Revert "[WIP] docs(quickstart): QuickStart reboot (#2762)"
This reverts commit 8ccc33e6ff
.
This commit is contained in:
parent
8ccc33e6ff
commit
a7525721c0
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@ -1,7 +1,5 @@
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- var currentPage = false
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- var nextPage = false
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- var hideNextPage = false;
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- var data = public.docs[current.path[1]][current.path[2]][current.path[3]]._data
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for page, slug in data
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@ -9,16 +7,13 @@ for page, slug in data
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// CHECK IF CURRENT PAGE IS SET, THEN SET NEXT PAGE
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if currentPage
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if !nextPage && page.nextable && !page.hide
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if !hideNextPage
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.l-sub-section
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h3 Next Step
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a(href="/docs/#{current.path[1]}/#{current.path[2]}/#{current.path[3]}/#{slug}.html") #{page.title}
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.l-sub-section
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h3 Next Step
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a(href="/docs/#{current.path[1]}/#{current.path[2]}/#{current.path[3]}/#{slug}.html") #{page.title}
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//NEXT PAGE HAS NOW BEEN SET
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- var nextPage = true
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- hideNextPage = page.hideNextPage
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// SET CURRENT PAGE FLAG WHEN YOU PASS IT
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if current.path[4] == slug
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- var currentPage = true
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@ -1,7 +1,6 @@
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{
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"name": "angular-examples",
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"version": "1.0.0",
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"private": true,
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"description": "Example package.json, only contains needed scripts for examples. See _examples/package.json for master package.json.",
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"scripts": {
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"start": "tsc && concurrently \"tsc -w\" \"lite-server\" ",
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@ -1,4 +1,4 @@
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'use strict'; // necessary for es6 output in node
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'use strict'; // necessary for es6 output in node
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import { browser, element, by } from 'protractor';
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@ -11,7 +11,7 @@ describe('AOT Compilation', function () {
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it('should load page and click button', function (done) {
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let headingSelector = element.all(by.css('h1')).get(0);
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expect(headingSelector.getText()).toEqual('Hello Angular');
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expect(headingSelector.getText()).toEqual('My First Angular App');
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expect(element.all(by.xpath('//div[text()="Magneta"]')).get(0).isPresent()).toBe(true);
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expect(element.all(by.xpath('//div[text()="Bombasto"]')).get(0).isPresent()).toBe(true);
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@ -1,6 +1,6 @@
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<!-- #docregion -->
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<button (click)="toggleHeading()">Toggle Heading</button>
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<h1 *ngIf="showHeading">Hello Angular</h1>
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<h1 *ngIf="showHeading">My First Angular App</h1>
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<h3>List of Heroes</h3>
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<div *ngFor="let hero of heroes">{{hero}}</div>
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@ -1,7 +1,6 @@
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{
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"name": "angular-examples-master",
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"version": "1.0.0",
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"private": true,
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"description": "Master package.json, the superset of all dependencies for all of the _example package.json files. See _boilerplate/package.json for example npm scripts.",
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"scripts": {
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"protractor": "protractor",
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@ -5,7 +5,7 @@ import 'package:angular2/core.dart';
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// #docregion metadata
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@Component(
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selector: 'my-app',
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template: '<h1>Hello Angular</h1>')
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template: '<h1>Hello Angular!</h1>')
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// #enddocregion metadata
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// #docregion class
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class AppComponent {}
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@ -4,7 +4,7 @@ import { browser, element, by } from 'protractor';
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describe('QuickStart E2E Tests', function () {
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let expectedMsg = 'Hello Angular';
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let expectedMsg = 'Hello Angular!';
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beforeEach(function () {
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browser.get('');
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@ -10,7 +10,7 @@
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ng.core.Component({
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// #enddocregion ng-namespace-funcs
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selector: 'my-app',
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template: '<h1>Hello Angular</h1>'
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template: '<h1>Hello Angular!</h1>'
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// #docregion ng-namespace-funcs
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})
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// #enddocregion component
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@ -0,0 +1 @@
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!systemjs.config.1.js
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@ -1,8 +1,14 @@
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// #docregion
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// #docregion import
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import { Component } from '@angular/core';
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// #enddocregion import
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// #docregion metadata
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@Component({
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selector: 'my-app',
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template: `<h1>Hello {{name}}</h1>`
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template: '<h1>Hello Angular!</h1>'
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})
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export class AppComponent { name = 'Angular'; }
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// #enddocregion metadata
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// #docregion class
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export class AppComponent { }
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// #enddocregion class
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@ -1,11 +1,8 @@
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// #docregion
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import { NgModule } from '@angular/core';
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import { BrowserModule } from '@angular/platform-browser';
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import { AppComponent } from './app.component';
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@NgModule({
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imports: [ BrowserModule ],
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declarations: [ AppComponent ],
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bootstrap: [ AppComponent ]
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imports: [ BrowserModule ]
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})
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export class AppModule { }
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@ -1,11 +1,13 @@
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// #docregion
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import { NgModule } from '@angular/core';
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import { BrowserModule } from '@angular/platform-browser';
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import { AppComponent } from './app.component';
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import { AppComponent } from './app.component';
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@NgModule({
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imports: [ BrowserModule ],
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declarations: [ AppComponent ],
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bootstrap: [ AppComponent ]
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})
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export class AppModule { }
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@ -1,5 +1,9 @@
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// #docregion
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// #docregion import
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import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
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import { AppModule } from './app.module';
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// #enddocregion import
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platformBrowserDynamic().bootstrapModule(AppModule);
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const platform = platformBrowserDynamic();
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platform.bootstrapModule(AppModule);
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@ -1,36 +1,37 @@
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<!DOCTYPE html>
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<!-- #docregion -->
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<html>
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<head>
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<title>Hello Angular</title>
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<title>Angular QuickStart</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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body {color:#369;font-family: Arial,Helvetica,sans-serif;}
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</style>
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<link rel="stylesheet" href="styles.css">
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<!-- Polyfills for older browsers -->
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<!-- 1. Load libraries -->
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<!-- #docregion libraries -->
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<!-- #docregion polyfills -->
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<!-- Polyfill for older browsers -->
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<script src="node_modules/core-js/client/shim.min.js"></script>
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<!-- #enddocregion polyfills -->
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<script src="node_modules/zone.js/dist/zone.js"></script>
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<script src="node_modules/reflect-metadata/Reflect.js"></script>
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<script src="node_modules/systemjs/dist/system.src.js"></script>
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<!-- #enddocregion libraries -->
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<!-- #docregion autobootstrap-->
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<script> window.autoBootstrap = true; </script>
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<!-- #enddocregion autobootstrap-->
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<!-- 2. Configure SystemJS -->
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<!-- #docregion systemjs -->
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<script src="systemjs.config.js"></script>
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<script>
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System.import('app').catch(function(err){ console.error(err); });
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</script>
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<!-- #enddocregion systemjs -->
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</head>
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<!-- 3. Display the application -->
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<!-- #docregion my-app -->
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<body>
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<!-- #docregion my-app-->
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<my-app>Loading AppComponent content here ...</my-app>
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<!-- #enddocregion my-app-->
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<my-app>Loading...</my-app>
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</body>
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<!-- #enddocregion my-app -->
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</html>
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@ -1,9 +1,9 @@
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{
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"description": "QuickStart",
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"files": [
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"app/app.component.ts",
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"index.html"
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"!**/*.d.ts",
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"!**/*.js",
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"!**/*.[1].*"
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],
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"open": "app/app.component.ts",
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"tags": ["quickstart"]
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}
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}
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@ -1,17 +0,0 @@
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'use strict'; // necessary for es6 output in node
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import { browser, element, by } from 'protractor';
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describe('QuickStart E2E Tests', function () {
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let expectedMsg = 'Hello Angular';
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beforeEach(function () {
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browser.get('');
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});
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it(`should display: ${expectedMsg}`, function () {
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expect(element(by.css('h1')).getText()).toEqual(expectedMsg);
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});
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});
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@ -1,35 +0,0 @@
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/* tslint:disable:no-unused-variable */
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import { AppComponent } from './app.component';
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import { async, ComponentFixture, TestBed } from '@angular/core/testing';
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import { By } from '@angular/platform-browser';
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import { DebugElement } from '@angular/core';
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//////// SPECS /////////////
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describe('AppComponent', function () {
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let de: DebugElement;
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let comp: AppComponent;
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let fixture: ComponentFixture<AppComponent>;
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beforeEach(async(() => {
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TestBed.configureTestingModule({
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declarations: [ AppComponent ]
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})
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.compileComponents();
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}));
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beforeEach(() => {
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fixture = TestBed.createComponent(AppComponent);
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comp = fixture.componentInstance;
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de = fixture.debugElement.query(By.css('h1'));
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});
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it('should create component', () => expect(comp).toBeDefined() );
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it('should have expected <h1> text', () => {
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fixture.detectChanges();
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const h1 = de.nativeElement;
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expect(h1.innerText).toMatch(/angular/i,
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'<h1> should say something about "Angular"');
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});
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});
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@ -1,8 +0,0 @@
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// #docregion
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import { Component } from '@angular/core';
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@Component({
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selector: 'my-app',
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template: `<h1>Hello {{name}}</h1>`
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})
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export class AppComponent { name = 'Angular'; }
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@ -1,5 +0,0 @@
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// #docregion
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import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
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import { AppModule } from './app.module';
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platformBrowserDynamic().bootstrapModule(AppModule);
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@ -1,31 +0,0 @@
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<!DOCTYPE html>
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<!-- #docregion -->
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<html>
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<head>
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<title>Hello Angular</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="stylesheet" href="styles.css">
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<style>
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body {color:#369;font-family: Arial,Helvetica,sans-serif;}
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</style>
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<!-- Polyfills for older browsers -->
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<script src="node_modules/core-js/client/shim.min.js"></script>
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<script src="node_modules/zone.js/dist/zone.js"></script>
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<script src="node_modules/reflect-metadata/Reflect.js"></script>
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<script src="node_modules/systemjs/dist/system.src.js"></script>
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<script src="systemjs.config.js"></script>
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<script>
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System.import('app').catch(function(err){ console.error(err); });
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</script>
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</head>
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<body>
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<!-- #docregion my-app-->
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<my-app><!-- content managed by Angular --></my-app>
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<!-- #enddocregion my-app-->
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</body>
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</html>
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@ -1,11 +0,0 @@
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{
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"description": "QuickStart Setup",
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"files": [
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"app/app.component.ts",
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"app/app.module.ts",
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"app/main.ts",
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"index.html"
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],
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"open": "app/app.component.ts",
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"tags": ["quickstart setup"]
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}
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@ -208,7 +208,7 @@ code-example(format="").
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:marked
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The `template` property holds the component's companion template.
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A template is a form of HTML that tells Angular how to render a view.
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Our template is a single line of HTML announcing "Hello Angular".
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Our template is a single line of HTML announcing "Hello Angular!".
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Now we need something to tell Angular to load this component.
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@ -19,8 +19,8 @@
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"icon": "query-builder",
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"title": "Quickstart",
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"subtitle": "TypeScript",
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"description": "Discover Angular",
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"banner": "Discover Angular in a live-coding environment."
