setup-php/node_modules/object.assign/shim.js

'use strict';

var define = require('define-properties');
var getPolyfill = require('./polyfill');

module.exports = function shimAssign() {
	var polyfill = getPolyfill();
	define(
		Object,
		{ assign: polyfill },
		{ assign: function () { return Object.assign !== polyfill; } }
	);
	return polyfill;
};