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transition.transition-1.html
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---
---
<!doctype html>
<html class="default no-js">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Transition | @uirouter/angular</title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="../assets/css/main.css">
<link rel="stylesheet" href="../assets/css/uirouter.css">
<script src="../assets/js/modernizr.js"></script>
<script src="../assets/js/reset.js"></script>
</head>
<body>
<header>
<div class="tsd-page-toolbar">
<div class="container">
<div class="table-wrap">
<div class="table-cell" id="tsd-search" data-index="../assets/js/search.js" data-base="..">
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<label for="tsd-search-field" class="tsd-widget search no-caption">Search</label>
<input id="tsd-search-field" type="text" />
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<li class="state loading">Preparing search index...</li>
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</ul>
<a href="../index.html" class="title">@uirouter/angular</a>
</div>
<div class="table-cell" id="tsd-widgets">
<div id="tsd-filter">
<a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a>
<div class="tsd-filter-group">
<!--
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</ul>
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<input type="checkbox" id="tsd-filter-inherited" checked />
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<div class="tsd-page-title">
<div class="container">
<ul class="tsd-breadcrumb">
<li>
<a href="../index.html">@uirouter/angular</a>
</li>
<li>
<a href="../modules/transition.html">transition</a>
</li>
<li>
<a href="transition.transition-1.html">Transition</a>
</li>
</ul>
<h1>Class Transition</h1>
</div>
</div>
</header>
<div class="container container-main">
<div class="row">
<div class="col-8 col-content">
<section class="tsd-panel tsd-comment">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Represents a transition between two states.</p>
</div>
<p>When navigating to a state, we are transitioning <strong>from</strong> the current state <strong>to</strong> the new state.</p>
<p>This object contains all contextual information about the to/from states, parameters, resolves.
It has information about all states being entered and exited as a result of the transition.</p>
</div>
</section>
<section class="tsd-panel tsd-hierarchy">
<h3>Hierarchy</h3>
<ul class="tsd-hierarchy">
<li>
<span class="target">Transition</span>
</li>
</ul>
</section>
<section class="tsd-panel">
<h3>Implements</h3>
<ul class="tsd-hierarchy">
<li><a href="../interfaces/transition.ihookregistry.html" class="tsd-signature-type">IHookRegistry</a></li>
</ul>
</section>
<section class="tsd-panel-group tsd-index-group">
<h2>Index</h2>
<section class="tsd-panel tsd-index-panel">
<div class="tsd-index-content">
<section class="tsd-index-section tsd-is-external">
<h3>Constructors</h3>
<ul class="tsd-index-list">
<li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-external"><a href="transition.transition-1.html#constructor" class="tsd-kind-icon">constructor</a></li>
</ul>
</section>
<section class="tsd-index-section ">
<h3>Properties</h3>
<ul class="tsd-index-list">
<li class="tsd-kind-property tsd-parent-kind-class"><a href="transition.transition-1.html#_id" class="tsd-kind-icon">$id</a></li>
<li class="tsd-kind-property tsd-parent-kind-class"><a href="transition.transition-1.html#promise" class="tsd-kind-icon">promise</a></li>
<li class="tsd-kind-property tsd-parent-kind-class"><a href="transition.transition-1.html#router" class="tsd-kind-icon">router</a></li>
<li class="tsd-kind-property tsd-parent-kind-class"><a href="transition.transition-1.html#success" class="tsd-kind-icon">success</a></li>
</ul>
</section>
<section class="tsd-index-section ">
<h3>Methods</h3>
<ul class="tsd-index-list">
<li class="tsd-kind-method tsd-parent-kind-class tsd-is-external"><a href="transition.transition-1.html#_from" class="tsd-kind-icon">$from</a></li>
<li class="tsd-kind-method tsd-parent-kind-class tsd-is-external"><a href="transition.transition-1.html#_to" class="tsd-kind-icon">$to</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#abort" class="tsd-kind-icon">abort</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#addresolvable" class="tsd-kind-icon">add<wbr>Resolvable</a></li>
<li class="tsd-kind-method tsd-parent-kind-class tsd-is-private"><a href="transition.transition-1.html#applyviewconfigs" class="tsd-kind-icon">apply<wbr>View<wbr>Configs</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#dynamic" class="tsd-kind-icon">dynamic</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#entering" class="tsd-kind-icon">entering</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#error" class="tsd-kind-icon">error</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#exiting" class="tsd-kind-icon">exiting</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#from" class="tsd-kind-icon">from</a></li>
