61 lines
1000 B
Markdown
61 lines
1000 B
Markdown
# @babel/plugin-proposal-optional-catch-binding
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> Optional catch binding enables the catch block to execute whether or not an argument is passed to the catch statement (CatchClause).
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## Examples
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```js
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try {
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throw 0;
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} catch {
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doSomethingWhichDoesntCareAboutTheValueThrown();
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}
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```
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```js
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try {
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throw 0;
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} catch {
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doSomethingWhichDoesntCareAboutTheValueThrown();
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} finally {
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doSomeCleanup();
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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-optional-catch-binding
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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/plugin-proposal-optional-catch-binding"]
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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/plugin-proposal-optional-catch-binding 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/plugin-proposal-optional-catch-binding"]
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});
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```
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## References
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- [Proposal: Optional Catch Binding for ECMAScript](https://github.com/babel/proposals/issues/7)
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