code: function getModuleName(nameOrPath) {
      let end = nameOrPath.indexOf("/")
      if (end !== -1 && nameOrPath[0] === "@") {
          end = nameOrPath.indexOf("/", 1 + end)
      }
  
      return end === -1 ? nameOrPath : nameOrPath.slice(0, end)
  }
docs: Gets the module name of a given path.
  
  e.g. `eslint/lib/ast-utils` -> `eslint`
  
  @param {string} nameOrPath - A path to get.
  @returns {string} The module name of the path.