babel/packages/babel-plugin-transform-es2015-block-scoped-functions/README.md

@babel/plugin-transform-es2015-block-scoped-functions

Babel plugin to ensure function declarations at the block level are block scoped.

Examples

In

{
  function name (n) {
    return n;
  }
}

name("Steve");

Out

{
  var _name = function _name(n) {
    return n;
  };
}

name("Steve");

Installation

npm install --save-dev @babel/plugin-transform-es2015-block-scoped-functions

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["@babel/transform-es2015-block-scoped-functions"]
}

Via CLI

babel --plugins @babel/transform-es2015-block-scoped-functions script.js

Via Node API

require("@babel/core").transform("code", {
  plugins: ["@babel/transform-es2015-block-scoped-functions"]
});