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"description": "Get up and running with Angular",
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"banner": "This QuickStart guide demonstrates how to build and run a simple Angular application."
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},
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"tutorial": {
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@ -199,7 +199,7 @@ h3#component-decorator @Component decorator
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+makeExample('src/app/cli-quickstart.component.html', null, 'src/app/cli-quickstart.component.html')(format='.')
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:marked
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The `{{title}}` is an _interpolation_ binding that causes Angular to display the component's
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`title` property. After out edit, Angular displays "Hello Angular".
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`title` property. After out edit, Angular displays "Hello Angular!".
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We'll learn more about data binding as we read through the documentation.
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The **styleUrls** array specifies the location(s) of the component's private CSS style file(s).
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@ -2,7 +2,7 @@
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"index": {
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"title": "Cookbook",
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"navTitle": "Overview",
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"intro": "A collection of recipes for common Angular application scenarios"
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"description": "A collection of recipes for common Angular application scenarios"
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},
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"aot-compiler": {
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@ -137,7 +137,7 @@ table(width="100%")
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in `main.ts`
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and the application's root component (`AppComponent`) in `app.module.ts`.
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For more information see the [Setup](../guide/setup.html) page.
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For more information see [Quick Start](../quickstart.html).
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tr(style=top)
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td
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:marked
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@ -91,7 +91,8 @@ a#compile
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## Compile with AoT
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### Prepare for offline compilation
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Take the <a href='../guide/setup.html'>Setup</a> as a starting point.
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Take the <a href='/docs/ts/latest/quickstart.html'>QuickStart</a> as a starting point.
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A few minor changes to the lone `app.component` lead to these two class and html files:
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+makeTabs(
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@ -103,6 +103,10 @@ block includes
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:marked
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The Angular [scoped packages](#scoped-package) each have a barrel named `index`.
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That's why we can write this:
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+makeExcerpt('quickstart/ts/app/app.component.ts', 'import', '')
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.alert.is-important
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:marked
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Note that you can often achieve this using [Angular modules](#angular-module) instead.
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@ -123,8 +127,7 @@ block includes
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.l-sub-section
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block bootstrap-defn-top
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:marked
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You launch an Angular application by "bootstrapping" it using the application root Angular module (`AppModule`). Bootstrapping identifies an application's top level "root" [component](#component), which is the first component that is loaded for the application.
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For more information, see the [Setup](!{docsLatest}/guide/setup.html).
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You launch an Angular application by "bootstrapping" it using the application root Angular module (`AppModule`). Bootstrapping identifies an application's top level "root" [component](#component), which is the first component that is loaded for the application. For more information, see [QuickStart](!{docsLatest}/quickstart.html).
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:marked
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You can bootstrap multiple apps in the same `index.html`, each with its own top level root.
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@ -2,29 +2,11 @@
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"index": {
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"title": "Documentation Overview",
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"navTitle": "Overview",
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"intro": "How to read and use this documentation",
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"description": "How to read and use this documentation",
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"nextable": true,
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"basics": true
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},
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"setup": {
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"title": "Setup for local development",
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"navTitle": "Setup",
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"intro": "Install the Angular QuickStart seed for faster, more efficient development on your machine",
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"nextable": true,
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"hideNextPage": true,
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"basics": true
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},
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"learning-angular": {
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"title": "Learning Angular",
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"navTitle": "Learning Angular",
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"intro": "A suggested path through the documentation for Angular newcomers",
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"nextable": true,
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"hideNextPage": true,
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"basics": true
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},
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"architecture": {
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"title": "Architecture Overview",
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"navTitle": "Architecture",
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@ -33,15 +15,6 @@
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"basics": true
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},
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"appmodule": {
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"title": "AppModule: the root module",
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"navTitle": "The Root Module",
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"intro": "Tell Angular how to construct and bootstrap the app in the root \"AppModule\".",
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"nextable": true,
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"basics": true
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},
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"displaying-data": {
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"title": "Displaying Data",
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"intro": "Property binding helps show app data in the UI.",
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@ -163,11 +136,6 @@
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"intro": "Developing for content security in Angular applications"
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},
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"setup-systemjs-anatomy": {
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"title": "Setup Anatomy",
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"intro": "Inside the local development environment for SystemJS"
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},
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|
||||
"structural-directives": {
|
||||
"title": "Structural Directives",
|
||||
"intro": "Angular has a powerful template engine that lets us easily manipulate the DOM structure of our elements."
|
||||
|
|
|
@ -1,138 +0,0 @@
|
|||
include ../_util-fns
|
||||
|
||||
:marked
|
||||
An Angular module class describes how the application parts fit together.
|
||||
Every application has at least one Angular module, the _root_ module
|
||||
that you [bootstrap](#main) to launch the application.
|
||||
You can call it anything you want. The conventional name is `AppModule`.
|
||||
|
||||
The [setup](setup.html) instructions produce a new project with the following minimal `AppModule`.
|
||||
You'll evolve this module as your application grows.
|
||||
|
||||
+makeExample('setup/ts/app/app.module.ts','', 'app/app.module.ts')(format='.')
|
||||
|
||||
:marked
|
||||
After the `import` statements, you come to a class adorned with the
|
||||
**`@NgModule`** [_decorator_](glossary.html#decorator '"Decorator" explained').
|
||||
|
||||
The `@NgModule` decorator identifies `AppModule` as an Angular module class (also called an `NgModule` class).
|
||||
`@NgModule` takes a _metadata_ object that tells Angular how to compile and launch the application.
|
||||
|
||||
* **_imports_** — the `BrowserModule` that this and every application needs to run in a browser.
|
||||
* **_declarations_** — the application's lone component, which is also ...
|
||||
* **_bootstrap_** — the _root_ component that Angular creates and inserts into the `index.html` host web page.
|
||||
|
||||
The [Angular Modules (NgModules)](ngmodule.html) guide dives deeply into the details of Angular modules.
|
||||
All you need to know at the moment is a few basics about these three properties.
|
||||
|
||||
a#imports
|
||||
:marked
|
||||
### The _imports_ array
|
||||
|
||||
Angular modules are a way to consolidate features that belong together into discrete units.
|
||||
Many features of Angular itself are organized as Angular modules.
|
||||
HTTP services are in the `HttpModule`. The router is in the `RouterModule`.
|
||||
Eventually you may create a feature module.
|
||||
|
||||
Add a module to the `imports` array when the application requires its features.
|
||||
|
||||
_This_ application, like most applications, executes in a browser.
|
||||
Every application that executes in a browser needs the `BrowserModule` from `@angular/platform-browser`.
|
||||
So every such application includes the `BrowserModule` in its _root_ `AppModule`'s `imports` array.
|
||||
Other guide and cookbook pages will tell you when you need to add additional modules to this array.
|
||||
|
||||
.alert.is-important
|
||||
:marked
|
||||
**Only `NgModule` classes** go in the `imports` array. Don't put any other kind of class in `imports`.
|
||||
|
||||
.l-sub-section
|
||||
:marked
|
||||
Don't confuse the `import` statements at the top of the file with the Angular module's `imports` array.
|
||||
They have different jobs.
|
||||
|
||||
The _JavaScript_ `import` statements give you access to symbols _exported_ by other files
|
||||
so you can reference them within _this_ file.
|
||||
They have nothing to do with Angular and Angular knows nothing about them.
|
||||
|
||||
The _module's_ `imports` array tells Angular about specific Angular modules — classes decorated with `@NgModule` —
|
||||
that the application needs to function properly.
|
||||
a#declarations
|
||||
:marked
|
||||
### The _declarations_ array
|
||||
|
||||
You must declare _every_ component in one (and _only one_) `NgModule` class.
|
||||
You tell Angular which components belong to the `AppModule` by listing it in the module's `declarations` array.
|
||||
As you create more components, you'll add them to `declarations`.
|
||||
|
||||
You'll learn to create two other kinds of classes —
|
||||
[directives](attribute-directives.html) and [pipes](pipes.html) —
|
||||
that you must also add to the `declarations` array.
|
||||
|
||||
.alert.is-important
|
||||
:marked
|
||||
**Only _declarables_** — _components_, _directives_ and _pipes_ — belong in the `declarations` array.
|
||||
Don't put any other kind of class in `declarations`; _not_ `NgModule` classes, _not_ service classes, _not_ model classes.
|
||||
|
||||
a#bootstrap-array
|
||||
:marked
|
||||
### The _bootstrap_ array
|
||||
|
||||
You launch the application by [_bootstrapping_](#main) the root `AppModule`.
|
||||
Among other things, the _bootstrapping_ process creates the component(s) listed in the `bootstrap` array
|
||||
and inserts each one into the browser DOM.
|
||||
|
||||
Each bootstrapped component is the base of its own tree of components.
|
||||
Inserting a bootstrapped component usually triggers a cascade of component creations that fill out that tree.
|
||||
|
||||
While you can put more than one component tree on a host web page, that's not typical.
|
||||
Most applications have only one component tree and they bootstrap a single _root_ component.
|
||||
|
||||
You can call the one _root_ component anything you want but most developers call it `AppComponent`.
|
||||
|
||||
Which brings us to the _bootstrapping_ process itself.
|
||||
|
||||
a#main
|
||||
l-main-section
|
||||
:marked
|
||||
## Bootstrap in _main.ts_
|
||||
|
||||
There are many ways to bootstrap an application.
|
||||
The variations depend upon how you want to compile the application and where you want to run it.
|
||||
|
||||
In the beginning, you will compile the application dynamically with the _Just-in-Time (JiT)_ compiler
|
||||
and you'll run it in a browser. You can learn about other options later.
|
||||
|
||||
The recommended place to bootstrap a JiT-compiled browser application is in a separate file
|
||||
in the `app` folder named `app/main.ts`
|
||||
+makeExample('setup/ts/app/main.ts','','app/main.ts')(format='.')
|
||||
:marked
|
||||
This code creates a browser platform for dynamic (JiT) compilation and
|
||||
bootstrap's the `AppModule` described above.
|
||||
|
||||
The _bootstrapping_ process sets up the execution environment,
|
||||
digs the _root_ `AppComponent` out of the module's `bootstrap` array,
|
||||
creates an instance of the component and inserts it within the element tag identified by the component's `selector`.
|
||||
|
||||
The `AppComponent` selector — here and in most documentation samples — is `my-app`
|
||||
so Angular looks for a `<my-app>` tag in the `index.html` like this one ...
|
||||
+makeExample('setup/ts/index.html','my-app')(format='.')
|
||||
:marked
|
||||
... and displays the `AppComponent` there.
|
||||
|
||||
This file is very stable. Once you've set it up, you may never change it again.
|
||||
|
||||
a#quickstart-appmodule
|
||||
l-main-section
|
||||
:marked
|
||||
## QuickStart's _AppModule_
|
||||
Every Angular application must have a root `NgModule`, even the [QuickStart](../quickstart.html).
|
||||
You didn't see it but it was there.
|
||||
|
||||
A script in the `index.html` generated a hidden `AppModule` and bootstrapped it for you
|
||||
so you could focus on the `AppComponent` and discover the _essential Angular_ more quickly.
