parent
b3d8bea11c
commit
9cc3d7141a
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@ -52,6 +52,7 @@ p.
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will be higher than alpha 6. That's fine.
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will be higher than alpha 6. That's fine.
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// PENDING: Update once 1.9 is on stable channel.
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// PENDING: Update once 1.9 is on stable channel.
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// TODO: Convert the above to a callout.
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// STEP 2 - Import Angular ##########################
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// STEP 2 - Import Angular ##########################
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@ -151,11 +152,16 @@ p.
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of its component controller.
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of its component controller.
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The template above binds to a <code>name</code> property through
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The template above binds to a <code>name</code> property through
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the double-mustache syntax (<code ng-non-bindable>{{ ... }}</code>).
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the double-mustache syntax (<code ng-non-bindable>{{ ... }}</code>).
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p.
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The component controller assigns "Alice" to the name property. When the
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The component controller assigns "Alice" to the name property. When the
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template renders, "Hello Alice" appears instead of
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template renders, "Hello Alice" appears instead of
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<span ng-non-bindable>"Hello {{ name }}"</span>.
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<span ng-non-bindable>"Hello {{ name }}"</span>.
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// [PENDING: Do we really want to use the term "component controller"?
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// If so, set it up beforehand.
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// In the original text, what does "the backing" mean, and is it
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// important that we keep it?]
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pre.prettyprint
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pre.prettyprint
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code.
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code.
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class AppComponent {
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class AppComponent {
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@ -258,4 +264,4 @@ p.
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to get the latest version of Angular 2.
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to get the latest version of Angular 2.
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// [PENDING: Perhaps point to dartlang.org.]
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// [PENDING: really?] Perhaps point to dartlang.org.
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@ -20,7 +20,7 @@ p.
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.l-main-section
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.l-main-section
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h2#section-add-es6-shim 2. Add the es6-shim
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h2#section-add-es6-shim 2. Add the es6-shim
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p Within your project, clone the es6-shim repository:
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p. Within your project, clone the es6-shim repository:
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pre.prettyprint
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pre.prettyprint
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code git clone https://github.com/davideast/conscious.git es6-shim
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code git clone https://github.com/davideast/conscious.git es6-shim
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@ -28,7 +28,7 @@ p.
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p.
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p.
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For the sake of this quickstart we recommend using the
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For the sake of this quickstart we recommend using the
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<a href="https://github.com/davideast/conscious"> <code>es6-shim</code> GitHub repository</a>.
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<a href="https://github.com/davideast/conscious"> <code>es6-shim</code> GitHub repository</a>.
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This repository provides a faster start than building from <code>npm</code>. The <code>es6-shim</code> includes Angular and dependencies to compile ES6 in incompatible browsers.
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This repository will provides a faster start than building from <code>npm</code>. The <code>es6-shim</code> includes Angular and dependencies to compile ES6 in incompatible browsers.
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.l-sub-section
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.l-sub-section
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h3 ES6, AtScript, and the es6-shim
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h3 ES6, AtScript, and the es6-shim
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h4 AtScript
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h4 AtScript
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p.
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p.
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Angular is built with <strong>AtScript</strong>. AtScript is an extension of ES6 (ECMAScript 6), the new specification
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Angular is built with <strong>AtScript</strong>. AtScript is an extension of ES6 (ECMAScript 6), the new specification
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of the JavaScript language. This quickstart features AtScript, but Angular
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of the JavaScript language. This quickstart will be written in AtScript, but it is not required in Angular.
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doesn't require you to write AtScript.
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h4 ES6
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h4 ES6
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p.
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p.
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AtScript compiles to <strong>ES6</strong>, which is not widely supported in all browsers today.
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AtScript compiles to <strong>ES6</strong>. ES6 is not widely supported in all browsers today.
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The es6-shim repository allows you to use ES6 or AtScript in the browser.
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The es6-shim repository allows you to use ES6 or AtScript in the browser.
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h4 es6-shim
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h4 es6-shim
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p.
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p.
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The <strong>es6-shim</strong> package includes Angular and dependencies
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The <strong>es6-shim</strong> package includes Angular and dependencies needed to compile
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(such as Traceur) needed to compile
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ES6 in the browser, such as Traceur. Traceur is an ES6 compiler that transpiles ES6 to ES5 code.
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ES6 in the browser. Traceur is an ES6 compiler that transpiles ES6 to ES5 code.
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Think of the es6-shim repository as package rather than a project.
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Think of the es6-shim repository as a package rather than a project.
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// PENDING: "Think of ... as a package" could be clearer.
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// STEP 2 - Import Angular ##########################
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// STEP 2 - Import Angular ##########################
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h2#section-transpile 2. Import Angular
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h2#section-transpile 2. Import Angular
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p.
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p.
