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<BaseRequiredField
is="v-text-field"
:model-value="internalValue"
@update:model-value="onUpdate"
:label-key="labelKey"
:label="label"
:required="required"
type="number"
:inputmode="integer ? 'numeric' : 'decimal'"
:step="stepComputed"
:min="min"
:max="max"
v-bind="$attrs"
/>
</template>
<script setup lang="ts">
// region import
import { computed } from 'vue'
import BaseRequiredField from './BaseRequiredField.vue'
// endregion import
// region Component
defineOptions({ name: 'RequiredNumber' })
// endregion Component
// region types
// endregion types
// region interface
// endregion interface
// region props
const props = withDefaults(defineProps<{
modelValue?: number | null
labelKey?: string
label?: string
required?: boolean
/** 整数のみか（true なら小数禁止） */
integer?: boolean
/** 小数点以下の桁数（例: 2 => 0.01ステップ） */
precision?: number
min?: number
max?: number
}>(), {
required: false,
integer: false,
precision: undefined,
min: undefined,
max: undefined,
})
// endregion props
// region emits
const emit = defineEmits<{
(e: 'update:modelValue', v: number | null): void
}>()
// endregion emits
// region expose
// endregion expose
// region slots
// endregion slots
// region i18n
// endregion i18n
// region router
// endregion router
// region store
// endregion store
// region consts
// Vuetifyのv-text-fieldは内部的にstringが来ることがあるため、表示用はそのまま。
const internalValue = computed(() => props.modelValue)
// endregion consts
// region state
// endregion state
// region computed
const stepComputed = computed(() => {
if (props.integer) return 1
if (props.precision !== undefined) {
const p = Math.max(0, Math.floor(props.precision))
return Number('0.' + '0'.repeat(Math.max(0, p - 1)) + '1') // 例: p=2 -> 0.01
}
return 'any' as any
})
// endregion computed
// region validation
// endregion validation
// region watchers
// endregion watchers
// region effects
// endregion effects
// region permissions
// endregion permissions
// region api
// endregion api
// region handlers
function onUpdate(v: any) {
// 空扱い: '', null, undefined => null
if (v === '' || v === null || v === undefined) {
emit('update:modelValue', null)
return
}
// 数値化
const n = props.integer ? parseInt(v, 10) : Number(v)
if (Number.isNaN(n)) {
// 不正値は変更しない（直前の値を維持）
return
}
// min/max を軽くガード
if (props.min !== undefined && n < props.min) {
emit('update:modelValue', props.min)
return
}
if (props.max !== undefined && n > props.max) {
emit('update:modelValue', props.max)
return
}
emit('update:modelValue', n)
}
// endregion handlers
// region lifecycle
// endregion lifecycle
// region provide
// endregion provide
// region inject
// endregion inject
// region expose-public
// endregion expose-public
// region devtools
// endregion devtools
// region test-ids
// endregion test-ids
// region variable
// endregion variable
// region properties
// endregion properties
// region methods
// endregion methods
// region export
// endregion export
</script>
<style scoped>
</style>
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