microbit-web-bluetooth

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Web Bluetooth library for micro:bit

github.com/thegecko/microbit-web-bluetooth

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<!DOCTYPE html><html class="default" lang="en"><head><meta charset="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>EventService | micro:bit Web Bluetooth API Documentation</title><meta name="description" content="Documentation for micro:bit Web Bluetooth API Documentation"/><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></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" data-base=".."><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"><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">micro:bit Web Bluetooth API Documentation</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"><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="../index.html">micro:bit Web Bluetooth API Documentation</a></li><li><a href="../modules/services_event.html">services/event</a></li><li><a href="services_event.EventService.html">EventService</a></li></ul><h1>Class EventService</h1></div><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><p>Event Service</p> </div><div class="tsd-comment tsd-typography"></div></section><section class="tsd-panel tsd-hierarchy"><h4>Hierarchy</h4><ul class="tsd-hierarchy"><li><span class="tsd-signature-type">TypedDispatcher</span><span class="tsd-signature-symbol"><</span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">this</span><span class="tsd-signature-symbol">></span><ul class="tsd-hierarchy"><li><span class="target">EventService</span></li></ul></li></ul></section><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/services/event.ts#L78">src/services/event.ts:78</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"><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">Methods</h3><div class="tsd-index-list"><a href="services_event.EventService.html#addEventListener" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>add<wbr/>Event<wbr/>Listener</span></a> <a href="services_event.EventService.html#addListener" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>add<wbr/>Listener</span></a> <a href="services_event.EventService.html#dispatchEvent" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>dispatch<wbr/>Event</span></a> <a href="services_event.EventService.html#emit" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>emit</span></a> <a href="services_event.EventService.html#eventNames" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>event<wbr/>Names</span></a> <a href="services_event.EventService.html#getMaxListeners" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>get<wbr/>Max<wbr/>Listeners</span></a> <a href="services_event.EventService.html#getMicrobitRequirements" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>get<wbr/>Microbit<wbr/>Requirements</span></a> <a href="services_event.EventService.html#listenerCount" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>listener<wbr/>Count</span></a> <a href="services_event.EventService.html#listeners" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>listeners</span></a> <a href="services_event.EventService.html#off" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>off</span></a> <a href="services_event.EventService.html#on" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>on</span></a> <a href="services_event.EventService.html#once" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>once</span></a> <a href="services_event.EventService.html#prependListener" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>prepend<wbr/>Listener</span></a> <a href="services_event.EventService.html#prependOnceListener" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>prepend<wbr/>Once<wbr/>Listener</span></a> <a href="services_event.EventService.html#rawListeners" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>raw<wbr/>Listeners</span></a> <a href="services_event.EventService.html#readMicrobitEvent" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>read<wbr/>Microbit<wbr/>Event</span></a> <a href="services_event.EventService.html#removeAllListeners" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>remove<wbr/>All<wbr/>Listeners</span></a> <a href="services_event.EventService.html#removeEventListener" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>remove<wbr/>Event<wbr/>Listener</span></a> <a href="services_event.EventService.html#removeListener" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>remove<wbr/>Listener</span></a> <a href="services_event.EventService.html#setClientRequirements" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>set<wbr/>Client<wbr/>Requirements</span></a> <a href="services_event.EventService.html#setMaxListeners" class="tsd-index-link tsd-is-inherited"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>set<wbr/>Max<wbr/>Listeners</span></a> <a href="services_event.EventService.html#writeClientEvent" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>write<wbr/>Client<wbr/>Event</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-Methods"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Methods</h2></summary><section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="addEventListener" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>add<wbr/>Event<wbr/>Listener</span><a href="#addEventListener" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="addEventListener.addEventListener-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">add<wbr/>Event<wbr/>Listener</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#addEventListener.addEventListener-1.K">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">type</span>, <span class="tsd-kind-parameter">listener</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span><a href="#addEventListener.addEventListener-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="addEventListener.addEventListener-1.K" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">type</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#addEventListener.addEventListener-1.K">K</a></span></li><li><span><span class="tsd-kind-parameter">listener</span>: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">CustomEvent</span><span class="tsd-signature-symbol"><</span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#addEventListener.addEventListener-1.K">K</a><span class="tsd-signature-symbol">]</span><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><span class="tsd-signature-symbol">)</span></span><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">event</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</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">event</span>: <span class="tsd-signature-type">CustomEvent</span><span class="tsd-signature-symbol"><</span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#addEventListener.addEventListener-1.K">K</a><span class="tsd-signature-symbol">]</span><span class="tsd-signature-symbol">></span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).addEventListener</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L32">src/event-dispatcher.ts:32</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="addListener" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>add<wbr/>Listener</span><a href="#addListener" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="addListener.addListener-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">add<wbr/>Listener</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#addListener.addListener-1.K-1">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">listener</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span><a