import { Component, OnInit } from '@angular/core'; import * as Module from './jessica'; @Component({ selector: 'app-main', templateUrl: './main.component.html', styleUrls: ['./main.component.css'], }) export class MainComponent implements OnInit { private instance?: any; constructor() { Module.default().then(async (instance: any) => { this.instance = instance; const vert1 = new this.instance.VerticalEccentricRaw(); const vert2 = vert1.setE(0.2); console.log('getE ' + vert2.getE()); }); } ngOnInit(): void {} }