Angular: combine multiple http requests

Usage : Rxjs combinelatest

import { Observable, combineLatest } from 'rxjs';

return combineLatest(observable1, observable2).

pipe(

    map(([result1,result2]) =>{

          //do your mapping / filtering

          const mappedResult = result2.map(item=>mapper.map(item));

          return mappedResult;

    });

);

React typescript

npx create-react-app my-app --template typescript

npm install --save typescript @types/node @types/react @types/react-dom @types/jest


https://create-react-app.dev/docs/adding-typescript/


navigatie/routing:
npm install --save react-router-dom