babel-plugin-syntax-optional-chaining

Allow parsing of optional properties.

Installation

npm install --save-dev babel-plugin-syntax-optional-chaining

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["syntax-optional-chaining"]
}

Via CLI

babel --plugins syntax-optional-chaining script.js

Via Node API

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