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Create two files, <code>index.html</code> and
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Create two files for this quickstart, an <code>index.html</code> and a
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<code>app.es6</code>, both at the root of the project:
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<code>app.es6</code>. Both of these files will be at the root of the project.
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The <code>.es6</code> extension signifies that the file uses ES6 syntax.
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pre.prettyprint
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pre.prettyprint.linenums
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code.
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code touch index.html
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touch index.html
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| touch app.es6
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touch app.es6
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.alert.is-helpful The <code>.es6</code> extension signifies that the file uses ES6 syntax.
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p Inside of <code>app.es6</code>, use the ES6 module syntax you can import the required modules from Angular.
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p Inside of <code>app.es6</code>, import the required modules from Angular:
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pre.prettyprint.linenums
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pre.prettyprint.linenums
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code import {Component, Template, bootstrap} from 'angular2/angular2';
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code import {Component, Template, bootstrap} from 'angular2/angular2';
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p.
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p The above import statement will import three modules from Angular. These modules load at runtime.
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The above import statement uses ES6 module syntax to import three modules from Angular.
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These modules load at runtime.
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// STEP 3 - Create a component ##########################
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// STEP 3 - Create a component ##########################
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h2#section-angular-create-account 3. Define a component
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h2#section-angular-create-account 3. Define a component
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p.
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p.
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Components structure and represent the UI. This quickstart demonstrates the process of creating a component
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Components structure and represent the UI. This quickstart demonstrates the process of creating a component.
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that has an HTML tag named <strong><code><my-app></code></strong>.
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The component will have an HTML tag named app,
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<strong><code><my-app></my-app></code></strong>.
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p.
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p.
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A component consists of two parts, the <strong>annotation section</strong>
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A component consists of two parts; the <strong>annotation section</strong>
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and the <strong>component controller</strong>.
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and the <strong>component controller</strong>.
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pre.prettyprint.linenums
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pre.prettyprint.linenums
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code.
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code.
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// Annotation section
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// Annotation Section
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@Component({
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@Component({
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selector: 'my-app'
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selector: 'my-app'
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})
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})
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@Template({
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@Template({
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inline: '<h1>Hello {{ name }}</h1>'
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inline: '<h1>Hello {{ name }}</h1>'
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})
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})
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// Component controller
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// Component Controller
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class MyAppComponent {
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class MyAppComponent {
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constructor() {
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constructor() {
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this.name = 'Alice';
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this.name = 'Alice';
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}
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}
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.l-sub-section
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.l-sub-section
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h3 Component annotations
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h3 Component Annotations
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p.
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p.
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A component annotation provides metadata about the component.
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A component annotation provides metadata about the component.
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An annotation can be identified by its at-sign (<code>@</code>).
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An annotation can always identified by its at-sign (<code>@</code>).
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p.
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p.
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The <code>@Component</code> annotation defines
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The <code>@Component</code> annotation defines the HTML tag for the component.
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the HTML tag for the component by specifying the component's CSS selector.
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The <code>selector</code> property is a CSS selector which specifies the HTML tag for the component.
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p.
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p.
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The <code>@Template</code> annotation defines the HTML that
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The <code>@Template</code> annotation defines the template to apply to the component.
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represents the component. This component uses an inline template,
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This component uses an inline template, but external templates are
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but you can also have an external template. To use an external template,
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available as well. To use an external template specify a <code>url</code> property
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specify a <code>url</code> property
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and give it the path to the html file.
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and give it the path to the HTML file.
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pre.prettyprint.linenums
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pre.prettyprint.linenums
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code.
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code.
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@ -134,11 +128,11 @@ p.
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})
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})
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p.
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p.
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The annotations above specify an HTML tag of <code><my-app></code>
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The component created above has a HTML tag of <code><my-app></my-app></code>
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and a template of <code ng-non-bindable><h1>Hello {{ name }}</h1></code>.
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and a template of <code><h1>Hello <code>{{</code> name }}</h1></code>.
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.l-sub-section
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.l-sub-section
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h3 The template and the component controller
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h3 Component Controller
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p.
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p.
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The component controller is the backing of the component's template. A component
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The component controller is the backing of the component's template. A component
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or functions placed on the component controller.
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or functions placed on the component controller.
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p.
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p.
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The template above binds to a <code>name</code> property through
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The template above binds to a <code>name</code> property through the <code>{{ }}</code>
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the double-mustache syntax (<code ng-non-bindable>{{ ... }}</code>).
|
syntax.The body of the constructor assigns "Alice" to the name property. When the
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The body of the constructor assigns "Alice" to the name property. When the
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template renders, Alice will appear instead of <code>{{ name }}</code>.
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template renders, "Hello Alice" appears instead of
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<span ng-non-bindable>"Hello {{ name }}"</span>.
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@ -169,18 +161,17 @@ p.
