salix/front/core/components/textarea/textarea.html

<div class="mdl-textfield mdl-js-textfield">
    <textarea
        class="mdl-textfield__input"
        type="text"
        ng-disabled="$ctrl.disabled"
        ng-model="$ctrl.model">
    </textarea>
    <label class="mdl-textfield__label placeholder" translate>{{$ctrl.label}}</label>
</div>