test-repo/tests/format/misc/front-matter/with-plugins/format.test.js

import { outdent } from "outdent";
import prettierPluginDummyToml from "../../../../config/prettier-plugins/prettier-plugin-dummy-toml/index.js";

runFormatTest(
  {
    importMeta: import.meta,
    snippets: [
      outdent`
        +++
        TOML Front Matter content
        +++
      `,
      outdent`
        ---toml
        TOML Front Matter content
        ---
      `,
    ],
  },
  [
    "markdown",
    "mdx",
    "css",
    "scss",
    "less",
    "html",
    // Can't test since it doesn't print new line
    // "glimmer",
  ],
  { plugins: [prettierPluginDummyToml] },
);