tabler/preview/pages/_includes/ui/form/input-icon.html

{% capture addon %}
	{% if include.loader %}
		<span class="input-icon-addon{% if include.icon-class %} {{ include.icon-class }}{% endif %}">
			{% include "ui/spinner.html" class="text-secondary" size="sm" %}
		</span>
	{% else %}
		{% assign icon = include.icon | default: 'search' %}
		<span class="input-icon-addon{% if include.icon-class %} {{ include.icon-class }}{% endif %}">
			{% include "ui/icon.html" icon=icon %}
		</span>
	{% endif %}
{% endcapture %}

<div class="input-icon{% if include.class %} {{ include.class }}{% endif %}">
	{% if include.prepend %}
		{{ addon }}
	{% endif %}

	<input type="text" value="{{ include.value }}" class="form-control{% if include.light %} form-control-light{% endif %}{% if include.rounded %} form-control-rounded{% endif %}{% if include.input-class %} {{ include.input-class }}{% endif %}" placeholder="{{ include.placeholder | default: 'Search…' }}"{% if include['aria-label'] %} aria-label="{{ include['aria-label'] }}"{% endif %}{% if include.readonly %} readonly{% endif %}>

	{% unless include.prepend %}
		{{ addon }}
	{% endunless %}
</div>