https://github.com/jonschlinkert/gray-matter

pm install gray-matter

import matter from "gray-matter";

function GrayMatter() {
  console.log(matter("---\ntitle: Front Matter\n---\nThis is content."));
}

export default function Home() {
  GrayMatter();
  return (
    <>
      <h1>Hello</h1>
    </>
  );
}