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

Usage​

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​