A look at the initiator visitor of grandmas-own-jsx

grandma-visitor-initiator.js

module.exports = function ({ types: t }) {
  const GrandmaVisitorInitiator = {
    Program(path) {
      const commentLineTokens = path.parent.comments.filter(
        (token) => token.type === "CommentLine"
      );
      const commentBlockTokens = path.parent.comments.filter(
        (token) => token.type === "CommentBlock"
      );

      if (!commentLineTokens.length || !commentBlockTokens.length) return;

      const grandmasReference = buildGrandmasReference(commentLineTokens);
      const grandmasRecipes = buildGrandmasRecipe(commentBlockTokens);

      path.traverse(GrandmaVisitor, {
        grandmasReference: grandmasReference,
        grandmasRecipes: grandmasRecipes,
      });
    },
  };
  
  return { visitor: GrandmaVisitorInitiator };
};