https://github.com/kcmr/babel-plugin-transform-block-scope-to-iife

Babel plugin to transform top level block scope to IIFE
https://github.com/kcmr/babel-plugin-transform-block-scope-to-iife

babel babel-plugin babel7

Last synced: 10 days ago
JSON representation

Babel plugin to transform top level block scope to IIFE

• Host: GitHub
• URL: https://github.com/kcmr/babel-plugin-transform-block-scope-to-iife
• Owner: kcmr
• License: mit
• Created: 2020-04-17T14:57:15.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2023-01-06T03:38:52.000Z (almost 2 years ago)
• Last Synced: 2024-10-15T09:02:58.807Z (22 days ago)
• Topics: babel, babel-plugin, babel7
• Language: JavaScript
• Size: 1.87 MB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 12
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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# babel-plugin-transform-block-scope-to-iife

Replaces brackets used as scope in a file by an IIFE.   

This prevents exposing variables in `window` when `const` or `let` are transformed to `var` after transpiling to ES5.

**Input:**

```js

{

  const { Element } = Polymer;

}

```

**Output:**

```js

(function () {

  const {

    Element

  } = Polymer;

})();

```

## Install 

```

npm i babel-plugin-transform-block-scope-to-iife

```

## Usage 

### With a configuration file (`.babelrc`)

```json

{

  "plugins": [

    ["babel-plugin-transform-block-scope-to-iife"]

  ]

}

```

### Via Node API

```js

require("@babel/core").transform("code", {

  plugins: ["babel-plugin-transform-block-scope-to-iife"],

});

```

## License

This project is licensed under the [MIT License](LICENSE).