babel-plugin-undeclared-variables-check

Throw a compile-time error on references to undeclared variables

Installation

``sh
$ npm install babel-plugin-undeclared-variables-check
`

Usage

$3

.babelrc

`json
{
"plugins": ["undeclared-variables-check"]
}
`

$3

`sh
$ babel --plugins undeclared-variables-check script.js
`

$3

`javascript
require("babel-core").transform("code", {
plugins: ["undeclared-variables-check"]
});
``