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var babelPluginTransformEs2015Parameters = require("babel-plugin-transform-es2015-parameters")

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babel-plugin-transform-es2015-parameters v6.24.1

Compile ES2015 default and rest parameters to ES5


Compile ES2015 default and rest parameters to ES5

This plugin transforms ES2015 parameters to ES5, this includes:

  • Destructuring parameters
  • Default parameters
  • Rest parameters


npm install --save-dev babel-plugin-transform-es2015-parameters


Default parameters desugar into let declarations to retain proper semantics. If this is not supported in your environment then you'll need the transform-block-scoping plugin.


Via .babelrc (Recommended)


  "plugins": ["transform-es2015-parameters"]


babel --plugins transform-es2015-parameters script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["transform-es2015-parameters"]
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