docs: function isHtmlFile(code, options) {
      const filePath =
          typeof options.filePath === "string" ? options.filePath : "unknown.js"
      for (const ext of container.targetExtensions) {
          if (filePath.endsWith(ext)) {
              return true
          }
      }
      if (filePath.endsWith(".vue")) {
          return false
      }
      return /^\s*</u.test(code)
  }