Only select post Im clicking on (v-for @click vue.js) but its selecting all saved posts because of t-CodePudding

Im doing a little blog project to practice vue.js. Im using composition API script setup. When you write a post it saves in localStorage. When you click on the text in the blog it opens up an overlay and a big sized blogtext. its just that its not only showing the one I clicked on but the other earlier blog posts aswell. How can I focus so it only shows the one I click on. Im using tailwind as css.

On this link you can test yourself but here I have some dummytext in before I made it so the note.text will be shown;

CodePudding user response：

Here's a method you can use for conditional rendering.

When dealing with v-loops without using a child component, you can use index in the loop then conditionally render it with v-if="selectedIndex = index.

In the modal section, you add the v-if like this

<div 
  v-if="showModal" 
  @click="showModal = false" 
  
>
    <div 
      v-for="(note, index) in notes" 
      :key="note.id" 
      
    >
      <p v-if="selectedIndex === index">{{ note.text }}</p>
    </div>
</div>

then in the place where you rendered the text to be clicked, you add a click event to update selectedIndex when you click on different rendered contents with their relevant index.

<div
  v-for="(note, index) in notes"
  :key="note.id"
  
  @click="selectedIndex = index"
> 
   <div 
      
   >
     ...
   </div>
</div>

then in the script tag, just add a ref of the selectedIndex

const selectedIndex = ref(null)

Note: If your @click="showModal = true" is faster than the selectedIndex update, you will get a "delayed" update. To fix this you want to convert the @click="showModal = true" into a function, which includes the updateIndex and this showModal reassigning.

It would look something like this

<template>
// other parts...
<p @click="updateValues(index)" > {{ note.text }}</p>
// other parts...
</template>

<script setup>
// ... your other functions above

const updateValues = (index) => {
  selectedIndex.value = index
  showModal.value = true
}
</script>

Anyhow, I think it would be better to split those 2 items (the modal and the render text) into different components, that way you will be able to have an easier time handling the logic.