<li class="tsd-kind-method tsd-parent-kind-class tsd-is-external"><a href="transition.transition-1.html#gethooks" class="tsd-kind-icon">get<wbr>Hooks</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#getresolvetokens" class="tsd-kind-icon">get<wbr>Resolve<wbr>Tokens</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#ignored" class="tsd-kind-icon">ignored</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#injector" class="tsd-kind-icon">injector</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#is" class="tsd-kind-icon">is</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#isactive" class="tsd-kind-icon">is<wbr>Active</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#onenter" class="tsd-kind-icon">on<wbr>Enter</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#onerror" class="tsd-kind-icon">on<wbr>Error</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#onexit" class="tsd-kind-icon">on<wbr>Exit</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#onfinish" class="tsd-kind-icon">on<wbr>Finish</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#onretain" class="tsd-kind-icon">on<wbr>Retain</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#onstart" class="tsd-kind-icon">on<wbr>Start</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#onsuccess" class="tsd-kind-icon">on<wbr>Success</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#options" class="tsd-kind-icon">options</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#originaltransition" class="tsd-kind-icon">original<wbr>Transition</a></li>
<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="transition.transition-1.html#params" class="tsd-kind-icon">params</a></li>
<li class="tsd-kind-method tsd-parent-kind-class tsd-has-type-parameter"><a href="transition.transition-1.html#paramschanged" class="tsd-kind-icon">params<wbr>Changed</a></li>
<li class="tsd-kind-method tsd-parent-kind-class tsd-is-external"><a href="transition.transition-1.html#redirect" class="tsd-kind-icon">redirect</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#redirectedfrom" class="tsd-kind-icon">redirected<wbr>From</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#retained" class="tsd-kind-icon">retained</a></li>
<li class="tsd-kind-method tsd-parent-kind-class tsd-is-external"><a href="transition.transition-1.html#run" class="tsd-kind-icon">run</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#targetstate" class="tsd-kind-icon">target<wbr>State</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#to" class="tsd-kind-icon">to</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#tostring" class="tsd-kind-icon">to<wbr>String</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#treechanges" class="tsd-kind-icon">tree<wbr>Changes</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#valid" class="tsd-kind-icon">valid</a></li>
<li class="tsd-kind-method tsd-parent-kind-class"><a href="transition.transition-1.html#views" class="tsd-kind-icon">views</a></li>
</ul>
</section>
</div>
</section>
</section>
<section class="tsd-panel-group tsd-member-group tsd-is-external">
<h2>Constructors</h2>
<section class="tsd-panel tsd-member tsd-kind-constructor tsd-parent-kind-class tsd-is-external">
<a name="constructor" class="tsd-anchor"></a>
<!--
<h3>constructor</h3>
-->
<ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class tsd-is-external">
<li class="tsd-signature tsd-kind-icon">new <wbr>Transition<span class="tsd-signature-symbol">(</span>fromPath<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">PathNode[]</span>, targetState<span class="tsd-signature-symbol">: </span><a href="state.targetstate.html" class="tsd-signature-type">TargetState</a>, router<span class="tsd-signature-symbol">: </span><a href="core.uirouter.html" class="tsd-signature-type">UIRouter</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="transition.transition-1.html" class="tsd-signature-type">Transition</a></li>
<li class="tsd-header">
<p> Creates a new Transition object. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Creates a new Transition object.</p>
</div>
<p>If the target state is not valid, an error is thrown.</p>
</div>
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameters">
<li>
<h5>fromPath <span class="tsd-signature-type">PathNode[]</span></h5>
: <div class="tsd-comment tsd-typography">
<div class="lead">
<p>The path of <a href="path.pathnode.html">PathNode</a>s from which the transition is leaving. The last node in the <code>fromPath</code>
encapsulates the "from state".</p>
</div>
</div>
</li>
<li>
<h5>targetState <a href="state.targetstate.html" class="tsd-signature-type">TargetState</a></h5>
: <div class="tsd-comment tsd-typography">
<div class="lead">
<p>The target state and parameters being transitioned to (also, the transition options)</p>
</div>
</div>
</li>
<li>
<h5>router <a href="core.uirouter.html" class="tsd-signature-type">UIRouter</a></h5>
: <div class="tsd-comment tsd-typography">
<div class="lead">
<p>The <a href="core.uirouter.html">UIRouter</a> instance</p>
</div>
</div>
</li>
