test-repo/tests/integration/plugins/automatic/node_modules/@user/prettier-plugin-foobar/index.js

"use strict";

module.exports = {
  languages: [
    {
      name: "foobar",
      parsers: ["foobar"],
      extensions: [".foobar"],
    },
  ],
  parsers: {
    foobar: {
      parse: text => ({ text }),
      astFormat: "foobar",
    },
  },
  printers: {
    foobar: {
      async print(path) {
        const { default: prettier } = await import(
          "../../../../../../config/prettier-entry.js"
        );
        const { concat } = prettier.doc.builders;
        return concat(["foobar+", path.getValue().text]);
      },
    },
  },
};