babel-plugin-transform-strict-mode

> This plugin places a "use strict"; directive at the top of all files to enable strict mode.

This plugin may be enabled via babel-plugin-transform-es2015-modules-commonjs.
If you wish to disable it you can either turn strict off or pass
strictMode: false as an option to the commonjs transform.

Example

In

``javascript
foo();
`

Out

`javascript
"use strict";

foo();
`

Installation

`sh
npm install --save-dev babel-plugin-transform-strict-mode
`

Usage

$3

.babelrc

Without options:

`json
{
"plugins": ["transform-strict-mode"]
}
`

With options:

`json
{
"plugins": [
["transform-strict-mode", {
"strict": true
}]
]
}
`

$3

`sh
babel --plugins transform-strict-mode script.js
`

$3

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