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applyCompiledFunctions() — react Function Reference

Architecture documentation for the applyCompiledFunctions() function in Program.ts from the react codebase.

Function typescript BabelCompiler Entrypoint calls 7 called by 1

Entity Profile

Dependency Diagram

graph TD
  11c511ca_2971_a23f_cfd6_2897f2fe1b13["applyCompiledFunctions()"]
  9aa4477d_960b_1ea1_b6d9_36076aaa70bd["Program.ts"]
  11c511ca_2971_a23f_cfd6_2897f2fe1b13 -->|defined in| 9aa4477d_960b_1ea1_b6d9_36076aaa70bd
  1c9af54b_10e9_8985_e772_1f517e46c560["compileProgram()"]
  1c9af54b_10e9_8985_e772_1f517e46c560 -->|calls| 11c511ca_2971_a23f_cfd6_2897f2fe1b13
  1e86a202_a347_7857_88d3_50b0dc42a045["createNewFunctionNode()"]
  11c511ca_2971_a23f_cfd6_2897f2fe1b13 -->|calls| 1e86a202_a347_7857_88d3_50b0dc42a045
  eeae9a52_a6ca_1fc5_b5ef_49075de37df1["findDirectivesDynamicGating()"]
  11c511ca_2971_a23f_cfd6_2897f2fe1b13 -->|calls| eeae9a52_a6ca_1fc5_b5ef_49075de37df1
  58e83968_5fd8_9e9f_e4be_1f50e95f54dc["getFunctionReferencedBeforeDeclarationAtTopLevel()"]
  11c511ca_2971_a23f_cfd6_2897f2fe1b13 -->|calls| 58e83968_5fd8_9e9f_e4be_1f50e95f54dc
  77b776cd_a7c8_1d29_ba32_e5a39fa85dd9["insertGatedFunctionDeclaration()"]
  11c511ca_2971_a23f_cfd6_2897f2fe1b13 -->|calls| 77b776cd_a7c8_1d29_ba32_e5a39fa85dd9
  e19f561e_cb2d_6161_2ab6_1c6533ed4958["addImportsToProgram()"]
  11c511ca_2971_a23f_cfd6_2897f2fe1b13 -->|calls| e19f561e_cb2d_6161_2ab6_1c6533ed4958
  46bdf8e6_4a50_0326_ba9a_f74ee3cfc291["isOk()"]
  11c511ca_2971_a23f_cfd6_2897f2fe1b13 -->|calls| 46bdf8e6_4a50_0326_ba9a_f74ee3cfc291
  5228ee8c_dc7c_d859_3f41_614fd9c00374["unwrap()"]
  11c511ca_2971_a23f_cfd6_2897f2fe1b13 -->|calls| 5228ee8c_dc7c_d859_3f41_614fd9c00374
  style 11c511ca_2971_a23f_cfd6_2897f2fe1b13 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/Entrypoint/Program.ts lines 799–841

function applyCompiledFunctions(
  program: NodePath<t.Program>,
  compiledFns: Array<CompileResult>,
  pass: CompilerPass,
  programContext: ProgramContext,
): void {
  let referencedBeforeDeclared = null;
  for (const result of compiledFns) {
    const {kind, originalFn, compiledFn} = result;
    const transformedFn = createNewFunctionNode(originalFn, compiledFn);
    programContext.alreadyCompiled.add(transformedFn);

    let dynamicGating: ExternalFunction | null = null;
    if (originalFn.node.body.type === 'BlockStatement') {
      const result = findDirectivesDynamicGating(
        originalFn.node.body.directives,
        pass.opts,
      );
      if (result.isOk()) {
        dynamicGating = result.unwrap()?.gating ?? null;
      }
    }
    const functionGating = dynamicGating ?? pass.opts.gating;
    if (kind === 'original' && functionGating != null) {
      referencedBeforeDeclared ??=
        getFunctionReferencedBeforeDeclarationAtTopLevel(program, compiledFns);
      insertGatedFunctionDeclaration(
        originalFn,
        transformedFn,
        programContext,
        functionGating,
        referencedBeforeDeclared.has(result),
      );
    } else {
      originalFn.replaceWith(transformedFn);
    }
  }

  // Forget compiled the component, we need to update existing imports of useMemoCache
  if (compiledFns.length > 0) {
    addImportsToProgram(program, programContext);
  }
}

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Frequently Asked Questions

What does applyCompiledFunctions() do?
applyCompiledFunctions() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/Entrypoint/Program.ts.
Where is applyCompiledFunctions() defined?
applyCompiledFunctions() is defined in compiler/packages/babel-plugin-react-compiler/src/Entrypoint/Program.ts at line 799.
What does applyCompiledFunctions() call?
applyCompiledFunctions() calls 7 function(s): addImportsToProgram, createNewFunctionNode, findDirectivesDynamicGating, getFunctionReferencedBeforeDeclarationAtTopLevel, insertGatedFunctionDeclaration, isOk, unwrap.
What calls applyCompiledFunctions()?
applyCompiledFunctions() is called by 1 function(s): compileProgram.

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