function tryResolveGenericTypeAnnotation()

in src/utils/resolveGenericTypeAnnotation.ts [8:42]

• 30 lines of code
• 8 McCabe index (conditional complexity)

function tryResolveGenericTypeAnnotation(
  path: NodePath,
  importer: Importer,
): NodePath | undefined {
  let typePath = unwrapUtilityType(path);
  let idPath;

  if (typePath.node.id) {
    idPath = typePath.get('id');
  } else if (t.TSTypeReference.check(typePath.node)) {
    idPath = typePath.get('typeName');
  } else if (t.TSExpressionWithTypeArguments.check(typePath.node)) {
    idPath = typePath.get('expression');
  }

  if (idPath) {
    typePath = resolveToValue(idPath, importer);
    if (isUnreachableFlowType(typePath)) {
      return;
    }

    if (t.TypeAlias.check(typePath.node)) {
      return tryResolveGenericTypeAnnotation(typePath.get('right'), importer);
    } else if (t.TSTypeAliasDeclaration.check(typePath.node)) {
      return tryResolveGenericTypeAnnotation(
        typePath.get('typeAnnotation'),
        importer,
      );
    }

    return typePath;
  }

  return typePath;
}