update v11 code

src/index-v11.js

@@ -50,7 +50,7 @@ function getCypressCurrentSubject() {
 Cypress.Commands.add(
   'if',
   { prevSubject: true },
-  function (subject, assertion, assertionValue) {
+  function (subject, assertion, assertionValue1, assertionValue2) {
     const cmd = cy.state('current')
     debug('if', cmd.attributes, 'subject', subject, 'assertion?', assertion)
     debug('next command', cmd.next)
@@ -86,18 +86,31 @@ Cypress.Commands.add(
           const parts = assertion.split('.')
           let assertionReduced = expect(subject).to
           parts.forEach((assertionPart, k) => {
-            if (
-              k === parts.length - 1 &&
-              typeof assertionValue !== 'undefined'
-            ) {
-              assertionReduced = assertionReduced[assertionPart](assertionValue)
+            if (k === parts.length - 1) {
+              if (
+                typeof assertionValue1 !== 'undefined' &&
+                typeof assertionValue2 !== 'undefined'
+              ) {
+                assertionReduced = assertionReduced[assertionPart](
+                  assertionValue1,
+                  assertionValue2,
+                )
+              } else if (typeof assertionValue1 !== 'undefined') {
+                assertionReduced =
+                  assertionReduced[assertionPart](assertionValue1)
+              }
             } else {
               assertionReduced = assertionReduced[assertionPart]
             }
           })
         } else {
-          if (typeof assertionValue !== 'undefined') {
-            expect(subject).to.be[assertion](assertionValue)
+          if (
+            typeof assertionValue1 !== 'undefined' &&
+            typeof assertionValue2 !== 'undefined'
+          ) {
+            expect(subject).to.be[assertion](assertionValue1, assertionValue2)
+          } else if (typeof assertionValue1 !== 'undefined') {
+            expect(subject).to.be[assertion](assertionValue1)
           } else {
             expect(subject).to.be[assertion]
           }