// publisher.service.ts
import { Injectable } from '@angular/core';
import { Publisher } from './publisher';
import { Headers, Http, HTTP_PROVIDERS, Response, RequestOptions } from
'@angular/http';
import { Observable } from 'rxjs/Observable';
import 'rxjs/Rx';
import 'rxjs/add/operator/toPromise';
@Injectable()
export class PublisherService{
private publishersUrl = 'app/publisher';
constructor(private http: Http) { }
getPublishers(): Promise<Publisher[]>{
return this.http.get(this.publishersUrl)
.toPromise()
.then(response => response.json().data)
.catch(this.handleError);
}
private handleError(error: any) {
console.error('An error occurred', error);
return Promise.reject(error.message || error);
}
}
Added following to main.ts and app.component.ts too to try and resolve
error:-
import { Observable } from 'rxjs/Observable';
import 'rxjs/Rx';
import 'rxjs/add/operator/toPromise';
package.json:-
{
"name": "angular2-seed",
"version": "1.0.0",
"scripts": {
"lite": "lite-server",
"postinstall": "typings install",
"gulp": "gulp",
"start": "concurrently \"npm run gulp\" \"npm run lite\" ",
"typings": "typings"
},
"license": "MIT",
"dependencies": {
"@angular/common": "2.0.0-rc.4",
"@angular/compiler": "2.0.0-rc.4",
"@angular/core": "2.0.0-rc.4",
"@angular/http": "2.0.0-rc.4",
"@angular/platform-browser": "2.0.0-rc.4",
"@angular/platform-browser-dynamic": "2.0.0-rc.4",
"@angular/router": "3.0.0-beta.1",
"@angular/router-deprecated": "2.0.0-rc.2",
"@angular/upgrade": "2.0.0-rc.4",
"angular2-in-memory-web-api": "0.0.14",
"systemjs": "0.19.27",
"bootstrap": "^3.3.6",
"es6-shim": "^0.35.0",
"reflect-metadata": "^0.1.3",
"rxjs": " 5.0.0-beta.6",
"zone.js": "^0.6.12"
},
"devDependencies": {
"concurrently": "^2.0.0",
"gulp": "^3.9.0",
"gulp-autoprefixer": "^3.1.0",
"gulp-clean-css": "^2.0.6",
"gulp-sass": "^2.3.1",
"gulp-sourcemaps": "^1.6.0",
"gulp-typescript": "^2.10.0",
"lite-server": "^2.2.0",
"systemjs-builder": "^0.15.16",
"typescript": "^1.8.10",
"typings":"^1.0.4"
}
}
systemjs.config.js:-
(function(global) {
// map tells the System loader where to look for things
var map = {
'app': 'app', // 'dist',
'rxjs': 'node_modules/rxjs',
'angular2-in-memory-web-api':
'node_modules/angular2-in-memory-web-api',
'@angular': 'node_modules/@angular',
'@angular/router': 'node_modules/@angular/router'
};
// packages tells the System loader how to load when no filename and/or
no extension
var packages = {
'app': { main: 'boot.js', defaultExtension:
'js' },
'rxjs': { defaultExtension: 'js' },
'angular2-in-memory-web-api': { main: 'index.js', defaultExtension:
'js' }
};
var packageNames = [
'@angular/common',
'@angular/compiler',
'@angular/core',
'@angular/http',
'@angular/platform-browser',
'@angular/platform-browser-dynamic',
'@angular/router',
'@angular/router-deprecated',
'@angular/testing',
'@angular/upgrade'
];
// add package entries for angular packages in the form
'@angular/common': { main: 'index.js', defaultExtension: 'js' }
packageNames.forEach(function(pkgName) {
packages[pkgName] = { main: 'index.js', defaultExtension: 'js' };
});
var config = {
map: map,
packages: packages
};
// filterSystemConfig - index.html's chance to modify config before we
register it.
if (global.filterSystemConfig) { global.filterSystemConfig(config); }
System.config(config);
})(this);
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