href="#addListener.addListener-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="addListener.addListener-1.K-1" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">event</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#addListener.addListener-1.K-1">K</a></span></li><li><span><span class="tsd-kind-parameter">listener</span>: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">data</span><span class="tsd-signature-symbol">: </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#addListener.addListener-1.K-1">K</a><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><span class="tsd-signature-symbol">)</span></span><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">data</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</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">data</span>: <a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#addListener.addListener-1.K-1">K</a><span class="tsd-signature-symbol">]</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).addListener</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L36">src/event-dispatcher.ts:36</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="dispatchEvent" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>dispatch<wbr/>Event</span><a href="#dispatchEvent" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="dispatchEvent.dispatchEvent-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">dispatch<wbr/>Event</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span><a href="#dispatchEvent.dispatchEvent-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></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">event</span>: <span class="tsd-signature-type">CustomEvent</span><span class="tsd-signature-symbol"><</span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">></span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).dispatchEvent</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L34">src/event-dispatcher.ts:34</a></li></ul></aside></li><li class="tsd-signature tsd-anchor-link"><a id="dispatchEvent.dispatchEvent-2" class="tsd-anchor"></a><span class="tsd-kind-call-signature">dispatch<wbr/>Event</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#dispatchEvent.dispatchEvent-2.K-2">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">type</span>, <span class="tsd-kind-parameter">detail</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span><a href="#dispatchEvent.dispatchEvent-2" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="dispatchEvent.dispatchEvent-2.K-2" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">type</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#dispatchEvent.dispatchEvent-2.K-2">K</a></span></li><li><span><span class="tsd-kind-parameter">detail</span>: <a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#dispatchEvent.dispatchEvent-2.K-2">K</a><span class="tsd-signature-symbol">]</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).dispatchEvent</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L35">src/event-dispatcher.ts:35</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="emit" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>emit</span><a href="#emit" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="emit.emit-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">emit</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#emit.emit-1.K-3">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">data</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span><a href="#emit.emit-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="emit.emit-1.K-3" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">event</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#emit.emit-1.K-3">K</a></span></li><li><span><span class="tsd-kind-parameter">data</span>: <a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#emit.emit-1.K-3">K</a><span class="tsd-signature-symbol">]</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).emit</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L46">src/event-dispatcher.ts:46</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="eventNames" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>event<wbr/>Names</span><a href="#eventNames" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="eventNames.eventNames-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">event<wbr/>Names</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#eventNames.eventNames-1.K-4">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#eventNames.eventNames-1.K-4">K</a><span class="tsd-signature-symbol">[]</span><a href="#eventNames.eventNames-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="eventNames.eventNames-1.K-4" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></span></li></ul></section><h4 class="tsd-returns-title">Returns <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#eventNames.eventNames-1.K-4">K</a><span class="tsd-signature-symbol">[]</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).eventNames</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L47">src/event-dispatcher.ts:47</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="getMaxListeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>get<wbr/>Max<wbr/>Listeners</span><a href="#getMaxListeners" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="getMaxListeners.getMaxListeners-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">get<wbr/>Max<wbr/>Listeners</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><a href="#getMaxListeners.getMaxListeners-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).getMaxListeners</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L50">src/event-dispatcher.ts:50</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member"><a id="getMicrobitRequirements" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>get<wbr/>Microbit<wbr/>Requirements</span><a href="#getMicrobitRequirements" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class="tsd-signature tsd-anchor-link"><a id="getMicrobitRequirements.getMicrobitRequirements-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">get<wbr/>Microbit<wbr/>Requirements</span><span class="tsd-signature-symbol">(</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"><</span><a href="../interfaces/services_event.MicrobitEvent.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvent</a><span class="tsd-signature-symbol">></span><a href="#getMicrobitRequirements.getMicrobitRequirements-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Get micro:bit event requirements</p> </div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><a href="../interfaces/services_event.MicrobitEvent.