|
||||
|
||||
If you're feeling adventurous, add your own `AppModule` and `main.ts` to the
|
||||
live code in the _QuickStart_ plunker.
|
||||
|
||||
Remove the following `<script>` tag from the `index.html` and see _your_ work in action.
|
||||
+makeExample('quickstart/ts/index.html','autobootstrap','Remove this script tag from "index.html"')(format='.')
|
|
@ -5,7 +5,7 @@ block includes
|
|||
|
||||
:marked
|
||||
Angular is a framework for building client applications in HTML and
|
||||
either JavaScript or a language like TypeScript that compiles to JavaScript.
|
||||
either JavaScript or a language (like Dart or TypeScript) that compiles to JavaScript.
|
||||
|
||||
block angular-parts
|
||||
:marked
|
||||
|
@ -56,8 +56,7 @@ figure
|
|||
|
||||
<br class="l-clear-both"><br>
|
||||
:marked
|
||||
Every Angular app has at least one Angular module class, [the _root module_](appmodule.html "AppModule: the root module"),
|
||||
conventionally named `AppModule`.
|
||||
Every Angular app has at least one module, the _root module_, conventionally named `AppModule`.
|
||||
|
||||
While the _root module_ may be the only module in a small application, most apps have many more
|
||||
_feature modules_, each a cohesive block of code dedicated to an application domain,
|
||||
|
|
|
@ -28,8 +28,8 @@ a#directive-overview
|
|||
1. Structural directives—change the DOM layout by adding and removing DOM elements.
|
||||
1. Attribute directives—change the appearance or behavior of an element.
|
||||
|
||||
*Components* are the most common of the three directives.
|
||||
You saw a component for the first time in the [QuickStart](../quickstart.html) example.
|
||||
*Components* are the most common of the three directives. Read more about creating them
|
||||
in step three of [QuickStart](../quickstart.html#root-component).
|
||||
|
||||
*Structural Directives* change the structure of the view. Two examples are [NgFor](template-syntax.html#ngFor) and [NgIf](template-syntax.html#ngIf)
|
||||
in the [Template Syntax](template-syntax.html) page.
|
||||
|
@ -64,9 +64,9 @@ a#write-directive
|
|||
|
||||
:marked
|
||||
### Write the directive code
|
||||
Follow the [setup](setup.html) instructions for creating a new project
|
||||
named <span ngio-ex>attribute-directives</span>.
|
||||
Create a new project folder (`attribute-directives`) and follow the steps in [QuickStart](../quickstart.html).
|
||||
|
||||
include ../_quickstart_repo
|
||||
:marked
|
||||
Create the following source file in the indicated folder with the following code:
|
||||
+makeExample('app/highlight.directive.1.ts')
|
||||
|
|
|
@ -5,13 +5,6 @@ block includes
|
|||
The Angular documentation is a living document with continuous improvements.
|
||||
This log calls attention to recent significant changes.
|
||||
|
||||
## QuickStart Rewrite (2016-11-18)
|
||||
The QuickStart is completely rewritten so that it actually is quick.
|
||||
It references a minimal "Hello Angular" app running in Plunker.
|
||||
The new [Setup](setup.html) page tells you how to install a local development environment
|
||||
by downloading (or cloning) the QuickStart github repository.
|
||||
You are no longer asked to copy-and-paste code into setup files that were not explained anyway.
|
||||
|
||||
## Sync with Angular v.2.2.0 (2016-11-14)
|
||||
Docs and code samples updated and tested with Angular v.2.2.0
|
||||
|
||||
|
|
|
@ -34,9 +34,10 @@ figure.image-display
|
|||
is to bind the property name through interpolation.
|
||||
With interpolation, you put the property name in the view template, enclosed in double curly braces: `{{myHero}}`.
|
||||
|
||||
Follow the [setup](setup.html) instructions for creating a new project
|
||||
named <ngio-ex path="displaying-data"></ngio-ex>.
|
||||
To build an illustrative example, start by creating a new project folder called <ngio-ex path="displaying-data"></ngio-ex>
|
||||
and following the steps in [QuickStart](../quickstart.html).
|
||||
|
||||
:marked
|
||||
Then modify the <ngio-ex path="app.component.ts"></ngio-ex> file by
|
||||
changing the template and the body of the component.
|
||||
|
||||
|
@ -74,8 +75,9 @@ figure.image-display
|
|||
Notice that you don't call **new** to create an instance of the `AppComponent` class.
|
||||
Angular is creating an instance for you. How?
|
||||
|
||||
The CSS `selector` in the `@Component` !{_decorator} specifies an element named `<my-app>`.
|
||||
That element is a placeholder in the body of your `index.html` file:
|
||||
The CSS `selector` in the `@Component` !{_decorator} specifies an element named `my-app`.
|
||||
Remember back in [QuickStart](../quickstart.html) that you added the `<my-app>`
|
||||
element to the body of your `index.html` file:
|
||||
|
||||
+makeExcerpt('index.html', 'body')
|
||||
|
||||
|
@ -271,4 +273,4 @@ block final-code
|
|||
displaying-data/ts/app/app.module.ts,
|
||||
displaying-data/ts/app/main.ts`,
|
||||
'final,,,',
|
||||
'app/app.component.ts, app/hero.ts, app.module.ts, main.ts')
|
||||
'app/app.component.ts, app/hero.ts, app.module.ts, main.ts')
|
|
@ -85,9 +85,10 @@ figure.image-display
|
|||
|
||||
:marked
|
||||
## Setup
|
||||
Follow the [setup](setup.html) instructions for creating a new project
|
||||
named <span ngio-ex>angular-forms</span>.
|
||||
Create a new project folder (`angular-forms`) and follow the steps in the [QuickStart](../quickstart.html).
|
||||
|
||||
include ../_quickstart_repo
|
||||
:marked
|
||||
## Create the Hero Model Class
|
||||
|
||||
As users enter form data, we capture their changes and update an instance of a model.
|
||||
|
|
|
@ -1,6 +1,20 @@
|
|||
block includes
|
||||
include ../_util-fns
|
||||
|
||||
figure
|
||||
img(src="/resources/images/devguide/intro/people.png" alt="Us" align="left" style="width:200px; margin-left:-40px;margin-right:10px")
|
||||
|
||||
:marked
|
||||
This is a practical guide to Angular for experienced programmers who
|
||||
are building client applications in HTML and #{_Lang}. <br class="l-clear-left">
|
||||
|
||||
## Organization
|
||||
|
||||
The documentation is divided into major thematic sections, each
|
||||
a collection of pages devoted to that theme.
|
||||
|
||||
block js-alert
|
||||
|
||||
- var __lang = _docsFor || current.path[1] || 'ts';
|
||||
- var guideData = public.docs[__lang].latest.guide._data;
|
||||
- var advancedLandingPage = '';
|
||||
|
@ -8,19 +22,6 @@ block includes
|
|||
- if (!guideData[page].basics && !guideData[page].hide) { advancedLandingPage = page; break; }
|
||||
- }
|
||||
- var advancedUrl = './' + advancedLandingPage + '.html'
|
||||
|
||||
|
||||
:marked
|
||||
This page describes the Angular documentation at a high level.
|
||||
If you're new to Angular, you may want to visit "[Learning Angular](learning-angular.html)" first.
|
||||
|
||||
## Themes
|
||||
|
||||
The documentation is divided into major thematic sections, each
|
||||
a collection of pages devoted to that theme.
|
||||
|
||||
block js-alert
|
||||
|
||||
- var top="vertical-align:top"
|
||||
table(width="100%")
|
||||
col(width="15%")
|
||||
|
@ -29,22 +30,19 @@ table(width="100%")
|
|||
td <b><a href="../quickstart.html">QuickStart</a></b>
|
||||
td
|
||||
:marked
|
||||
A first taste of Angular with zero installation.
|
||||
Run "Hello World" in an online code editor and start playing with live code.
|
||||
The foundation for every page and sample in this documentation.
|
||||
tr(style=top)
|
||||
td <b>Guide</b>
|
||||
td <b><a href="./">Guide</a></b>
|
||||
td
|
||||
:marked
|
||||
Learn the Angular basics (you're already here!) like the setup for local development,
|
||||
displaying data and accepting user input, injecting application services into components,
|
||||
and building simple forms.
|
||||
The essential ingredients of Angular development.
|
||||
tr(style=top)
|
||||
td <b><a href="../api/">API Reference</a></b>
|
||||
td <b><a href="../api">API Reference</a></b>
|
||||
td
|
||||
:marked
|
||||
Authoritative details about each of the Angular libraries.
|
||||
Authoritative details about each member of the Angular libraries.
|
||||
tr(style=top)
|
||||
td <b><a href="../tutorial/">Tutorial</a></b>
|
||||
td <b><a href="../tutorial">Tutorial</a></b>
|
||||
td
|
||||
:marked
|
||||
A step-by-step, immersive approach to learning Angular that
|
||||
|
@ -55,35 +53,62 @@ table(width="100%")
|
|||
:marked
|
||||
In-depth analysis of Angular features and development practices.
|
||||
tr(style=top)
|
||||
td <b><a href="../cookbook/">Cookbook</a></b>
|
||||
td <b><a href="../cookbook">Cookbook</a></b>
|
||||
td
|
||||
:marked
|
||||
Recipes for specific application challenges, mostly code snippets with a minimum of exposition.
|
||||
|
||||
:marked
|
||||
A few early pages are written as tutorials and are clearly marked as such.
|
||||
The rest of the pages highlight key points in code rather than explain each step necessary to build the sample.
|
||||
You can always get the full source through the #{_liveLink}s.
|
||||
## Learning path
|
||||
|
||||
You don't have to read the guide straight through. Most pages stand on their own.
|
||||
|
||||
For those new to Angular, the recommended learning path runs through the *Guide* section:
|
||||
|
||||
1. For the big picture, read the [Architecture](architecture.html) overview.
|
||||
|
||||
1. Try [QuickStart](../quickstart.html). QuickStart is the "Hello, World" of Angular.
|
||||
It shows you how to set up the libraries and tools you'll need to write *any* Angular app.
|
||||
|
||||
1. Take the *Tour of Heroes* [tutorial](../tutorial), which picks up where QuickStart leaves off,
|
||||
and builds a simple data-driven app. The app demonstrates the essential characteristics of a professional application:
|
||||
a sensible project structure, data binding, master/detail, services, dependency injection, navigation, and remote data access.
|
||||
|
||||
1. [Displaying Data](displaying-data.html) explains how to display information on the screen.
|
||||
|
||||
1. [User Input](user-input.html) covers how Angular responds to user behavior.
|
||||
|
||||
1. [Forms](forms.html) handles user data entry and validation within the UI.
|
||||
|
||||
1. [Dependency Injection](dependency-injection.html) is the way to build large, maintainable applications
|
||||
from small, single-purpose parts.
|
||||
|
||||
1. [Template Syntax](template-syntax.html) is a comprehensive study of Angular template HTML.
|
||||
|
||||
After reading the above sections, you can skip to any other pages on this site.
