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  • License MIT

Compile object rest and spread to ES5

Package Exports

  • babel-plugin-transform-object-rest-spread

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (babel-plugin-transform-object-rest-spread) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

babel-plugin-transform-object-rest-spread

Compile object rest and spread to ES5

// source
z = { x, ...y };

// compiled
_extends = Object.assign || function(target) { ... }
z = _extends({ x }, y);

Installation

$ npm install babel-plugin-transform-object-rest-spread

Usage

.babelrc

{
  "plugins": ["transform-object-rest-spread"]
}

Options

This plugin will use babel's extends helper, which will polyfill Object.assign by default.

  • useBuiltIns - Do not use Babel's helper's and just transform to use the built-in method (Disabled by default).
{
  "plugins": [
    ["transform-object-rest-spread", { "useBuiltIns": true }]
  ]
}

// source
z = { x, ...y };
// compiled
z = Object.assign({ x }, y);

Via CLI

$ babel --plugins transform-object-rest-spread script.js

Via Node API

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