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvent</a><span class="tsd-signature-symbol">></span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/services/event.ts#L112">src/services/event.ts:112</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="listenerCount" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>listener<wbr/>Count</span><a href="#listenerCount" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="listenerCount.listenerCount-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">listener<wbr/>Count</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#listenerCount.listenerCount-1.K-5">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">type</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><a href="#listenerCount.listenerCount-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="listenerCount.listenerCount-1.K-5" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">type</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#listenerCount.listenerCount-1.K-5">K</a></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).listenerCount</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L48">src/event-dispatcher.ts:48</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="listeners" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>listeners</span><a href="#listeners" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="listeners.listeners-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">listeners</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#listeners.listeners-1.K-6">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Function</span><span class="tsd-signature-symbol">[]</span><a href="#listeners.listeners-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="listeners.listeners-1.K-6" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">event</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#listeners.listeners-1.K-6">K</a></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Function</span><span class="tsd-signature-symbol">[]</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).listeners</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L45">src/event-dispatcher.ts:45</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="off" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>off</span><a href="#off" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="off.off-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">off</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#off.off-1.K-7">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">listener</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span><a href="#off.off-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="off.off-1.K-7" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">event</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#off.off-1.K-7">K</a></span></li><li><span><span class="tsd-kind-parameter">listener</span>: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">data</span><span class="tsd-signature-symbol">: </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#off.off-1.K-7">K</a><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><span class="tsd-signature-symbol">)</span></span><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">data</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</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">data</span>: <a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#off.off-1.K-7">K</a><span class="tsd-signature-symbol">]</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).off</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L39">src/event-dispatcher.ts:39</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="on" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>on</span><a href="#on" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="on.on-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">on</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#on.on-1.K-8">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">listener</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span><a href="#on.on-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="on.on-1.K-8" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">event</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#on.on-1.K-8">K</a></span></li><li><span><span class="tsd-kind-parameter">listener</span>: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">data</span><span class="tsd-signature-symbol">: </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#on.on-1.K-8">K</a><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><span class="tsd-signature-symbol">)</span></span><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">data</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</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">data</span>: <a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#on.on-1.K-8">K</a><span class="tsd-signature-symbol">]</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).on</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L37">src/event-dispatcher.ts:37</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="once" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>once</span><a href="#once" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="once.once-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">once</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#once.once-1.K-9">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">listener</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span><a href="#once.once-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="once.once-1.K-9" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">event</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#once.once-1.K-9">K</a></span></li><li><span><span class="tsd-kind-parameter">listener</span>: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">data</span><span class="tsd-signature-symbol">: </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#once.once-1.K-9">K</a><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><span class="tsd-signature-symbol">)</span></span><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">data</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</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">data</span>: <a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a><span class="tsd-signature-symbol">[</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#once.once-1.K-9">K</a><span class="tsd-signature-symbol">]</span></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4></li></ul></li></ul></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4><aside class="tsd-sources"><p>Inherited from (EventDispatcher as new() => TypedDispatcher<MicrobitEvents>).once</p><ul><li>Defined in <a href="https://github.com/thegecko/microbit-web-bluetooth/blob/78defbe7d455c87b75a569b6842e4c7dee9a6f75/src/event-dispatcher.ts#L38">src/event-dispatcher.ts:38</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member tsd-is-inherited"><a id="prependListener" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>prepend<wbr/>Listener</span><a href="#prependListener" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures tsd-is-inherited"><li class="tsd-signature tsd-anchor-link"><a id="prependListener.prependListener-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">prepend<wbr/>Listener</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="services_event.EventService.html#prependListener.prependListener-1.K-10">K</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">event</span>, <span class="tsd-kind-parameter">listener</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span><a href="#prependListener.prependListener-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><section class="tsd-panel"><h4>Type Parameters</h4><ul class="tsd-type-parameter-list"><li><span><a id="prependListener.prependListener-1.K-10" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">K</span><span class="tsd-signature-keyword"> extends </span><span class="tsd-signature-keyword">keyof </span><a href="../interfaces/services_event.MicrobitEvents.html" class="tsd-signature-type tsd-kind-interface">MicrobitEvents</a></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">event</span>: <a class="tsd-signature-type tsd-kind-type-parameter" href="services_accelerometer.AccelerometerService.html#prependListener.prependListener-1.K-10">K</a></span></li><li><span><span class="tsd-kind-parameter">l