ES2015 spread transform

Example

In

var a = ['a', 'b', 'c'];
var b = [...a, 'foo'];

Out

var a = [ 'a', 'b', 'c' ];
var b = [].concat(a, [ 'foo' ]);

Installation

npm install --save-dev babel-plugin-transform-es2015-spread

Usage

Via .babelrc (Recommended)

.babelrc

Without options:

{
  "plugins": ["transform-es2015-spread"]
}

With options:

{
  "plugins": [
    ["transform-es2015-spread", {
      "loose": true
    }]
  ]
}

Via CLI

babel --plugins transform-es2015-spread script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["transform-es2015-spread"]
});

Options

loose

boolean, defaults to false.

In loose mode, all iterables are assumed to be arrays.