"architect": {
    "build": {
        "scripts": [
            "./node_modules/stellar-sdk/dist/stellar-sdk.min.js"
        ]

import * as StellarSdk from 'stellar-sdk/dist/stellar-sdk.min.js';

declare const StellarSdk: any;

@Injectable()
export class StellarService {

    private server: any;

    constructor() {
        this.server = new StellarSdk.Server('https://horizon.stellar.org');
        StellarSdk.Network.usePublicNetwork();
    }

"apps": [
    {
      "scripts": [
          "../node_modules/stellar-sdk/dist/stellar-sdk.min.js"
      ]

declare var StellarSdk: any;