Vue.js 3.x RadioForm コンポーネント

Radio タグのエラーメッセージ表示付きコンポーネント

RadioForm.js

import { computed } from 'https://cdnjs.cloudflare.com/ajax/libs/vue/3.0.2/vue.esm-browser.js';
import { getWrapClass, generalizeOptions } from 'https://wws.jp/_export/code/vuejs/vue3/form_utils?codeblock=0';
 
const RadioForm = {
  template: `
    <div :class="computedControlWrapperClasses" :style="controlWrapperStyles">
      <label v-for="(opt, idx) in computedOptions"
        :class="optionClasses"
        :style="optionStyles"
      >
        <input type="radio"
          :value="opt.value"
          :checked="opt.value === value"
          @change="$emit('update:value', $event.target.value)"
        >
        {{ opt.title }}
      </label>
      <div :class="computedMessageWrapperClasses" :style="messageWrapperStyles">
        <template v-for="msg in errors">
          <span>{{ msg }}</span><br>
        </template>
      </div>
    </div>
  `,
  props: {
    value:                 { type: String },
    options:               { type: Array,  default: [] },
    errors:                { type: Array,  default: [] },
    controlWrapperClasses: { type: Array,  default: [] },
    controlWrapperStyles:  { type: Object, default: {} },
    controlClasses:        { type: Array,  default: [] },
    controlStyles:         { type: Object, default: {} },
    optionClasses:         { type: Array,  default: ['radio-inline'] },
    optionStyles:          { type: Object, default: {} },
    messageWrapperClasses: { type: Array,  default: [] },
    messageWrapperStyles:  { type: Object, default: {} },
    controlErrorClass:     { type: String, default: 'has-error' },
    messageErrorClass:     { type: String, default: 'text-danger' },
  },
 
  setup(props, context) {
    const computedControlWrapperClasses = computed(() => {
      return getWrapClass(
        props.errors,
        props.controlWrapperClasses,
        props.controlErrorClass
      )
    })
 
    const computedMessageWrapperClasses = computed(() => {
      return getWrapClass(
        props.errors,
        props.messageWrapperClasses,
        props.messageErrorClass
      )
    })
 
    const computedOptions = computed(() => {
      return generalizeOptions(props.options)
    })
 
    return {
      computedControlWrapperClasses,
      computedMessageWrapperClasses,
      computedOptions
    }
  }
};
export default RadioForm;

<html><style>th, td { padding: 12px !important }</style></html>

<html><style>th, td { padding: 12px !important }</style></html>

<html>

<h3>コンポーネント実装</h3>
<radio-form
  :options="options"
  :errors="errors"
  v-model:value="boundValue"
  :control-wrapper-classes="['radio', 'col-sm-12']"
>
</radio-form>
<br>
<h3>データバインディング確認用フォーム</h3>
<radio-form
  :options="options"
  :errors="errors"
  v-model:value="boundValue"
  :control-wrapper-classes="['radio', 'col-sm-12']"
  :option-classes="['radio']"
>
</radio-form>
<input type="text" v-model="boundValue">
<button @click="clearError">ClearError</button>
<button @click="appendError">AppendError</button>
<button @click="showValue">ShowValue</button>

<script type=“module”>
import { createApp } from 'https://cdnjs.cloudflare.com/ajax/libs/vue/3.0.2/vue.esm-browser.js';
import RadioForm from '/_export/code/vuejs/vue3/radio_form?codeblock=0';

const App = {

components: {
  radioForm: RadioForm
},

data() {
  return {
    boundValue: 'AAA',

// options: ['ABC', 'XYZ', 'AAA'],

    options: [
      {title: 'ABCタイトル', value: 'ABC'},
      {title: 'XYZタイトル', value: 'XYZ'},
      {title: 'AAAタイトル', value: 'AAA'}
    ],
    errors: []
  }
},

methods: {
  clearError() {
    this.errors.splice(0, 1);
  },
  appendError() {
    this.errors.splice(0, 0, 'error message B')
  },
  showValue() {
    console.log(this.boundValue)
  }
}

}

createApp(App).mount('#app')
</script>
</html>