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updateScopeDeclarations() — react Function Reference

Architecture documentation for the updateScopeDeclarations() function in MergeReactiveScopesThatInvalidateTogether.ts from the react codebase.

Function typescript BabelCompiler Validation called by 1

Entity Profile

Dependency Diagram

graph TD
  96ea77cd_c72d_e8a8_1897_f9e11e062fbe["updateScopeDeclarations()"]
  006711fe_6949_9be8_4726_2031284f3328["MergeReactiveScopesThatInvalidateTogether.ts"]
  96ea77cd_c72d_e8a8_1897_f9e11e062fbe -->|defined in| 006711fe_6949_9be8_4726_2031284f3328
  11690004_c468_3b6b_f07f_36a6501f870a["visitBlock()"]
  11690004_c468_3b6b_f07f_36a6501f870a -->|calls| 96ea77cd_c72d_e8a8_1897_f9e11e062fbe
  style 96ea77cd_c72d_e8a8_1897_f9e11e062fbe fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/MergeReactiveScopesThatInvalidateTogether.ts lines 405–415

function updateScopeDeclarations(
  scope: ReactiveScope,
  lastUsage: Map<DeclarationId, InstructionId>,
): void {
  for (const [id, decl] of scope.declarations) {
    const lastUsedAt = lastUsage.get(decl.identifier.declarationId)!;
    if (lastUsedAt < scope.range.end) {
      scope.declarations.delete(id);
    }
  }
}

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Called By

Source

Frequently Asked Questions

What does updateScopeDeclarations() do?
updateScopeDeclarations() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/MergeReactiveScopesThatInvalidateTogether.ts.
Where is updateScopeDeclarations() defined?
updateScopeDeclarations() is defined in compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/MergeReactiveScopesThatInvalidateTogether.ts at line 405.
What calls updateScopeDeclarations()?
updateScopeDeclarations() is called by 1 function(s): visitBlock.

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