babel-plugin-syntax-throw-expressions

Allow parsing of Throw Expressions:

function test(param = throw new Error('required!')) {
  const test = param === true || throw new Error('Falsey!');
}

Installation

npm install --save-dev babel-plugin-syntax-throw-expressions

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["syntax-throw-expressions"]
}

Via CLI

babel --plugins syntax-throw-expressions script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["syntax-throw-expressions"]
});