CraftCMS - get the webp/jpeg version of a a sourceset.

media.twig

{% macro imageSourceTags( image ) %}

	{% if image.extension is defined  %}

	{% if image | length >= 1  and image.extension != 'svg'  %}
		{% set formats = ['webp', 'jpg'] %}
		{% for format in formats %}
			{% set srcset = image.getSrcset([185, 576, 768, 960, 1454, 1920, 2560], { format: format }) %}
			<source srcset="{{ srcset }}" type="image/{{ format }}" sizes="100vw">
		{% endfor %}
	{% endif %}

	{% endif %}

{% endmacro %}