From 23fde6288d4d77ea9d95571b7a761a8c465312a8 Mon Sep 17 00:00:00 2001
From: "A. Skrobov" <tyomitch@gmail.com>
Date: Wed, 18 Nov 2020 14:54:43 +0200
Subject: [PATCH] Core: Fix validation for input type="date" (#2359)

Test case contributed by @nenadvicentic
---
 src/core.js   | 2 +-
 test/rules.js | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/core.js b/src/core.js
index 5c95eb7e2..34540bf88 100644
--- a/src/core.js
+++ b/src/core.js
@@ -1215,7 +1215,7 @@ $.extend( $.validator, {
 
 			// Exception: the jquery validate 'range' method
 			// does not test for the html5 'range' type
-			rules[ method ] = true;
+			rules[ type === "date" ? "dateISO" : method ] = true;
 		}
 	},
 
diff --git a/test/rules.js b/test/rules.js
index 178f810b2..364557149 100644
--- a/test/rules.js
+++ b/test/rules.js
@@ -424,3 +424,8 @@ QUnit.test( "required method should return false for undefined & null values", f
 	assert.notOk( v.element( username ), "The username element should be invalid" );
 	assert.notOk( v.element( urlc ), "The urlc element should be invalid" );
 } );
+
+QUnit.test( "rules() - returns dateISO for input type=date", function( assert ) {
+	$( "#rangesMinDateInvalid" ).validate();
+	assert.deepEqual( $( "#minDateInvalid" ).rules(), { dateISO: true, min: "2012-12-21" } );
+} );