48 lines
775 B
Markdown
48 lines
775 B
Markdown
# @babel/plugin-proposal-throw-expressions
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This plugin transforms Throw Expressions into an IIFE.
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## Example
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```js
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function test(param = throw new Error('required!')) {
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const test = param === true || throw new Error('Falsey!');
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}
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```
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## Installation
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```sh
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npm install --save-dev @babel/plugin-proposal-throw-expressions
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```
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## Usage
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### Via `.babelrc` (Recommended)
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**.babelrc**
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```json
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{
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"plugins": ["@babel/proposal-throw-expressions"]
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}
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```
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### Via CLI
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```sh
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babel --plugins @babel/proposal-throw-expressions script.js
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```
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### Via Node API
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```javascript
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require("@babel/core").transform("code", {
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plugins: ["@babel/proposal-throw-expressions"]
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});
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```
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## References
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* [Proposal: Numeric Separators](https://github.com/tc39/proposal-throw-expressions)
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