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promoteTemporary() — react Function Reference

Architecture documentation for the promoteTemporary() function in HIR.ts from the react codebase.

Function typescript MIRInfrastructure HIR calls 1 called by 6

Entity Profile

Dependency Diagram

graph TD
  216a4c34_910d_7936_33eb_adf13df70310["promoteTemporary()"]
  18a78965_f593_105b_e5e8_07001321c2ec["HIR.ts"]
  216a4c34_910d_7936_33eb_adf13df70310 -->|defined in| 18a78965_f593_105b_e5e8_07001321c2ec
  f214c28b_2f6d_b5a3_71e1_9a69d9b50455["lower()"]
  f214c28b_2f6d_b5a3_71e1_9a69d9b50455 -->|calls| 216a4c34_910d_7936_33eb_adf13df70310
  c01b12bd_811d_9f90_f641_fac8e518dbb7["lowerStatement()"]
  c01b12bd_811d_9f90_f641_fac8e518dbb7 -->|calls| 216a4c34_910d_7936_33eb_adf13df70310
  b98634fa_1f83_e1bb_1406_d07e28c93b41["lowerAssignment()"]
  b98634fa_1f83_e1bb_1406_d07e28c93b41 -->|calls| 216a4c34_910d_7936_33eb_adf13df70310
  d88e3a28_acde_4a3d_a038_a77b8e6fdace["collectProps()"]
  d88e3a28_acde_4a3d_a038_a77b8e6fdace -->|calls| 216a4c34_910d_7936_33eb_adf13df70310
  c201bbda_dc3c_7b58_7ce0_7d61d25ef972["emitOutlinedFn()"]
  c201bbda_dc3c_7b58_7ce0_7d61d25ef972 -->|calls| 216a4c34_910d_7936_33eb_adf13df70310
  81fadb8d_22f1_6208_bbd3_8af4016beda9["promoteIdentifier()"]
  81fadb8d_22f1_6208_bbd3_8af4016beda9 -->|calls| 216a4c34_910d_7936_33eb_adf13df70310
  041ca752_10c1_3cda_1f5c_02f44a01310e["invariant()"]
  216a4c34_910d_7936_33eb_adf13df70310 -->|calls| 041ca752_10c1_3cda_1f5c_02f44a01310e
  style 216a4c34_910d_7936_33eb_adf13df70310 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/HIR/HIR.ts lines 1372–1382

export function promoteTemporary(identifier: Identifier): void {
  CompilerError.invariant(identifier.name === null, {
    reason: `Expected a temporary (unnamed) identifier`,
    description: `Identifier already has a name, \`${identifier.name}\``,
    loc: GeneratedSource,
  });
  identifier.name = {
    kind: 'promoted',
    value: `#t${identifier.declarationId}`,
  };
}

Domain

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Defined In

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Source

Frequently Asked Questions

What does promoteTemporary() do?
promoteTemporary() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/HIR/HIR.ts.
Where is promoteTemporary() defined?
promoteTemporary() is defined in compiler/packages/babel-plugin-react-compiler/src/HIR/HIR.ts at line 1372.
What does promoteTemporary() call?
promoteTemporary() calls 1 function(s): invariant.
What calls promoteTemporary()?
promoteTemporary() is called by 6 function(s): collectProps, emitOutlinedFn, lower, lowerAssignment, lowerStatement, promoteIdentifier.

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