fix: apollo client build fix

import { TranslateHttpLoader } from '@ngx-translate/http-loader';

import { ToasterModule } from 'angular2-toaster';

import { Apollo } from 'apollo-angular';

import { HttpLink, HttpLinkModule } from 'apollo-angular-link-http';

import { InMemoryCache } from '@apollo/client/core';

import { ApolloLink } from 'apollo-link';

import { WebSocketLink } from 'apollo-link-ws';

import { setContext } from 'apollo-link-context';

import { HttpLink, HttpLinkHandler } from 'apollo-angular/http';

import { ApolloLink, InMemoryCache } from '@apollo/client/core';

import { WebSocketLink } from '@apollo/client/link/ws';

import { setContext } from '@apollo/client/link/context';

import { NgxEchartsModule } from 'ngx-echarts';

import { getOperationAST } from 'graphql/utilities/getOperationAST';

import { CoreModule } from './@core/core.module';

		BrowserAnimationsModule,

		HttpClientModule,

		AppRoutingModule,

		HttpLinkModule,

		TranslateModule.forRoot({

			loader: {

				provide: TranslateLoader,

export class AppModule {

	constructor(apollo: Apollo, httpLink: HttpLink, private store: Store) {

		// Create an http link:

		const http = httpLink.create({

		const http: HttpLinkHandler = httpLink.create({

			uri: environment.GQL_ENDPOINT,

		});

		// Create a WebSocket link:

		const ws = new WebSocketLink({

		const ws: WebSocketLink = new WebSocketLink({

			uri: environment.GQL_SUBSCRIPTIONS_ENDPOINT,

			options: {

				reconnect: true,

			},

		});

		const authLink = setContext((_, { headers }) => {

		const authLink: ApolloLink = setContext((_, { headers }) => {

			// get the authentication token from local storage if it exists

			const token = store.token;

			// return the headers to the context so httpLink can read them