<div style="color: #d4d4d4; background-color: #1e1e1e; font-family: Menlo, Monaco, 'Courier New', monospace; font-size: 12px; line-height: 18px; white-space: pre;"><br />
<div><span style="color: #569cd6;">async</span> <span style="color: #dcdcaa;">existsByEmail</span>(<span style="color: #9cdcfe;">email</span>: <span style="color: #4ec9b0;">string</span>): <span style="color: #4ec9b0;">Promise</span>&lt;<span style="color: #4ec9b0;">boolean</span>&gt; {</div>
<div><span style="color: #c586c0;">try</span> {</div>
<div><span style="color: #569cd6;">const</span> <span style="color: #4fc1ff;">result</span> = <span style="color: #c586c0;">await</span> <span style="color: #569cd6;">this</span>.<span style="color: #4ec9b0;">catModel</span>.<span style="color: #dcdcaa;">exists</span>({ <span style="color: #9cdcfe;">email</span> });</div>
<br />
<div><span style="color: #c586c0;">return</span> <span style="color: #4fc1ff;">result</span>;</div>
<div>} <span style="color: #c586c0;">catch</span> (<span style="color: #9cdcfe;">error</span>) {</div>
<div><span style="color: #c586c0;">throw</span> <span style="color: #569cd6;">new</span> <span style="color: #4ec9b0;">HttpException</span>(<span style="color: #ce9178;">'db error'</span>, <span style="color: #b5cea8;">400</span>);</div>
<div>}</div>
<div>}</div>
</div>
<p>에서 return result부분에서 오류가 발생합니다.</p>
<p>src/cats/cats.repository.ts:20:7 - error TS2322: Type 'Pick&lt;Document&lt;Cat, any, any&gt;, "_id"&gt;' is not assignable to type 'boolean'.</p>
<p>&nbsp;</p>
<p>20&nbsp; &nbsp; &nbsp; &nbsp;return result;</p>
<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;~~~~~~~~~~~~~~<br /><br />exists() 따라가 보면 리턴타입이 boolean이 아닌거 같은데 어떤 부분을 확인해 보면 좋을까요?</p>
<p>&nbsp;</p>
<p>console.log로 result를 찍어보면&nbsp; { _id: new ObjectId~~~} 가 나옵니다.</p>

<p>exist() 가 버전업 되면서 {_id:...} 혹은 null을 리턴합니다. if(result) {return true} else {return false}로 바꿔주시면 됩니다.</p>

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