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tools/vue/primitives/src/menu/MenuCheckboxItem.vue
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Vue

<script lang="ts">
import type { MenuItemImplEmits, MenuItemImplProps } from './MenuItemImpl.vue';
import type { CheckedState } from './types';
/**
* A menu item that toggles a boolean (or indeterminate) state when selected,
* rendering with `role="menuitemcheckbox"`. Pair it with MenuItemIndicator to
* show a check mark. Bind `v-model:checked` to control its state, or leave it
* uncontrolled with `defaultChecked`.
*/
export interface MenuCheckboxItemProps extends MenuItemImplProps {
/** The controlled checked state. Use together with `update:checked`; may be `'indeterminate'`. */
checked?: CheckedState;
/** The checked state when uncontrolled. */
defaultChecked?: CheckedState;
}
export interface MenuCheckboxItemEmits extends MenuItemImplEmits {
'update:checked': [value: CheckedState];
}
</script>
<script setup lang="ts">
import { computed, ref } from 'vue';
import { provideMenuItemIndicatorContext, useMenuRootContext } from './context';
import MenuItemImpl from './MenuItemImpl.vue';
import { ITEM_SELECT, getCheckedState, isIndeterminate } from './utils';
const {
checked: checkedProp,
defaultChecked = false,
...itemProps
} = defineProps<MenuCheckboxItemProps>();
const emit = defineEmits<MenuCheckboxItemEmits>();
const rootCtx = useMenuRootContext();
const local = ref<CheckedState>(defaultChecked);
const checkedState = computed<CheckedState>(() => checkedProp !== undefined ? checkedProp : local.value);
provideMenuItemIndicatorContext({ checkedState });
function handleSelect(event: Event) {
const next: CheckedState = isIndeterminate(checkedState.value) ? true : !checkedState.value;
local.value = next;
emit('update:checked', next);
const target = event.currentTarget as HTMLElement;
const selectEvent = new CustomEvent(ITEM_SELECT, { bubbles: true, cancelable: true });
// Emit the cancelable ITEM_SELECT event so `@select` preventDefault works.
target.addEventListener(ITEM_SELECT, e => emit('select', e), { once: true });
target.dispatchEvent(selectEvent);
if (!selectEvent.defaultPrevented) rootCtx.onClose();
}
</script>
<template>
<MenuItemImpl
v-bind="itemProps"
role="menuitemcheckbox"
:aria-checked="isIndeterminate(checkedState) ? 'mixed' : checkedState"
:data-state="getCheckedState(checkedState)"
@select="handleSelect"
>
<slot />
</MenuItemImpl>
</template>