feat(InputNumber): implement component (#2577)

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

src/runtime/components/InputNumber.vue

@@ -0,0 +1,192 @@
+<script lang="ts">
+import { tv, type VariantProps } from 'tailwind-variants'
+import type { NumberFieldRootProps } from 'radix-vue'
+import type { AppConfig } from '@nuxt/schema'
+import _appConfig from '#build/app.config'
+import theme from '#build/ui/input-number'
+import type { ButtonProps } from '../types'
+
+const appConfig = _appConfig as AppConfig & { ui: { inputNumber: Partial<typeof theme> } }
+
+const inputNumber = tv({ extend: tv(theme), ...(appConfig.ui?.inputNumber || {}) })
+
+type InputNumberVariants = VariantProps<typeof inputNumber>
+
+export interface InputNumberProps extends Pick<NumberFieldRootProps, 'modelValue' | 'defaultValue' | 'min' | 'max' | 'step' | 'disabled' | 'required' | 'id' | 'name' | 'formatOptions'> {
+  /**
+   * The element or component this component should render as.
+   * @defaultValue 'div'
+   */
+  as?: any
+  class?: any
+  /** The placeholder text when the input is empty. */
+  placeholder?: string
+  ui?: Partial<typeof inputNumber.slots>
+  color?: InputNumberVariants['color']
+  variant?: InputNumberVariants['variant']
+  size?: InputNumberVariants['size']
+  /** Highlight the ring color like a focus state. */
+  highlight?: boolean
+  /**
+   * The orientation of the input menu.
+   * @defaultValue 'horizontal'
+   */
+  orientation?: 'vertical' | 'horizontal'
+  /**
+   * Configure the increment button. The `color` and `size` are inherited.
+   * @defaultValue { variant: 'link' }
+   */
+  increment?: ButtonProps
+  /**
+   * The icon displayed to increment the value.
+   * @defaultValue appConfig.ui.icons.plus
+   */
+  incrementIcon?: string
+  /**
+   * Configure the decrement button. The `color` and `size` are inherited.
+   * @defaultValue { variant: 'link' }
+   */
+  decrement?: ButtonProps
+  /**
+   * The icon displayed to decrement the value.
+   * @defaultValue appConfig.ui.icons.minus
+   */
+  decrementIcon?: string
+  autofocus?: boolean
+  autofocusDelay?: number
+  /**
+   * The locale to use for formatting and parsing numbers.
+   * @defaultValue UApp.locale.code
+   */
+  locale?: string
+}
+
+export interface InputNumberEmits {
+  (e: 'update:modelValue', payload: number): void
+  (e: 'blur', event: FocusEvent): void
+  (e: 'change', payload: Event): void
+}
+
+export interface InputNumberSlots {
+  increment(props?: {}): any
+  decrement(props?: {}): any
+}
+</script>
+
+<script setup lang="ts">
+import { onMounted, ref, computed } from 'vue'
+import { NumberFieldRoot, NumberFieldInput, NumberFieldDecrement, NumberFieldIncrement, useForwardPropsEmits } from 'radix-vue'
+import { reactivePick } from '@vueuse/core'
+import { useFormField } from '../composables/useFormField'
+import { useLocale } from '../composables/useLocale'
+import UButton from './Button.vue'
+
+defineOptions({ inheritAttrs: false })
+
+const props = withDefaults(defineProps<InputNumberProps>(), {
+  orientation: 'horizontal'
+})
+const emits = defineEmits<InputNumberEmits>()
+defineSlots<InputNumberSlots>()
+
+const rootProps = useForwardPropsEmits(reactivePick(props, 'as', 'modelValue', 'defaultValue', 'min', 'max', 'step', 'formatOptions'), emits)
+
+const { emitFormBlur, emitFormChange, emitFormInput, id, color, size, name, highlight, disabled } = useFormField<InputNumberProps>(props)
+
+const { t, code: codeLocale } = useLocale()
+const locale = computed(() => props.locale || codeLocale.value)
+
+const ui = computed(() => inputNumber({
+  color: color.value,
+  variant: props.variant,
+  size: size.value,
+  highlight: highlight.value,
+  orientation: props.orientation
+}))
+
+const incrementIcon = computed(() => props.incrementIcon || (props.orientation === 'horizontal' ? appConfig.ui.icons.plus : appConfig.ui.icons.chevronUp))
+const decrementIcon = computed(() => props.decrementIcon || (props.orientation === 'horizontal' ? appConfig.ui.icons.minus : appConfig.ui.icons.chevronDown))
+
+const inputRef = ref<InstanceType<typeof NumberFieldInput> | null>(null)
+
+function autoFocus() {
+  if (props.autofocus) {
+    inputRef.value?.$el?.focus()
+  }
+}
+
+onMounted(() => {
+  setTimeout(() => {
+    autoFocus()
+  }, props.autofocusDelay)
+})
+
+function onUpdate(value: number) {
+  // @ts-expect-error - 'target' does not exist in type 'EventInit'
+  const event = new Event('change', { target: { value } })
+  emits('change', event)
+
+  emitFormChange()
+  emitFormInput()
+}
+
+function onBlur(event: FocusEvent) {
+  emitFormBlur()
+  emits('blur', event)
+}
+
+defineExpose({
+  inputRef
+})
+</script>
+
+<template>
+  <NumberFieldRoot
+    v-bind="rootProps"
+    :id="id"
+    :class="ui.root({ class: [props.class, props.ui?.root] })"
+    :name="name"
+    :disabled="disabled"
+    :locale="locale"
+    @update:model-value="onUpdate"
+  >
+    <NumberFieldInput
+      v-bind="$attrs"
+      ref="inputRef"
+      :placeholder="placeholder"
+      :required="required"
+      :class="ui.base({ class: props.ui?.base })"
+      @blur="onBlur"
+    />
+
+    <div :class="ui.increment({ class: props.ui?.increment })">
+      <NumberFieldIncrement as-child :disabled="disabled">
+        <slot name="increment">
+          <UButton
+            :icon="incrementIcon"
+            :color="color"
+            :size="size"
+            variant="link"
+            :aria-label="t('inputNumber.increment')"
+            v-bind="typeof increment === 'object' ? increment : undefined"
+          />
+        </slot>
+      </NumberFieldIncrement>
+    </div>
+
+    <div :class="ui.decrement({ class: props.ui?.decrement })">
+      <NumberFieldDecrement as-child :disabled="disabled">
+        <slot name="decrement">
+          <UButton
+            :icon="decrementIcon"
+            :color="color"
+            :size="size"
+            variant="link"
+            :aria-label="t('inputNumber.decrement')"
+            v-bind="typeof decrement === 'object' ? decrement : undefined"
+          />
+        </slot>
+      </NumberFieldDecrement>
+    </div>
+  </NumberFieldRoot>
+</template>