</ul>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <a href="transition.transition-1.html" class="tsd-signature-type">Transition</a></h4>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:149</li>
</ul>
</aside> </li>
</ul>
</section>
</section>
<section class="tsd-panel-group tsd-member-group ">
<h2>Properties</h2>
<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class">
<a name="_id" class="tsd-anchor"></a>
<!--
<h3>$id</h3>
-->
<div class="tsd-signature tsd-kind-icon">$id<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span> <div class="tsd-header">
<p> A unique identifier for the transition. </p>
</div>
</div>
<div class="tsd-declaration">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>A unique identifier for the transition.</p>
</div>
<p>This is an auto incrementing integer, starting from <code>0</code>.</p>
</div>
</div>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:58</li>
</ul>
</aside>
</section>
<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class">
<a name="promise" class="tsd-anchor"></a>
<!--
<h3>promise</h3>
-->
<div class="tsd-signature tsd-kind-icon">promise<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol"> = this._deferred.promise</span> <div class="tsd-header">
<p> This promise is resolved or rejected based on the outcome of the Transition. </p>
</div>
</div>
<div class="tsd-declaration">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>This promise is resolved or rejected based on the outcome of the Transition.</p>
</div>
<p>When the transition is successful, the promise is resolved
When the transition is unsuccessful, the promise is rejected with the <a href="transition.rejection.html">Rejection</a> or javascript error</p>
</div>
</div>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:75</li>
</ul>
</aside>
</section>
<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class">
<a name="router" class="tsd-anchor"></a>
<!--
<h3>router</h3>
-->
<div class="tsd-signature tsd-kind-icon">router<span class="tsd-signature-symbol">:</span> <a href="core.uirouter.html" class="tsd-signature-type">UIRouter</a> <div class="tsd-header">
<p> A reference to the <a href="core.uirouter.html">UIRouter</a> instance </p>
</div>
</div>
<div class="tsd-declaration">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>A reference to the <a href="core.uirouter.html">UIRouter</a> instance</p>
</div>
<p>This reference can be used to access the router services, such as the <a href="state.stateservice.html">StateService</a></p>
</div>
</div>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:65</li>
</ul>
</aside>
</section>
<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class">
<a name="success" class="tsd-anchor"></a>
<!--
<h3>success</h3>
-->
<div class="tsd-signature tsd-kind-icon">success<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span> <div class="tsd-header">
<p> A boolean which indicates if the transition was successful </p>
</div>
</div>
<div class="tsd-declaration">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>A boolean which indicates if the transition was successful</p>
</div>
<p>After a successful transition, this value is set to true.
After an unsuccessful transition, this value is set to false.</p>
<p>The value will be undefined if the transition is not complete</p>
</div>
</div>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:84</li>
</ul>
</aside>
</section>
</section>
<section class="tsd-panel-group tsd-member-group ">
<h2>Methods</h2>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-external">
<a name="_from" class="tsd-anchor"></a>
<!--
<h3>$from</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-external">
<li class="tsd-signature tsd-kind-icon">$from<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="state.stateobject.html" class="tsd-signature-type">StateObject</a></li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <a href="state.stateobject.html" class="tsd-signature-type">StateObject</a></h4>
: <p>the internal from [State] object</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:194</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-external">
<a name="_to" class="tsd-anchor"></a>
<!--
<h3>$to</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-external">
<li class="tsd-signature tsd-kind-icon">$to<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="state.stateobject.html" class="tsd-signature-type">StateObject</a></li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <a href="state.stateobject.html" class="tsd-signature-type">StateObject</a></h4>
: <p>the internal to [State] object</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:203</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="abort" class="tsd-anchor"></a>
<!--
<h3>abort</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">abort<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
<li class="tsd-header">
<p> Aborts this transition </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Aborts this transition</p>
</div>
<p>Imperative API to abort a Transition.
