assign() — react Function Reference

Architecture documentation for the assign() function in InferMutationAliasingEffects.ts from the react codebase.

Function typescript BabelCompiler Validation calls 2 called by 1

Entity Profile

BabelCompiler→ Validation→ assign() — react Function Reference

Dependency Diagram

graph TD
  953c4d58_4239_ada6_0ba7_cf09db9625fe["assign()"]
  7f9a06c8_8e18_76fc_0edd_1f0d608aae44["InferenceState"]
  953c4d58_4239_ada6_0ba7_cf09db9625fe -->|defined in| 7f9a06c8_8e18_76fc_0edd_1f0d608aae44
  7cb90dd3_dbe0_0087_670d_277ddeadabfc["applyEffect()"]
  7cb90dd3_dbe0_0087_670d_277ddeadabfc -->|calls| 953c4d58_4239_ada6_0ba7_cf09db9625fe
  041ca752_10c1_3cda_1f5c_02f44a01310e["invariant()"]
  953c4d58_4239_ada6_0ba7_cf09db9625fe -->|calls| 041ca752_10c1_3cda_1f5c_02f44a01310e
  e7a01d7c_c128_be66_a07d_007952a380da["printIdentifier()"]
  953c4d58_4239_ada6_0ba7_cf09db9625fe -->|calls| e7a01d7c_c128_be66_a07d_007952a380da
  style 953c4d58_4239_ada6_0ba7_cf09db9625fe fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/Inference/InferMutationAliasingEffects.ts lines 1391–1400

  assign(place: Place, value: Place): void {
    const values = this.#variables.get(value.identifier.id);
    CompilerError.invariant(values != null, {
      reason: `[InferMutationAliasingEffects] Expected value for identifier to be initialized`,
      description: `${printIdentifier(value.identifier)}`,
      message: 'Expected value for identifier to be initialized',
      loc: value.loc,
    });
    this.#variables.set(place.identifier.id, new Set(values));
  }