website/playground/util.js/getAstAutoFold
export function getAstAutoFold(parser) {
  switch (parser) {
    case "flow":
    case "babel":
    case "babel-flow":
    case "babel-ts":
    case "typescript":
    case "json":
    case "json5":
    case "json-stringify":
      return astAutoFold.estree;
    case "css":
    case "less":
    case "scss":
      return astAutoFold.postcss;
    case "html":
    case "angular":
    case "vue":
    case "lwc":
      return astAutoFold.html;
    case "markdown":
    case "mdx":
      return astAutoFold.mdast;
    case "yaml":
      return astAutoFold.yaml;
    case "glimmer":
      return astAutoFold.glimmer;
  }
}