This only applies to Transitions that are not yet complete.</p>
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:839</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="addresolvable" class="tsd-anchor"></a>
<!--
<h3>add<wbr>Resolvable</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">add<wbr>Resolvable<span class="tsd-signature-symbol">(</span>resolvable<span class="tsd-signature-symbol">: </span><a href="resolve.resolvable.html" class="tsd-signature-type">Resolvable</a><span class="tsd-signature-symbol"> | </span><a href="../interfaces/resolve.resolvableliteral.html" class="tsd-signature-type">ResolvableLiteral</a>, state<span class="tsd-signature-symbol">?: </span><a href="../modules/state.html#stateorname" class="tsd-signature-type">StateOrName</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
<li class="tsd-header">
<p> Dynamically adds a new <a href="resolve.resolvable.html">Resolvable</a> (i.e., <a href="../interfaces/state.statedeclaration.html#resolve">StateDeclaration.resolve</a>) to this transition. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Dynamically adds a new <a href="resolve.resolvable.html">Resolvable</a> (i.e., <a href="../interfaces/state.statedeclaration.html#resolve">StateDeclaration.resolve</a>) to this transition.</p>
</div>
<p>Allows a transition hook to dynamically add a Resolvable to this Transition.</p>
<p>Use the <a href="transition.transition-1.html#injector">Transition.injector</a> to retrieve the resolved data in subsequent hooks (<a href="../interfaces/core.uiinjector.html#get">UIInjector.get</a>).</p>
<p>If a <code>state</code> argument is provided, the Resolvable is processed when that state is being entered.
If no <code>state</code> is provided then the root state is used.
If the given <code>state</code> has already been entered, the Resolvable is processed when any child state is entered.
If no child states will be entered, the Resolvable is processed during the <code>onFinish</code> phase of the Transition.</p>
<p>The <code>state</code> argument also scopes the resolved data.
The resolved data is available from the injector for that <code>state</code> and any children states.</p>
<h4 id="example-">Example:</h4>
<pre><code class="language-js">transitionService.onBefore({}, transition => {
transition.addResolvable({
<span class="hljs-attr">token</span>: <span class="hljs-string">'myResolve'</span>,
<span class="hljs-attr">deps</span>: [<span class="hljs-string">'MyService'</span>],
<span class="hljs-attr">resolveFn</span>: <span class="hljs-function"><span class="hljs-params">myService</span> =></span> myService.getData()
});
});</code></pre>
</div>
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameters">
<li>
<h5>resolvable <a href="resolve.resolvable.html" class="tsd-signature-type">Resolvable</a><span class="tsd-signature-symbol"> | </span><a href="../interfaces/resolve.resolvableliteral.html" class="tsd-signature-type">ResolvableLiteral</a></h5>
: <div class="tsd-comment tsd-typography">
<p>a <a href="../interfaces/resolve.resolvableliteral.html">ResolvableLiteral</a> object (or a <a href="resolve.resolvable.html">Resolvable</a>)</p>
</div>
</li>
<li>
<h5>state: <span class="tsd-flag ts-flagDefault value">Default value</span> <a href="../modules/state.html#stateorname" class="tsd-signature-type">StateOrName</a><span class="tsd-signature-symbol"> = ""</span></h5>
: <div class="tsd-comment tsd-typography">
<p>the state in the "to path" which should receive the new resolve (otherwise, the root state)</p>
</div>
</li>
</ul>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:493</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-private">
<a name="applyviewconfigs" class="tsd-anchor"></a>
<!--
<h3><span class="tsd-flag ts-flagPrivate">Private</span> apply<wbr>View<wbr>Configs</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-private">
<li class="tsd-signature tsd-kind-icon">apply<wbr>View<wbr>Configs<span class="tsd-signature-symbol">(</span>router<span class="tsd-signature-symbol">: </span><a href="core.uirouter.html" class="tsd-signature-type">UIRouter</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameters">
<li>
<h5>router <a href="core.uirouter.html" class="tsd-signature-type">UIRouter</a></h5>
</li>
</ul>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:184</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="dynamic" class="tsd-anchor"></a>
<!--
<h3>dynamic</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">dynamic<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
<li class="tsd-header">
<p> Returns true if the transition is dynamic. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Returns true if the transition is dynamic.</p>
</div>
<p>A transition is dynamic if no states are entered nor exited, but at least one dynamic parameter has changed.</p>
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
: <p>true if the Transition is dynamic</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:728</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="entering" class="tsd-anchor"></a>
<!--
<h3>entering</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">entering<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">StateDeclaration[]</span></li>
<li class="tsd-header">
<p> Gets the states being entered. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Gets the states being entered.</p>
</div>
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">StateDeclaration[]</span></h4>
: <p>an array of states that will be entered during this transition.</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:569</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="error" class="tsd-anchor"></a>
<!--
<h3>error</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">error<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="transition.rejection.html" class="tsd-signature-type">Rejection</a></li>
<li class="tsd-header">
<p> The Transition error reason. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>The Transition error reason.</p>
</div>
<p>If the transition is invalid (and could not be run), returns the reason the transition is invalid.
