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<!DOCTYPE html><html class="default" lang="en" data-base=".."><head><meta charset="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>State | backtest-kit</title><meta name="description" content="Documentation for backtest-kit"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="../assets/style.css"/><link rel="stylesheet" href="../assets/highlight.css"/><script defer src="../assets/main.js"></script><script async src="../assets/icons.js" id="tsd-icons-script"></script><script async src="../assets/search.js" id="tsd-search-script"></script><script async src="../assets/navigation.js" id="tsd-nav-script"></script><script async src="../assets/hierarchy.js" id="tsd-hierarchy-script"></script></head><body><script>document.documentElement.dataset.theme = localStorage.getItem("tsd-theme") || "os";document.body.style.display="none";setTimeout(() => app?app.showPage():document.body.style.removeProperty("display"),500)</script><header class="tsd-page-toolbar"><div class="tsd-toolbar-contents container"><div class="table-cell" id="tsd-search"><div class="field"><label for="tsd-search-field" class="tsd-widget tsd-toolbar-icon search no-caption"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-search"></use></svg></label><input type="text" id="tsd-search-field" aria-label="Search"/></div><div class="field"><div id="tsd-toolbar-links"></div></div><ul class="results"><li class="state loading">Preparing search index...</li><li class="state failure">The search index is not available</li></ul><a href="../index.html" class="title">backtest-kit</a></div><div class="table-cell" id="tsd-widgets"><a href="#" class="tsd-widget tsd-toolbar-icon menu no-caption" data-toggle="menu" aria-label="Menu"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-menu"></use></svg></a></div></div></header><div class="container container-main"><div class="col-content"><div class="tsd-page-title"><ul class="tsd-breadcrumb"><li><a href="../modules.html">backtest-kit</a></li><li><a href="../modules/types.html">types</a></li><li><a href="types.State.html">State</a></li></ul><h1>Class State&lt;Data&gt;</h1></div><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><p>Per-signal mutable state scoped by state name.</p>
<p>Works like a value bound to the CURRENT pending or scheduled signal:
<code>new State({ name: &quot;trade&quot;, initialData: { peakPercent: 0 } }).setState(...)</code>
inside any strategy lifecycle callback. No context is passed through
arguments — every instance method resolves the signal, mode and timestamp
itself from <code>backtest.methodContextService</code> / <code>backtest.executionContextService</code>,
so the class is unavailable outside async_hooks lifecycle callbacks by design.</p>
<p><code>initialData</code> provides the default value when no state exists yet — a plain
object or a sync/async factory returning one. The factory receives an
<a href="../types/types.InitialDispatchContract.html" class="tsd-kind-type-alias">InitialDispatchContract</a> payload with the resolved signal context
(signal row, active/schedule type, currentPrice, mode, logical time), so the
initial state can be derived from the actual entry; it yields a fresh object
per access, so the default is never shared by reference.</p>
<p>Look-ahead bias protection: a read at a <code>when</code> earlier than the stored <code>when</code>
yields <code>initialData</code>, and a write with a smaller <code>when</code> overwrites (a
restarted backtest resets live-written state).</p>
<p>Requires an explicit <code>State.enable()</code> call before use — the subscription it
creates disposes per-signal instances when the signal is cancelled or
closed, preventing stale instances from accumulating.</p>
</div><div class="tsd-comment tsd-typography"><div class="tsd-tag-example"><h4 class="tsd-anchor-link"><a id="example" class="tsd-anchor"></a>Example<a href="#example" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><pre><code class="typescript"><span class="hl-5">State</span><span class="hl-2">.</span><span class="hl-1">enable</span><span class="hl-2">();</span><br/><br/><span class="hl-4">const</span><span class="hl-2"> </span><span class="hl-7">state</span><span class="hl-2"> = </span><span class="hl-4">new</span><span class="hl-2"> </span><span class="hl-1">State</span><span class="hl-2">({</span><br/><span class="hl-2"> </span><span class="hl-5">name:</span><span class="hl-2"> </span><span class="hl-3">&quot;trade&quot;</span><span class="hl-2">,</span><br/><span class="hl-2"> </span><span class="hl-1">initialData</span><span class="hl-5">:</span><span class="hl-2"> () </span><span class="hl-4">=&gt;</span><span class="hl-2"> ({ </span><span class="hl-5">peakPercent:</span><span class="hl-2"> </span><span class="hl-8">0</span><span class="hl-2">, </span><span class="hl-5">minutesOpen:</span><span class="hl-2"> </span><span class="hl-8">0</span><span class="hl-2"> }),</span><br/><span class="hl-2">});</span><br/><br/><span class="hl-0">// inside a strategy callback:</span><br/><span class="hl-6">await</span><span class="hl-2"> </span><span class="hl-5">state</span><span class="hl-2">.</span><span class="hl-1">setState</span><span class="hl-2">((</span><span class="hl-5">prev</span><span class="hl-2">) </span><span class="hl-4">=&gt;</span><span class="hl-2"> ({</span><br/><span class="hl-2"> </span><span class="hl-5">peakPercent:</span><span class="hl-2"> </span><span class="hl-5">Math</span><span class="hl-2">.</span><span class="hl-1">max</span><span class="hl-2">(</span><span class="hl-5">prev</span><span class="hl-2">.</span><span class="hl-5">peakPercent</span><span class="hl-2">, </span><span class="hl-5">currentPercent</span><span class="hl-2">),</span><br/><span class="hl-2"> </span><span class="hl-5">minutesOpen:</span><span class="hl-2"> </span><span class="hl-5">prev</span><span class="hl-2">.</span><span class="hl-5">minutesOpen</span><span class="hl-2"> + </span><span class="hl-8">1</span><span class="hl-2">,</span><br/><span class="hl-2">}));</span><br/><span class="hl-4">const</span><span class="hl-2"> { </span><span class="hl-7">peakPercent</span><span class="hl-2"> } = </span><span class="hl-6">await</span><span class="hl-2"> </span><span class="hl-5">state</span><span class="hl-2">.</span><span class="hl-1">getState</span><span class="hl-2">();</span>
