ion-nav

shadow

Nav is a standalone component for loading arbitrary components and pushing new components on to the stack.

Unlike Router Outlet, Nav is not tied to a particular router. This means that if we load a Nav component, and push other components to the stack, they will not affect the app's overall router. For example, you should not push a new component to ion-nav and expect the URL to update. This fits use cases where you could have a modal, which needs its own sub-navigation, without making it tied to the apps URL.

note

ion-nav is not meant to be used for routing. Instead, use ion-router for routing.

Using NavLink

NavLink is a simplified API when interacting with Nav. Developers can customize the component, pass along component properties, modify the direction of the route animation or define a custom animation when navigating.

Interfaces

NavCustomEvent

While not required, this interface can be used in place of the CustomEvent interface for stronger typing with Ionic events emitted from this component.

interface NavCustomEvent extends CustomEvent {
  target: HTMLIonNavElement;
}

Properties

animated

Description	If true, the nav should animate the transition of components.
Attribute	animated
Type	boolean
Default	true

animation

Description	By default ion-nav animates transition between pages based in the mode (ios or material design). However, this property allows to create custom transition using AnimationBuilder functions.
Attribute	undefined
Type	((baseEl: any, opts?: any) => Animation) ｜ undefined
Default	undefined

root

Description	Root NavComponent to load
Attribute	root
Type	Function ｜ HTMLElement ｜ ViewController ｜ null ｜ string ｜ undefined
Default	undefined

rootParams

Description	Any parameters for the root component
Attribute	undefined
Type	undefined ｜ { [key: string]: any; }
Default	undefined

swipeGesture

Description	If the nav component should allow for swipe-to-go-back.
Attribute	swipe-gesture
Type	boolean ｜ undefined
Default	undefined

Events

Name	Description
ionNavDidChange	Event fired when the nav has changed components
ionNavWillChange	Event fired when the nav will change components

Methods

canGoBack

Description	Returns true if the current view can go back.
Signature	canGoBack(view?: ViewController) => Promise<boolean>

getActive

Description	Get the active view.
Signature	getActive() => Promise<ViewController ｜ undefined>

getByIndex

Description	Get the view at the specified index.
Signature	getByIndex(index: number) => Promise<ViewController ｜ undefined>

getPrevious

Description	Get the previous view.
Signature	getPrevious(view?: ViewController) => Promise<ViewController ｜ undefined>

insert

Description	Inserts a component into the navigation stack at the specified index. This is useful to add a component at any point in the navigation stack.
Signature	insert<T extends NavComponent>(insertIndex: number, component: T, componentProps?: ComponentProps<T> ｜ null, opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

insertPages

Description	Inserts an array of components into the navigation stack at the specified index. The last component in the array will become instantiated as a view, and animate in to become the active view.
Signature	insertPages(insertIndex: number, insertComponents: NavComponent[] ｜ NavComponentWithProps[], opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

pop

Description	Pop a component off of the navigation stack. Navigates back from the current component.
Signature	pop(opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

popTo

Description	Pop to a specific index in the navigation stack.
Signature	popTo(indexOrViewCtrl: number ｜ ViewController, opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

popToRoot

Description	Navigate back to the root of the stack, no matter how far back that is.
Signature	popToRoot(opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

push

Description	Push a new component onto the current navigation stack. Pass any additional information along as an object. This additional information is accessible through NavParams.
Signature	push<T extends NavComponent>(component: T, componentProps?: ComponentProps<T> ｜ null, opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

removeIndex

Description	Removes a component from the navigation stack at the specified index.
Signature	removeIndex(startIndex: number, removeCount?: number, opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

setPages

Description	Set the views of the current navigation stack and navigate to the last view. By default animations are disabled, but they can be enabled by passing options to the navigation controller. Navigation parameters can also be passed to the individual pages in the array.
Signature	setPages(views: NavComponent[] ｜ NavComponentWithProps[], opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

setRoot

Description	Set the root for the current navigation stack to a component.
Signature	setRoot<T extends NavComponent>(component: T, componentProps?: ComponentProps<T> ｜ null, opts?: NavOptions ｜ null, done?: TransitionDoneFn) => Promise<boolean>

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