If the transition was valid and ran, but was not successful, returns the reason the transition failed.</p>
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <a href="transition.rejection.html" class="tsd-signature-type">Rejection</a></h4>
: <p>a transition rejection explaining why the transition is invalid, or the reason the transition failed.</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:854</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="exiting" class="tsd-anchor"></a>
<!--
<h3>exiting</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">exiting<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">StateDeclaration[]</span></li>
<li class="tsd-header">
<p> Gets the states being exited. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Gets the states being exited.</p>
</div>
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">StateDeclaration[]</span></h4>
: <p>an array of states that will be exited during this transition.</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:578</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="from" class="tsd-anchor"></a>
<!--
<h3>from</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">from<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../interfaces/state.statedeclaration.html" class="tsd-signature-type">StateDeclaration</a></li>
<li class="tsd-header">
<p> Returns the "from state" </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Returns the "from state"</p>
</div>
<p>Returns the state that the transition is coming <em>from</em>.</p>
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <a href="../interfaces/state.statedeclaration.html" class="tsd-signature-type">StateDeclaration</a></h4>
: <p>The state declaration object for the Transition's ("from state").</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:214</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-external">
<a name="gethooks" class="tsd-anchor"></a>
<!--
<h3>get<wbr>Hooks</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-external">
<li class="tsd-signature tsd-kind-icon">get<wbr>Hooks<span class="tsd-signature-symbol">(</span>hookName<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">RegisteredHook[]</span></li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
</div>
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameters">
<li>
<h5>hookName <span class="tsd-signature-type">string</span></h5>
</li>
</ul>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">RegisteredHook[]</span></h4>
</div>
<hr>
<aside class="tsd-sources">
<p>Implementation of <a href="../interfaces/transition.ihookregistry.html">IHookRegistry</a>.<a href="../interfaces/transition.ihookregistry.html#gethooks">getHooks</a></p>
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:147</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="getresolvetokens" class="tsd-anchor"></a>
<!--
<h3>get<wbr>Resolve<wbr>Tokens</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">get<wbr>Resolve<wbr>Tokens<span class="tsd-signature-symbol">(</span>pathname<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">any[]</span></li>
<li class="tsd-header">
<p> Gets all available resolve tokens (keys) </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Gets all available resolve tokens (keys)</p>
</div>
<p>This method can be used in conjunction with <a href="transition.transition-1.html#injector">injector</a> to inspect the resolve values
available to the Transition.</p>
<p>This returns all the tokens defined on <a href="../interfaces/state.statedeclaration.html#resolve">StateDeclaration.resolve</a> blocks, for the states
in the Transition's <a href="../interfaces/transition.treechanges.html#to">TreeChanges.to</a> path.</p>
<h4 id="example-">Example:</h4>
<p>This example logs all resolve values</p>
<pre><code class="language-js"><span class="hljs-keyword">let</span> tokens = trans.getResolveTokens();
tokens.forEach(<span class="hljs-function"><span class="hljs-params">token</span> =></span> <span class="hljs-built_in">console</span>.log(token + <span class="hljs-string">" = "</span> + trans.injector().get(token)));</code></pre>
<h4 id="example-">Example:</h4>
<p>This example creates promises for each resolve value.
This triggers fetches of resolves (if any have not yet been fetched).
