@babel/plugin-proposal-optional-catch-binding

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

Examples​

JavaScript

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

JavaScript

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

Installation​

• npm
• Yarn
• pnpm

pnpm add --save-dev @babel/plugin-proposal-optional-catch-binding

Usage​

With a configuration file (Recommended)​

babel.config.json

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

Via CLI​

Shell

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

Via Node API​

JavaScript

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

References​

• Proposal: Optional Catch Binding for ECMAScript