Top "Ecmascript-next" questions

For questions about upcoming ECMAScript features that are not scheduled to be part of a specific version yet (anything that is a stage 3 or lower proposal).

How to use arrow functions (public class fields) as class methods?

I'm new to using ES6 classes with React, previously I've been binding my methods to the current object (show in …

javascript arrow-functions ecmascript-next class-fields
Why await is not working for node request module?

I'm new to nodejs. I’m not seeing the response in ex 1, but i see in ex 2. Why? Await works …

node.js asynchronous async-await ecmascript-next
Error using async/await in React Native

When trying to use async/await in react-native, I am getting the following error: uncaught error Error: SyntaxError: /Users/senthilsivanath/…

javascript react-native babeljs ecmascript-next
Alternative of Object.assign(...array)

Assume we have array of objects. Calling Object.assign(...array) makes an inheritance among those objects where object with index …

javascript babeljs ecmascript-next
Correct use of arrow functions in React

I am using ReactJS with Babel and Webpack and using ES6 as well as the proposed class fields for arrow …

javascript reactjs arrow-functions ecmascript-next class-fields
Error: Missing class properties transform

Error: Missing class properties transform Test.js: export class Test extends Component { constructor (props) { super(props) } static contextTypes = { router: React.…

javascript webpack babeljs ecmascript-next
async/await implicitly returns promise?

I read that async functions marked by the async keyword implicitly return a promise: async function getVal(){ return await doSomethingAync(); } …

javascript node.js async-await ecmascript-next
One-liner to take some properties from object in ES 6

How one can write a function, which takes only few attributes in most-compact way in ES6? I've came up with …

javascript ecmascript-6 ecmascript-harmony destructuring ecmascript-next
JavaScript array .reduce with async/await

Seem to be having some issues incorporating async/await with .reduce(), like so: const data = await bodies.reduce(async(accum, …

javascript promise async-await reduce ecmascript-next
What is ESNext?

I've come across the term ESNext, and wondering it is the same as the ECMAScript. So, I have these questions …

javascript ecmascript-next