Oh forgot to parse the return of the second get, here is the bug resolved:
import { Injectable } from '@angular/core';
import { Http, Response, Headers, RequestOptions } from '@angular/http';
import { Observable } from 'rxjs/Rx';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/zip';
import 'rxjs/add/operator/toPromise';
@Injectable()
export class SmartTablesService {
smartTableData = this.http
.get('http://192.168.0.100:8000/json2')
.map(response => response.json())
.map(data =>
data.reduce((acc, item) => map.set(item.year, item.cost), new Map())
)
.zip(
this.http
.get('http://192.168.0.100:8000/json1')
.map(response => response.json()),
(lookup, data) =>
data.map(row => ({ ...row, cost: lookup.get(row.year) }))
);
constructor(private http: Http) {}
getData(): Promise<any> {
return this.smartTableData.toPromise();
}
}
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