import { Component, ViewChild } from '@angular/core';
@Component({
selector: 'my-app',
template: `
<div *ngIf="!useNgFor">
<h3>*lazyFor</h3>
<ul style="height: 100px; overflow-y: auto;">
<li *lazyFor="let item of items" style="height: 20px">
{{item}}
</li>
</ul>
</div>
`
})
export class AppComponent {
items = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20];
constructor() {
}
}
<!DOCTYPE html>
<html>
<head>
<title>Hello Angular</title>
<meta charset="UTF-8">
<script src="https://unpkg.com/core-js/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.7.4?main=browser"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.8"></script>
<script src="https://unpkg.com/systemjs@0.19.39/dist/system.src.js"></script>
<script> window.autoBootstrap = true; </script>
<script src="config.js"></script>
<script>
System.import('app').catch(function(err){ console.error(err); });
</script>
</head>
<body>
<my-app></my-app>
</body>
</html>
/**
* WEB ANGULAR VERSION
* (based on systemjs.config.js in angular.io)
* System configuration for Angular samples
* Adjust as necessary for your application needs.
*/
(function (global) {
System.config({
// DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
transpiler: 'ts',
typescriptOptions: {
// Copy of compiler options in standard tsconfig.json
"target": "es5",
"module": "commonjs",
"moduleResolution": "node",
"sourceMap": true,
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"noImplicitAny": true,
"suppressImplicitAnyIndexErrors": true
},
meta: {
'typescript': {
"exports": "ts"
}
},
paths: {
// paths serve as alias
'npm:': 'https://unpkg.com/'
},
// map tells the System loader where to look for things
map: {
// our app is within the app folder
app: 'app',
// angular bundles
'@angular/core': 'npm:@angular/core/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
'@angular/http': 'npm:@angular/http/bundles/http.umd.js',
'@angular/router': 'npm:@angular/router/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
'@angular/upgrade': 'npm:@angular/upgrade/bundles/upgrade.umd.js',
'@angular/upgrade/static': 'npm:@angular/upgrade/bundles/upgrade-static.umd.js',
// other libraries
'rxjs': 'npm:rxjs',
'angular-lazy-for': 'npm:angular-lazy-for/dist/lazyFor.module.js',
'ts': 'npm:plugin-typescript@4.0.10/lib/plugin.js',
'typescript': 'npm:typescript@2.0.3/lib/typescript.js',
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
app: {
main: './main.ts',
defaultExtension: 'ts'
},
rxjs: {
defaultExtension: 'js'
}
}
});
if (global.autoBootstrap) { bootstrap(); }
// Bootstrap with a default `AppModule`
// ignore an `app/app.module.ts` and `app/main.ts`, even if present
// This function exists primarily (exclusively?) for the QuickStart
function bootstrap() {
// Stub out `app/main.ts` so System.import('app') doesn't fail if called in the index.html
System.set(System.normalizeSync('app/main.ts'), System.newModule({ }));
// bootstrap and launch the app (equivalent to standard main.ts)
Promise.all([
System.import('@angular/platform-browser-dynamic'),
getAppModule()
])
.then(function (imports) {
var platform = imports[0];
var app = imports[1];
platform.platformBrowserDynamic().bootstrapModule(app.AppModule);
})
.catch(function(err){ console.error(err); });
}
// Make the default AppModule
// returns a promise for the AppModule
function getAppModule() {
return Promise.all([
System.import('@angular/core'),
System.import('@angular/platform-browser'),
System.import('app/app.component'),
System.import('angular-lazy-for')
])
.then(function (imports) {
var core = imports[0];
var browser = imports[1];
var appComp = imports[2].AppComponent;
var LazyForModule = imports[3].LazyForModule;
var AppModule = function() {}
AppModule.annotations = [
new core.NgModule({
imports: [ browser.BrowserModule, LazyForModule ],
declarations: [ appComp ],
bootstrap: [ appComp ]
})
]
return {AppModule: AppModule};
})
}
})(this);
/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/