feat(SelectMenu): add clearable

docs/components/content/examples/SelectMenuExampleClearable.vue

@@ -0,0 +1,102 @@
+<script setup lang="ts">
+const options = ref([
+  { id: 1, name: 'bug', color: 'd73a4a' },
+  { id: 2, name: 'documentation', color: '0075ca' },
+  { id: 3, name: 'duplicate', color: 'cfd3d7' },
+  { id: 4, name: 'enhancement', color: 'a2eeef' },
+  { id: 5, name: 'good first issue', color: '7057ff' },
+  { id: 6, name: 'help wanted', color: '008672' },
+  { id: 7, name: 'invalid', color: 'e4e669' },
+  { id: 8, name: 'question', color: 'd876e3' },
+  { id: 9, name: 'wontfix', color: 'ffffff' }
+])
+
+const selected = ref([])
+
+const labels = computed({
+  get: () => selected.value,
+  set: async (labels) => {
+    const promises = labels.map(async (label) => {
+      if (label.id) {
+        return label
+      }
+
+      // In a real app, you would make an API call to create the label
+      const response = {
+        id: options.value.length + 1,
+        name: label.name,
+        color: generateColorFromString(label.name)
+      }
+
+      options.value.push(response)
+
+      return response
+    })
+
+    selected.value = await Promise.all(promises)
+  }
+})
+
+function hashCode(str) {
+  let hash = 0
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash)
+  }
+  return hash
+}
+
+function intToRGB(i) {
+  const c = (i & 0x00FFFFFF)
+    .toString(16)
+    .toUpperCase()
+
+  return '00000'.substring(0, 6 - c.length) + c
+}
+
+function generateColorFromString(str) {
+  return intToRGB(hashCode(str))
+}
+</script>
+
+<template>
+  <USelectMenu
+    v-model="labels"
+    by="id"
+    name="labels"
+    :options="options"
+    option-attribute="name"
+    clearable
+    multiple
+    searchable
+    creatable
+  >
+    <template #label>
+      <template v-if="labels.length">
+        <span class="flex items-center -space-x-1">
+          <span v-for="label of labels" :key="label.id" class="flex-shrink-0 w-2 h-2 mt-px rounded-full" :style="{ background: `#${label.color}` }" />
+        </span>
+        <span>{{ labels.length }} label{{ labels.length > 1 ? 's' : '' }}</span>
+      </template>
+      <template v-else>
+        <span class="text-gray-500 dark:text-gray-400 truncate">Select labels</span>
+      </template>
+    </template>
+
+    <template #option="{ option }">
+      <span
+        class="flex-shrink-0 w-2 h-2 mt-px rounded-full"
+        :style="{ background: `#${option.color}` }"
+      />
+      <span class="truncate">{{ option.name }}</span>
+    </template>
+
+    <template #option-create="{ option }">
+      <span class="flex-shrink-0">New label:</span>
+      <span
+        class="flex-shrink-0 w-2 h-2 mt-px rounded-full -mx-1"
+        :style="{ background: `#${generateColorFromString(option.name)}` }"
+      />
+      <span class="block truncate">{{ option.name }}</span>
+    </template>
+  </USelectMenu>
+</template>