</code><button type="button">Copy</button></pre>
</div></div></section> <section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="data" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">Data</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-type">object</span> = <span class="tsd-signature-type">object</span></span></li></ul></section> <aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/tripolskypetr/backtest-kit/blob/45946781ee6619003b5512335c666c5e47a7af30/types.d.ts#L32306">types.d.ts:32306</a></li></ul></aside><section class="tsd-panel-group tsd-index-group"><section class="tsd-panel tsd-index-panel"><details class="tsd-index-content tsd-accordion" open><summary class="tsd-accordion-summary tsd-index-summary"><h5 class="tsd-index-heading uppercase" role="button" aria-expanded="false" tabIndex="0"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronSmall"></use></svg> Index</h5></summary><div class="tsd-accordion-details"><section class="tsd-index-section"><h3 class="tsd-index-heading">Constructors</h3><div class="tsd-index-list"><a href="types.State.html#constructor" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Constructor"><use href="../assets/icons.svg#icon-512"></use></svg><span>constructor</span></a>
</div></section><section class="tsd-index-section"><h3 class="tsd-index-heading">Properties</h3><div class="tsd-index-list"><a href="types.State.html#_getstate" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>_get<wbr/>State</span></a>
<a href="types.State.html#_setstate" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>_set<wbr/>State</span></a>
<a href="types.State.html#disable" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>disable</span></a>
<a href="types.State.html#enable" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>enable</span></a>
<a href="types.State.html#getstate" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>get<wbr/>State</span></a>
<a href="types.State.html#setstate" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Property"><use href="../assets/icons.svg#icon-1024"></use></svg><span>set<wbr/>State</span></a>
</div></section></div></details></section></section><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Constructors"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Constructors</h2></summary><section><section class="tsd-panel tsd-member"><a id="constructor" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>constructor</span><a href="#constructor" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class=""><div class="tsd-signature tsd-anchor-link"><a id="constructorstate" class="tsd-anchor"></a><span class="tsd-signature-keyword">new</span> <span class="tsd-kind-constructor-signature">State</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a> <span class="tsd-signature-keyword">extends</span> <span class="tsd-signature-type">object</span> <span class="tsd-signature-symbol">=</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">(</span><br/>    <span class="tsd-kind-parameter">params</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{</span> <span class="tsd-kind-property">initialData</span><span class="tsd-signature-symbol">:</span> <a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">InitialDataFn</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">;</span> <span class="tsd-kind-property">name</span><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><br/><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <a href="types.State.html" class="tsd-signature-type tsd-kind-class">State</a><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span><a href="#constructorstate" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></div><div class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="constructorstatedata" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">Data</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-type">object</span> = <span class="tsd-signature-type">object</span></span></li></ul></section><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">params</span>: <span class="tsd-signature-symbol">{</span> <span class="tsd-kind-property">initialData</span><span class="tsd-signature-symbol">:</span> <a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">InitialDataFn</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">;</span> <span class="tsd-kind-property">name</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span> <span class="tsd-signature-symbol">}</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <a href="types.State.html" class="tsd-signature-type tsd-kind-class">State</a><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/tripolskypetr/backtest-kit/blob/45946781ee6619003b5512335c666c5e47a7af30/types.d.ts#L32308">types.d.ts:32308</a></li></ul></aside></div></li></ul></section></section></details><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Properties"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Properties</h2></summary><section><section class="tsd-panel tsd-member"><a id="_getstate" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag">Static</code><span>_get<wbr/>State</span><a href="#_getstate" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">_getState</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a> <span class="tsd-signature-keyword">extends</span> <span class="tsd-signature-type">object</span> <span class="tsd-signature-symbol">=</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">(</span><br/>    <span class="tsd-kind-parameter">dto</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{</span><br/>        <span class="tsd-kind-property">backtest</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">bucketName</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">initialValue</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">signalId</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">when</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Date</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-signature-symbol">}</span><span class="tsd-signature-symbol">,</span><br/><span class="tsd-signature-symbol">)</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span></div><div class="tsd-comment tsd-typography"><p>Context-free read of the current state value for a signal.
