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Merge pull request #56 from davideast/jsqs 

Copyedit of JS quick start
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Alex Wolfe 2015-03-04 20:30:18 -08:00
parent 9f65d55a2d d56ede4e53
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10
public/docs/dart/latest/quickstart.jade
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@ -52,7 +52,6 @@ p.
will be higher than alpha 6. That's fine.
// PENDING: Update once 1.9 is on stable channel.
// TODO: Convert the above to a callout.
// STEP 2 - Import Angular ##########################
@ -152,16 +151,11 @@ p.
of its component controller.
The template above binds to a <code>name</code> property through
the double-mustache syntax (<code ng-non-bindable>{{ ... }}</code>).
p.
The component controller assigns "Alice" to the name property. When the
template renders, "Hello Alice" appears instead of
<span ng-non-bindable>"Hello {{ name }}"</span>.
// [PENDING: Do we really want to use the term "component controller"?
// If so, set it up beforehand.
// In the original text, what does "the backing" mean, and is it
// important that we keep it?]
pre.prettyprint
code.
class AppComponent {
@ -264,4 +258,4 @@ p.
to get the latest version of Angular 2.
// [PENDING: really?] Perhaps point to dartlang.org.
// [PENDING: Perhaps point to dartlang.org.]

157
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@ -20,7 +20,7 @@ p.
.l-main-section
h2#section-add-es6-shim 2. Add the es6-shim
p. Within your project, clone the es6-shim repository:
p Within your project, clone the es6-shim repository:
pre.prettyprint
code git clone https://github.com/davideast/conscious.git es6-shim
@ -28,7 +28,7 @@ p.
p.
For the sake of this quickstart we recommend using the
<a href="https://github.com/davideast/conscious"> <code>es6-shim</code> GitHub repository</a>.
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.
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.
.l-sub-section
h3 ES6, AtScript, and the es6-shim
@ -36,19 +36,22 @@ p.
h4 AtScript
p.
Angular is built with <strong>AtScript</strong>. AtScript is an extension of ES6 (ECMAScript 6), the new specification
of the JavaScript language. This quickstart will be written in AtScript, but it is not required in Angular.
of the JavaScript language. This quickstart features AtScript, but Angular
doesn't require you to write AtScript.
h4 ES6
p.
AtScript compiles to <strong>ES6</strong>. ES6 is not widely supported in all browsers today.
AtScript compiles to <strong>ES6</strong>, which is not widely supported in all browsers today.
The es6-shim repository allows you to use ES6 or AtScript in the browser.
h4 es6-shim
p.
The <strong>es6-shim</strong> package includes Angular and dependencies needed to compile
ES6 in the browser, such as Traceur. Traceur is an ES6 compiler that transpiles ES6 to ES5 code.
Think of the es6-shim repository as package rather than a project.
The <strong>es6-shim</strong> package includes Angular and dependencies
(such as Traceur) needed to compile
ES6 in the browser. Traceur is an ES6 compiler that transpiles ES6 to ES5 code.
Think of the es6-shim repository as a package rather than a project.
// PENDING: "Think of ... as a package" could be clearer.
// STEP 2 - Import Angular ##########################
@ -56,20 +59,24 @@ p.
h2#section-transpile 2. Import Angular
p.
Create two files for this quickstart, an <code>index.html</code> and a
<code>app.es6</code>. Both of these files will be at the root of the project.
The <code>.es6</code> extension signifies that the file uses ES6 syntax.
Create two files, <code>index.html</code> and
<code>app.es6</code>, both at the root of the project:
pre.prettyprint.linenums
code touch index.html
| touch app.es6
pre.prettyprint
code.
touch index.html
touch app.es6
p Inside of <code>app.es6</code>, use the ES6 module syntax you can import the required modules from Angular.
.alert.is-helpful The <code>.es6</code> extension signifies that the file uses ES6 syntax.
p Inside of <code>app.es6</code>, import the required modules from Angular:
pre.prettyprint.linenums
code import {Component, Template, bootstrap} from 'angular2/angular2';
p The above import statement will import three modules from Angular. These modules load at runtime.
p.
The above import statement uses ES6 module syntax to import three modules from Angular.
These modules load at runtime.
// STEP 3 - Create a component ##########################
@ -78,24 +85,23 @@ p.
h2#section-angular-create-account 3. Define a component
p.
Components structure and represent the UI. This quickstart demonstrates the process of creating a component.
The component will have an HTML tag named app,
<strong><code>&lt;my-app&gt;&lt;/my-app&gt;</code></strong>.
Components structure and represent the UI. This quickstart demonstrates the process of creating a component
that has an HTML tag named <strong><code>&lt;my-app&gt;</code></strong>.
p.
A component consists of two parts; the <strong>annotation section</strong>
A component consists of two parts, the <strong>annotation section</strong>
and the <strong>component controller</strong>.
pre.prettyprint.linenums
code.
// Annotation Section
// Annotation section
@Component({
selector: 'my-app'
})
@Template({
inline: '&lt;h1&gt;Hello {{ name }}&lt;/h1&gt;'
})
// Component Controller
// Component controller
class MyAppComponent {
constructor() {
this.name = 'Alice';
@ -103,20 +109,20 @@ p.
}
.l-sub-section
h3 Component Annotations
h3 Component annotations
p.
A component annotation provides metadata about the component.
An annotation can always identified by its at-sign (<code>@</code>).
An annotation can be identified by its at-sign (<code>@</code>).
p.
