[Vue warn]: Error in created hook: "TypeError: Cannot read property 'id' of undefined"
found in
---> <Post> at resources/js/components/Post.vue
<Scrollable> at resources/js/components/Scrollable.vue
<Posts> at resources/js/components/Posts.vue
<Root><template>
<div class="bg-white shadow p-4 rounded-lg mt-8">
<div class="flex">
<div class="ml-4 flex-1 flex flex-col justify-between">
<h3 class="text-gray-700 text-2xl uppercase">
{{ post.title }}
<span class="text-gray-600 text-sm">{{ post.title }} years</span>
</h3>
<div><span class="bg-indigo-100 text-indigo-700 text-sm uppercase px-1 px-2 rounded-sm">{{ post.title }} </span></div>
</div>
<div class="flex flex-col justify-end">
<button @click.prevent="showCommentsForm = ! showCommentsForm">
<svg class="stroke-current text-indigo-600 w-6" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z"></path></svg>
</button>
</div>
</div>
<!-- Comments -->
<div v-show="showCommentsForm" class="mt-6">
<div>
<div class="relative">
<div class="absolute flex flex-col justify-center right-0 h-full px-4">
<button @click.prevent="postComment"><svg class="w-4 stroke-current text-indigo-500 hover:text-indigo-700" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="22" y1="2" x2="11" y2="13"></line><polygon points="22 2 15 22 11 13 2 9 22 2"></polygon></svg></button>
</div>
<input class="border border-indigo-200 hover:bg-indigo-100 focus:bg-indigo-100 outline-none pr-12 px-3 py-2 rounded text-sm w-full"
v-model="body"
placeholder="What do you think of this cat?"
@keyup.enter="postComment"
>
</div>
<!-- replying to -->
<div v-show="replyingTo.id" class="flex items-center mt-2">
<div class="text-xs flex text-gray-600 uppercase mb-1">
<div class="flex items-center flex-none">
<button @click.prevent="unsetReplyingTo" class="mr-2"><svg class="stroke-current text-indigo-500 w-4" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><line x1="15" y1="9" x2="9" y2="15"></line><line x1="9" y1="9" x2="15" y2="15"></line></svg></button>
<span class="px-2 py-1 bg-gray-200">replying to: </span>
</div>
<div class="w-2/3 ml-4 pl-2 py-1 border-l-2 border-indigo-200 text-gray-600">
{{ replyingTo.body }}
</div>
</div>
</div>
</div>
<!-- thread -->
<div v-for="comment in comments" class="text-gray-700 py-4 pb-0 mt-4 rounded">
<!-- parent comment -->
<div class="-mx-4 px-4 bg-gray-100">
<span class="text-gray-500 uppercase text-xs">{{ comment.created_at }}</span>
<p>{{ comment.body }}</p>
<div>
<button @click.prevent="setReplyingTo(comment)"><svg class="stroke-current text-gray-500 w-4" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z"></path></svg></button>
</div>
</div>
<!-- replies -->
<div v-for="reply in comment.replies" class="px-4">
<div class="text-gray-700 rounded">
<span class="text-gray-500 uppercase text-xs">{{ reply.created_at }}</span>
<p>{{ reply.body }}</p>
<div>
<button @click.prevent="setReplyingTo(comment)"><svg class="stroke-current text-gray-500 w-4" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z"></path></svg></button>
</div>
</div>
</div>
</div>
</div>
</div>
</template>
<script>
export default {
props: ['post'],
data() {
return {
body: '',
comments: [],
showCommentsForm: false,
replyingTo: {},
}
},
methods: {
postComment() {
axios.post(`posts/${this.post.id}/comments`, {
parent_id: this.replyingTo.id ? this.replyingTo.id : null,
body: this.body,
}).
then(response => {
this.body = ''
if (! this.replyingTo.id) {
this.comments.push(response.data)
} else {
this.replyingTo.replies.push(response.data)
}
this.unsetReplyingTo()
})
},
fetchComments() {
axios.get(`posts/${this.posts.id}/comments`)
.then(response => {
this.comments = response.data
})
},
setReplyingTo(comment) {
this.replyingTo = comment
},
unsetReplyingTo() {
this.replyingTo = {}
}
},
created() {
this.fetchComments()
}
}
</script><?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\Models\Post;
class PostCommentsController extends Controller
{
public function index(Post $post)
{
$comments = $post->comments()->parent()->with('replies')->get();
return response()->json($comments);
}
public function store(Request $request, Post $post)
{
$comment = $post->comments()->create([
'parent_id' => $request->parent_id,
'body' => $request->body,
]);
return response()->json($comment);
}
}<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Comment extends Model
{
public function scopeParent($query)
{
return $query->whereNull('parent_id');
}
public function replies()
{
return $this->hasMany(Comment::class, 'parent_id');
}
public function parent()
{
return $this->belongsTo(Comment::class);
}
}
created -> fetchComponents -> cannot read id of undefinedfetchComponents: id используется только в одном местеthis.posts.idthis.posts во время выполнения метода = undefinedthis.post (определено в props компонента)s. 
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