Routes to StateBacktest or StateLive based on dto.backtest.</p>
</div><div class="tsd-type-declaration"><h4>Type declaration</h4><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature"><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a> <span class="tsd-signature-keyword">extends</span> <span class="tsd-signature-type">object</span> <span class="tsd-signature-symbol">=</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">(</span><br/>    <span class="tsd-kind-parameter">dto</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{</span><br/>        <span class="tsd-kind-property">backtest</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">bucketName</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">initialValue</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">signalId</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">when</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Date</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-signature-symbol">}</span><span class="tsd-signature-symbol">,</span><br/><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a class="tsd-anchor"></a><span class="tsd-kind-type-parameter">Value</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-type">object</span> = <span class="tsd-signature-type">object</span></span></li></ul></section><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">dto</span>: <span class="tsd-signature-symbol">{</span><br/>    <span class="tsd-kind-property">backtest</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-kind-property">bucketName</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-kind-property">initialValue</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-kind-property">signalId</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-kind-property">when</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Date</span><span class="tsd-signature-symbol">;</span><br/><span class="tsd-signature-symbol">}</span></span><ul class="tsd-parameters"><li class="tsd-parameter"><h5><span class="tsd-kind-property">backtest</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></h5><div class="tsd-comment tsd-typography"><p>Flag indicating if the context is backtest or live</p>
</div><div class="tsd-comment tsd-typography"></div></li><li class="tsd-parameter"><h5><span class="tsd-kind-property">bucketName</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span></h5><div class="tsd-comment tsd-typography"><p>State name</p>
</div><div class="tsd-comment tsd-typography"></div></li><li class="tsd-parameter"><h5><span class="tsd-kind-property">initialValue</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">object</span></h5><div class="tsd-comment tsd-typography"><p>Default value when no persisted state exists</p>
</div><div class="tsd-comment tsd-typography"></div></li><li class="tsd-parameter"><h5><span class="tsd-kind-property">signalId</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span></h5><div class="tsd-comment tsd-typography"><p>Signal identifier</p>
</div><div class="tsd-comment tsd-typography"></div></li><li class="tsd-parameter"><h5><span class="tsd-kind-property">when</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Date</span></h5><div class="tsd-comment tsd-typography"><p>Logical timestamp at which the read is happening (look-ahead guard)</p>
</div><div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span></h4><p>Current state value</p>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><div class="tsd-comment tsd-typography"><div class="tsd-tag-throws"><h4 class="tsd-anchor-link"><a id="throws" class="tsd-anchor"></a>Throws<a href="#throws" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>Error if State is not enabled</p>
</div></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/tripolskypetr/backtest-kit/blob/45946781ee6619003b5512335c666c5e47a7af30/types.d.ts#L32337">types.d.ts:32337</a></li></ul></aside></section><section class="tsd-panel tsd-member"><a id="_setstate" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag">Static</code><span>_set<wbr/>State</span><a href="#_setstate" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">_setState</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a> <span class="tsd-signature-keyword">extends</span> <span class="tsd-signature-type">object</span> <span class="tsd-signature-symbol">=</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">(</span><br/>    <span class="tsd-kind-parameter">dispatch</span><span class="tsd-signature-symbol">:</span> <a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">Dispatch</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">,</span><br/>    <span class="tsd-kind-parameter">dto</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{</span><br/>        <span class="tsd-kind-property">backtest</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">bucketName</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">initialValue</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">signalId</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">when</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Date</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-signature-symbol">}</span><span class="tsd-signature-symbol">,</span><br/><span class="tsd-signature-symbol">)</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span></div><div class="tsd-comment tsd-typography"><p>Context-free update of the state value for a signal.
