetails()"]
  89e1ad5f_0080_5b75_7e52_bb15b77f2b4c -->|calls| 1a2b7047_24c8_62d6_b328_5f07307d27ab
  style 89e1ad5f_0080_5b75_7e52_bb15b77f2b4c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/Validation/ValidateNoRefAccessInRender.ts lines 769–783

function guardCheck(errors: CompilerError, operand: Place, env: Env): void {
  if (env.get(operand.identifier.id)?.kind === 'Guard') {
    errors.pushDiagnostic(
      CompilerDiagnostic.create({
        category: ErrorCategory.Refs,
        reason: 'Cannot access refs during render',
        description: ERROR_DESCRIPTION,
      }).withDetails({
        kind: 'error',
        loc: operand.loc,
        message: `Cannot access ref value during render`,
      }),
    );
  }
}

Domain

Subdomains

Defined In

Calls

Called By

Source

Frequently Asked Questions

What does guardCheck() do?
guardCheck() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/Validation/ValidateNoRefAccessInRender.ts.
Where is guardCheck() defined?
guardCheck() is defined in compiler/packages/babel-plugin-react-compiler/src/Validation/ValidateNoRefAccessInRender.ts at line 769.
What does guardCheck() call?
guardCheck() calls 4 function(s): create, get, pushDiagnostic, withDetails.
What calls guardCheck()?
guardCheck() is called by 1 function(s): validateNoRefAccessInRenderImpl.

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