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

References

• Proposal: Optional Catch Binding for ECMAScript