import { parse } from 'acorn';

// AST transformer adds `getStaticProps` to the tree based on provided mapping
export default function createNextStaticProps(map) {
  return function transformer(tree) {
    tree.children.push({
      type: 'mdxjsEsm',
      data: {
        estree: parse(`export const getStaticProps = () => ({ props: ${map} });`, {
          sourceType: 'module',
          ecmaVersion: 2022,
        }),
      },
    });
  };
}