|
||||
|
||||
## Code samples
|
||||
|
||||
Each page includes code snippets from a sample application that accompanies the page.
|
||||
You can reuse these snippets in your applications.
|
||||
Each page includes code snippets that you can reuse in your applications.
|
||||
These snippets are excerpts from a sample application that accompanies the page.
|
||||
|
||||
Look for a link to a running version of that sample, often near the top of the page,
|
||||
Look for a link to a running version of that sample near the top of each page,
|
||||
such as this <live-example name="architecture"></live-example> from the [Architecture](architecture.html) page.
|
||||
The link launches a browser-based, code editor where you can inspect, modify, save, and download the code.
|
||||
<p if-docs="ts">
|
||||
The link launches a browser-based code editor where you can inspect, modify, save, and download the code.
|
||||
</p>
|
||||
|
||||
A few early pages are written as tutorials and are clearly marked as such.
|
||||
The rest of the pages highlight key points in code rather than explain each step necessary to build the sample.
|
||||
You can always get the full source through the #{_liveLink}.
|
||||
|
||||
## Reference pages
|
||||
|
||||
* The [Cheat Sheet](cheatsheet.html) lists Angular syntax for common scenarios.
|
||||
* The [Glossary](glossary.html) defines terms that Angular developers should know.
|
||||
* The [Change Log](change-log.html) announces what's new and changed in the documentation.
|
||||
* The [API Reference](../api/) is the authority on every public-facing member of the Angular libraries.
|
||||
- The [Cheat Sheet](cheatsheet.html) lists Angular syntax for common scenarios.
|
||||
- The [Glossary](glossary.html) defines terms that Angular developers should know.
|
||||
- The [API Reference](../api/) is the authority on every public-facing member of the Angular libraries.
|
||||
|
||||
## Feedback
|
||||
## We welcome feedback!
|
||||
|
||||
We welcome feedback!
|
||||
|
||||
* Use the <a href="!{_ngDocRepoURL}" target="_blank" title="angular docs on github">angular.io Github repository</a> for **documentation** issues and pull requests.
|
||||
* Use the <a href="!{_ngRepoURL}" target="_blank" title="angular source on github">Angular Github repository</a> to report issues with **Angular** itself.
|
||||
- Use the [website GitHub repo](!{_ngDocRepoURL}) for **documentation** issues and pull requests.
|
||||
- Use the [Angular GitHub repo](!{_ngRepoURL}) to report issues with **Angular** itself.
|
||||
|
|
|
@ -1,43 +0,0 @@
|
|||
block includes
|
||||
include ../_util-fns
|
||||
|
||||
figure
|
||||
img(src="/resources/images/devguide/intro/people.png" width="200px" height="152px" alt="Us" align="left" style="margin-left:-40px;margin-right:10px" )
|
||||
:marked
|
||||
Everyone learns differently.
|
||||
You don't have to read the documentation straight through. Most pages stand on their own.
|
||||
Those new to Angular may wish to follow this popular learning path.
|
||||
<br class="l-clear-left">
|
||||
|
||||
:marked
|
||||
1. [Setup](setup.html "Setup locally withe Quickstart seed") for local Angular development, if you haven't already done so.
|
||||
|
||||
1. Take the [*Tour of Heroes* tutorial](../tutorial "Tour of Heroes").
|
||||
|
||||
The *Tour of Heroes* takes you step-by-step from [setup](setup.html)
|
||||
to a full-featured example that demonstrates the essential characteristics of a professional application:
|
||||
a sensible project structure, data binding, master/detail, services, dependency injection, navigation, and remote data access.
|
||||
|
||||
1. <a id="architecture"></a>Read the [Architecture](architecture.html) overview for the big picture.
|
||||
|
||||
1. [The Root Module](appmodule.html) introduces the `NgModule` class that tells Angular how to compile and run your application.
|
||||
|
||||
1. [Displaying Data](displaying-data.html) shows how data binding puts component property values on screen.
|
||||
|
||||
1. [User Input](user-input.html) explains how to respond to user-initiated DOM events.
|
||||
|
||||
1. [Forms](forms.html) covers data entry and validation within the UI.
|
||||
|
||||
1. [Dependency Injection](dependency-injection.html) is the way to build large, maintainable applications
|
||||
from small, single-purpose parts.
|
||||
|
||||
1. [Template Syntax](template-syntax.html) is a comprehensive study of Angular template HTML.
|
||||
|
||||
After reading the above sections, feel free to skip around among the other pages on this site.
|
||||
|
||||
.l-sub-section
|
||||
:marked
|
||||
### Next Step
|
||||
|
||||
Try the [tutorial](../tutorial "Tour of Heroes") if you're ready to start coding or
|
||||
visit the [Architecture](architecture.html "Basic Concepts") guide if you prefer to learn the basic concepts first.
|
|
@ -12,13 +12,10 @@ block includes
|
|||
It identifies the module's _own_ components, directives and pipes,
|
||||
making some of them public so external components can use them.
|
||||
It may add service providers to the application dependency injectors.
|
||||
And there are many more options covered here.
|
||||
And there are more options covered here.
|
||||
|
||||
[The Root Module](appmodule.html) page introduced Angular Modules and the essentials
|
||||
of creating and maintaining a single _root_ `AppModule` for the entire application.
|
||||
Read that first.
|
||||
|
||||
This page goes into much greater depth as this extensive table of contents reveals.
|
||||
This page explains how to **create** `NgModule` classes and how to load them,
|
||||
either immediately when the application launches or later, as needed, via the [Router](router.html).
|
||||
|
||||
## Table of Contents
|
||||
* [Angular modularity](#angular-modularity "Add structure to the app with NgModule")
|
||||
|
@ -105,8 +102,8 @@ a#root-module
|
|||
Every Angular app has a **root module** class.
|
||||
By convention it's a class called `AppModule` in a file named `app.module.ts`.
|
||||
|
||||
The `AppModule` from the [_QuickStart seed_](setup.html) is about as minimal as it gets:
|
||||
+makeExample('setup/ts/app/app.module.ts', '', 'app/app.module.ts (minimal)')(format=".")
|
||||
This `AppModule` is about as minimal as it gets:
|
||||
+makeExample('ngmodule/ts/app/app.module.0.ts', '', 'app/app.module.ts (minimal)')(format=".")
|
||||
:marked
|
||||
The `@NgModule` decorator defines the metadata for the module.
|
||||
We'll take an intuitive approach to understanding the metadata and fill in details as we go.
|
||||
|
|
|
@ -18,8 +18,9 @@ include ../_util-fns
|
|||
|
||||
:marked
|
||||
We recommend a comprehensive starter-set of packages as specified in the `dependencies` and `devDependencies`
|
||||
sections of the <a href="https://docs.npmjs.com/files/package.json" target="_blank">package.json</a> file
|
||||
installed as described during [Setup](setup.html).
|
||||
sections of the QuickStart
|
||||
<a href="https://docs.npmjs.com/files/package.json" target="_blank">package.json</a> file:
|
||||
+makeJson('quickstart/ts/package.1.json',{ paths: 'dependencies, devDependencies'}, 'package.json (dependencies)')(format=".")
|
||||
:marked
|
||||
You can use other packages but we recommend *this particular set* to start with because (a) they work well together and
|
||||
(b) they include everything you'll need to build and run the sample applications in this series.
|
||||
|
|
|
@ -1,154 +0,0 @@
|
|||
block includes
|
||||
include ../_util-fns
|
||||
|
||||
:marked
|
||||
The documentation [setup](setup.html) procedures install a _lot_ of files,
|
||||
Most of them can be safely ignored.
|
||||
|
||||
Application files _inside the_ **`app/`** and **`e2e/`** folders matter most to developers.
|
||||
|
||||
Files _outside_ those folders condition the development environment.
|
||||
They rarely change and you may never view or modify them.
|
||||
If you do, this page can help you understand their purpose.
|
||||
|
||||
style td, th {vertical-align: top}
|
||||
table(width="100%")
|
||||
col(width="10%")
|
||||
col(width="90%")
|
||||
tr
|
||||
th File
|
||||
th Purpose
|
||||
tr
|
||||
td <code>app/...</code>
|
||||
td
|
||||
:marked
|
||||
Your Angular application files.
|
||||
|
||||
Ships with the "Hello Angular" sample's
|
||||
`AppComponent`, `AppModule`, a component unit test (`app.component.spec.ts`), and
|
||||
the bootstrap file, `main.ts`.
|
||||
tr
|
||||
td <code>e2e/...</code>
|
||||
td
|
||||
:marked
|
||||
_End-to-end_ (e2e) tests of your application,
|
||||
written in Jasmine and run by the
|
||||
<a href="http://www.protractortest.org/" target="_blank" title="Protractor: end-to-end testing for Angular">protractor</a>
|
||||
e2e test runner.
|
||||
|
||||
Initialized with an e2e test for the "Hello Angular" sample.
|
||||
tr
|
||||
td <code>node_modules/...</code>
|
||||
td
|
||||
:marked
|
||||
The _npm_ packages installed with the `npm install` command.
|
||||
tr
|
||||
td
|
||||
code.
|
||||
.editorconfig<br>
|
||||
.git/...<br>
|
||||
.gitignore<br>
|
||||
.travis.yml
|
||||
td
|
||||
:marked
|
||||
Tooling configuration files and folders.
|
||||
Ignore them until you have a compelling reason to do otherwise.
|
||||
tr
|
||||
td <code>CHANGELOG.md</code>
|
||||
td
|
||||
:marked
|
||||
The history of changes to the _QuickStart_ repository.
|
||||
Delete or ignore.
|
||||
tr
|
||||
td <code>favicon.ico</code>
|
||||
td
|
||||
:marked
|
||||
The application icon that appears in the browser tab.
|
||||
tr
|
||||
td <code>index.html</code>
|
||||
td
|
||||
:marked
|
||||
The application host page.
|
||||
It loads a few essential scripts in a prescribed order.
|
||||
Then it boots the application, placing the root `AppComponent`
|
||||
in the custom `<my-app>` body tag.
|
||||
|
||||
The same `index.html` satisfies all documentation application samples.
|
||||
tr
|
||||
td <code>karma.conf.js</code>
|
||||
td
|
||||
:marked
|
||||
Configuration for the <a href="https://karma-runner.github.io/1.0/index.html" target="_blank" title="Karma unit test runner">karma</a>
|
||||
test runner described in the [Testing](testing.html) guide.
|
||||
tr
|
||||
td <code>karma-test-shim.js</code>
|
||||
td
|
||||
:marked
|
||||
Script to run <a href="https://karma-runner.github.io/1.0/index.html" target="_blank" title="Karma unit test runner">karma</a>
|
||||
with SystemJS as described in the [Testing](testing.html) guide.
|
||||
tr
|
||||
td <code>LICENSE</code>
|
||||
td
|
||||
:marked
|
||||
The open source MIT license to use this setup code in your application.
|
||||
tr
|
||||
td <code>package.json</code>
|
||||
td
|
||||
:marked
|
||||
Identifies `npm `package dependencies for the project.
|
||||
|
||||
Contains command scripts for running the application,
|
||||
running tests, and more. Enter `npm run` for a listing.
