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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>isDefined | Documentation</title><meta name="description" content="Documentation for 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/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"</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="#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">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="#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">Documentation</a></li><li><a href="../modules/_waku_sdk.html">@waku/sdk</a></li><li><a href="../modules/_waku_sdk.utils.html">utils</a></li><li><a href="_waku_sdk.utils.isDefined.html">isDefined</a></li></ul><h1>Function isDefined</h1></div><section class="tsd-panel"><ul class="tsd-signatures"><li class="tsd-signature tsd-anchor-link"><a id="isDefined" class="tsd-anchor"></a><span class="tsd-kind-call-signature">is<wbr/>Defined</span><span class="tsd-signature-symbol"><</span><a class="tsd-signature-type tsd-kind-type-parameter" href="_waku_sdk.utils.isDefined.html#isDefined.T">T</a><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">value</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-kind-parameter">value</span><span class="tsd-signature-keyword"> is </span><a class="tsd-signature-type tsd-kind-type-parameter" href="_waku_sdk.utils.isDefined.html#isDefined.T">T</a><a href="#isDefined" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#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="isDefined.T" class="tsd-anchor"></a><span class="tsd-kind-type-parameter">T</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">value</span>: <span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a class="tsd-signature-type tsd-kind-type-parameter" href="_waku_sdk.utils.isDefined.html#isDefined.T">T</a></span></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-kind-parameter">value</span><span class="tsd-signature-keyword"> is </span><a class="tsd-signature-type tsd-kind-type-parameter" href="_waku_sdk.utils.isDefined.html#isDefined.T">T</a></h4><aside class="tsd-sources"><ul><li>Defined in packages/utils/dist/common/is_defined.d.ts:1</li></ul></aside></li></ul></section></div><div class="col-sidebar"><div class="page-menu"><div class="tsd-navigation settings"><details class="tsd-index-accordion"><summary cla
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