Routes to StateBacktest or StateLive based on dto.backtest.</p>
</div><div class="tsd-type-declaration"><h4>Type declaration</h4><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature"><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a> <span class="tsd-signature-keyword">extends</span> <span class="tsd-signature-type">object</span> <span class="tsd-signature-symbol">=</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">(</span><br/>    <span class="tsd-kind-parameter">dispatch</span><span class="tsd-signature-symbol">:</span> <a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">Dispatch</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">,</span><br/>    <span class="tsd-kind-parameter">dto</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{</span><br/>        <span class="tsd-kind-property">backtest</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">bucketName</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">initialValue</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">signalId</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>        <span class="tsd-kind-property">when</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Date</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-signature-symbol">}</span><span class="tsd-signature-symbol">,</span><br/><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a class="tsd-anchor"></a><span class="tsd-kind-type-parameter">Value</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-type">object</span> = <span class="tsd-signature-type">object</span></span></li></ul></section><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">dispatch</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">Dispatch</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span></span><div class="tsd-comment tsd-typography"><p>New value or updater function receiving current value</p>
</div><div class="tsd-comment tsd-typography"></div></li><li><span><span class="tsd-kind-parameter">dto</span>: <span class="tsd-signature-symbol">{</span><br/>    <span class="tsd-kind-property">backtest</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-kind-property">bucketName</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-kind-property">initialValue</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-kind-property">signalId</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">;</span><br/>    <span class="tsd-kind-property">when</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Date</span><span class="tsd-signature-symbol">;</span><br/><span class="tsd-signature-symbol">}</span></span><ul class="tsd-parameters"><li class="tsd-parameter"><h5><span class="tsd-kind-property">backtest</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></h5><div class="tsd-comment tsd-typography"><p>Flag indicating if the context is backtest or live</p>
</div><div class="tsd-comment tsd-typography"></div></li><li class="tsd-parameter"><h5><span class="tsd-kind-property">bucketName</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span></h5><div class="tsd-comment tsd-typography"><p>State name</p>
</div><div class="tsd-comment tsd-typography"></div></li><li class="tsd-parameter"><h5><span class="tsd-kind-property">initialValue</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">object</span></h5><div class="tsd-comment tsd-typography"><p>Default value when no persisted state exists</p>
</div><div class="tsd-comment tsd-typography"></div></li><li class="tsd-parameter"><h5><span class="tsd-kind-property">signalId</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span></h5><div class="tsd-comment tsd-typography"><p>Signal identifier</p>
</div><div class="tsd-comment tsd-typography"></div></li><li class="tsd-parameter"><h5><span class="tsd-kind-property">when</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Date</span></h5><div class="tsd-comment tsd-typography"><p>Logical timestamp this value belongs to</p>
</div><div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="">Value</a><span class="tsd-signature-symbol">&gt;</span></h4><p>Updated state value</p>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><div class="tsd-comment tsd-typography"><div class="tsd-tag-throws"><h4 class="tsd-anchor-link"><a id="throws-1" class="tsd-anchor"></a>Throws<a href="#throws-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>Error if State is not enabled</p>
</div></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/tripolskypetr/backtest-kit/blob/45946781ee6619003b5512335c666c5e47a7af30/types.d.ts#L32356">types.d.ts:32356</a></li></ul></aside></section><section class="tsd-panel tsd-member"><a id="disable" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag">Static</code><span>disable</span><a href="#disable" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">disable</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">()</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-type">void</span></div><div class="tsd-comment tsd-typography"><p>Disables state storage by unsubscribing from signal lifecycle events.