|
||||
<a href="https://github.com/angular/quickstart/blob/master/README.md#npm-scripts"
|
||||
target="_blank" title="npm scripts for Angular documentation samples">Read more</a> about them.
|
||||
tr
|
||||
td <code>protractor.config.js</code>
|
||||
td
|
||||
:marked
|
||||
Configuration for the
|
||||
<a href="http://www.protractortest.org/" target="_blank" title="Protractor: end-to-end testing for Angular">protractor</a>
|
||||
_end-to-end_ (e2e) test runner.
|
||||
tr
|
||||
td <code>README.md</code>
|
||||
td
|
||||
:marked
|
||||
Instruction for using this git repository in your project.
|
||||
Worth reading before deleting.
|
||||
tr
|
||||
td <code>styles.css</code>
|
||||
td
|
||||
:marked
|
||||
Global styles for the application. Initialized with an `<h1>` style for the QuickStart demo.
|
||||
|
||||
tr
|
||||
td <code>systemjs<br>.config.js</code>
|
||||
td
|
||||
:marked
|
||||
Tells the **SystemJS** module loader where to find modules
|
||||
referenced in JavaScript `import` statements such as
|
||||
code-example(language="ts").
|
||||
import { Component } from '@angular/core;
|
||||
:marked
|
||||
Don't touch this file unless you are fully versed in SystemJS configuration.
|
||||
tr
|
||||
td <code>systemjs<br>.config.extras.js</code>
|
||||
td
|
||||
:marked
|
||||
Optional extra SystemJS configuration.
|
||||
A way to add SystemJS mappings, such as for appliation _barrels_,
|
||||
without changing the original `system.config.js`.
|
||||
tr
|
||||
td <code>tsconfig.json</code>
|
||||
td
|
||||
:marked
|
||||
Tells the TypeScript compiler how to transpile TypeScript source files
|
||||
into JavaScript files that run in all modern browsers.
|
||||
tr
|
||||
td <code>tslint.json</code>
|
||||
td
|
||||
:marked
|
||||
The `npm` installed TypeScript linter inspects your TypeScript code
|
||||
and complains when you violate one of its rules.
|
||||
|
||||
This file defines linting rules favored by the
|
||||
[Angular style guide](style-guide.html) and by the authors of the documentation.
|
|
@ -1,164 +0,0 @@
|
|||
block includes
|
||||
include ../_util-fns
|
||||
|
||||
a#develop-locally
|
||||
:marked
|
||||
## Setup a local development environment
|
||||
The <live-example name=quickstart>QuickStart live-coding</live-example> example is an Angular _playground_.
|
||||
It's not where you'd develop a real application.
|
||||
You [should develop locally](#why-locally "Why develop locally") on your own machine ... and that's also how we think you should learn Angular.
|
||||
|
||||
Setting up a new project on your machine is quick and easy with the **QuickStart seed**,
|
||||
maintained [on github](https://github.com/angular/quickstart "Install the github QuickStart repo").
|
||||
|
||||
Make sure you have [node and npm installed](#install-node "What if you don't have node?").
|
||||
Then ...
|
||||
1. Create a project folder (you can call it <span ngio-ex>quickstart</span> and rename it later).
|
||||
1. [Clone](#clone "Clone it from github") or [download](#download "download it from github") the **QuickStart seed** into your project folder.
|
||||
1. [Install the _npm_ packages](#install-node "What if you don't have node?").
|
||||
1. Run `npm start` to launch the sample application.
|
||||
|
||||
a#clone
|
||||
:marked
|
||||
### Clone
|
||||
|
||||
Perform the _clone-to-launch_ steps with these terminal commands.
|
||||
|
||||
code-example(language="sh" class="code-shell").
|
||||
git clone https://github.com/angular/quickstart.git quickstart
|
||||
cd quickstart
|
||||
npm install
|
||||
npm start
|
||||
|
||||
a#download
|
||||
:marked
|
||||
### Download
|
||||
<a href="https://github.com/angular/quickstart/archive/master.zip" title="Download the QuickStart seed repository">Download the QuickStart seed</a>
|
||||
and unzip it into your project folder. Then perform the remaining steps with these terminal commands.
|
||||
|
||||
code-example(language="sh" class="code-shell").
|
||||
cd quickstart
|
||||
npm install
|
||||
npm start
|
||||
|
||||
.l-main-section
|
||||
:marked
|
||||
## What's in the QuickStart seed?
|
||||
|
||||
The **QuickStart seed** contains the same application as the QuickStart playground
|
||||
and even has <live-example>its own _playground_</live-example>
|
||||
that accomodates development of richer examples in a live coding environment.
|
||||
|
||||
But it's true purpose is to provide a solid foundation for _local_ development.
|
||||
Consequently, there are _many more files_ in the project folder on your machine,
|
||||
most of which you can [learn about later](setup-systemjs-anatomy.html "Setup Anatomy").
|
||||
|
||||
Focus on the following three TypeScript (`.ts`) files in the **`/app`** folder.
|
||||
|
||||
.filetree
|
||||
.file app
|
||||
.children
|
||||
.file app.component.ts
|
||||
.file app.module.ts
|
||||
.file main.ts
|
||||
|
||||
+makeTabs(`
|
||||
setup/ts/app/app.component.ts,
|
||||
setup/ts/app/app.module.ts,
|
||||
setup/ts/app/main.ts
|
||||
`, '', `
|
||||
app/app.component.ts,
|
||||
app/app.module.ts,
|
||||
app/main.ts
|
||||
`)(format='.')
|
||||
:marked
|
||||
All guides and cookbooks have _at least these three files_. Each file has a distinct purpose and evolves independently as the application grows.
|
||||
|
||||
style td, th {vertical-align: top}
|
||||
table(width="100%")
|
||||
col(width="20%")
|
||||
col(width="80%")
|
||||
tr
|
||||
th File
|
||||
th Purpose
|
||||
tr
|
||||
td <code>app.component.ts</code>
|
||||
td
|
||||
:marked
|
||||
Defines the same `AppComponent` as the one in the QuickStart playground.
|
||||
It is the **root** component of what will become a tree of nested components
|
||||
as the application evolves.
|
||||
tr
|
||||
td <code>app.module.ts</code>
|
||||
td
|
||||
:marked
|
||||
Defines `AppModule`, the [root module](appmodule.html "AppModule: the root module") that tells Angular how to assemble the application.
|
||||
Right now it declares only the `AppComponent`.
|
||||
Soon there will be more components to declare.
|
||||
tr
|
||||
td <code>main.ts</code>
|
||||
td
|
||||
:marked
|
||||
Compiles the application with the [JiT compiler](../glossary.html#jit)
|
||||
and [bootstraps](appmodule.html#main "bootstrap the application") the application to run in the browser.
|
||||
That's a reasonable choice for the development of most projects and
|
||||
it's the only viable choice for a sample running in a _live-coding_ environment like Plunker.
|
||||
You'll learn about alternative compiling and deployment options later in the documentation.
|
||||
|
||||
.l-sub-section
|
||||
:marked
|
||||
### Next Step
|
||||
|
||||
If you're new to Angular, we recommend staying on the [learning path](learning-angular.html).
|
||||
|
||||
br
|
||||
br
|
||||
|
||||
a#install-node
|
||||
.l-main-section
|
||||
:marked
|
||||
## Appendix: _node_ and _npm_
|
||||
|
||||
Node.js and npm are essential to modern web development with Angular and other platforms.
|
||||
Node powers client development and build tools.
|
||||
The _npm_ package manager, itself a _node_ application, installs JavaScript libraries.
|
||||
|
||||
<a href="https://docs.npmjs.com/getting-started/installing-node" target="_blank" title="Installing Node.js and updating npm">
|
||||
Get them now</a> if they're not already installed on your machine.
|
||||
|
||||
**Verify that you are running node `v4.x.x` or higher and npm `3.x.x` or higher**
|
||||
by running the commands `node -v` and `npm -v` in a terminal/console window.
|
||||
Older versions produce errors.
|
||||
|
||||
We recommend [nvm](https://github.com/creationix/nvm) for managing multiple versions of node and npm.
|
||||
You may need [nvm](https://github.com/creationix/nvm) if you already have projects running on your machine that
|
||||
use other versions of node and npm.
|
||||
|
||||
a#why-locally
|
||||
.l-main-section
|
||||
:marked
|
||||
## Appdendix: Why develop locally
|
||||
|
||||
<live-example>Live coding</live-example> in the browser is a great way to explore Angular.
|
||||
|
||||
Links on almost every documentation page open completed samples in the browser.
|
||||
You can play with the sample code, share your changes with friends, and download and run the code on your own machine.
|
||||
|
||||
The [QuickStart](../quickstart.html "Angular QuickStart Playground") shows just the `AppComponent` file.
|
||||
It creates the equivalent of `app.module.ts` and `main.ts` internally _for the playground only_.
|
||||
so the reader can discover Angular without distraction.
|
||||
The other samples are based on the QuickStart seed.
|
||||
|
||||
As much fun as this is ...
|
||||
* you can't ship your app in plunker
|
||||
* you aren't always online when writing code
|
||||
* transpiling TypeScript in the browser is slow
|
||||
* the type support, refactoring, and code completion only work in your local IDE
|
||||
|
||||
Use the <live-example><i>live coding</i></live-example> environment as a _playground_,
|
||||
a place to try the documentation samples and experiment on your own.
|
||||
It's the perfect place to reproduce a bug when you want to
|
||||
<a href="https://github.com/angular/angular.io/issues/new" target="_blank" title="File a documentation issue">file a documentation issue</a> or
|
||||
<a href="https://github.com/angular/angular/issues/new" target="_blank" title="File an Angular issue">file an issue with Angular itself</a>.
|
||||
|
||||
For real development, we strongly recommend [developing locally](#develop-locally).
|
|
@ -42,11 +42,10 @@ block includes
|
|||
.l-main-section
|
||||
:marked
|
||||
## HTML
|
||||
HTML is the language of the Angular template.
|
||||
The [QuickStart](../quickstart.html) application has a template that is pure HTML:
|
||||
HTML is the language of the Angular template. Our [QuickStart](../quickstart.html) application has a template that is pure HTML:
|
||||
|
||||
code-example(language="html" escape="html").
|
||||
<h1>Hello Angular</h1>
|
||||
<h1>My First Angular App</h1>
|
||||
|
||||
:marked
|
||||
Almost all HTML syntax is valid template syntax. The `<script>` element is a notable exception; it is forbidden, eliminating the risk of script injection attacks. (In practice, `<script>` is simply ignored.)
|
||||
|
|
|
@ -169,7 +169,8 @@ table(width="100%")
|
|||
A bare minimum of discussion plus the downloadable source code must suffice for now.
|
||||
|
||||
There are two fast paths to getting started.
|
||||
1. Start a new project following the instructions in [Setup](setup.html).
|
||||
1. Start a new project following the instructions in the
|
||||
[QuickStart github repository](https://github.com/angular/quickstart/blob/master/README.md).
|
||||
|
||||
1. Start a new project with the
|
||||
[Angular CLI](https://github.com/angular/angular-cli/blob/master/README.md).
