Search repository implementation for search BLoC

app-search-repository.ts

import { Injectable } from '@angular/core';
import * as faker from 'faker';
import { of as observableOf } from 'rxjs';
import { delay } from 'rxjs/operators';

import { SearchRepository } from '../../business-logic/search';

@Injectable()
export class AppSearchRepository implements SearchRepository {
  async search(query: string) {
    if (query == null || query.length === 0) {
      return await [];
    }
    const results = new Array(10).fill(null).map(() => faker.name.findName());
    return new Promise<string[]>(resolve => {
      setTimeout(() => {
        resolve(results);
      }, 300);
    });
  }
}