babel/packages/babel-plugin-syntax-optional-catch-binding/README.md

babel-plugin-syntax-optional-catch-binding

This plugin allows Babel to parse optional catch bindings.

Example

Syntax

try {
  throw 0;
} catch {
  doSomethingWhichDoesntCareAboutTheValueThrown();
  console.log("Yay, code executes!");
}

Installation

npm install --save-dev babel-plugin-syntax-optional-catch-binding

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["syntax-optional-catch-binding"]
}

Via CLI

babel --plugins syntax-optional-catch-binding script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["syntax-optional-catch-binding"]
});

References

• Proposal: Optional Catch Binding for ECMAScript