|
||||
|
@ -179,12 +180,13 @@ table(width="100%")
|
|||
Their artifacts and procedures differ slightly but their essentials are the same
|
||||
and there are no differences in the test code.
|
||||
|
||||
In this chapter, the application and its tests are based on the documentation setup.
|
||||
In this chapter, the application and its tests are based on the QuickStart repo.
|
||||
|
||||
.alert.is-helpful
|
||||
:marked
|
||||
If your application was based on the [Setup](setup.html) instructions,
|
||||
If your application was based on the QuickStart repository,
|
||||
you can skip the rest of this section and get on with your first test.
|
||||
The QuickStart repo provides all necessary setup.
|
||||
|
||||
#setup-files
|
||||
:marked
|
||||
|
@ -223,7 +225,7 @@ table(width="100%")
|
|||
[SystemJS](https://github.com/systemjs/systemjs/blob/master/README.md)
|
||||
loads the application and test files.
|
||||
This script tells SystemJS where to find those files and how to load them.
|
||||
It's the same version of `systemjs.config.js` used by Setup-based applications.
|
||||
It's the same version of `systemjs.config.js` used by QuickStart-based applications.
|
||||
tr
|
||||
td(style="vertical-align: top") <code>systemjs.config.extras.js</code>
|
||||
td
|
||||
|
@ -280,7 +282,7 @@ code-example(format="." language="bash").
|
|||
Both processes watch pertinent files, write messages to the console, and re-run when they detect changes.
|
||||
.l-sub-section
|
||||
:marked
|
||||
The documentation setup defines the `test` command in the `scripts` section of npm's `package.json`.
|
||||
The QuickStart development path defined the `test` command in the `scripts` section of npm's `package.json`.
|
||||
The Angular CLI has different commands to do the same thing. Adjust accordingly.
|
||||
:marked
|
||||
After a few moments, karma opens a browser and starts writing to the console.
|
||||
|
|
|
@ -23,8 +23,8 @@ a(id="tsconfig")
|
|||
For details about `tsconfig.json`, see the official
|
||||
[TypeScript wiki](http://www.typescriptlang.org/docs/handbook/tsconfig-json.html).
|
||||
:marked
|
||||
We created the following `tsconfig.json` during [Setup](setup.html):
|
||||
+makeJson('quickstart/ts/tsconfig.json', null, 'tsconfig.json')(format=".")
|
||||
We created the following `tsconfig.json` for [QuickStart](../quickstart.html):
|
||||
+makeJson('quickstart/ts/tsconfig.1.json', null, 'tsconfig.json')(format=".")
|
||||
:marked
|
||||
This file contains options and flags that are essential for Angular applications.
|
||||
|
||||
|
@ -36,10 +36,11 @@ a(id="tsconfig")
|
|||
But your choice now can make a difference in larger projects, so it merits discussion.
|
||||
|
||||
When the `noImplicitAny` flag is `false` (the default), and if
|
||||
the compiler cannot infer the variable type based on how it's used,
|
||||
the compiler silently defaults the type to `any`. That's what is meant by *implicit `any`*.
|
||||
the compiler cannot infer the variable type based on how it's used, the compiler silently defaults the type to `any`. That's what is meant by *implicit `any`*.
|
||||
|
||||
In the QuickStart exercise, the `noImplicitAny` flag is initialized to `false`
|
||||
to make learning TypeScript development easier.
|
||||
|
||||
The documentation setup sets the `noImplicitAny` flag to `true`.
|
||||
When the `noImplicitAny` flag is `true` and the TypeScript compiler cannot infer
|
||||
the type, it still generates the JavaScript files, but it also **reports an error**.
|
||||
Many seasoned developers prefer this stricter setting because type checking catches more
|
||||
|
@ -47,14 +48,12 @@ a(id="tsconfig")
|
|||
|
||||
You can set a variable's type to `any` even when the `noImplicitAny` flag is `true`.
|
||||
|
||||
When the `noImplicitAny` flag is `true, you may get *implicit index errors* as well.
|
||||
If you set the `noImplicitAny` flag to `true`, you may get *implicit index errors* as well.
|
||||
Most developers feel that *this particular error* is more annoying than helpful.
|
||||
You can suppress them with the following additional flag:
|
||||
code-example(format=".").
|
||||
"suppressImplicitAnyIndexErrors":true
|
||||
|
||||
:marked
|
||||
The documentation setup sets this flag to `true` as well.
|
||||
|
||||
a(id="typings")
|
||||
.l-main-section
|
||||
|
|
|
@ -433,7 +433,7 @@ figure.image-display
|
|||
|
||||
:marked
|
||||
Now introduce Angular 2 to the project. Inspired by instructions in
|
||||
[the Setup](setup.html), you can selectively copy in material from the
|
||||
[the QuickStart](../quickstart.html), you can selectively copy in material from the
|
||||
<a href="https://github.com/angular/quickstart" target="_blank">QuickStart github repository</a>.
|
||||
|
||||
Next, create an `app.module.ts` file and add the following `NgModule` class:
|
||||
|
@ -892,7 +892,7 @@ code-example(format="").
|
|||
:marked
|
||||
We should also configure the TypeScript compiler so that it can understand our
|
||||
project. We'll add a `tsconfig.json` file to the project directory, just like we do
|
||||
in the documentation [setup](setup.html). It instructs the TypeScript compiler how
|
||||
in the [Quickstart](../quickstart.html). It instructs the TypeScript compiler how
|
||||
to interpret our source files.
|
||||
|
||||
+makeJson('upgrade-phonecat-1-typescript/ts/tsconfig.ng1.json', null, 'tsconfig.json')
|
||||
|
@ -1020,9 +1020,8 @@ code-example(format="").
|
|||
.alert.is-important The project also contains some animations, which we are not yet upgrading in this version of the guide. This will change in a later release.
|
||||
|
||||
:marked
|
||||
Let's install Angular 2 into the project, along with the SystemJS module loader.
|
||||
Take a look at the results of the [Setup](setup.html) instructions
|
||||
and get the following configurations from there:
|
||||
Let's install Angular 2 into the project, along with the SystemJS module loader. Take a look into the
|
||||
[Quickstart](../quickstart.html) guide and get the following configurations from there:
|
||||
|
||||
* Add Angular 2 and the other new dependencies to `package.json`
|
||||
* The SystemJS configuration file `systemjs.config.js` to the project root directory.
|
||||
|
@ -1060,9 +1059,8 @@ code-example(format="").
|
|||
+makeExample('upgrade-phonecat-2-hybrid/ts/index.html', 'ng2', 'index.html')
|
||||
|
||||
:marked
|
||||
We also need to make a couple of adjustments
|
||||
to the `systemjs.config.js` file installed during [setup](setup.html).
|
||||
We want to point the browser to the project
|
||||
In the `systemjs.config.js` file we got from the Quickstart we also need to make a couple
|
||||
of adjustments because of our project structure. We want to point the browser to the project
|
||||
root when loading things through SystemJS, instead of using the `<base>` URL:
|
||||
|
||||
+makeExample('upgrade-phonecat-2-hybrid/ts/systemjs.config.1.js', 'paths', 'systemjs.config.js')
|
||||
|
|
|
@ -1,56 +1,384 @@
|
|||
include _util-fns
|
||||
block includes
|
||||
include _util-fns
|
||||
- var _Install = 'Install'
|
||||
- var _prereq = 'Node.js and npm'
|
||||
- var _angular_browser_uri = '@angular/platform-browser-dynamic'
|
||||
- var _angular_core_uri = '@angular/core'
|
||||
- var _stepInit = 4 // Step # after NgModule step
|
||||
- var _quickstartSrcURL='https://github.com/angular/quickstart/blob/master/README.md'
|
||||
|
||||
//- TS/Dart shared step counter
|
||||
- var step = _stepInit
|
||||
|
||||
+ifDocsFor('ts')
|
||||
aside.is-right
|
||||
:marked
|
||||
The live example link opens the finished application in
|
||||
<a href="http://plnkr.co/" title="Plunker" target="_blank">Plunker</a> so that you can interact
|
||||
with the code. You'll find live examples at the start of most sections.
|
||||
|
||||
:marked
|
||||
The **QuickStart playground** is the easiest way to discover Angular.
|
||||
You don't need to install anything.
|
||||
Just click the image below, launch the live-coding environment, and start entering code.
|
||||
The QuickStart application has the structure of a real-world Angular application and
|
||||
displays the simple message:
|
||||
|
||||
<live-example embedded img="devguide/quickstart/quickstart-plnkr-big.png"><live-example>
|
||||
figure.image-display
|
||||
img(src='/resources/images/devguide/quickstart/hello-angular.png' alt="Output of QuickStart app")
|
||||
|
||||
The QuickStart displays a super-simple Angular component, written in [TypeScript](#typescript):
|
||||
|
||||
+makeExample('app/app.component.ts','','app/app.component.ts')(format='.')
|
||||
:marked
|
||||
Angular applications are made of _components_.
|
||||
A _component_ is the combination of an HTML template and a component class that controls a portion of the screen.
|
||||
**Try it out**. Here's a link to a <live-example></live-example>.
|
||||
|
||||
Every component begins with a `@Component` [_decorator_](glossary.html#decorator '"Decorator" explained') function
|
||||
that takes a _metadata_ object. The metadata describe how the HTML template and component class work together.
|
||||
|
||||
The `selector` property tells Angular to display the component inside a custom `<my-app>` tag in the `index.html`.
|
||||
+makeExample('index.html','my-app','index.html (inside <body>)')(format='.')
|
||||
:marked
|
||||
The `template` property defines a message inside an `<h1>` header.
|
||||
The message starts with "Hello" and ends with `{{name}}`
|
||||
which is an Angular [interpolation binding](guide/displaying-data.html) expression.
|
||||
At runtime, Angular replaces `{{name}}` with the value of the component's `name` property.
|
||||
|
||||
Change the component class's `name` property from `'Angular'` to `'World'` and see what happens.
|
||||
|
||||
Binding is one of many Angular features you'll discover in this documentation.
|
||||
|
||||
.l-sub-section
|
||||
+ifDocsFor('ts')
|
||||
:marked
|
||||
### Next step
|
||||
You can also <a href="!{_quickstartSrcURL}" target="_blank">
|
||||
clone the entire QuickStart application</a> from GitHub.
|
||||
|
||||
This QuickStart playground is fine for exploring Angular
|
||||
but you won't develop a real application there.
|
||||
|
||||
You'll want to develop locally on your own machine.
|
||||
Visit the [**setup guide**](guide/setup.html "Install Angular for local development") to learn how.
|
||||
h1 Build this application!
|
||||
|
||||
:marked
|
||||
- [Prerequisite](#prereq): Install #{_prereq}.
|
||||
- [Step 1](#create-and-configure): Create and configure the project.
|
||||
- [Step 2](#ngmodule): Create your application.
|
||||
<li if-docs="ts">[Step 3](#root-component): Create a component and add it to your application.</li>
|
||||
- [Step !{step++}](#main): Start up your application.
|
||||
- [Step !{step++}](#index): Define the web page that hosts the application.
