The v-for loop seems to be malfunctioning in my Nuxt 3 project

I have a script with mock data stored in a variable named whatsHappeningItems, and I am trying to pass this data as a reference to a card component using v-for="whatsHappening in whatsHappeningItems". However, when I do this, I encounter the following error message:

[vue/valid-v-for] Custom elements in iteration require 'v-bind:key' directives.

const whatsHappening: {
title: string;
count: string;

}

Does anyone know why this error is occurring?

Answer №1

When using eslint, it may add code similar to the following:

<...
  v-for="(whatsHappening, index) in whatsHappeningItems"
  :key="index"
  ....

Answer №2

It appears that the problem was related to an eslint issue, as pointed out by Tachibana Shin

I had initially written this code snippet:

<...
v-for="whatsHappening in whatsHappeningItems" v-bind:key="whatsHappening" 
  ....

Here is how my mock data was structured:

<...
<script setup>
const whatsHappeningItems = ref([
  {
    title: 'example',
    count: 'example',
  },
]);
</script>

  ....

After making some corrections, all errors were resolved and the issue seems to be fixed now.

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