mapTerminalBlocks() — react Function Reference

Architecture documentation for the mapTerminalBlocks() function in visitors.ts from the react codebase.

Function typescript BabelCompiler Validation calls 1

Entity Profile

BabelCompiler→ Validation→ mapTerminalBlocks() — react Function Reference

Dependency Diagram

graph TD
  7d3d92a3_0cc1_678c_0580_8a88df69e7d4["mapTerminalBlocks()"]
  21609915_b03a_fd75_b58a_4cb86ef9315b["visitors.ts"]
  7d3d92a3_0cc1_678c_0580_8a88df69e7d4 -->|defined in| 21609915_b03a_fd75_b58a_4cb86ef9315b
  d7fde76c_4fd9_feb3_299b_798689f05bc6["assertExhaustive()"]
  7d3d92a3_0cc1_678c_0580_8a88df69e7d4 -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
  style 7d3d92a3_0cc1_678c_0580_8a88df69e7d4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/visitors.ts lines 607–666

export function mapTerminalBlocks(
  terminal: ReactiveTerminal,
  fn: (block: ReactiveBlock) => ReactiveBlock,
): void {
  switch (terminal.kind) {
    case 'break':
    case 'continue':
    case 'return':
    case 'throw': {
      break;
    }
    case 'for': {
      terminal.loop = fn(terminal.loop);
      break;
    }
    case 'for-of': {
      terminal.loop = fn(terminal.loop);
      break;
    }
    case 'for-in': {
      terminal.loop = fn(terminal.loop);
      break;
    }
    case 'do-while':
    case 'while': {
      terminal.loop = fn(terminal.loop);
      break;
    }
    case 'if': {
      terminal.consequent = fn(terminal.consequent);
      if (terminal.alternate !== null) {
        terminal.alternate = fn(terminal.alternate);
      }
      break;
    }
    case 'switch': {
      for (const case_ of terminal.cases) {
        if (case_.block !== undefined) {
          case_.block = fn(case_.block);
        }
      }
      break;
    }
    case 'label': {
      terminal.block = fn(terminal.block);
      break;
    }
    case 'try': {
      terminal.block = fn(terminal.block);
      terminal.handler = fn(terminal.handler);
      break;
    }
    default: {
      assertExhaustive(
        terminal,
        `Unexpected terminal kind \`${(terminal as any).kind}\``,
      );
    }
  }
}