/* eslint-disable no-restricted-syntax */ // Adapted from https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Polyfill if (typeof Object.assign !== 'function') { Object.assign = function assign(target, ...args) { if (target == null) { // TypeError if undefined or null throw new TypeError('Cannot convert undefined or null to object'); } const to = Object(target); for (let index = 0; index < args.length; index += 1) { const nextSource = args[index]; if (nextSource != null) { // Skip over if undefined or null for (const nextKey in nextSource) { // Avoid bugs when hasOwnProperty is shadowed if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) { to[nextKey] = nextSource[nextKey]; } } } } return to; }; }