Clean up <input> typeMismatch constraint validation

lib/jsdom/living/nodes/HTMLInputElement-impl.js

@@ -1014,22 +1014,26 @@ class HTMLInputElementImpl extends HTMLElementImpl {
 
         // https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#suffering-from-a-type-mismatch
         typeMismatch: () => {
-          if (this._value === "") {
-            return false;
-          }
-          if (this.type === "email") {
+          switch (this.type) {
+            // https://html.spec.whatwg.org/multipage/input.html#url-state-(type=url)
+            // Constraint validation: While the value of the element is neither the empty string
+            // nor a valid absolute URL, the element is suffering from a type mismatch.
+            case "url":
+              if (this._value !== "" && !isValidAbsoluteURL(this._value)) {
+                return true;
+              }
+              break;
+
             // https://html.spec.whatwg.org/multipage/input.html#e-mail-state-(type=email)
             // Constraint validation [multiple=false]: While the value of the element is neither the empty
             // string nor a single valid e - mail address, the element is suffering from a type mismatch.
-
             // Constraint validation [multiple=true]: While the value of the element is not a valid e-mail address list,
             // the element is suffering from a type mismatch.
-            return !isValidEmailAddress(this._value, this.hasAttributeNS(null, "multiple"));
-          } else if (this.type === "url") {
-            // https://html.spec.whatwg.org/multipage/input.html#url-state-(type=url)
-            // Constraint validation: While the value of the element is neither the empty string
-            // nor a valid absolute URL, the element is suffering from a type mismatch.
-            return !isValidAbsoluteURL(this._value);
+            case "email":
+              if (this._value !== "" && !isValidEmailAddress(this._getValue(), this.hasAttributeNS(null, "multiple"))) {
+                return true;
+              }
+              break;
           }
           return false;
         }