ES7 Object.entries() in TypeScript not working

Question

I have an issue with transpiling ES7 code with TypeScript. This code:

const sizeByColor = {
    red: 100,
    green: 500,
};

for ( const [ color, size ] of          


        

Answer 1

For a standalone Typescript app, I had to add the lib es2019.object to the tsconfig, and import the polyfill to make it work :)

import 'core-js/es/object/from-entries';