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noxious_client/src/components/forms/ChipsInput.vue

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Vue
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<template>
<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.stop="deleteChip(i)" aria-label="Remove tag">×</button>
</div>
<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>
<script setup lang="ts">
import { ref, watch } from 'vue'
import type { Ref } from 'vue'
interface Props {
modelValue?: string[]
maxChips?: number
maxChipLength?: number
placeholder?: string
allowDuplicates?: boolean
}
const props = withDefaults(defineProps<Props>(), {
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)
watch(
() => props.modelValue,
(newValue) => {
internalValue.value = newValue ? [...newValue] : []
},
{ 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 (validateChip(trimmedInput)) {
internalValue.value.push(trimmedInput)
emit('update:modelValue', internalValue.value)
currentInput.value = ''
}
}
const deleteChip = (index: number) => {
internalValue.value.splice(index, 1)
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>