babel-plugin-transform-optional-catch-binding

babel-plugin-transform-optional-catch-binding

Optional catch binding enables the catch block to execute whether or not an argument is passed to the catch statement (CatchClause).

Examples

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

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

Installation

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

Usage

Via .babelrc (Recommended)

.babelrc

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

Via CLI

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

Via Node API

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

References

• Proposal: Optional Catch Binding for ECMAScript