codegenInstructionValue() — react Function Reference

Source Code

compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/CodegenReactiveFunction.ts lines 1708–2327

function codegenInstructionValue(
  cx: Context,
  instrValue: ReactiveValue,
): t.Expression | t.JSXText {
  let value: t.Expression | t.JSXText;
  switch (instrValue.kind) {
    case 'ArrayExpression': {
      const elements = instrValue.elements.map(element => {
        if (element.kind === 'Identifier') {
          return codegenPlaceToExpression(cx, element);
        } else if (element.kind === 'Spread') {
          return t.spreadElement(codegenPlaceToExpression(cx, element.place));
        } else {
          return null;
        }
      });
      value = t.arrayExpression(elements);
      break;
    }
    case 'BinaryExpression': {
      const left = codegenPlaceToExpression(cx, instrValue.left);
      const right = codegenPlaceToExpression(cx, instrValue.right);
      value = createBinaryExpression(
        instrValue.loc,
        instrValue.operator,
        left,
        right,
      );
      break;
    }
    case 'UnaryExpression': {
      value = t.unaryExpression(
        instrValue.operator,
        codegenPlaceToExpression(cx, instrValue.value),
      );
      break;
    }
    case 'Primitive': {
      value = codegenValue(cx, instrValue.loc, instrValue.value);
      break;
    }
    case 'CallExpression': {
      if (cx.env.config.enableForest) {
        const callee = codegenPlaceToExpression(cx, instrValue.callee);
        const args = instrValue.args.map(arg => codegenArgument(cx, arg));
        value = t.callExpression(callee, args);
        if (instrValue.typeArguments != null) {
          value.typeArguments = t.typeParameterInstantiation(
            instrValue.typeArguments,
          );
        }
        break;
      }
      const isHook = getHookKind(cx.env, instrValue.callee.identifier) != null;
      const callee = codegenPlaceToExpression(cx, instrValue.callee);
      const args = instrValue.args.map(arg => codegenArgument(cx, arg));
      value = createCallExpression(
        cx.env,
        callee,
        args,
        instrValue.loc,
        isHook,
      );
      break;
    }
    case 'OptionalExpression': {
      const optionalValue = codegenInstructionValueToExpression(
        cx,
        instrValue.value,
      );
      switch (optionalValue.type) {
        case 'OptionalCallExpression':
        case 'CallExpression': {
          CompilerError.invariant(t.isExpression(optionalValue.callee), {
            reason: 'v8 intrinsics are validated during lowering',
            loc: optionalValue.callee.loc ?? GeneratedSource,
          });
          value = t.optionalCallExpression(
            optionalValue.callee,
            optionalValue.arguments,
            instrValue.optional,