graphql.module.ts

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { environment } from 'src/environments/environment';
import { ApolloBoost, ApolloBoostModule } from 'apollo-angular-boost';
import { HttpClientModule } from '@angular/common/http';

@NgModule({
  declarations: [],
  imports: [CommonModule],
  exports: [HttpClientModule, ApolloBoostModule],
})
export class GraphqlModule {
  constructor(apolloBoost: ApolloBoost) {
    apolloBoost.create({
      uri: environment.FAUNA_ENDPOINT,
      request: async (operation) => {
        const token = '';
        operation.setContext({
          headers: {
            Authorization: `Bearer ${environment.FAUNA_KEY}`,
          },
        });
      },
    });
  }
}