TreeChanges | @uirouter/angular
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Interface TreeChanges

TreeChanges encapsulates the various Paths that are involved in a Transition.

Get a TreeChanges object using Transition.treeChanges

A UI-Router Transition is from one Path in a State Tree to another Path. For a given Transition, this object stores the "to" and "from" paths, as well as subsets of those: the "retained", "exiting" and "entering" paths.

Each path in TreeChanges is an array of PathNode objects. Each PathNode in the array corresponds to a portion of a nested state.

For example, if you had a nested state named foo.bar.baz, it would have three portions, foo, bar, baz. If you transitioned to foo.bar.baz and inspected the TreeChanges.to Path, you would find a node in the array for each portion: foo, bar, and baz.


todo

show visual state tree

Hierarchy

  • TreeChanges

Indexable

[key: string]: PathNode[]

TreeChanges encapsulates the various Paths that are involved in a Transition.

Get a TreeChanges object using Transition.treeChanges

A UI-Router Transition is from one Path in a State Tree to another Path. For a given Transition, this object stores the "to" and "from" paths, as well as subsets of those: the "retained", "exiting" and "entering" paths.

Each path in TreeChanges is an array of PathNode objects. Each PathNode in the array corresponds to a portion of a nested state.

For example, if you had a nested state named foo.bar.baz, it would have three portions, foo, bar, baz. If you transitioned to foo.bar.baz and inspected the TreeChanges.to Path, you would find a node in the array for each portion: foo, bar, and baz.


nodoc

Index

Properties

entering: PathNode[]

The path of nodes that the transition is entering.

The path of nodes that the transition is entering.

After the Transition is successful, these nodes will be active. Because they are entering, they have their resolves fetched, onEnter hooks run, and their views (component(s) or controller(s)+template(s)) refreshed.

Note that a state that is reloaded (due to parameter values changing, or reload: true) may be in both the exiting and entering paths.

exiting: PathNode[]

The path of previously active nodes that the transition is exiting.

The path of previously active nodes that the transition is exiting.

After the Transition is successful, these nodes are no longer active.

Note that a state that is being reloaded (due to parameter values changing, or reload: true) may be in both the exiting and entering paths.

from: PathNode[]

The path of nodes in the state tree that the transition is coming from

The path of nodes in the state tree that the transition is coming from

retained: PathNode[]

The path of active nodes that the transition is retaining.

The path of active nodes that the transition is retaining.

These nodes are neither exited, nor entered. Before and after the transition is successful, these nodes are active.

to: PathNode[]

The path of nodes in the state tree that the transition is going to

The path of nodes in the state tree that the transition is going to

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