When all promises have all settled, it logs the resolve values.</p>
<pre><code class="language-js"><span class="hljs-keyword">let</span> tokens = trans.getResolveTokens();
<span class="hljs-keyword">let</span> promise = tokens.map(<span class="hljs-function"><span class="hljs-params">token</span> =></span> trans.injector().getAsync(token));
<span class="hljs-built_in">Promise</span>.all(promises).then(<span class="hljs-function"><span class="hljs-params">values</span> =></span> <span class="hljs-built_in">console</span>.log(<span class="hljs-string">"Resolved values: "</span> + values));</code></pre>
<p>Note: Angular 1 users whould use <code>$q.all()</code></p>
</div>
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameters">
<li>
<h5>pathname: <span class="tsd-flag ts-flagDefault value">Default value</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = "to"</span></h5>
: <div class="tsd-comment tsd-typography">
<p>resolve context's path name (e.g., <code>to</code> or <code>from</code>)</p>
</div>
</li>
</ul>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">any[]</span></h4>
: <p>an array of resolve tokens (keys)</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:460</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="ignored" class="tsd-anchor"></a>
<!--
<h3>ignored</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">ignored<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
<li class="tsd-header">
<p> Returns true if the transition is ignored. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Returns true if the transition is ignored.</p>
</div>
<p>A transition is ignored if no states are entered nor exited, and no parameter values have changed.</p>
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
: <p>true if the Transition is ignored.</p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:740</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="injector" class="tsd-anchor"></a>
<!--
<h3>injector</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">injector<span class="tsd-signature-symbol">(</span>state<span class="tsd-signature-symbol">?: </span><a href="../modules/state.html#stateorname" class="tsd-signature-type">StateOrName</a>, pathName<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../interfaces/core.uiinjector.html" class="tsd-signature-type">UIInjector</a></li>
<li class="tsd-header">
<p> Creates a <a href="../interfaces/core.uiinjector.html">UIInjector</a> Dependency Injector </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Creates a <a href="../interfaces/core.uiinjector.html">UIInjector</a> Dependency Injector</p>
</div>
<p>Returns a Dependency Injector for the Transition's target state (to state).
The injector provides resolve values which the target state has access to.</p>
<p>The <code>UIInjector</code> can also provide values from the native root/global injector (ng1/ng2).</p>
<h4 id="example-">Example:</h4>
<pre><code class="language-js">.onEnter({ <span class="hljs-attr">entering</span>: <span class="hljs-string">'myState'</span> }, trans => {
<span class="hljs-keyword">var</span> myResolveValue = trans.injector().get(<span class="hljs-string">'myResolve'</span>);
<span class="hljs-comment">// Inject a global service from the global/native injector (if it exists)</span>
<span class="hljs-keyword">var</span> MyService = trans.injector().get(<span class="hljs-string">'MyService'</span>);
})</code></pre>
<p>In some cases (such as <code>onBefore</code>), you may need access to some resolve data but it has not yet been fetched.
You can use <a href="../interfaces/core.uiinjector.html#getasync">UIInjector.getAsync</a> to get a promise for the data.</p>
<h4 id="example-">Example:</h4>
<pre><code class="language-js">.onBefore({}, trans => {
<span class="hljs-keyword">return</span> trans.injector().getAsync(<span class="hljs-string">'myResolve'</span>).then(<span class="hljs-function"><span class="hljs-params">myResolveValue</span> =></span>
<span class="hljs-keyword">return</span> myResolveValue !== <span class="hljs-string">'ABORT'</span>;
});
});</code></pre>
<p>If a <code>state</code> is provided, the injector that is returned will be limited to resolve values that the provided state has access to.
This can be useful if both a parent state <code>foo</code> and a child state <code>foo.bar</code> have both defined a resolve such as <code>data</code>.</p>
<h4 id="example-">Example:</h4>
<pre><code class="language-js">.onEnter({ <span class="hljs-attr">to</span>: <span class="hljs-string">'foo.bar'</span> }, trans => {
<span class="hljs-comment">// returns result of `foo` state's `myResolve` resolve</span>
<span class="hljs-comment">// even though `foo.bar` also has a `myResolve` resolve</span>
<span class="hljs-keyword">var</span> fooData = trans.injector(<span class="hljs-string">'foo'</span>).get(<span class="hljs-string">'myResolve'</span>);
});</code></pre>
<p>If you need resolve data from the exiting states, pass <code>'from'</code> as <code>pathName</code>.
