Inflearn Community Q&A
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여기까지 마친후 해시태그 검색을 하면.. 오류가납니다.
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/lecture/nodebird/views/main.pug:35 33| .twit-img 34| img(src=twit.img alt='섬네일') > 35| -const like = user && twit && twit.Liker.map(l => l.id).includes(user.id); 36| if user && !like 37| button.like 좋아요 38| else if user && like Cannot read property 'map' of undefined
TypeError: /Applications/MAMP/htdocs/lecture/nodebird/views/main.pug:35
33| .twit-img
34| img(src=twit.img alt='섬네일')
> 35| -const like = user && twit && twit.Liker.map(l => l.id).includes(user.id);
36| if user && !like
37| button.like 좋아요
38| else if user && like
Cannot read property 'map' of undefined
이렇게 발생하는데.. 어떻게 고쳐야하나요 ㅠㅠjavascriptmongodbnodejsmysql
Answer 2
1
zerocho
Instructor
-const like = user && twit && twit.Liker && twit.Liker.map(l => l.id).includes(user.id);
로 수정해보세요.
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