README.md



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

foo();


Out

"use strict";

foo();


Installation

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


Usage


Via .babelrc (Recommended)

.babelrc

Without options:

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


With options:

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


Via CLI

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


Via Node API

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