visitPlace() — react Function Reference

Source Code

compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/PromoteUsedTemporaries.ts lines 262–283

  override visitPlace(
    _id: InstructionId,
    place: Place,
    state: InterState,
  ): void {
    const promo = state.get(place.identifier.id);
    if (promo) {
      const [identifier, needsPromotion] = promo;
      if (
        needsPromotion &&
        identifier.name === null &&
        !this.#consts.has(identifier.id)
      ) {
        /*
         * If the identifier hasn't been promoted but is marked as needing
         * promotion by the logic in `visitInstruction`, and we've seen a
         * use of it after said marking, promote it
         */
        promoteIdentifier(identifier, this.#promotable);
      }
    }
  }