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# @babel/plugin-transform-block-scoped-functions
> Babel plugin to ensure function declarations at the block level are block scoped.
## Examples
**In**
```javascript
{
function name (n) {
return n;
}
}
name("Steve");
```
**Out**
```javascript
{
let name = function (n) {
return n;
};
}
name("Steve");
```
## Installation
```sh
npm install --save-dev @babel/plugin-transform-block-scoped-functions
```
## Usage
### Via `.babelrc` (Recommended)
**.babelrc**
```json
{
"plugins": ["@babel/plugin-transform-block-scoped-functions"]
}
```
### Via CLI
```sh
babel --plugins @babel/plugin-transform-block-scoped-functions script.js
```
### Via Node API
```javascript
require("@babel/core").transform("code", {
plugins: ["@babel/plugin-transform-block-scoped-functions"]
});
```
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