The <code>@Component</code> annotation defines the HTML tag for the component.
The <code>selector</code> property is a CSS selector which specifies the HTML tag for the component.
The <code>@Component</code> annotation defines
the HTML tag for the component by specifying the component's CSS selector.
p.
The <code>@Template</code> annotation defines the template to apply to the component.
This component uses an inline template, but external templates are
available as well. To use an external template specify a <code>url</code> property
and give it the path to the html file.
The <code>@Template</code> annotation defines the HTML that
represents the component. This component uses an inline template,
but you can also have an external template. To use an external template,
specify a <code>url</code> property
and give it the path to the HTML file.
pre.prettyprint.linenums
code.
@ -128,11 +134,11 @@ p.
})
p.
The component created above has a HTML tag of <code>&lt;my-app&gt;&lt;/my-app&gt;</code>
and a template of <code>&lt;h1&gt;Hello <code>{{</code> name }}&lt;/h1&gt;</code>.
The annotations above specify an HTML tag of <code>&lt;my-app&gt;</code>
and a template of <code ng-non-bindable>&lt;h1&gt;Hello &#123;&#123; name }}&lt;/h1&gt;</code>.
.l-sub-section
h3 Component Controller
h3 The template and the component controller
p.
The component controller is the backing of the component's template. A component
@ -151,9 +157,11 @@ p.
or functions placed on the component controller.
p.
The template above binds to a <code>name</code> property through the <code>{{ }}</code>
syntax.The body of the constructor assigns "Alice" to the name property. When the
template renders, Alice will appear instead of <code>{{ name }}</code>.
The template above binds to a <code>name</code> property through
the double-mustache syntax (<code ng-non-bindable>{{ ... }}</code>).
The body of the constructor assigns "Alice" to the name property. When the
template renders, "Hello Alice" appears instead of
<span ng-non-bindable>"Hello {{ name }}"</span>.
@ -161,17 +169,18 @@ p.
.l-main-section
h2#section-transpile 4. Bootstrap
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.
p.
At the bottom of <code>app.es6</code>, call the <code>bootstrap()</code> function
to load your new component into its page:
pre.prettyprint.linenums
code bootstrap(MyAppComponent);
p.
Angular provides a <code>bootstrap</code> function that renders a
component to the page. The <code>bootstrap</code> function takes a
component as a parameter. Any child components inside of the parent
component will render as well.
The <code>bootstrap()</code> function takes a
component as a parameter, enabling the component
(as well as any child components it contains) to render.
// STEP 5 - Declare the HTML ##########################
@ -180,8 +189,9 @@ p.
h2#section-angular-create-account 5. Declare the HTML
p.
Inside of the <code>index.html</code>, include the <code>es6-shim.js</code> file in the <code>head</code> tag.
Now, declare the app component the <code>body</code>. The es6-shim must load before any application code.
Inside the <code>head</code> tag of <code>index.html</code>, include the <code>es6-shim.js</code> file.
(The es6-shim code must load before any application code.)
Then instantiate the <code>my-app</code> component in the <code>body</code>.
pre.prettyprint.linenums
code.
@ -202,53 +212,54 @@ p.
// STEP 6 - Declare the HTML ##########################
.l-main-section
h2#section-load-component-module 5. Load the component
h2#section-load-component-module 6. Load the component
p.
The last step is to load the module for the my-app component.
The es6-shim file comes packaged with the System library. We'll
use System to load the component we created above.
The last step is to load the module for the <code>my-app</code> component.
To do this, we'll use the System library,
which is included in es6-shim.
.l-sub-section
h3 System.js
p.
System is a third-party open sourced library. Most browsers today do not support ES6 module loading. System
provides module loading functionality to these browsers.
System is a third-party open-source library that
adds ES6 module loading functionality to browsers.
p.
To load the needed modules, System needs to know where to
load the files from. The paths property in System specifies
the location of the files.
Add the following module-loading code to <code>index.html</code>:
p Tell System about three paths:
ol
li Angular: The Angular framework.
li Runtime assertions: Optional assertions for runtime type checking.
li The my-app component created above: The component to display on the page.
pre.prettyprint.linenums
code.
&lt;my-app&gt;&lt;/my-app&gt;
pre.prettyprint.linenums
code.
&lt;my-app&gt;&lt;/my-app&gt;
&lt;script&gt;
// Rewrite the paths to load the files
System.paths = {
'angular2/*':'/es6-shim/angular2/*.js', // Angular
'rtts_assert/*': '/es6-shim/rtts_assert/*.js', //Runtime assertions
'app': 'app.es6' // The my-app component
};
&lt;script&gt;
// Rewrite the paths to load the files
System.paths = {
'angular2/*':'/es6-shim/angular2/*.js', // Angular
'rtts_assert/*': '/es6-shim/rtts_assert/*.js', //Runtime assertions
'app': 'app.es6' // The my-app component
};
// Kick off the application
System.import('app');
&lt;/script&gt;
// Kick off the application
System.import('app');
&lt;/script&gt;
p.
The <code>System.paths</code> property above specifies
the paths to the following modules:
ul
li The Angular framework
li Optional assertions for runtime type checking
li The component to display on the page
// STEP 6 - Declare the HTML ##########################
// STEP 6 - Run a local server ##########################
.l-main-section
h2#section-load-component-module 5. Run a local server
h2#section-load-component-module 6. Run a local server
// PENDING: add directions (or at least hints) here
// WHAT'S NEXT... ##########################
.l-main-section