Vue.js 3.x TwoInputsForm コンポーネント

• 2 つの text input を実装するエラーメッセージ表示付きコンポーネント
• v-model 対応

TwoInputsForm.js

import { computed } from 'https://cdnjs.cloudflare.com/ajax/libs/vue/3.0.11/vue.esm-browser.js';
import { getWrapClass } from 'https://wws.jp/_export/code/vuejs/vue3/form_utils?codeblock=0';
 
const TwoInputsForm = {
  template: `
    <div :class="computedFirstControlWrapperClasses" :style="controlWrapperStyles">
      <input class="form-control" :type="type"
        :class="controlClasses"
        :style="controlStyles"
        :value="firstValue"
        v-bind="$attrs"
        @input="$emit('update:firstValue', $event.target.value)"
      >
      <div :class="computedFirstMessageWrapperClasses" :style="messageWrapperStyles">
        <template v-for="msg in firstErrors">
          <span>{{ msg }}</span><br>
        </template>
      </div>
    </div>
    <div :class="computedSecondControlWrapperClasses" :style="controlWrapperStyles">
      <input class="form-control" :type="type"
        :class="controlClasses"
        :style="controlStyles"
        :value="secondValue"
        v-bind="$attrs"
        @input="$emit('update:secondValue', $event.target.value)"
      >
      <div :class="computedSecondMessageWrapperClasses" :style="messageWrapperStyles">
        <template v-for="msg in secondErrors">
          <span>{{ msg }}</span><br>
        </template>
      </div>
    </div>
  `,
  props: {
    type:                  { type: String, default: 'text' },
    firstValue:            { type: String, default: '' },
    secondValue:           { type: String, default: '' },
    firstErrors:           { type: Array,  default: [] },
    secondErrors:          { type: Array,  default: [] },
    controlWrapperClasses: { type: Array,  default: [] },
    controlWrapperStyles:  { type: Object, default: {} },
    controlClasses:        { type: Array,  default: [] },
    controlStyles:         { type: Object, default: {} },
    messageWrapperClasses: { type: Array,  default: [] },
    messageWrapperStyles:  { type: Object, default: {} },
    controlErrorClass:     { type: String, default: 'has-error' },
    messageErrorClass:     { type: String, default: 'text-danger' },
  },
  emits: ['update:firstValue', 'update:lastValue'],
  setup(props, context) {
    const computedFirstControlWrapperClasses = computed(() => {
      return getWrapClass(
        props.firstErrors,
        props.controlWrapperClasses,
        props.controlErrorClass
      )
    })
    const computedSecondControlWrapperClasses = computed(() => {
      return getWrapClass(
        props.secondErrors,
        props.controlWrapperClasses,
        props.controlErrorClass
      )
    })
    const computedFirstMessageWrapperClasses = computed(() => {
      return getWrapClass(
        props.firstErrors,
        props.messageWrapperClasses,
        props.messageErrorClass
      )
    })
    const computedSecondMessageWrapperClasses = computed(() => {
      return getWrapClass(
        props.secondErrors,
        props.messageWrapperClasses,
        props.messageErrorClass
      )
    })
    return {
      computedFirstControlWrapperClasses,
      computedFirstMessageWrapperClasses,
      computedSecondControlWrapperClasses,
      computedSecondMessageWrapperClasses
    }
  }
};
export default TwoInputsForm;

※ ここで記述されていない number や date, time などに指定可能なプロパティ min, max, step などは $attrs で input タグに自動的にバインドする.