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RewriteBlockIds Class — react Architecture

Architecture documentation for the RewriteBlockIds class in StabilizeBlockIds.ts from the react codebase.

Class typescript BabelCompiler

Entity Profile

Dependency Diagram

graph TD
  018a4be0_a806_4852_96cb_ce5417b70e5d["RewriteBlockIds"]
  cc16bb5e_e9d5_74bd_0764_79875a9ffa5b["StabilizeBlockIds.ts"]
  018a4be0_a806_4852_96cb_ce5417b70e5d -->|defined in| cc16bb5e_e9d5_74bd_0764_79875a9ffa5b
  159d2ac9_417f_4dd5_267f_2b3dd2be80ce["visitScope()"]
  018a4be0_a806_4852_96cb_ce5417b70e5d -->|method| 159d2ac9_417f_4dd5_267f_2b3dd2be80ce
  8f15af1e_7e01_3717_a54f_6134e46e8d14["visitTerminal()"]
  018a4be0_a806_4852_96cb_ce5417b70e5d -->|method| 8f15af1e_7e01_3717_a54f_6134e46e8d14

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/StabilizeBlockIds.ts lines 51–87

class RewriteBlockIds extends ReactiveFunctionVisitor<Map<BlockId, BlockId>> {
  override visitScope(
    scope: ReactiveScopeBlock,
    state: Map<BlockId, BlockId>,
  ): void {
    const {earlyReturnValue} = scope.scope;
    if (earlyReturnValue != null) {
      const rewrittenId = getOrInsertDefault(
        state,
        earlyReturnValue.label,
        state.size,
      );
      earlyReturnValue.label = makeBlockId(rewrittenId);
    }
    this.traverseScope(scope, state);
  }
  override visitTerminal(
    stmt: ReactiveTerminalStatement,
    state: Map<BlockId, BlockId>,
  ): void {
    if (stmt.label != null) {
      const rewrittenId = getOrInsertDefault(state, stmt.label.id, state.size);
      stmt.label.id = makeBlockId(rewrittenId);
    }

    const terminal = stmt.terminal;
    if (terminal.kind === 'break' || terminal.kind === 'continue') {
      const rewrittenId = getOrInsertDefault(
        state,
        terminal.target,
        state.size,
      );
      terminal.target = makeBlockId(rewrittenId);
    }
    this.traverseTerminal(stmt, state);
  }
}

Domain

Defined In

Source

Frequently Asked Questions

What is the RewriteBlockIds class?
RewriteBlockIds is a class in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/StabilizeBlockIds.ts.
Where is RewriteBlockIds defined?
RewriteBlockIds is defined in compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/StabilizeBlockIds.ts at line 51.

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