Transform ESI to Edgestash using XBody

esi_xbody_transform.vtc

varnishtest "Transform ESI to Edgestash using XBody"

server s1 {
	rxreq
	txresp -body {

Start <esi:remove> 
... 
</esi:remove> 
<!--esi <esi:include src="/somewhere" /> --> 
<!--esi
<esi:include src=/2 />
-->
Finish

}

	rxreq
	txresp -body somewhere
	expect req.url == "/somewhere"

	rxreq
	txresp -body 2
	expect req.url == "/2"
} -start

varnish v1 -vcl+backend {
	import edgestash;
	import xbody;

	sub vcl_backend_response {
		xbody.regsub("<esi:remove>[\s\S]*?<\/esi:remove>", "");
		xbody.regsub("<!--esi([\s\S]*?)-->", "\1");
		xbody.regsub({"<esi:include src="?([\s\S]*?)"? ?\/>"}, "{{> \1 }}");
		edgestash.parse_response();
	}

	sub vcl_deliver {
		edgestash.execute();
	}
} -start

client c1 {
	txreq
	rxresp
	expect resp.status == 200
	expect resp.body ~ "Start"
	expect resp.body ~ "somewhere"
	expect resp.body ~ "Finish"
} -run