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56-tools:angular

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Prochaine révision		Révision précédente
56-tools:angular [2018/03/06 23:59] – [Interpolation] Roge56-tools:angular [2018/04/08 20:48] (Version actuelle) – [*ngFor] Roge
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 ===== Ressources ===== ===== Ressources =====
  
 +https://blog.angularindepth.com/
  
 https://material.angular.io/components/categories https://material.angular.io/components/categories
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 | ''%%(event)%%'' | Event binding | | ''%%(event)%%'' | Event binding |
  
-====== Interpolation ======+==== Interpolation ====
  
  
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   * ''<button **(click)**="onSave()">Save</button>''   * ''<button **(click)**="onSave()">Save</button>''
-  * ''<button **on-click**="onSave()">On Save</button>''+  * ''<button **on-click**="onSave()">Save</button>''
  
  
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 ===== Template reference variables ( #var ) ===== ===== Template reference variables ( #var ) =====
  
 +variable locale qui peut être utilisée par la suite :
 <code> <code>
 <input #phone placeholder="phone number"> <input #phone placeholder="phone number">
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 <!-- phone refers to the input element; pass its `value` to an event handler --> <!-- phone refers to the input element; pass its `value` to an event handler -->
 <button (click)="callPhone(phone.value)">Call</button> <button (click)="callPhone(phone.value)">Call</button>
 +</code>
 +
 +===== Directives structurelles =====
 +
 +==== *ngIf ====
 +
 +Micro syntax:
 +<code>
 +<div *ngIf="hero" class="name">{{hero.name}}</div>
 +</code>
 +
 +Equivallent full syntax:
 +<code>
 +<ng-template [ngIf]="hero">
 +  <div class="name">{{hero.name}}</div>
 +</ng-template>
 +</code>
 +==== *ngFor ====
 +
 +Micro code:
 +<code>
 +<div *ngFor="let hero of heroes; let i=index; let odd=odd; trackBy: trackById" [class.odd]="odd">
 +  ({{i}}) {{hero.name}}
 +</div>
 +</code>
 +
 +Equivalent full syntax:
 +<code>
 +<ng-template ngFor let-hero [ngForOf]="heroes" let-i="index" let-odd="odd" [ngForTrackBy]="trackById">
 +  <div [class.odd]="odd">({{i}}) {{hero.name}}</div>
 +</ng-template>
 +</code>
 +
 +==== ngSwitch  ====
 +
 +Micro code:
 +<code>
 +<div [ngSwitch]="hero?.emotion">
 +  <app-happy-hero    *ngSwitchCase="'happy'"    [hero]="hero"></app-happy-hero>
 +  <app-sad-hero      *ngSwitchCase="'sad'"      [hero]="hero"></app-sad-hero>
 +  <app-confused-hero *ngSwitchCase="'app-confused'" [hero]="hero"></app-confused-hero>
 +  <app-unknown-hero  *ngSwitchDefault           [hero]="hero"></app-unknown-hero>
 +</div>
 +</code>
 +
 +Equivalent full syntax:
 +<code>
 +<div [ngSwitch]="hero?.emotion">
 +  <ng-template [ngSwitchCase]="'happy'">
 +    <app-happy-hero [hero]="hero"></app-happy-hero>
 +  </ng-template>
 +  <ng-template [ngSwitchCase]="'sad'">
 +    <app-sad-hero [hero]="hero"></app-sad-hero>
 +  </ng-template>
 +  <ng-template [ngSwitchCase]="'confused'">
 +    <app-confused-hero [hero]="hero"></app-confused-hero>
 +  </ng-template >
 +  <ng-template ngSwitchDefault>
 +    <app-unknown-hero [hero]="hero"></app-unknown-hero>
 +  </ng-template>
 +</div>
 </code> </code>
 ===== Input and Output properties ===== ===== Input and Output properties =====
  
-An **Input property** is a settable property annotated with an ''@Input'' decorator. Values flow into the property when it is data bound with a **//property binding//** ''[property]''.+An **Input property** is a settable property annotated with an ''@Input()'' decorator. Values flow into the property when it is data bound with a **//property binding//** ''[property]''.
  
 //Exemple://  //Exemple:// 
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-An **Output property** is an observable property annotated with an ''@Output'' decorator. The property almost always returns an //**Angular EventEmitter**//. Values flow out of the component as events bound with an **//event binding//** ''%%(event)%%''.+An **Output property** is an observable property annotated with an ''@Output()'' decorator. The property almost always returns an //**Angular EventEmitter**//. Values flow out of the component as events bound with an **//event binding//** ''%%(event)%%''.
  
  
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 +===== Testing =====
 +
 +https://psamsotha.github.io/angular/2016/12/16/angular2-testing-karma-systemjs.html
 +
 +https://jasmine.github.io/api/edge/matchers.html
 +
 +https://github.com/mgechev/angular-performance-checklist
 +
 +https://blog.oasisdigital.com/2017/angular-runtime-performance-guide/
 +===== Exemples et tests =====
 +
 +https://stackblitz.com/edit/ng-countdown-timer
  
 +https://stackblitz.com/edit/ng-material-dialog-test
  
Dernière modification : 2018/03/06 23:59

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