feat(SelectMenu): add selected to label / leading / trailing slots props (#1349)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/runtime/components/forms/SelectMenu.vue

@@ -4,7 +4,7 @@
     v-slot="{ open }"
     :by="by"
     :name="name"
-    :model-value="modelValue"
+    :model-value="multiple ? (Array.isArray(modelValue) ? modelValue : []) : modelValue"
     :multiple="multiple"
     :disabled="disabled"
     as="div"
@@ -30,18 +30,18 @@
       <slot :open="open" :disabled="disabled" :loading="loading">
         <button :id="inputId" :class="selectClass" :disabled="disabled" type="button" v-bind="attrs">
           <span v-if="(isLeading && leadingIconName) || $slots.leading" :class="leadingWrapperIconClass">
-            <slot name="leading" :disabled="disabled" :loading="loading">
+            <slot name="leading" :selected="selected" :disabled="disabled" :loading="loading">
               <UIcon :name="leadingIconName" :class="leadingIconClass" />
             </slot>
           </span>
 
-          <slot name="label">
+          <slot name="label" :selected="selected">
             <span v-if="label" :class="uiMenu.label">{{ label }}</span>
             <span v-else :class="uiMenu.label">{{ placeholder || '&nbsp;' }}</span>
           </slot>
 
           <span v-if="(isTrailing && trailingIconName) || $slots.trailing" :class="trailingWrapperIconClass">
-            <slot name="trailing" :disabled="disabled" :loading="loading">
+            <slot name="trailing" :selected="selected" :disabled="disabled" :loading="loading">
               <UIcon :name="trailingIconName" :class="trailingIconClass" aria-hidden="true" />
             </slot>
           </span>
@@ -68,15 +68,15 @@
             <component
               :is="searchable ? 'HComboboxOption' : 'HListboxOption'"
               v-for="(option, index) in filteredOptions"
-              v-slot="{ active, selected, disabled: optionDisabled }"
+              v-slot="{ active, selected: optionSelected, disabled: optionDisabled }"
               :key="index"
               as="template"
               :value="valueAttribute ? option[valueAttribute] : option"
               :disabled="option.disabled"
             >
-              <li :class="[uiMenu.option.base, uiMenu.option.rounded, uiMenu.option.padding, uiMenu.option.size, uiMenu.option.color, active ? uiMenu.option.active : uiMenu.option.inactive, selected && uiMenu.option.selected, optionDisabled && uiMenu.option.disabled]">
+              <li :class="[uiMenu.option.base, uiMenu.option.rounded, uiMenu.option.padding, uiMenu.option.size, uiMenu.option.color, active ? uiMenu.option.active : uiMenu.option.inactive, optionSelected && uiMenu.option.selected, optionDisabled && uiMenu.option.disabled]">
                 <div :class="uiMenu.option.container">
-                  <slot name="option" :option="option" :active="active" :selected="selected">
+                  <slot name="option" :option="option" :active="active" :selected="optionSelected">
                     <UIcon v-if="option.icon" :name="option.icon" :class="[uiMenu.option.icon.base, active ? uiMenu.option.icon.active : uiMenu.option.icon.inactive, option.iconClass]" aria-hidden="true" />
                     <UAvatar
                       v-else-if="option.avatar"
@@ -90,16 +90,16 @@
                   </slot>
                 </div>
 
-                <span v-if="selected" :class="[uiMenu.option.selectedIcon.wrapper, uiMenu.option.selectedIcon.padding]">
+                <span v-if="optionSelected" :class="[uiMenu.option.selectedIcon.wrapper, uiMenu.option.selectedIcon.padding]">
                   <UIcon :name="selectedIcon" :class="uiMenu.option.selectedIcon.base" aria-hidden="true" />
                 </span>
               </li>
             </component>
 
-            <component :is="searchable ? 'HComboboxOption' : 'HListboxOption'" v-if="creatable && createOption" v-slot="{ active, selected }" :value="createOption" as="template">
+            <component :is="searchable ? 'HComboboxOption' : 'HListboxOption'" v-if="creatable && createOption" v-slot="{ active, selected: optionSelected }" :value="createOption" as="template">
               <li :class="[uiMenu.option.base, uiMenu.option.rounded, uiMenu.option.padding, uiMenu.option.size, uiMenu.option.color, active ? uiMenu.option.active : uiMenu.option.inactive]">
                 <div :class="uiMenu.option.container">
-                  <slot name="option-create" :option="createOption" :active="active" :selected="selected">
+                  <slot name="option-create" :option="createOption" :active="active" :selected="optionSelected">
                     <span :class="uiMenu.option.create">Create "{{ createOption[optionAttribute] }}"</span>
                   </slot>
                 </div>
@@ -335,6 +335,10 @@ export default defineComponent({
   },
   emits: ['update:modelValue', 'update:query', 'open', 'close', 'change'],
   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)
+    }
+
     const { ui, attrs } = useUI('select', toRef(props, 'ui'), config, toRef(props, 'class'))
     const { ui: uiMenu } = useUI('selectMenu', toRef(props, 'uiMenu'), configMenu)
 
@@ -358,17 +362,34 @@ export default defineComponent({
       }
     })
 
+    const selected = computed(() => {
+      if (props.multiple) {
+        if (!Array.isArray(props.modelValue) || !props.modelValue.length) {
+          return []
+        }
+
+        if (props.valueAttribute) {
+          return options.value.filter(option => (props.modelValue as any[]).includes(option[props.valueAttribute]))
+        }
+        return options.value.filter(option => (props.modelValue as any[]).includes(option))
+      }
+
+      if (props.valueAttribute) {
+        return options.value.find(option => option[props.valueAttribute] === props.modelValue)
+      }
+      return options.value.find(option => option === props.modelValue)
+    })
+
     const label = computed(() => {
       if (props.multiple) {
         if (Array.isArray(props.modelValue) && props.modelValue.length) {
-          return `${props.modelValue.length} selected`
+          return `${selected.value.length} selected`
         } else {
           return null
         }
       } else if (props.modelValue !== undefined && props.modelValue !== null) {
         if (props.valueAttribute) {
-          const option = options.value.find(option => option[props.valueAttribute] === props.modelValue)
-          return option ? option[props.optionAttribute] : null
+          return selected.value?.[props.optionAttribute] ?? null
         } else {
           return ['string', 'number'].includes(typeof props.modelValue) ? props.modelValue : props.modelValue[props.optionAttribute]
         }
@@ -543,6 +564,7 @@ export default defineComponent({
       popper,
       trigger,
       container,
+      selected,
       label,
       isLeading,
       isTrailing,