$ gnpm install babel-plugin-transform-es2015-parameters
Compile ES2015 default and rest parameters to ES5
This plugin transforms ES2015 parameters to ES5, this includes:
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.
.babelrc
(Recommended).babelrc
{
"plugins": ["transform-es2015-parameters"]
}
babel --plugins transform-es2015-parameters script.js
require("babel-core").transform("code", {
plugins: ["transform-es2015-parameters"]
});
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