code-lab/node_modules/vuetify/lib/components/VDialog/VDialog.mjs

import { mergeProps as _mergeProps, createVNode as _createVNode } from "vue";
// Styles
import "./VDialog.css";

// Components
import { VDialogTransition } from "../transitions/index.mjs";
import { VDefaultsProvider } from "../VDefaultsProvider/index.mjs";
import { VOverlay } from "../VOverlay/index.mjs";
import { makeVOverlayProps } from "../VOverlay/VOverlay.mjs"; // Composables
import { forwardRefs } from "../../composables/forwardRefs.mjs";
import { useProxiedModel } from "../../composables/proxiedModel.mjs";
import { useScopeId } from "../../composables/scopeId.mjs"; // Utilities
import { mergeProps, nextTick, onBeforeUnmount, ref, watch } from 'vue';
import { focusableChildren, genericComponent, IN_BROWSER, propsFactory, useRender } from "../../util/index.mjs"; // Types
export const makeVDialogProps = propsFactory({
  fullscreen: Boolean,
  retainFocus: {
    type: Boolean,
    default: true
  },
  scrollable: Boolean,
  ...makeVOverlayProps({
    origin: 'center center',
    scrollStrategy: 'block',
    transition: {
      component: VDialogTransition
    },
    zIndex: 2400
  })
}, 'VDialog');
export const VDialog = genericComponent()({
  name: 'VDialog',
  props: makeVDialogProps(),
  emits: {
    'update:modelValue': value => true,
    afterEnter: () => true,
    afterLeave: () => true
  },
  setup(props, _ref) {
    let {
      emit,
      slots
    } = _ref;
    const isActive = useProxiedModel(props, 'modelValue');
    const {
      scopeId
    } = useScopeId();
    const overlay = ref();
    function onFocusin(e) {
      const before = e.relatedTarget;
      const after = e.target;
      if (before !== after && overlay.value?.contentEl &&
      // We're the topmost dialog
      overlay.value?.globalTop &&
      // It isn't the document or the dialog body
      ![document, overlay.value.contentEl].includes(after) &&
      // It isn't inside the dialog body
      !overlay.value.contentEl.contains(after)) {
        const focusable = focusableChildren(overlay.value.contentEl);
        if (!focusable.length) return;
        const firstElement = focusable[0];
        const lastElement = focusable[focusable.length - 1];
        if (before === firstElement) {
          lastElement.focus();
        } else {
          firstElement.focus();
        }
      }
    }
    onBeforeUnmount(() => {
      document.removeEventListener('focusin', onFocusin);
    });
    if (IN_BROWSER) {
      watch(() => isActive.value && props.retainFocus, val => {
        val ? document.addEventListener('focusin', onFocusin) : document.removeEventListener('focusin', onFocusin);
      }, {
        immediate: true
      });
    }
    function onAfterEnter() {
      emit('afterEnter');
      if (overlay.value?.contentEl && !overlay.value.contentEl.contains(document.activeElement)) {
        overlay.value.contentEl.focus({
          preventScroll: true
        });
      }
    }
    function onAfterLeave() {
      emit('afterLeave');
    }
    watch(isActive, async val => {
      if (!val) {
        await nextTick();
        overlay.value.activatorEl?.focus({
          preventScroll: true
        });
      }
    });
    useRender(() => {
      const overlayProps = VOverlay.filterProps(props);
      const activatorProps = mergeProps({
        'aria-haspopup': 'dialog'
      }, props.activatorProps);
      const contentProps = mergeProps({
        tabindex: -1
      }, props.contentProps);
      return _createVNode(VOverlay, _mergeProps({
        "ref": overlay,
        "class": ['v-dialog', {
          'v-dialog--fullscreen': props.fullscreen,
          'v-dialog--scrollable': props.scrollable
        }, props.class],
        "style": props.style
      }, overlayProps, {
        "modelValue": isActive.value,
        "onUpdate:modelValue": $event => isActive.value = $event,
        "aria-modal": "true",
        "activatorProps": activatorProps,
        "contentProps": contentProps,
        "height": !props.fullscreen ? props.height : undefined,
        "width": !props.fullscreen ? props.width : undefined,
        "maxHeight": !props.fullscreen ? props.maxHeight : undefined,
        "maxWidth": !props.fullscreen ? props.maxWidth : undefined,
        "role": "dialog",
        "onAfterEnter": onAfterEnter,
        "onAfterLeave": onAfterLeave
      }, scopeId), {
        activator: slots.activator,
        default: function () {
          for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
            args[_key] = arguments[_key];
          }
          return _createVNode(VDefaultsProvider, {
            "root": "VDialog"
          }, {
            default: () => [slots.default?.(...args)]
          });
        }
      });
    });
    return forwardRefs({}, overlay);
  }
});
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