# @babel/plugin-external-helpers ## Installation ```sh npm install --save-dev @babel/plugin-external-helpers ``` ## Usage ### Via `.babelrc` (Recommended) **.babelrc** ```json { "plugins": ["@babel/external-helpers"] } ``` ### Via CLI ```sh babel --plugins @babel/external-helpers script.js ``` ### Via Node API ```javascript require("@babel/core").transform("code", { plugins: ["@babel/external-helpers"] }); ```