|
||||
- [Step !{step++}](#build-and-run): Build and run the application.
|
||||
- [Step !{step++}](#make-changes): Make some live changes.
|
||||
- [Wrap up and next steps](#wrap-up)
|
||||
|
||||
- var step = _stepInit // reinitialize step counter for headers to come
|
||||
|
||||
.l-main-section#prereq
|
||||
h2 Prerequisite: Install #{_prereq}
|
||||
|
||||
block setup-tooling
|
||||
:marked
|
||||
If Node.js and npm aren't already on your machine, <a href="http://blog.npmjs.org/post/85484771375/how-to-install-npm"
|
||||
target="_blank">install them</a>. Our examples require node **v4.x.x** or higher and
|
||||
npm **3.x.x** or higher. To check which version you are using, run `node -v` and `npm -v`
|
||||
in a terminal window.
|
||||
|
||||
.l-main-section
|
||||
a#typescript
|
||||
:marked
|
||||
## TypeScript
|
||||
This example is written in <a href="http://www.typescriptlang.org/" target="_blank" title="TypeScript">TypeScript</a>,
|
||||
a typed super-set of the latest JavaScript.
|
||||
TypeScript compiles into JavaScript that runs on any modern browser.
|
||||
Most developers find it delightful which is why most Angular developers write applications in TypeScript.
|
||||
You can write your application in
|
||||
[other versions of JavaScript](cookbook/ts-to-js.html "TypeScript to JavaScript")
|
||||
if you prefer.
|
||||
//
|
||||
[Dart](../../dart/latest)
|
||||
<a href="https://github.com/angular/dart/latest" target="_blank" title="Dart">Dart</a> if you prefer.
|
||||
h2#create-and-configure Step 1: Create and configure the project
|
||||
|
||||
- var _package_and_config_files = _docsFor == 'dart' ? 'pubspec.yaml' : 'configuration files'
|
||||
|
||||
:marked
|
||||
In this step you will:
|
||||
* [Create the project folder](#create-the-project-folder)
|
||||
* [Create #{_package_and_config_files}](#add-config-files)
|
||||
* [#{_Install} packages](#install-packages)
|
||||
|
||||
h3 Create the project folder
|
||||
:marked
|
||||
Using a terminal window, create a directory for the project, and change into this
|
||||
directory.
|
||||
|
||||
- var _ = _docsFor == 'dart' ? '_' : '-';
|
||||
code-example(language="sh" class="code-shell").
|
||||
mkdir angular!{_}quickstart
|
||||
cd angular!{_}quickstart
|
||||
|
||||
h3#add-config-files Create #{_package_and_config_files}
|
||||
block package-and-config-files
|
||||
- var _tsconfigUri = 'guide/typescript-configuration.html#tsconfig'
|
||||
|
||||
p Our typical Angular project needs several configuration files:
|
||||
ul
|
||||
li.
|
||||
#[b package.json] identifies npm package dependencies for the project.
|
||||
li.
|
||||
#[b tsconfig.json] defines how the TypeScript compiler generates JavaScript from the project's
|
||||
files.
|
||||
li.
|
||||
#[b systemjs.config.js] provides information to a module loader about where to find
|
||||
application modules, and registers all the necessary packages. It also
|
||||
contains other packages that will be needed by later documentation examples.
|
||||
|
||||
p.
|
||||
Create each of these files in your project directory. Populate them by pasting in text from
|
||||
the tabs in the example box below.
|
||||
|
||||
a#config-files
|
||||
+makeTabs(`
|
||||
quickstart/ts/package.1.json,
|
||||
quickstart/ts/tsconfig.1.json,
|
||||
quickstart/ts/systemjs.config.1.js
|
||||
`, '', `
|
||||
package.json,
|
||||
tsconfig.json,
|
||||
systemjs.config.js
|
||||
`)
|
||||
|
||||
p.
|
||||
Learn more about these configuration files in the
|
||||
#[a(href="guide/npm-packages.html") Npm Package Configuration] guide and the
|
||||
#[a(href="#{_tsconfigUri}") TypeScript Configuration] guide.
|
||||
A detailed discussion of module loading is beyond the scope of this guide.
|
||||
|
||||
.callout.is-helpful
|
||||
header SystemJS or Webpack?
|
||||
p.
|
||||
Although we use SystemJS for illustrative purposes here, it's only one option for loading
|
||||
modules. Use the module loader that you prefer. For Webpack and Angular, see <a
|
||||
href="guide/webpack.html" >
|
||||
Webpack: an Introduction</a>. Or, learn more about SystemJS configuration in general <a href="https://github.com/systemjs/systemjs/blob/master/docs/config-api.md" target="_blank">here</a>.
|
||||
|
||||
|
||||
h3#install-packages #{_Install} packages
|
||||
block install-packages
|
||||
:marked
|
||||
Using npm from the command line, install the packages listed in `package.json` with the command:
|
||||
|
||||
code-example(language="sh" class="code-shell").
|
||||
npm install
|
||||
|
||||
:marked
|
||||
Error messages—in red—might appear during the install, and you might see `npm WARN` messages. As long as there are no `npm ERR!` messages at the end, you can assume success.
|
||||
|
||||
:marked
|
||||
You should now have the following structure:
|
||||
|
||||
.filetree
|
||||
.file angular-quickstart
|
||||
.children
|
||||
.file node_modules ...
|
||||
.file package.json
|
||||
.file systemjs.config.js
|
||||
.file tsconfig.json
|
||||
|
||||
:marked
|
||||
You're now ready to write some code!
|
||||
|
||||
.l-main-section
|
||||
h2#ngmodule Step 2: Create your application
|
||||
|
||||
block create-your-app
|
||||
:marked
|
||||
You compose Angular applications into closely related blocks of functionality with
|
||||
[NgModules](guide/ngmodule.html). Angular itself is split into separate Angular Modules. This
|
||||
makes it possible for you to keep payload size small by only importing the parts of Angular
|
||||
that your application needs.
|
||||
|
||||
Every Angular application has at least one module: the _root module_, named `AppModule` here.
|
||||
:marked
|
||||
**Create #{_an} #{_appDir} subfolder** off the project root directory:
|
||||
|
||||
code-example.code-shell.
|
||||
mkdir #{_appDir}
|
||||
|
||||
+ifDocsFor('ts')
|
||||
:marked
|
||||
Create the file `app/app.module.ts` with the following content:
|
||||
|
||||
+makeExample('app/app.module.1.ts')(format='.')
|
||||
|
||||
:marked
|
||||
This is the entry point to your application.
|
||||
|
||||
Since the QuickStart application is a web application that runs in a browser, your root module
|
||||
needs to import the
|
||||
[`BrowserModule`](../latest/api/platform-browser/index/BrowserModule-class.html)
|
||||
from `@angular/platform-browser` to the `imports` array.
|
||||
|
||||
This is the smallest amount of Angular that is needed for a minimal application to run in the
|
||||
browser.
|
||||
|
||||
The QuickStart application doesn't do anything else, so you don't need any other modules. In a real
|
||||
application, you'd likely import [`FormsModule`](../latest/api/forms/index/FormsModule-class.html)
|
||||
as well as [`RouterModule`](../latest/api/router/index/RouterModule-class.html) and
|
||||
[`HttpModule`](../latest/api/http/index/HttpModule-class.html). These are introduced in the
|
||||
[Tour of Heroes Tutorial](./tutorial/).
|
||||
|
||||
.l-main-section
|
||||
h2#root-component Step 3: Create a component and add it to your application
|
||||
|
||||
:marked
|
||||
Every Angular application has at least one component: the _root component_, named `AppComponent`
|
||||
here.
|
||||
|
||||
Components are the basic building blocks of Angular applications. A component controls a portion
|
||||
of the screen—a *view*—through its associated template.
|
||||
|
||||
#app-component
|
||||
:marked
|
||||
**Create the component file** <span ngio-ex>app/app.component.ts</span> with the following content:
|
||||
|
||||
+makeExample('app/app.component.ts')
|
||||
|
||||
- var _decorator_function = _docsFor == 'dart' ? 'annotation' : 'decorator function';
|
||||
:marked
|
||||
The QuickStart application has the same essential structure as any other Angular component:
|
||||
|
||||
* **An import statement**. Importing gives your component access to
|
||||
Angular's core [`@Component` !{_decorator_function}](./api/core/index/Component-decorator.html).
|
||||
* **A @Component #{_decorator}** that associates *metadata* with the
|
||||
`AppComponent` component class:
|
||||
|
||||
- a *selector* that specifies a simple CSS selector for an HTML element that represents
|
||||
the component.
|
||||
- a *template* that tells Angular how to render the component's view.
|
||||
* **A component class** that controls the appearance and behavior of a view
|
||||
through its template. Here, you only have the root component, `AppComponent`. Since you don't
|
||||
need any application logic in the simple QuickStart example, it's empty.
|
||||
+ifDocsFor('ts')
|
||||
:marked
|
||||
You *export* the `AppComponent` class so that you can *import* it into the application that you
|
||||
just created.
|
||||
|
||||
Edit the file `app/app.module.ts` to import your new `AppComponent` and add it in the
|
||||
declarations and bootstrap fields in the `NgModule` decorator:
|
||||
|
||||
+makeExample('app/app.module.ts')
|
||||
|
||||
.l-main-section
|
||||
h2#main Step !{step++}: Start up your application
|
||||
|
||||
block create-main
|
||||
:marked
|
||||
Now you need to tell Angular to start up your application.
|
||||
|
||||
Create the file `app/main.ts` with the following content:
|
||||
|
||||
+makeExample('app/main.ts')
|
||||
|
||||
|
||||
- var _pBD_bootstrapModule = _docsFor == 'dart' ? _bootstrapModule : 'platformBrowserDynamic().bootstrapModule'
|
||||
|
||||
:marked
|
||||
This code initializes the platform that your application runs in, then uses the platform to
|
||||
bootstrap your `!{_AppModuleVsAppComp}`.
|
||||
|
||||
### Why create separate *<span ngio-ex>main.ts</span>*<span if-docs="ts">, app module</span> and app component files?
|
||||
|
||||
App bootstrapping is a separate concern from<span if-docs="ts"> creating a module or</span>
|
||||
presenting a view. Testing the component is much easier if it doesn't also try to run the entire application.
|
||||
|
||||
|
||||
.callout.is-helpful
|
||||
header Bootstrapping is platform-specific
|
||||
|
||||
:marked
|
||||
Because the QuickStart application runs directly in the browser, `main.ts` imports the
|
||||
`!{_platformBrowserDynamicVsBootStrap}` function from `#{_angular_browser_uri}`, not
|
||||
`#{_angular_core_uri}`. On a mobile device, you might load a !{_moduleVsComp} with
|
||||
[Apache Cordova](https://cordova.apache.org/) or
|
||||
[NativeScript](https://www.nativescript.org/), using a bootstrap function that's specific
|
||||
to that platform.