Safe to call multiple times.</p>
</div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/tripolskypetr/backtest-kit/blob/45946781ee6619003b5512335c666c5e47a7af30/types.d.ts#L32325">types.d.ts:32325</a></li></ul></aside></section><section class="tsd-panel tsd-member"><a id="enable" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag">Static</code><span>enable</span><a href="#enable" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">enable</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">()</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">...</span><span class="tsd-kind-parameter">args</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">)</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-type">any</span> <span class="tsd-signature-symbol">&amp;</span> <span class="tsd-signature-type">ISingleshotClearable</span><span class="tsd-signature-symbol">&lt;</span><br/>    <span class="tsd-signature-symbol">()</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">...</span><span class="tsd-kind-parameter">args</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">)</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">,</span><br/><span class="tsd-signature-symbol">&gt;</span></div><div class="tsd-comment tsd-typography"><p>Enables state storage by subscribing to signal lifecycle events.
Clears memoized instances in StateBacktest and StateLive when a signal
is cancelled or closed, preventing stale instances from accumulating.
Uses singleshot to ensure one-time subscription.</p>
</div><div class="tsd-comment tsd-typography"><div class="tsd-tag-returns"><h4 class="tsd-anchor-link"><a id="returns" class="tsd-anchor"></a>Returns<a href="#returns" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>Cleanup function that unsubscribes from all emitters</p>
</div></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/tripolskypetr/backtest-kit/blob/45946781ee6619003b5512335c666c5e47a7af30/types.d.ts#L32320">types.d.ts:32320</a></li></ul></aside></section><section class="tsd-panel tsd-member"><a id="getstate" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>get<wbr/>State</span><a href="#getstate" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">getState</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">()</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span></div><div class="tsd-comment tsd-typography"><p>Read the current state value for the active pending or scheduled signal.
Resolves the signal, mode and timestamp from execution context — no context arguments required.</p>
</div><div class="tsd-type-declaration"><h4>Type declaration</h4><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature"><span class="tsd-signature-symbol">()</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span></li><li class="tsd-description"><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span></h4><p>Current state value (initialData when nothing was written yet)</p>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><div class="tsd-comment tsd-typography"><div class="tsd-tag-throws"><h4 class="tsd-anchor-link"><a id="throws-2" class="tsd-anchor"></a>Throws<a href="#throws-2" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>Error if no execution/method context or no pending/scheduled signal exists</p>
</div></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/tripolskypetr/backtest-kit/blob/45946781ee6619003b5512335c666c5e47a7af30/types.d.ts#L32369">types.d.ts:32369</a></li></ul></aside></section><section class="tsd-panel tsd-member"><a id="setstate" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>set<wbr/>State</span><a href="#setstate" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">setState</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">dispatch</span><span class="tsd-signature-symbol">:</span> <a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">Dispatch</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span> <span class="tsd-signature-symbol">=&gt;</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span></div><div class="tsd-comment tsd-typography"><p>Update the state value for the active pending or scheduled signal.
Resolves the signal, mode and timestamp from execution context — no context arguments required.</p>
</div><div class="tsd-type-declaration"><h4>Type declaration</h4><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">dispatch</span><span class="tsd-signature-symbol">:</span> <a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">Dispatch</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span></li><li class="tsd-description"><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">dispatch</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a> <span class="tsd-signature-symbol">|</span> <span class="tsd-signature-type">Dispatch</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span></span><div class="tsd-comment tsd-typography"><p>New value or updater function receiving current value</p>
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="types.State.html#constructorstatedata">Data</a><span class="tsd-signature-symbol">&gt;</span></h4><p>Updated state value</p>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><div class="tsd-comment tsd-typography"><div class="tsd-tag-throws"><h4 class="tsd-anchor-link"><a id="throws-3" class="tsd-anchor"></a>Throws<a href="#throws-3" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h4><p>Error if no execution/method context or no pending/scheduled signal exists</p>
</div></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/tripolskypetr/backtest-kit/blob/45946781ee6619003b5512335c666c5e47a7af30/types.d.ts#L32377">types.d.ts:32377</a></li></ul></aside></section></section></details></div><div class="col-sidebar"><div class="page-menu"><div class="tsd-navigation settings"><details class="tsd-accordion"><summary class="tsd-accordion-summary"><h3><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>Settings</h3></summary><div class="tsd-accordion-details"><div class="tsd-filter-visibility"><span class="settings-label">Member Visibility</span><ul id="tsd-filter-options"><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-protected" name="protected"/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>Protected</span></label></li><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-inherited" name="inherited" checked/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>Inherited</span></label></li><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-external" name="external"/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" 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