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.l-main-section
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.l-main-section
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h2#section-transpile 4. Bootstrap
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h2#section-transpile 4. Bootstrap
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|
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p.
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p The last step to load the component on the page. At the bottom of <code>app.es6</code> call the <code>bootstrap()</code> function.
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At the bottom of <code>app.es6</code>, call the <code>bootstrap()</code> function
|
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to load your new component into its page:
|
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|
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pre.prettyprint.linenums
|
pre.prettyprint.linenums
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code bootstrap(MyAppComponent);
|
code bootstrap(MyAppComponent);
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|
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|
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p.
|
p.
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The <code>bootstrap()</code> function takes a
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Angular provides a <code>bootstrap</code> function that renders a
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component as a parameter, enabling the component
|
component to the page. The <code>bootstrap</code> function takes a
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(as well as any child components it contains) to render.
|
component as a parameter. Any child components inside of the parent
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|
component will render as well.
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// STEP 5 - Declare the HTML ##########################
|
// STEP 5 - Declare the HTML ##########################
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@ -189,9 +180,8 @@ p.
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h2#section-angular-create-account 5. Declare the HTML
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h2#section-angular-create-account 5. Declare the HTML
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|
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p.
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p.
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Inside the <code>head</code> tag of <code>index.html</code>, include the <code>es6-shim.js</code> file.
|
Inside of the <code>index.html</code>, include the <code>es6-shim.js</code> file in the <code>head</code> tag.
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(The es6-shim code must load before any application code.)
|
Now, declare the app component the <code>body</code>. The es6-shim must load before any application code.
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Then instantiate the <code>my-app</code> component in the <code>body</code>.
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|
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pre.prettyprint.linenums
|
pre.prettyprint.linenums
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code.
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code.
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@ -212,54 +202,53 @@ p.
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// STEP 6 - Declare the HTML ##########################
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// STEP 6 - Declare the HTML ##########################
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.l-main-section
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.l-main-section
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|
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h2#section-load-component-module 6. Load the component
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h2#section-load-component-module 5. Load the component
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|
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p.
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p.
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The last step is to load the module for the <code>my-app</code> component.
|
The last step is to load the module for the my-app component.
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To do this, we'll use the System library,
|
The es6-shim file comes packaged with the System library. We'll
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which is included in es6-shim.
|
use System to load the component we created above.
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|
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.l-sub-section
|
.l-sub-section
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h3 System.js
|
h3 System.js
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|
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p.
|
p.
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System is a third-party open-source library that
|
System is a third-party open sourced library. Most browsers today do not support ES6 module loading. System
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adds ES6 module loading functionality to browsers.
|
provides module loading functionality to these browsers.
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|
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p.
|
p.
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Add the following module-loading code to <code>index.html</code>:
|
To load the needed modules, System needs to know where to
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|
load the files from. The paths property in System specifies
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|
the location of the files.
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|
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pre.prettyprint.linenums
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p Tell System about three paths:
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code.
|
ol
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<my-app></my-app>
|
li Angular: The Angular framework.
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li Runtime assertions: Optional assertions for runtime type checking.
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li The my-app component created above: The component to display on the page.
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|
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<script>
|
pre.prettyprint.linenums
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// Rewrite the paths to load the files
|
code.
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System.paths = {
|
<my-app></my-app>
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'angular2/*':'/es6-shim/angular2/*.js', // Angular
|
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'rtts_assert/*': '/es6-shim/rtts_assert/*.js', //Runtime assertions
|
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'app': 'app.es6' // The my-app component
|
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};
|
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|
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// Kick off the application
|
<script>
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System.import('app');
|
// Rewrite the paths to load the files
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</script>
|
System.paths = {
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|
'angular2/*':'/es6-shim/angular2/*.js', // Angular
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|
'rtts_assert/*': '/es6-shim/rtts_assert/*.js', //Runtime assertions
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|
'app': 'app.es6' // The my-app component
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|
};
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|
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p.
|
// Kick off the application
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The <code>System.paths</code> property above specifies
|
System.import('app');
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the paths to the following modules:
|
</script>
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ul
|
|
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li The Angular framework
|
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li Optional assertions for runtime type checking
|
|
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li The component to display on the page
|
|
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|
|
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|
// STEP 6 - Declare the HTML ##########################
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// STEP 6 - Run a local server ##########################
|
|
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.l-main-section
|
.l-main-section
|
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|
|
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h2#section-load-component-module 6. Run a local server
|
h2#section-load-component-module 5. Run a local server
|
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|
|
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|
|
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// PENDING: add directions (or at least hints) here
|
|
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|
|
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// WHAT'S NEXT... ##########################
|
// WHAT'S NEXT... ##########################
|
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.l-main-section
|
.l-main-section
|
||||||
|
|
Loading…
Reference in New Issue