Fix chips input component

src/components/forms/ChipsInput.vue

@@ -1,10 +1,10 @@
 <template>
-  <div class="flex flex-wrap items-center input-field gap-1">
-    <div v-for="(chip, i) in internalValue" :key="i" class="flex gap-2.5 items-center bg-cyan rounded py-1 px-2">
+  <div class="flex flex-wrap items-center input-field gap-1" @click="focusInput">
+    <div v-for="(chip, i) in internalValue" :key="i" class="flex gap-2.5 items-center bg-cyan rounded py-1 px-2" role="listitem">
       <span class="text-xs text-white">{{ chip }}</span>
-      <button type="button" class="text-xs cursor-pointer text-white font-light font-default not-italic hover:text-gray-50" @click="deleteChip(i)" aria-label="Remove chip">×</button>
+      <button type="button" class="text-xs cursor-pointer text-white font-light font-default not-italic hover:text-gray-50" @click.stop="deleteChip(i)" aria-label="Remove tag">×</button>
     </div>
-    <input class="outline-none border-none p-1 text-gray-300" placeholder="Tag name" v-model="currentInput" @keypress.enter.prevent="addChip" @keydown.backspace="handleBackspace" />
+    <input ref="inputRef" class="outline-none border-none p-1 text-gray-300 min-w-[60px] flex-grow" :placeholder="placeholder" v-model.trim="currentInput" @keydown="handleKeydown" @paste="handlePaste" :maxlength="maxChipLength" aria-label="Add new tag" />
   </div>
 </template>
 
@@ -14,20 +14,29 @@ import type { Ref } from 'vue'
 
 interface Props {
   modelValue?: string[]
+  maxChips?: number
+  maxChipLength?: number
+  placeholder?: string
+  allowDuplicates?: boolean
 }
 
 const props = withDefaults(defineProps<Props>(), {
-  modelValue: () => []
+  modelValue: () => [],
+  maxChips: 10,
+  maxChipLength: 20,
+  placeholder: 'Add tag',
+  allowDuplicates: false
 })
 
 const emit = defineEmits<{
   (e: 'update:modelValue', value: string[]): void
+  (e: 'error', message: string): void
 }>()
 
 const currentInput: Ref<string> = ref('')
 const internalValue = ref<string[]>([])
+const inputRef = ref<HTMLInputElement | null>(null)
 
-// Initialize internalValue with props.modelValue
 watch(
   () => props.modelValue,
   (newValue) => {
@@ -36,9 +45,27 @@ watch(
   { immediate: true }
 )
 
+const validateChip = (chip: string): boolean => {
+  if (!chip) {
+    return false
+  }
+
+  if (!props.allowDuplicates && internalValue.value.includes(chip)) {
+    emit('error', 'Duplicate tags are not allowed')
+    return false
+  }
+
+  if (internalValue.value.length >= props.maxChips) {
+    emit('error', `Maximum ${props.maxChips} tags allowed`)
+    return false
+  }
+
+  return true
+}
+
 const addChip = () => {
   const trimmedInput = currentInput.value.trim()
-  if (trimmedInput && !internalValue.value.includes(trimmedInput)) {
+  if (validateChip(trimmedInput)) {
     internalValue.value.push(trimmedInput)
     emit('update:modelValue', internalValue.value)
     currentInput.value = ''
@@ -50,10 +77,36 @@ const deleteChip = (index: number) => {
   emit('update:modelValue', internalValue.value)
 }
 
-const handleBackspace = (event: KeyboardEvent) => {
-  if (event.key === 'Backspace' && currentInput.value === '' && internalValue.value.length > 0) {
-    internalValue.value.pop()
-    emit('update:modelValue', internalValue.value)
+const handleKeydown = (event: KeyboardEvent) => {
+  switch (event.key) {
+    case 'Enter':
+      event.preventDefault()
+      addChip()
+      break
+    case 'Backspace':
+      if (currentInput.value === '' && internalValue.value.length > 0) {
+        deleteChip(internalValue.value.length - 1)
+      }
+      break
   }
 }
+
+const handlePaste = (event: ClipboardEvent) => {
+  event.preventDefault()
+  const pastedText = event.clipboardData?.getData('text')
+  if (pastedText) {
+    const chips = pastedText
+      .split(/[,\n]/)
+      .map((chip) => chip.trim())
+      .filter(Boolean)
+    chips.forEach((chip) => {
+      currentInput.value = chip
+      addChip()
+    })
+  }
+}
+
+const focusInput = () => {
+  inputRef.value?.focus()
+}
 </script>