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lowerFunctionToValue() — react Function Reference

Architecture documentation for the lowerFunctionToValue() function in BuildHIR.ts from the react codebase.

Function typescript MIRInfrastructure HIR calls 1 called by 2

Entity Profile

Dependency Diagram

graph TD
  2e9602e6_59e9_f811_a650_6a66577561c4["lowerFunctionToValue()"]
  e04c04d6_37a7_1dc3_7fae_7d07660d0af9["BuildHIR.ts"]
  2e9602e6_59e9_f811_a650_6a66577561c4 -->|defined in| e04c04d6_37a7_1dc3_7fae_7d07660d0af9
  c01b12bd_811d_9f90_f641_fac8e518dbb7["lowerStatement()"]
  c01b12bd_811d_9f90_f641_fac8e518dbb7 -->|calls| 2e9602e6_59e9_f811_a650_6a66577561c4
  ace1177a_10b2_b870_31fd_da4aa845554c["lowerExpression()"]
  ace1177a_10b2_b870_31fd_da4aa845554c -->|calls| 2e9602e6_59e9_f811_a650_6a66577561c4
  535369af_370f_d1a4_e72e_56482eceef72["lowerFunction()"]
  2e9602e6_59e9_f811_a650_6a66577561c4 -->|calls| 535369af_370f_d1a4_e72e_56482eceef72
  style 2e9602e6_59e9_f811_a650_6a66577561c4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts lines 3462–3482

function lowerFunctionToValue(
  builder: HIRBuilder,
  expr: NodePath<
    t.FunctionExpression | t.ArrowFunctionExpression | t.FunctionDeclaration
  >,
): InstructionValue {
  const exprNode = expr.node;
  const exprLoc = exprNode.loc ?? GeneratedSource;
  const loweredFunc = lowerFunction(builder, expr);
  if (!loweredFunc) {
    return {kind: 'UnsupportedNode', node: exprNode, loc: exprLoc};
  }
  return {
    kind: 'FunctionExpression',
    name: loweredFunc.func.id,
    nameHint: null,
    type: expr.node.type,
    loc: exprLoc,
    loweredFunc,
  };
}

Domain

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Frequently Asked Questions

What does lowerFunctionToValue() do?
lowerFunctionToValue() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts.
Where is lowerFunctionToValue() defined?
lowerFunctionToValue() is defined in compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts at line 3462.
What does lowerFunctionToValue() call?
lowerFunctionToValue() calls 1 function(s): lowerFunction.
What calls lowerFunctionToValue()?
lowerFunctionToValue() is called by 2 function(s): lowerExpression, lowerStatement.

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