<section class="tsd-panel tsd-member tsd-is-inherited tsd-is-external"><a id="on-2" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagStatic">Static</code> <span>on</span><a href="#on-2" aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><use href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
<ul class="tsd-signatures tsd-is-inherited tsd-is-external">
<li class="tsd-signature tsd-anchor-link" id="on-2.on-3"><span class="tsd-kind-call-signature">on</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">emitter</span>, <span class="tsd-kind-parameter">eventName</span>, <span class="tsd-kind-parameter">options</span><span class="tsd-signature-symbol">?</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type ">AsyncIterableIterator</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">></span><a href="#on-2.on-3" aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><use href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><pre><code class="language-js"><span class="hl-4">const</span><span class="hl-0"> { </span><span class="hl-5">on</span><span class="hl-0">, </span><span class="hl-5">EventEmitter</span><span class="hl-0"> } = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-6">'events'</span><span class="hl-0">);</span><br/><br/><span class="hl-0">(</span><span class="hl-4">async</span><span class="hl-0"> () </span><span class="hl-4">=></span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-4">const</span><span class="hl-0"> </span><span class="hl-5">ee</span><span class="hl-0"> = </span><span class="hl-4">new</span><span class="hl-0"> </span><span class="hl-2">EventEmitter</span><span class="hl-0">();</span><br/><br/><span class="hl-0"> </span><span class="hl-7">// Emit later on</span><br/><span class="hl-0"> </span><span class="hl-3">process</span><span class="hl-0">.</span><span class="hl-2">nextTick</span><span class="hl-0">(() </span><span class="hl-4">=></span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-3">ee</span><span class="hl-0">.</span><span class="hl-2">emit</span><span class="hl-0">(</span><span class="hl-6">'foo'</span><span class="hl-0">, </span><span class="hl-6">'bar'</span><span class="hl-0">);</span><br/><span class="hl-0"> </span><span class="hl-3">ee</span><span class="hl-0">.</span><span class="hl-2">emit</span><span class="hl-0">(</span><span class="hl-6">'foo'</span><span class="hl-0">, </span><span class="hl-1">42</span><span class="hl-0">);</span><br/><span class="hl-0"> });</span><br/><br/><span class="hl-0"> </span><span class="hl-8">for</span><span class="hl-0"> </span><span class="hl-8">await</span><span class="hl-0"> (</span><span class="hl-4">const</span><span class="hl-0"> </span><span class="hl-5">event</span><span class="hl-0"> </span><span class="hl-4">of</span><span class="hl-0"> </span><span class="hl-2">on</span><span class="hl-0">(</span><span class="hl-3">ee</span><span class="hl-0">, </span><span class="hl-6">'foo'</span><span class="hl-0">)) {</span><br/><span class="hl-0"> </span><span class="hl-7">// The execution of this inner block is synchronous and it</span><br/><span class="hl-0"> </span><span class="hl-7">// processes one event at a time (even with await). Do not use</span><br/><span class="hl-0"> </span><span class="hl-7">// if concurrent execution is required.</span><br/><span class="hl-0"> </span><span class="hl-3">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-3">event</span><span class="hl-0">); </span><span class="hl-7">// prints ['bar'] [42]</span><br/><span class="hl-0"> }</span><br/><span class="hl-0"> </span><span class="hl-7">// Unreachable here</span><br/><span class="hl-0">})();</span>
<section class="tsd-panel tsd-member tsd-is-inherited tsd-is-external"><a id="on-2" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagStatic">Static</code> <span>on</span><a href="#on-2" aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><use href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></h3>
<ul class="tsd-signatures tsd-is-inherited tsd-is-external">
<li class="tsd-signature tsd-anchor-link" id="on-2.on-3"><span class="tsd-kind-call-signature">on</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">emitter</span>, <span class="tsd-kind-parameter">eventName</span>, <span class="tsd-kind-parameter">options</span><span class="tsd-signature-symbol">?</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type ">AsyncIterableIterator</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">any</span><span class="tsd-signature-symbol">></span><a href="#on-2.on-3" aria-label="Permalink" class="tsd-anchor-icon"><svg class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><use href="#icon-anchor-a"></use><use href="#icon-anchor-b"></use><use href="#icon-anchor-c"></use></svg></a></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><pre><code class="language-js"><span class="hl-4">const</span><span class="hl-0"> { </span><span class="hl-5">on</span><span class="hl-0">, </span><span class="hl-5">EventEmitter</span><span class="hl-0"> } = </span><span class="hl-2">require</span><span class="hl-0">(</span><span class="hl-6">'events'</span><span class="hl-0">);</span><br/><br/><span class="hl-0">(</span><span class="hl-4">async</span><span class="hl-0"> () </span><span class="hl-4">=></span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-4">const</span><span class="hl-0"> </span><span class="hl-5">ee</span><span class="hl-0"> = </span><span class="hl-4">new</span><span class="hl-0"> </span><span class="hl-2">EventEmitter</span><span class="hl-0">();</span><br/><br/><span class="hl-0"> </span><span class="hl-7">// Emit later on</span><br/><span class="hl-0"> </span><span class="hl-3">process</span><span class="hl-0">.</span><span class="hl-2">nextTick</span><span class="hl-0">(() </span><span class="hl-4">=></span><span class="hl-0"> {</span><br/><span class="hl-0"> </span><span class="hl-3">ee</span><span class="hl-0">.</span><span class="hl-2">emit</span><span class="hl-0">(</span><span class="hl-6">'foo'</span><span class="hl-0">, </span><span class="hl-6">'bar'</span><span class="hl-0">);</span><br/><span class="hl-0"> </span><span class="hl-3">ee</span><span class="hl-0">.</span><span class="hl-2">emit</span><span class="hl-0">(</span><span class="hl-6">'foo'</span><span class="hl-0">, </span><span class="hl-1">42</span><span class="hl-0">);</span><br/><span class="hl-0"> });</span><br/><br/><span class="hl-0"> </span><span class="hl-8">for</span><span class="hl-0"> </span><span class="hl-8">await</span><span class="hl-0"> (</span><span class="hl-4">const</span><span class="hl-0"> </span><span class="hl-5">event</span><span class="hl-0"> </span><span class="hl-4">of</span><span class="hl-0"> </span><span class="hl-2">on</span><span class="hl-0">(</span><span class="hl-3">ee</span><span class="hl-0">, </span><span class="hl-6">'foo'</span><span class="hl-0">)) {</span><br/><span class="hl-0"> </span><span class="hl-7">// The execution of this inner block is synchronous and it</span><br/><span class="hl-0"> </span><span class="hl-7">// processes one event at a time (even with await). Do not use</span><br/><span class="hl-0"> </span><span class="hl-7">// if concurrent execution is required.</span><br/><span class="hl-0"> </span><span class="hl-3">console</span><span class="hl-0">.</span><span class="hl-2">log</span><span class="hl-0">(</span><span class="hl-3">event</span><span class="hl-0">); </span><span class="hl-7">// prints ['bar'] [42]</span><br/><span class="hl-0"> }</span><br/><span class="hl-0"> </span><span class="hl-7">// Unreachable here</span><br/><span class="hl-0">})();</span>