aboutsummaryrefslogtreecommitdiff
path: root/node_modules/@babel/plugin-proposal-throw-expressions/README.md
blob: 5ffb4de615e21f2d402fe519a3d1ac333a75f756 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
# @babel/plugin-proposal-throw-expressions

This plugin transforms Throw Expressions into an IIFE.

## Example

```js
function test(param = throw new Error('required!')) {
  const test = param === true || throw new Error('Falsey!');
}
```

## Installation

```sh
npm install --save-dev @babel/plugin-proposal-throw-expressions
```

## Usage

### Via `.babelrc` (Recommended)

**.babelrc**

```json
{
  "plugins": ["@babel/plugin-proposal-throw-expressions"]
}
```

### Via CLI

```sh
babel --plugins @babel/plugin-proposal-throw-expressions script.js
```

### Via Node API

```javascript
require("@babel/core").transform("code", {
  plugins: ["@babel/plugin-proposal-throw-expressions"]
});
```

## References

* [Proposal: ECMAScript throw expressions](https://github.com/tc39/proposal-throw-expressions)