babel-plugin-transform-object-rest-spread

Compile object rest and spread to ES5

Last updated 8 years ago by hzoo .

MIT · Repository · Original npm · Tarball · package.json

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

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babel-plugin-transform-object-rest-spread

This plugin allows Babel to transform rest properties for object destructuring assignment and spread properties for object literals.

Example

Rest Properties

let { x, y, ...z } = { x: 1, y: 2, a: 3, b: 4 };
console.log(x); // 1
console.log(y); // 2
console.log(z); // { a: 3, b: 4 }

Spread Properties

let n = { x, y, ...z };
console.log(n); // { x: 1, y: 2, a: 3, b: 4 }

Installation

npm install --save-dev babel-plugin-transform-object-rest-spread

Usage

Via `.babelrc` (Recommended)

.babelrc

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

Via CLI

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

Via Node API

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

Options

`useBuiltIns`

boolean, defaults to false.

By default, this plugin uses Babel's extends helper which polyfills Object.assign. Enabling this option will use Object.assign directly.

.babelrc

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

In

z = { x, ...y };

Out

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

References

Current Tags

6.26.0 ... latest (7 years ago)
7.0.0-beta.3 ... next (7 years ago)

39 Versions

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Maintainers (6)

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Dependencies (2)

babel-plugin-syntax-object-rest-spread ^6.8.0
babel-runtime ^6.22.0

Dev Dependencies (1)

babel-helper-plugin-test-runner ^6.22.0

Dependents (22)

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