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assertTerminalSuccessorsExist() — react Function Reference

Architecture documentation for the assertTerminalSuccessorsExist() function in AssertTerminalBlocksExist.ts from the react codebase.

Function typescript MIRInfrastructure HIR calls 3

Entity Profile

Dependency Diagram

graph TD
  ce70693f_ea04_ec00_ebf7_471842f5db19["assertTerminalSuccessorsExist()"]
  572aada9_286c_f6c1_f21b_7883e8a8a120["AssertTerminalBlocksExist.ts"]
  ce70693f_ea04_ec00_ebf7_471842f5db19 -->|defined in| 572aada9_286c_f6c1_f21b_7883e8a8a120
  1e59d6f3_b074_b12f_86b8_b6d2fe62021a["mapTerminalSuccessors()"]
  ce70693f_ea04_ec00_ebf7_471842f5db19 -->|calls| 1e59d6f3_b074_b12f_86b8_b6d2fe62021a
  041ca752_10c1_3cda_1f5c_02f44a01310e["invariant()"]
  ce70693f_ea04_ec00_ebf7_471842f5db19 -->|calls| 041ca752_10c1_3cda_1f5c_02f44a01310e
  809a0fbd_e458_a174_789b_dc2fd017231a["printTerminal()"]
  ce70693f_ea04_ec00_ebf7_471842f5db19 -->|calls| 809a0fbd_e458_a174_789b_dc2fd017231a
  style ce70693f_ea04_ec00_ebf7_471842f5db19 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/HIR/AssertTerminalBlocksExist.ts lines 13–26

export function assertTerminalSuccessorsExist(fn: HIRFunction): void {
  for (const [, block] of fn.body.blocks) {
    mapTerminalSuccessors(block.terminal, successor => {
      CompilerError.invariant(fn.body.blocks.has(successor), {
        reason: `Terminal successor references unknown block`,
        description: `Block bb${successor} does not exist for terminal '${printTerminal(
          block.terminal,
        )}'`,
        loc: (block.terminal as any).loc ?? GeneratedSource,
      });
      return successor;
    });
  }
}

Domain

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Defined In

Calls

Source

Frequently Asked Questions

What does assertTerminalSuccessorsExist() do?
assertTerminalSuccessorsExist() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/HIR/AssertTerminalBlocksExist.ts.
Where is assertTerminalSuccessorsExist() defined?
assertTerminalSuccessorsExist() is defined in compiler/packages/babel-plugin-react-compiler/src/HIR/AssertTerminalBlocksExist.ts at line 13.
What does assertTerminalSuccessorsExist() call?
assertTerminalSuccessorsExist() calls 3 function(s): invariant, mapTerminalSuccessors, printTerminal.

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