改行に合わせて高さが変わるテキストエリア「vue-textarea-autosize」

by kabanoki

HTML

<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue-textarea-autosize.umd.min.js"></script>
<div id="app">
  <textarea-autosize
    placeholder="ここに入力"
    ref="myTextarea"
    v-model="value"
    :min-height="70"
    :max-height="250"
  ></textarea-autosize>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.10/vue.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue-textarea-autosize.umd.min.js"></script>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
  text-align: center;
}

textarea {
  width: 60%;
}

Vue

const VueTextareaAutosize = window.VueTextareaAutosize;

Vue.use(VueTextareaAutosize);


new Vue({
	el: '#app',
  data: {
    value: ''
  }
});