From 497c8c43c3d8eca9147085dccc684c072598b1a1 Mon Sep 17 00:00:00 2001
From: Ciprian Stoleru <stoleru.ciprian20@gmail.com>
Date: Fri, 26 May 2023 12:53:03 +0300
Subject: [PATCH 1/5] Fix date declaration to support different systems

---
 package.json      | 5 +++--
 src/lib/isDate.js | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index 4a1034945..e9f587240 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "validator",
   "description": "String validation and sanitization",
-  "version": "13.9.0",
+  "version": "13.10.0",
   "sideEffects": false,
   "homepage": "https://github.com/validatorjs/validator.js",
   "files": [
@@ -66,7 +66,8 @@
     "build:node": "babel src -d .",
     "build": "run-p build:*",
     "pretest": "npm run build && npm run lint",
-    "test": "nyc --reporter=cobertura --reporter=text-summary mocha --require @babel/register --reporter dot --recursive"
+    "test": "nyc --reporter=cobertura --reporter=text-summary mocha --require @babel/register --reporter dot --recursive",
+    "postinstall": "npx run-p build:*"
   },
   "engines": {
     "node": ">= 0.10"
diff --git a/src/lib/isDate.js b/src/lib/isDate.js
index 8b7862e8b..106fa3586 100644
--- a/src/lib/isDate.js
+++ b/src/lib/isDate.js
@@ -47,7 +47,7 @@ export default function isDate(input, options) {
       dateObj[formatWord.charAt(0)] = dateWord;
     }
 
-    return new Date(`${dateObj.m}/${dateObj.d}/${dateObj.y}`).getDate() === +dateObj.d;
+    return new Date(parseInt(dateObj.y), parseInt(dateObj.m)-1, parseInt(dateObj.d)).getDate() === +dateObj.d;
   }
 
   if (!options.strictMode) {

From ec8b039deae17a0a5206d22d4a4bd28f239c47e1 Mon Sep 17 00:00:00 2001
From: Ciprian Stoleru <stoleru.ciprian20@gmail.com>
Date: Fri, 26 May 2023 14:09:19 +0300
Subject: [PATCH 2/5] Add postinstall

---
 package.json | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index e9f587240..4a1034945 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "validator",
   "description": "String validation and sanitization",
-  "version": "13.10.0",
+  "version": "13.9.0",
   "sideEffects": false,
   "homepage": "https://github.com/validatorjs/validator.js",
   "files": [
@@ -66,8 +66,7 @@
     "build:node": "babel src -d .",
     "build": "run-p build:*",
     "pretest": "npm run build && npm run lint",
-    "test": "nyc --reporter=cobertura --reporter=text-summary mocha --require @babel/register --reporter dot --recursive",
-    "postinstall": "npx run-p build:*"
+    "test": "nyc --reporter=cobertura --reporter=text-summary mocha --require @babel/register --reporter dot --recursive"
   },
   "engines": {
     "node": ">= 0.10"

From 21b07a678b3a49673c5fbb2defb4b8256b74ec0a Mon Sep 17 00:00:00 2001
From: Ciprian Stoleru <stoleru.ciprian20@gmail.com>
Date: Tue, 6 Jun 2023 15:29:52 +0300
Subject: [PATCH 3/5] Support YY format

---
 src/lib/isDate.js | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/lib/isDate.js b/src/lib/isDate.js
index 106fa3586..601db960a 100644
--- a/src/lib/isDate.js
+++ b/src/lib/isDate.js
@@ -47,7 +47,19 @@ export default function isDate(input, options) {
       dateObj[formatWord.charAt(0)] = dateWord;
     }
 
-    return new Date(parseInt(dateObj.y), parseInt(dateObj.m)-1, parseInt(dateObj.d)).getDate() === +dateObj.d;
+    let fullYear = dateObj.y;
+
+    if (dateObj.y.length === 2) {
+      const currentYearLastTwoDigits = new Date().getFullYear() % 100;
+
+      if (parseInt(dateObj.y, 10) < currentYearLastTwoDigits) {
+        fullYear = `20${dateObj.y}`;
+      } else {
+        fullYear = `19${dateObj.y}`;
+      }
+    }
+
+    return new Date(`${fullYear}-${dateObj.m}-${dateObj.d}`).getDate() === +dateObj.d;
   }
 
   if (!options.strictMode) {

From af7e4039b21d4d2cb5b0468c65505b4142bbbb6a Mon Sep 17 00:00:00 2001
From: Ciprian Stoleru <stoleru.ciprian20@gmail.com>
Date: Tue, 6 Jun 2023 16:03:55 +0300
Subject: [PATCH 4/5] Cover edge case

---
 src/lib/isDate.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/lib/isDate.js b/src/lib/isDate.js
index 601db960a..9f1c6926b 100644
--- a/src/lib/isDate.js
+++ b/src/lib/isDate.js
@@ -50,9 +50,15 @@ export default function isDate(input, options) {
     let fullYear = dateObj.y;
 
     if (dateObj.y.length === 2) {
+      const parsedYear = parseInt(dateObj.y, 10);
+
+      if (isNaN(parsedYear)) {
+        return false;
+      }
+
       const currentYearLastTwoDigits = new Date().getFullYear() % 100;
 
-      if (parseInt(dateObj.y, 10) < currentYearLastTwoDigits) {
+      if (parsedYear < currentYearLastTwoDigits) {
         fullYear = `20${dateObj.y}`;
       } else {
         fullYear = `19${dateObj.y}`;

From 81d78d50d64712d045bfc49afcddbf6d2fb9e460 Mon Sep 17 00:00:00 2001
From: Ciprian Stoleru <stoleru.ciprian20@gmail.com>
Date: Tue, 6 Jun 2023 16:40:25 +0300
Subject: [PATCH 5/5] Add tests

---
 test/validators.test.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/validators.test.js b/test/validators.test.js
index 937b52a26..655f370b2 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -12803,6 +12803,7 @@ describe('Validators', () => {
         '15/7/2002',
         '15-7-2002',
         '15/07-02',
+        '30/04/--',
       ],
     });
     test({
@@ -12817,6 +12818,7 @@ describe('Validators', () => {
         '15/7/02',
         '15-7-02',
         '5/7-02',
+        '3/4/aa',
       ],
     });
     test({