[v-for] vue error: Elements in iteration expect to have 'v-bind:key' directives (vue/require-v-for-key) at

error: Elements in iteration expect to have 'v-bind:key' directives (vue/require-v-for-key) at

v-for를 통해 아이템을 컴포넌트에 전달할 때 v-bind:key가 필수적으로 요구됨

    <div v-for="item in itemList" :key="item.name">
      <ItemCard :item="item" @onClick="onClick" />
    </div>