|
||||
|
||||
.l-main-section
|
||||
h2#index Step !{step++}: Define the web page that hosts the application
|
||||
:marked
|
||||
In the *#{_indexHtmlDir}* folder,
|
||||
create an `index.html` file and paste the following lines into it:
|
||||
|
||||
+makeExample('index.html')
|
||||
|
||||
|
||||
block commentary-on-index-html
|
||||
:marked
|
||||
The noteworthy sections here are:
|
||||
|
||||
* JavaScript libraries: `core-js` polyfills for older browsers, the `zone.js` and
|
||||
`reflect-metadata` libraries needed by Angular, and the `SystemJS` library for module loading.
|
||||
* Configuration file for `SystemJS`, and a script
|
||||
where you import and run the `app` module which refers to the `main` file that you just
|
||||
wrote.
|
||||
* The `<my-app>` tag in the `<body>` which is *where your app lives!*
|
||||
|
||||
|
||||
:marked
|
||||
### Add some style
|
||||
|
||||
Styles aren't essential, but they're nice, and `index.html` assumes that you have
|
||||
a stylesheet called `styles.css`.
|
||||
|
||||
Create a `styles.css` file in the *#{_indexHtmlDir}* folder, and start styling,
|
||||
perhaps with the minimal styles shown below.
|
||||
|
||||
+makeExcerpt('styles.css (excerpt)', 'quickstart')
|
||||
|
||||
.callout.is-helpful
|
||||
:marked
|
||||
For the full set of master styles used by the documentation samples,
|
||||
see [styles.css](https://github.com/angular/angular.io/blob/master/public/docs/_examples/_boilerplate/styles.css).
|
||||
|
||||
.l-main-section#build-and-run
|
||||
h2 Step !{step++}: Build and run the application
|
||||
block run-app
|
||||
:marked
|
||||
Open a terminal window and enter this command:
|
||||
code-example.code-shell.
|
||||
npm start
|
||||
aside.is-right
|
||||
:marked
|
||||
[Read more](https://github.com/angular/quickstart/blob/master/README.md#npm-scripts) about
|
||||
other useful npm scripts included in this example's `package.json`.
|
||||
|
||||
:marked
|
||||
That command runs the following two parallel node processes:
|
||||
* The TypeScript compiler in watch mode.
|
||||
* A static file server called _lite-server_ that loads `index.html` in a browser
|
||||
and refreshes the browser when application files change.
|
||||
|
||||
In a few moments, a browser tab should open and display the following:
|
||||
|
||||
figure.image-display
|
||||
img(src='/resources/images/devguide/quickstart/hello-angular.png' alt="Output of QuickStart app")
|
||||
|
||||
|
||||
block build-app
|
||||
//- Nothing for ts.
|
||||
|
||||
.l-main-section#make-changes
|
||||
h2 Step !{step++}: Make some live changes
|
||||
:marked
|
||||
Try changing the message in <span ngio-ex>app/app.component.ts</span> to "Hello Again Angular!".
|
||||
|
||||
block server-watching
|
||||
:marked
|
||||
The TypeScript compiler and `lite-server` will detect your change, recompile the TypeScript into JavaScript,
|
||||
refresh the browser, and display your revised message.
|
||||
|
||||
Close the terminal window when you're done to terminate both the compiler and the server.
|
||||
|
||||
.l-main-section
|
||||
h2#wrap-up Wrap up and next steps
|
||||
:marked
|
||||
The final project folder structure looks like this:
|
||||
block project-file-structure
|
||||
.filetree
|
||||
.file angular-quickstart
|
||||
.children
|
||||
.file app
|
||||
.children
|
||||
.file app.component.ts
|
||||
.file app.module.ts
|
||||
.file main.ts
|
||||
.file node_modules ...
|
||||
.file index.html
|
||||
.file package.json
|
||||
.file styles.css
|
||||
.file systemjs.config.js
|
||||
.file tsconfig.json
|
||||
|
||||
block project-files
|
||||
:marked
|
||||
To see the file contents, open the <live-example></live-example>.
|
||||
|
||||
.l-main-section
|
||||
:marked
|
||||
## What next?
|
||||
This first application doesn't do much. It's basically "Hello, World" for Angular.
|
||||
|
||||
You wrote a little Angular component, created a simple `index.html`, and launched with a
|
||||
static file server.
|
||||
|
||||
+ifDocsFor('ts')
|
||||
:marked
|
||||
You also created the basic application setup that you'll re-use for other
|
||||
sections in this guide. From here, the changes you'll make in the
|
||||
`package.json` or `index.html` files are only minor updates to add libraries or some css
|
||||
stylesheets. You also won't need to revisit module loading again.
|
||||
:marked
|
||||
To take the next step and build a small application that demonstrates real features that you can
|
||||
build with Angular, carry on to the [Tour of Heroes tutorial](./tutorial)!
|
||||
|
|
|
@ -2,7 +2,7 @@
|
|||
"index": {
|
||||
"title": "Tutorial: Tour of Heroes",
|
||||
"navTitle": "Introduction",
|
||||
"intro": "The Tour of Heroes tutorial takes you through the steps of creating an Angular application in TypeScript.",
|
||||
"intro": "The Tour of Heroes tutorial takes us through the steps of creating an Angular application in TypeScript.",
|
||||
"nextable": true
|
||||
},
|
||||
"toh-pt1": {
|
||||
|
|
|
@ -79,3 +79,5 @@ figure.image-display
|
|||
met in countless applications. Everything has a reason.
|
||||
|
||||
And we’ll meet many of the core fundamentals of Angular along the way.
|
||||
|
||||
[Let's get started!](./toh-pt1.html)
|
||||
|
|
|
@ -1,12 +1,16 @@
|
|||
include ../_util-fns
|
||||
|
||||
:marked
|
||||
## Setup to develop locally
|
||||
Real application development takes place in a local development environment like your machine.
|
||||
|
||||
Follow the [setup](../guide/setup.html) instructions for creating a new project
|
||||
named <ngio-ex path="angular-tour-of-heroes"></ngio-ex>
|
||||
after which the file structure should look like this:
|
||||
Every story starts somewhere. Our story starts where the [QuickStart](../quickstart.html) ends.
|
||||
|
||||
Run the <live-example></live-example> for this part.
|
||||
|
||||
Create a folder called `angular-tour-of-heroes` and follow the [QuickStart](../quickstart.html) steps
|
||||
which provide the prerequisites, the folder structure, and the core files for our Tour of Heroes.
|
||||
|
||||
include ../_quickstart_repo
|
||||
:marked
|
||||
We should have the following structure:
|
||||
|
||||
.filetree
|
||||
.file angular-tour-of-heroes
|
||||
|
@ -23,14 +27,10 @@ include ../_util-fns
|
|||
.file systemjs.config.js
|
||||
.file tsconfig.json
|
||||
:marked
|
||||
When we're done with this first episode, the app runs like this <live-example></live-example>.
|
||||
|
||||
## Keep the app transpiling and running
|
||||
We want to start the TypeScript compiler, have it watch for changes, and start our server.
|
||||
Do this by entering the following command in the terminal window.
|
||||
We want to start the TypeScript compiler, have it watch for changes, and start our server. We'll do this by typing
|
||||
|
||||
|
||||
code-example(language="sh" class="code-shell").
|
||||
code-example(language="bash").
|
||||
npm start
|
||||
|
||||
:marked
|
||||
|
@ -42,13 +42,13 @@ code-example(language="sh" class="code-shell").
|
|||
## Show our Hero
|
||||
We want to display Hero data in our app
|
||||
|
||||
Update the `AppComponent` so it has two properties: a `title` property for the application name and a `hero` property
|
||||
Let's add two properties to our `AppComponent`, a `title` property for the application name and a `hero` property
|
||||
for a hero named "Windstorm".
|
||||
|
||||
+makeExample('toh-1/ts-snippets/app.component.snippets.pt1.ts', 'app-component-1', 'app.component.ts (AppComponent class)')(format=".")
|
||||
|
||||
:marked
|
||||
Now update the template in the `@Component` decoration with data bindings to these new properties.
|
||||
Now we update the template in the `@Component` decoration with data bindings to these new properties.
|
||||
|
||||
+makeExample('toh-1/ts-snippets/app.component.snippets.pt1.ts', 'show-hero')
|
||||
|
||||
|
|
|
@ -886,7 +886,9 @@ block css-files
|
|||
We can also create styles at the *application level* outside of any component.
|
||||
|
||||
Our designers provided some basic styles to apply to elements across the entire app.
|
||||
These correspond to the full set of master styles that we installed earlier during [setup](../setup.html).
|
||||
These correspond to the full set of master styles that we
|
||||
introduced earlier (see
|
||||
[QuickStart, "Add some style"](../quickstart.html#add-some-style)).
|
||||
Here is an excerpt:
|
||||
|
||||
+makeExcerpt('styles.css (excerpt)', 'toh')
|
||||
|
|
|
@ -618,10 +618,3 @@ block file-summary
|
|||
hero-search.component.css,
|
||||
rxjs-extensions.ts`
|
||||
)
|
||||
|
||||
.l-sub-section
|
||||
:marked
|
||||
### Next Step
|
||||
|
||||
Return to the [learning path](../guide/learning-angular.html#architecture) where
|
||||
you can read about the concepts and practices you discovered in this tutorial.
|
||||
|
|
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|
@ -54,13 +54,11 @@ class PlunkerBuilder {
|
|||
this.copyrights.html = `${pad}<!-- \n${copyright}\n-->`;
|
||||
}
|
||||
|
||||
// Build plunker from JSON configuration file (e.g., plnkr.json):
|
||||
// all properties are optional
|
||||
// files: string[] - array of globs - defaults to all js, ts, html, json, css and md files (with certain files removed)
|
||||
// description: string - description of this plunker - defaults to the title in the index.html page.
|
||||
// tags: string[] - optional array of plunker tags (for searchability)
|
||||
// main: string - name of file that will become index.html in the plunker - defaults to index.html
|
||||
// open: string - name of file to display within the plunker as in "open": "app/app.module.ts"
|
||||
// config has
|
||||
// files: [] - optional array of globs - defaults to all js, ts, html, json, css and md files (with certain files removed)
|
||||
// description: optional string - description of this plunker - defaults to the title in the index.html page.
|
||||
// tags: [] - optional array of strings
|
||||
// main: string - filename of what will become index.html in the plunker - defaults to index.html
|
||||
_buildPlunkerFrom(configFileName) {
|
||||
// replace ending 'plnkr.json' with 'plnkr.no-link.html' to create output file name;
|
||||
var outputFileName = `${this.options.plunkerFileName}.no-link.html`;
|
||||
|
|
|
@ -21,7 +21,7 @@ var _rxRules = {
|
|||
},
|
||||
systemjs: {
|
||||
from: /<script src="systemjs.config.js"><\/script>/,
|
||||
to: '<script src="https://cdn.rawgit.com/angular/angular.io/b3c65a9/public/docs/_examples/_boilerplate/systemjs.config.web.js"></script>'
|
||||
to: '<script src="https://cdn.rawgit.com/angular/angular.io/f2daab7/public/docs/_examples/_boilerplate/systemjs.config.web.js"></script>'
|
||||
},
|
||||
// Clear script like this:
|
||||
// <script>
|
||||
|
|
Loading…
Reference in New Issue