plugin-proposal-optional-catch-binding.md

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---
id: babel-plugin-proposal-optional-catch-binding
title: @babel/plugin-proposal-optional-catch-binding
sidebar_label: optional-catch-binding
---

NOTE: This plugin is included in @babel/preset-env, in ES2019

Examples

try {
  throw 0;
} catch {
  doSomethingWhichDoesNotCareAboutTheValueThrown();
}

try {
  throw 0;
} catch {
  doSomethingWhichDoesNotCareAboutTheValueThrown();
} finally {
  doSomeCleanup();
}

Installation

npm install --save-dev @babel/plugin-proposal-optional-catch-binding

Usage

With a configuration file (Recommended)

{
  "plugins": ["@babel/plugin-proposal-optional-catch-binding"]
}

Via CLI

babel --plugins @babel/plugin-proposal-optional-catch-binding script.js

Via Node API

require("@babel/core").transformSync("code", {
  plugins: ["@babel/plugin-proposal-optional-catch-binding"],
});

References

• Proposal: Optional Catch Binding for ECMAScript