ui/src/components/overlays/Modal.vue

<template>
  <TransitionRoot :show="isOpen" as="template">
    <Dialog @close="setIsOpen">
      <div class="fixed z-10 inset-0 overflow-y-auto">
        <div class="flex items-end justify-center min-h-screen pt-4 px-4 pb-20 text-center sm:block sm:p-0">
          <TransitionChild
            as="template"
            enter="ease-out duration-300"
            enter-from="opacity-0"
            enter-to="opacity-100"
            leave="ease-in duration-200"
            leave-from="opacity-100"
            leave-to="opacity-0"
          >
            <DialogOverlay class="fixed inset-0 bg-gray-500 bg-opacity-75 transition-opacity" />
          </TransitionChild>

          <!-- This element is to trick the browser into centering the modal contents. -->
          <span class="hidden sm:inline-block sm:align-middle sm:h-screen" aria-hidden="true">&#8203;</span>

          <TransitionChild
            as="template"
            enter="ease-out duration-300"
            enter-from="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
            enter-to="opacity-100 translate-y-0 sm:scale-100"
            leave="ease-in duration-200"
            leave-from="opacity-100 translate-y-0 sm:scale-100"
            leave-to="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
          >
            <Card
              class="inline-block align-bottom bg-white rounded-lg text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full"
              v-bind="$attrs"
              ring-class
            >
              <template v-if="$slots.header" #header>
                <slot name="header" />
              </template>
              <slot />
              <template v-if="$slots.footer" #footer>
                <slot name="footer" />
              </template>
            </Card>
          </TransitionChild>
        </div>
      </div>
    </Dialog>
  </TransitionRoot>
</template>

<script>
import { Dialog, DialogOverlay, TransitionRoot, TransitionChild } from '@headlessui/vue'

import Card from '../layout/Card'

export default {
  components: {
    Dialog,
    DialogOverlay,
    TransitionRoot,
    TransitionChild,
    Card
  },
  props: {
    modelValue: {
      type: Boolean,
      default: false
    },
    title: {
      type: String,
      default: null
    }
  },
  emits: ['update:modelValue'],
  setup (props, { emit }) {
    const isOpen = computed({
      get () {
        return props.modelValue
      },
      set (value) {
        emit('update:modelValue', value)
      }
    })

    return {
      isOpen,
      setIsOpen (value) {
        isOpen.value = value
      },
      toggleIsOpen () {
        isOpen.value = !isOpen.value
      }
    }
  }
}
</script>