<p>보일러플레이트 부분을 보고 있습니다.</p>
<p>해당 부분에서 function (err, salt) 부분을</p>
<p>(err, salt) =&gt; 로 변경하면 작동이 안되는데..</p>
<p>어떤 차이가 있는지 궁금합니다.</p>
<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: #c586c0;">if</span> (<span style="color: #9cdcfe;">user</span>.<span style="color: #dcdcaa;">isModified</span>(<span style="color: #ce9178;">"password"</span>)) {</div>
<div><span style="color: #9cdcfe;">bcrypt</span>.<span style="color: #dcdcaa;">genSalt</span>(<span style="color: #4fc1ff;">saltRounds</span>, <span style="color: #569cd6;">function</span> (<span style="color: #9cdcfe;">err</span>, <span style="color: #9cdcfe;">salt</span>) {</div>
<div><span style="color: #c586c0;">if</span> (<span style="color: #9cdcfe;">err</span>) <span style="color: #c586c0;">return</span> <span style="color: #dcdcaa;">next</span>(<span style="color: #9cdcfe;">err</span>);</div>
<br />
<div><span style="color: #9cdcfe;">bcrypt</span>.<span style="color: #dcdcaa;">hash</span>(<span style="color: #9cdcfe;">user</span>.<span style="color: #9cdcfe;">password</span>, <span style="color: #9cdcfe;">salt</span>, <span style="color: #569cd6;">function</span> (<span style="color: #9cdcfe;">err</span>, <span style="color: #9cdcfe;">hash</span>) {</div>
<div><span style="color: #c586c0;">if</span> (<span style="color: #9cdcfe;">err</span>) <span style="color: #c586c0;">return</span> <span style="color: #dcdcaa;">next</span>(<span style="color: #9cdcfe;">err</span>);</div>
<div><span style="color: #9cdcfe;">user</span>.<span style="color: #9cdcfe;">password</span> = <span style="color: #9cdcfe;">hash</span>;</div>
<div><span style="color: #dcdcaa;">next</span>();</div>
<div>});</div>
<div>});</div>
<div>}</div>
</div>

<p>저도 궁금해서 찾아봤는데 mongoDB 서버 측에서 arrowfunction 소화를 못하나봅니다 ,,,&nbsp;</p>
<p>참조하시면 될 것 같아여 ,,</p>
<p>https://javascript.tutorialink.com/mongodb-function-operator-does-not-support-arrow-function/</p>

인프런 커뮤니티 질문&답변

bcrypt 작성할 때 arrow function 은 사용을 못하나요?