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docs(readme): update v4 breaking changes

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Brandy Carney
2017-07-12 16:04:54 -04:00
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packages/ionic-angular/README.md
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@ -100,9 +100,138 @@ These have been renamed to the following, and moved from the button element to t
</ion-button>
```
#### FAB
##### Markup Changed
Buttons inside of an `<ion-fab>` container should now be written as an `<ion-fab-button>` element. Ionic will determine when to render an anchor tag based on the presence of an `href` attribute.
**Old Usage Example:**
```html
<ion-fab top right edge>
<button ion-fab>
<ion-icon name="add"></ion-icon>
</button>
<ion-fab-list>
<button ion-fab>
<ion-icon name="logo-facebook"></ion-icon>
</button>
<button ion-fab>
<ion-icon name="logo-twitter"></ion-icon>
</button>
<button ion-fab>
<ion-icon name="logo-vimeo"></ion-icon>
</button>
<button ion-fab>
<ion-icon name="logo-googleplus"></ion-icon>
</button>
</ion-fab-list>
</ion-fab>
```
**New Usage Example:**
```html
<ion-fab top right edge>
<ion-fab-button>
<ion-icon name="add"></ion-icon>
</ion-fab-button>
<ion-fab-list>
<ion-fab-button>
<ion-icon name="logo-facebook"></ion-icon>
</ion-fab-button>
<ion-fab-button>
<ion-icon name="logo-twitter"></ion-icon>
</ion-fab-button>
<ion-fab-button>
<ion-icon name="logo-vimeo"></ion-icon>
</ion-fab-button>
<ion-fab-button>
<ion-icon name="logo-googleplus"></ion-icon>
</ion-fab-button>
</ion-fab-list>
</ion-fab>
```
##### Fixed Content
The `<ion-fab>` container was previously placed inside of the fixed content by default. Now, any fixed content should go inside of the `<ion-fixed>` container.
**Old Usage Example:**
```html
<ion-content>
<ion-fab top right edge>
<ion-fab-button>Main Button</ion-fab-button>
<ion-fab-list>
<ion-fab-button>List Button</ion-fab-button>
<ion-fab-button>List Button</ion-fab-button>
<ion-fab-button>List Button</ion-fab-button>
<ion-fab-button>List Button</ion-fab-button>
</ion-fab-list>
</ion-fab>
Scrollable Content
</ion-content>
```
**New Usage Example:**
```html
<ion-fixed>
<ion-fab top right edge>
<ion-fab-button>Main Button</ion-fab-button>
<ion-fab-list>
<ion-fab-button>List Button</ion-fab-button>
<ion-fab-button>List Button</ion-fab-button>
<ion-fab-button>List Button</ion-fab-button>
<ion-fab-button>List Button</ion-fab-button>
</ion-fab-list>
</ion-fab>
</ion-fixed>
<ion-content>
Scrollable Content
</ion-content>
```
#### Item
##### Markup Changed
Item should now be written as an `<ion-item>` element. Ionic will determine when to render an anchor tag based on the presence of an `href` attribute, and a button tag based on the presence of a click. Otherwise, it will render a div.
**Old Usage Example:**
```html
<ion-item>
Default Item
</ion-item>
<button ion-item (click)="doSomething()">
Button Item
</button>
<a ion-item href="#">
Anchor Item
</a>
```
**New Usage Example:**
```html
<ion-item>
Default Item
</ion-item>
<ion-item (click)="doSomething()">
Button Item
</ion-item>
<ion-item href="#">
Anchor Item
</ion-item>
```
##### Label Required
Previously an `ion-label` would automatically get added to an `ion-item` if one wasn't provided. Now an `ion-label` should always be added if the item is used to display text.