docs/components/content/examples/SelectMenuExampleClearableCustomization.vue

@@ -0,0 +1,105 @@
+<script setup lang="ts">
+const options = ref([
+  { id: 1, name: 'bug', color: 'd73a4a' },
+  { id: 2, name: 'documentation', color: '0075ca' },
+  { id: 3, name: 'duplicate', color: 'cfd3d7' },
+  { id: 4, name: 'enhancement', color: 'a2eeef' },
+  { id: 5, name: 'good first issue', color: '7057ff' },
+  { id: 6, name: 'help wanted', color: '008672' },
+  { id: 7, name: 'invalid', color: 'e4e669' },
+  { id: 8, name: 'question', color: 'd876e3' },
+  { id: 9, name: 'wontfix', color: 'ffffff' }
+])
+
+const selected = ref([])
+
+const labels = computed({
+  get: () => selected.value,
+  set: async (labels) => {
+    const promises = labels.map(async (label) => {
+      if (label.id) {
+        return label
+      }
+
+      // In a real app, you would make an API call to create the label
+      const response = {
+        id: options.value.length + 1,
+        name: label.name,
+        color: generateColorFromString(label.name)
+      }
+
+      options.value.push(response)
+
+      return response
+    })
+
+    selected.value = await Promise.all(promises)
+  }
+})
+
+function hashCode(str) {
+  let hash = 0
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash)
+  }
+  return hash
+}
+
+function intToRGB(i) {
+  const c = (i & 0x00FFFFFF)
+    .toString(16)
+    .toUpperCase()
+
+  return '00000'.substring(0, 6 - c.length) + c
+}
+
+function generateColorFromString(str) {
+  return intToRGB(hashCode(str))
+}
+</script>
+
+<template>
+  <USelectMenu
+    v-model="labels"
+    by="id"
+    name="labels"
+    :options="options"
+    option-attribute="name"
+    clearable
+    multiple
+    searchable
+    creatable
+  >
+    <template #label>
+      <template v-if="labels.length">
+        <span class="flex items-center -space-x-1">
+          <span v-for="label of labels" :key="label.id" class="flex-shrink-0 w-2 h-2 mt-px rounded-full" :style="{ background: `#${label.color}` }" />
+        </span>
+        <span>{{ labels.length }} label{{ labels.length > 1 ? 's' : '' }}</span>
+      </template>
+      <template v-else>
+        <span class="text-gray-500 dark:text-gray-400 truncate">Select labels</span>
+      </template>
+    </template>
+
+    <template #option="{ option }">
+      <span
+        class="flex-shrink-0 w-2 h-2 mt-px rounded-full"
+        :style="{ background: `#${option.color}` }"
+      />
+      <span class="truncate">{{ option.name }}</span>
+    </template>
+
+    <template #option-create="{ option }">
+      <span class="flex-shrink-0">New label:</span>
+      <span
+        class="flex-shrink-0 w-2 h-2 mt-px rounded-full -mx-1"
+        :style="{ background: `#${generateColorFromString(option.name)}` }"
+      />
+      <span class="block truncate">{{ option.name }}</span>
+    </template>
+    <template #clearable="{ onClear }">
+      <UButton icon="i-heroicons-trash-20-solid" size="xs" class="text-gray-400 dark:text-gray-500" variant="ghost" @click.capture.stop="onClear" />
+    </template>
+  </USelectMenu>
+</template>

docs/content/2.components/select-menu.md

@@ -156,7 +156,38 @@ Use the `searchableLazy` prop to control the immediacy of data requests.
 ---
 component: 'select-menu-example-search-async'
 componentProps:
-  class: 'w-full lg:w-48'
+   class: 'w-full lg:w-48'
+---
+::
+
+## Clearable
+The `clearable` prop allows users to easily remove their selected option(s) with a clear button.
+
+::component-example
+---
+component: 'select-menu-example-clearable'
+componentProps:
+  class: 'w-full lg:w-52'
+---
+::
+
+
+### Customization
+#### Slot Props
+The slot provides four key props:
+
+| Prop | Type | Description |
+|------|------|-------------|
+| `selected` | `Object` | The currently selected value/item in the component |
+| `disabled` | `Boolean` | Whether the component is in a disabled state |
+| `loading` | `Boolean` | Whether the component is in a loading state |
+| `onClear` | `Function` | Callback function to clear the selected value when the clear button is clicked |
+
+::component-example
+---
+component: 'select-menu-example-clearable-customization'
+componentProps:
+  class: 'w-full lg:w-52'
 ---
 ::
 

src/runtime/components/forms/SelectMenu.vue

@@ -39,6 +39,18 @@
             <span v-if="label" :class="uiMenu.label">{{ label }}</span>
             <span v-else :class="uiMenu.label">{{ placeholder || '&nbsp;' }}</span>
           </slot>
+          <span v-if="canClearValue" :class="clearableWrapperClass">
+            <slot name="clearable" :selected="selected" :disabled="disabled" :loading="loading" @clear="onClear">
+              <UButton
+                :icon="clearableIcon"
+                size="xs"
+                class="p-0"
+                :class="clearableButtonClass"
+                variant="ghost"
+                @click.capture.stop="onClear"
+              />
+            </slot>
+          </span>
 