The resolve data from the <code>from</code> path will be returned.</p>
<h4 id="example-">Example:</h4>
<pre><code class="language-js">.onExit({ <span class="hljs-attr">exiting</span>: <span class="hljs-string">'foo.bar'</span> }, trans => {
<span class="hljs-comment">// Gets the resolve value of `myResolve` from the state being exited</span>
<span class="hljs-keyword">var</span> fooData = trans.injector(<span class="hljs-literal">null</span>, <span class="hljs-string">'from'</span>).get(<span class="hljs-string">'myResolve'</span>);
});</code></pre>
</div>
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameters">
<li>
<h5>state: <span class="tsd-flag ts-flagOptional">Optional</span> <a href="../modules/state.html#stateorname" class="tsd-signature-type">StateOrName</a></h5>
: <div class="tsd-comment tsd-typography">
<p>Limits the resolves provided to only the resolves the provided state has access to.</p>
</div>
</li>
<li>
<h5>pathName: <span class="tsd-flag ts-flagDefault value">Default value</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = "to"</span></h5>
: <div class="tsd-comment tsd-typography">
<p>Default: <code>'to'</code>: Chooses the path for which to create the injector. Use this to access resolves for <code>exiting</code> states.</p>
</div>
</li>
</ul>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <a href="../interfaces/core.uiinjector.html" class="tsd-signature-type">UIInjector</a></h4>
: <p>a <a href="../interfaces/core.uiinjector.html">UIInjector</a></p>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:422</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="is" class="tsd-anchor"></a>
<!--
<h3>is</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">is<span class="tsd-signature-symbol">(</span>compare<span class="tsd-signature-symbol">: </span><a href="transition.transition-1.html" class="tsd-signature-type">Transition</a><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
<li class="tsd-header">
<p> Determines whether two transitions are equivalent. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Determines whether two transitions are equivalent.</p>
</div>
<dl class="tsd-comment-tags">
<dt>deprecated</dt>
<dd></dd>
</dl>
</div>
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameters">
<li>
<h5>compare <a href="transition.transition-1.html" class="tsd-signature-type">Transition</a><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">object</span></h5>
</li>
</ul>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:244</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="isactive" class="tsd-anchor"></a>
<!--
<h3>is<wbr>Active</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">is<wbr>Active<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
<li class="tsd-header">
<p> Checks if this transition is currently active/running. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Checks if this transition is currently active/running.</p>
</div>
</div>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4>
</div>
<hr>
<aside class="tsd-sources">
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:822</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="onenter" class="tsd-anchor"></a>
<!--
<h3>on<wbr>Enter</h3>
-->
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class">
<li class="tsd-signature tsd-kind-icon">on<wbr>Enter<span class="tsd-signature-symbol">(</span>criteria<span class="tsd-signature-symbol">: </span><a href="../interfaces/transition.hookmatchcriteria.html" class="tsd-signature-type">HookMatchCriteria</a>, callback<span class="tsd-signature-symbol">: </span><a href="../interfaces/transition.transitionstatehookfn.html" class="tsd-signature-type">TransitionStateHookFn</a>, options<span class="tsd-signature-symbol">?: </span><a href="../interfaces/transition.hookregoptions.html" class="tsd-signature-type">HookRegOptions</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Function</span></li>
<li class="tsd-header">
<p> Registers a <a href="../interfaces/transition.transitionstatehookfn.html">TransitionStateHookFn</a>, called when a specific state is entered. </p>
</li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<div class="lead">
<p>Registers a <a href="../interfaces/transition.transitionstatehookfn.html">TransitionStateHookFn</a>, called when a specific state is entered.</p>
</div>
<p>Registers a lifecycle hook, which is invoked (during a transition) when a specific state is being entered.</p>
<p>Since this hook is run only when the specific state is being <em>entered</em>, it can be useful for
performing tasks when entering a submodule/feature area such as initializing a stateful service,
or for guarding access to a submodule/feature area.</p>
<p>See <a href="../interfaces/transition.transitionstatehookfn.html">TransitionStateHookFn</a> for the signature of the function.</p>
<p>The <a href="../interfaces/transition.hookmatchcriteria.html">HookMatchCriteria</a> is used to determine which Transitions the hook should be invoked for.
