ReactコンポーネントのVue.jsへの移行

bundle exec rails webpacker:install:vue

describe('Concatenation', function() {
  describe('Initial rendering', function() {
    it('Renders the default message', async function() {
      const wrapper = shallowMount(Concatenation);

      expect(wrapper.find('h2').text()).toEqual('Try it out');
      expect(wrapper.html()).toContain('<h4>Message</h4>');
      expect(wrapper.find('textarea').element.value).toEqual(
        "It was the best of times, it was the worst of times, it was the age of wisdom..."
      );

    it('notifies the user if unicode is required and updates the UI accordingly', function() {
      const wrapper = shallowMount(Concatenation);

      wrapper.find('textarea').setValue('😀');
      expect(wrapper.find('i.color--success').exists()).toBeTruthy();
      expect(wrapper.find('#sms-composition').text()).toEqual('2 characters sent in 1 message part');
      expect(wrapper.find('code').text()).toContain('😀');

      wrapper.find('textarea').setValue('not unicode');
      expect(wrapper.find('i.color--error').exists()).toBeTruthy();
      expect(wrapper.find('#sms-composition').text()).toEqual('11 characters sent in 1 message part');
      expect(wrapper.find('code').text()).toContain('not unicode');
    });

<template>
  <div class="Vlt-box">
    <h2>Try it out</h2>

    <h4>Message</h4>
    <div class="Vlt-textarea">
      <textarea v-model="body" />
    </div>

    <div class="Vlt-margin--top2" />

    <h4>Data</h4>
    <div class="Vlt-box Vlt-box--white Vlt-box--lesspadding">
      <div class="Vlt-grid">
        <div class="Vlt-col Vlt-col--1of3">
          <b>Unicode is Required?</b>
          <i v-if="unicodeRequired" class="icon icon--large icon-check-circle color--success"></i>
          <i v-else class="icon icon--large icon-times-circle color--error"></i>
        </div>
        <div class="Vlt-col Vlt-col--2of3">
        </div>
        <hr class="hr--shorter"/>
        <div class="Vlt-col Vlt-col--1of3">
          <b>Length</b>
        </div>
        <div class="Vlt-col Vlt-col--2of3" v-html="smsComposition" id="sms-composition"></div>
      </div>
    </div>

    <h4>Parts</h4>
    <div class="Vlt-box Vlt-box--white Vlt-box--lesspadding" id="parts">
      <div v-for= "(message, index) in messages" class="Vlt-grid">
        <div class="Vlt-col Vlt-col--1of3"><b>Part {{index + 1}}</b></div>
        <div class="Vlt-col Vlt-col--2of3">
          <code>
            <span v-if="messages.length > 1">
              <span class="Vlt-badge Vlt-badge--blue">User Defined Header</span>
              <span>&nbsp;</span>
            </span>
            {{message}}
          </code>
        </div>
        <hr v-if="index + 1 !== messages.length" class="hr--shorter"/>
      </div>
    </div>
  </div>
</template>

<script>
import CharacterCounter from './character_counter';

export default {
  data: function () {
    return {
      body: 'It was the best of times, it was the worst of times, it was the age of wisdom...
    };
  },
  computed: {
    smsInfo: function() {
      return new CharacterCounter(this.body).getInfo();
    },
    messages: function() {
      return this.smsInfo.messages;
    },
    unicodeRequired: function() {
      return this.smsInfo.unicodeRequired;
    },
    smsComposition: function() {
      let count = this.smsInfo.charactersCount;
      let characters = this.pluralize('character', count);
      let messagesLength = this.messages.length;
      let parts = this.pluralize('part', messagesLength);

      return `${count} ${characters} sent in ${messagesLength} message ${parts}`;
    }
  },
  methods: {
    pluralize: function(singular, count) {
      if (count === 1) { return singular; }
      return `${singular}s`;
    }
  }
}
</script>

<style scoped>
  textarea {
    width: 100%;
    height: 150px;
    resize: vertical;
  }
  code {
    whiteSpace: normal;
    wordBreak: break-all;
 }
</style>

  // Vue.js
  <div class="Vlt-col Vlt-col--1of3">
    <b>Unicode is Required?</b>
    <i v-if="unicodeRequired" class="icon icon--large icon-check-circle color--success"></i>
    <i v-else class="icon icon--large icon-times-circle color--error"></i>
  </div>

  // React
  renderUtfIcon(required) {
    if (required) {
      return (<i className="icon icon--large icon-check-circle color--success"/>)
    } else {
      return (<i className="icon icon--large icon-times-circle color--error"/>)
    }
  }
  <div className="Vlt-col Vlt-col--1of3">
    <b>Unicode is Required?</b>
    { this.renderUtfIcon(smsInfo.unicodeRequired) }
  </div>

  data: function () {
    return {
      body: 'It was the best of times, it was the worst of times, it was the age of wisdom...'
    };
  },
  computed: {
    smsInfo: function() {
      return new CharacterCounter(this.body).getInfo();
    },
  }