           <span v-if="(isTrailing && trailingIconName) || $slots.trailing" :class="trailingWrapperIconClass">
             <slot name="trailing" :selected="selected" :disabled="disabled" :loading="loading">
@@ -149,6 +161,7 @@
 import { get, mergeConfig } from '../../utils'
 import { useInjectButtonGroup } from '../../composables/useButtonGroup'
 import type { SelectSize, SelectColor, SelectVariant, PopperOptions, Strategy, DeepPartial } from '../../types/index'
+import type { Button } from '../../types/button'
 // @ts-expect-error
 import appConfig from '#build/app.config'
 import { select, selectMenu } from '#ui/ui.config'
@@ -333,9 +346,18 @@
     uiMenu: {
       type: Object as PropType<DeepPartial<typeof configMenu> & { strategy?: Strategy }>,
       default: () => ({})
+    },
+    clearable: {
+      type: Boolean,
+      default: false
+    },
+    clearableIcon: {
+      type: String,
+      default: () => config.default.clerableIcon
     }
+
   },
-  emits: ['update:modelValue', 'update:query', 'open', 'close', 'change'],
+  emits: ['update:modelValue', 'update:query', 'open', 'close', 'change', 'clear'],
   setup(props, { emit, slots }) {
     if (import.meta.dev && props.multiple && !Array.isArray(props.modelValue)) {
       console.warn(`[@nuxt/ui] The USelectMenu components needs to have a modelValue of type Array when using the multiple prop. Got '${typeof props.modelValue}' instead.`, props.modelValue)
@@ -446,6 +468,23 @@
       return props.leadingIcon || props.icon
     })
 
+    const canClearValue = computed(() => props.clearable && (Array.isArray(selected.value) ? selected.value.length > 0 : !!selected.value))
+
+    const clearableWrapperClass = computed(() => {
+      return twJoin(
+        ui.value.icon.clearable.wrapper,
+        ui.value.icon.clearable.padding[size.value]
+      )
+    })
+
+    const clearableButtonClass = computed(() => {
+      return twJoin(
+        ui.value.icon.base,
+        color.value && appConfig.ui.colors.includes(color.value) && ui.value.icon.color.replaceAll('{color}', color.value),
+        props.loading && ui.value.icon.loading
+      )
+    })
+
     const trailingIconName = computed(() => {
       if (props.loading && !isLeading.value) {
         return props.loadingIcon
@@ -474,7 +513,6 @@
     const trailingWrapperIconClass = computed(() => {
       return twJoin(
         ui.value.icon.trailing.wrapper,
-        ui.value.icon.trailing.pointer,
         ui.value.icon.trailing.padding[size.value]
       )
     })
@@ -549,7 +587,7 @@
       return ['string', 'number'].includes(typeof props.modelValue) ? query.value : { [props.optionAttribute]: query.value }
     })
 
-    function clearOnClose() {
+    function handleClearSearchOnClose() {
       if (props.clearSearchOnClose) {
         query.value = ''
       }
@@ -559,7 +597,7 @@
       if (value) {
         emit('open')
       } else {
-        clearOnClose()
+        handleClearSearchOnClose()
         emit('close')
         emitFormBlur()
       }
@@ -579,6 +617,28 @@
       query.value = event.target.value
     }
 
+    function onClear() {
+      if (canClearValue.value) {
+        emit('update:modelValue', props.multiple ? [] : null)
+        emit('clear')
+        emitFormChange()
+      }
+    }
+
+    function trailingSlotProps() {
+      const slotProps: Record<string, any> = {
+        selected: selected.value,
+        loading: props.loading,
+        disabled: props.disabled
+      }
+
+      if (props.clearable) {
+        slotProps.onClear = onClear
+      }
+
+      return slotProps
+    }
+
     provideUseId(() => useId())
 
     return {
@@ -598,6 +658,7 @@
       label,
       accessor,
       isLeading,
+      onClear,
       isTrailing,
       // eslint-disable-next-line vue/no-dupe-keys
       selectClass,
@@ -612,7 +673,11 @@
       // eslint-disable-next-line vue/no-dupe-keys
       query,
       onUpdate,
-      onQueryChange
+      onQueryChange,
+      trailingSlotProps,
+      canClearValue,
+      clearableWrapperClass,
+      clearableButtonClass
     }
   }
 })