<code>onEnter</code> hooks generally specify <code>{ entering: 'somestate' }</code>.
To match all Transitions, use an empty criteria object <code>{}</code>.</p>
<h3 id="lifecycle">Lifecycle</h3>
<p><code>onEnter</code> hooks are invoked when the Transition is entering a state.
States are entered after the <code>onRetain</code> phase is complete.
If more than one state is being entered, the parent state is entered first.
The registered <code>onEnter</code> hooks for a state are invoked in priority order.</p>
<p>Note: A built-in <code>onEnter</code> hook with high priority is used to fetch lazy resolve data for states being entered.</p>
<h3 id="return-value">Return value</h3>
<p>The hook's return value can be used to pause, cancel, or redirect the current Transition.
See <a href="../modules/transition.html#hookresult">HookResult</a> for more information.</p>
<h3 id="inside-a-state-declaration">Inside a state declaration</h3>
<p>Instead of registering <code>onEnter</code> hooks using the <a href="transition.transitionservice.html">TransitionService</a>, you may define an <code>onEnter</code> hook
directly on a state declaration (see: <a href="../interfaces/state.statedeclaration.html#onenter">StateDeclaration.onEnter</a>).</p>
<h3 id="examples">Examples</h3>
<h4 id="audit-log">Audit Log</h4>
<p>This example uses a service to log that a user has entered the admin section of an app.
This assumes that there are substates of the "admin" state, such as "admin.users", "admin.pages", etc.</p>
<dl class="tsd-comment-tags">
<dt>example</dt>
<dd><pre><code>
<span class="hljs-variable">$transitions</span>.<span class="hljs-keyword">on</span>Enter({ entering: 'admin' }, function(transition, <span class="hljs-keyword">state</span>) {
var AuditService = trans.injector().get('AuditService');
AuditService.<span class="hljs-keyword">log</span>(<span class="hljs-string">"Entered "</span> + <span class="hljs-keyword">state</span>.name + <span class="hljs-string">" module while transitioning to "</span> + transition.<span class="hljs-keyword">to</span>().name);
}</code></pre><h4 id="audit-log-inside-a-state-declaration-">Audit Log (inside a state declaration)</h4>
<p>The <code>onEnter</code> inside this state declaration is syntactic sugar for the previous Audit Log example.</p>
<pre><code>{
<span class="hljs-type">name</span>: <span class="hljs-string">'admin'</span>,
component: <span class="hljs-string">'admin'</span>,
onEnter: <span class="hljs-keyword">function</span>($transition$<span class="php">, $state$) {
<span class="hljs-keyword">var</span> AuditService = $transition$</span>.injector().<span class="hljs-keyword">get</span>(<span class="hljs-string">'AuditService'</span>);
AuditService.log("Entered " + state.name + " module while transitioning to " + transition.<span class="hljs-keyword">to</span>().name);
}
}</code></pre><p>Note: A state declaration's <code>onEnter</code> function is injected for Angular 1 only.</p>
</dd>
</dl>
</div>
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameters">
<li>
<h5>criteria <a href="../interfaces/transition.hookmatchcriteria.html" class="tsd-signature-type">HookMatchCriteria</a></h5>
</li>
<li>
<h5>callback <a href="../interfaces/transition.transitionstatehookfn.html" class="tsd-signature-type">TransitionStateHookFn</a></h5>
</li>
<li>
<h5>options: <span class="tsd-flag ts-flagOptional">Optional</span> <a href="../interfaces/transition.hookregoptions.html" class="tsd-signature-type">HookRegOptions</a></h5>
</li>
</ul>
<div class="tsd-returns">
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Function</span></h4>
: <p>a function which deregisters the hook.</p>
</div>
<hr>
<aside class="tsd-sources">
<p>Implementation of <a href="../interfaces/transition.ihookregistry.html">IHookRegistry</a>.<a href="../interfaces/transition.ihookregistry.html#onenter">onEnter</a></p>
<ul>
<li>Defined in ui-router-core/src/transition/transition.ts:119</li>
</ul>
</aside> </li>
</ul>
</section>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class">
<a name="onerror" class="tsd-anchor"></a>
<!--
<h3>on<wbr>Error</h3>