import-maps/not-as-classic-script.html - external/w3c/web-platform-tests - Git at Google

 <!DOCTYPE html>
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>

 <script>
 setup({allow_uncaught_exception : true});

 const t_parse = async_test("Import maps shouldn't be parsed as scripts");
 const t_evaluate = async_test("Import maps shouldn't be executed as scripts");
 const t_external = async_test(
    "External import maps shouldn't be executed as scripts");

 const errorHandler = event => {
   event.preventDefault();
   t_parse.unreached_func("An import map is parsed as a classic script")();
 };

 window.addEventListener("error", errorHandler, {once: true});
 </script>

 <!-- This import map causes a parse error when parsed as a classic script. -->
 <script type="importmap">
 {
   "imports": {
   }
 }
 </script>

 <script>
 // Remove error handler, because the following import map can causes parse
 // error.
 window.removeEventListener("error", errorHandler);
 </script>

 <script type="importmap">
 t_evaluate.unreached_func("An import map is evaluated")();
 </script>

 <script type="importmap" src="data:text/javascript,t_external.unreached_func('An external import map is evaluated')();"></script>

 <script>
 t_parse.done();
 t_evaluate.done();
 t_external.done();
 </script>
	<!DOCTYPE html>
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>

	<script>
	setup({allow_uncaught_exception : true});

	const t_parse = async_test("Import maps shouldn't be parsed as scripts");
	const t_evaluate = async_test("Import maps shouldn't be executed as scripts");
	const t_external = async_test(
	"External import maps shouldn't be executed as scripts");

	const errorHandler = event => {
	event.preventDefault();
	t_parse.unreached_func("An import map is parsed as a classic script")();
	};

	window.addEventListener("error", errorHandler, {once: true});
	</script>

	<!-- This import map causes a parse error when parsed as a classic script. -->
	<script type="importmap">
	{
	"imports": {
	}
	}
	</script>

	<script>
	// Remove error handler, because the following import map can causes parse
	// error.
	window.removeEventListener("error", errorHandler);
	</script>

	<script type="importmap">
	t_evaluate.unreached_func("An import map is evaluated")();
	</script>

	<script type="importmap" src="data:text/javascript,t_external.unreached_func('An external import map is evaluated')();"></script>

	<script>
	t_parse.done();
	t_evaluate.done();
	t_external.done();
	</script>