<!DOCTYPE html>
<html>
<head>
<base href="." />
<script type="text/javascript" charset="utf-8">
window.AngularVersionForThisPlunker = 'latest'
</script>
<title>angular playground</title>
<link rel="stylesheet" href="style.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js/dist/zone.js"></script>
<script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import('app')
.catch(console.error.bind(console));
</script>
</head>
<body>
<my-app>
loading...
</my-app>
</body>
</html>
/* Styles go here */
### Angular Starter Plunker - Typescript
var angularVersion;
if(window.AngularVersionForThisPlunker === 'latest'){
angularVersion = ''; //picks up latest
}
else {
angularVersion = '@' + window.AngularVersionForThisPlunker;
}
System.config({
//use typescript for compilation
transpiler: 'typescript',
//typescript compiler options
typescriptOptions: {
emitDecoratorMetadata: true
},
paths: {
'npm:': 'https://unpkg.com/'
},
//map tells the System loader where to look for things
map: {
'app': './src',
'@angular/core': 'npm:@angular/core'+ angularVersion + '/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common' + angularVersion + '/bundles/common.umd.js',
'@angular/common/http': 'npm:@angular/common' + angularVersion + '/bundles/common-http.umd.js',
'@angular/compiler': 'npm:@angular/compiler' + angularVersion + '/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic.umd.js',
'@angular/http': 'npm:@angular/http' + angularVersion + '/bundles/http.umd.js',
'@angular/router': 'npm:@angular/router' + angularVersion +'/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms' + angularVersion + '/bundles/forms.umd.js',
'@angular/animations': 'npm:@angular/animations' + angularVersion + '/bundles/animations.umd.js',
'@angular/platform-browser/animations': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-animations.umd.js',
'@angular/animations/browser': 'npm:@angular/animations' + angularVersion + '/bundles/animations-browser.umd.js',
'@angular/core/testing': 'npm:@angular/core' + angularVersion + '/bundles/core-testing.umd.js',
'@angular/common/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-testing.umd.js',
'@angular/common/http/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-http-testing.umd.js',
'@angular/compiler/testing': 'npm:@angular/compiler' + angularVersion + '/bundles/compiler-testing.umd.js',
'@angular/platform-browser/testing': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-testing.umd.js',
'@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic-testing.umd.js',
'@angular/http/testing': 'npm:@angular/http' + angularVersion + '/bundles/http-testing.umd.js',
'@angular/router/testing': 'npm:@angular/router' + angularVersion + '/bundles/router-testing.umd.js',
'tslib': 'npm:tslib@1.6.1',
'rxjs': 'npm:rxjs',
'typescript': 'npm:typescript@2.2.1/lib/typescript.js'
},
//packages defines our app package
packages: {
app: {
main: './main.ts',
defaultExtension: 'ts'
},
rxjs: {
defaultExtension: 'js'
}
}
});
//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app';
platformBrowserDynamic().bootstrapModule(AppModule)
//our root app component
import { Component, NgModule, VERSION } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpModule } from '@angular/http';
import { Globals } from './globals';
import { UserService } from './user.service';
@Component({
selector: 'my-app',
template: `
<div>
<h2>Hello</h2>
</div>
`,
})
export class App {
constructor(
private globals: Globals
) {
console.log("App constructor", this.globals.activeUser); //undefined
}
}
@NgModule({
imports: [
BrowserModule,
FormsModule,
HttpModule
],
declarations: [ App ],
bootstrap: [ App ],
providers: [ Globals, UserService ]
})
export class AppModule {}
import { Injectable } from '@angular/core';
import { UserService } from './user.service';
@Injectable ()
export class Globals {
errorMessage: string;
activeUser: any;
constructor(private userService: UserService) {
this.getActiveUser();
console.log("Globals constructor", this.activeUser); //undefined
}
getActiveUser(){
this.userService.getActiveUser()
.then(
user => this.activeUser = user,
error => this.errorMessage = <any>error
);
}
}
import { Injectable } from '@angular/core';
import { Headers, Http, Response } from '@angular/http';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/map';
import 'rxjs/add/observable/throw';
import 'rxjs/add/operator/toPromise';
@Injectable()
export class UserService {
private headers = new Headers({
'Content-Type': 'application/json',
});
constructor (private http: Http) {}
getActiveUser(): Promise<any> {
const url = `https://jsonplaceholder.typicode.com/users?id=1`;
return this.http.get(url)
.toPromise()
.then(this.extractData);
}
private extractData(res: Response) {
let body = res.json();
return body.data || body[0];
}
}