Options API:
<script>
import { defineComponent } from 'vue'
export default defineComponent({
name: 'CustomName', // 👈
inheritAttrs: false, // 👈
setup() {
return {}
},
})
</script>
Is there a way to achieve the same functionality in <script setup> for name and inheritAttrs, similar to how defineProps and defineEmits work?
<script setup>
// 👉 how can we define them here?
</script>
Vue ^3.3 introduces a new feature where you can utilize defineOptions() directly:
<script setup>
defineOptions({
name: 'CustomName',
inheritAttrs: false,
customOptions: {},
})
</script>
The <script setup> syntax allows you to achieve similar functionality as most existing Options API options, with the exception of a few:
nameinheritAttrsIf you need to specify these options, there are two approaches:
defineOptions(), which is a concise method:<script setup>
defineOptions({
name: 'CustomName',
inheritAttrs: false,
customOptions: {},
})
</script>
<script> block with export default:<script>
export default {
name: 'CustomName',
inheritAttrs: false,
customOptions: {},
}
</script>
<script setup>
// script setup logic
</script>
Compiled output:
<script>
export default {
name: 'CustomName',
inheritAttrs: false,
customOptions: {},
setup() {
// script setup logic
},
}
</script>
If you're looking for a convenient Vite plugin that can help you set component names, check out vite-plugin-vue-setup-extend.
// vite.config.ts
import { defineConfig } from 'vite'
import VueSetupExtend from 'vite-plugin-vue-setup-extend'
export default defineConfig({
plugins: [
VueSetupExtend()
]
})
<script lang="ts" setup name="CompName">
</script>
If you want to utilize the setup script and typescript with defineComponent, you can do it like so:
<script lang="ts">
export default defineComponent({
inheritAttrs: false,
});
</script>
<script setup lang="ts">
// Your setup code
</script>
Starting from Vue 3.3 onwards, it is possible to define defineOptions within the setup script:
<script setup lang="ts">
defineOptions({
inheritAttrs: false
})
</script>
If you want to define options API using unplugin-vue-define-options, you can do so within the <script setup> section.
<script lang="ts" setup>
import { computed } from "vue";
import { useWindowScroll } from "@vueuse/core";
defineOptions({ name: "BackToTop" });
const { y: scrollY } = useWindowScroll();
const show = computed(() => scrollY.value > 180);
</script>
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