fix: expanded test cases for datetime validation and updated validation regex

Author: MarcoKorinth

src/formats.ts

@@ -102,7 +102,7 @@ export const fastFormats: DefinedFormats = {
     compareTime
   ),
   "date-time": fmtDef(
-    /^\d\d\d\d-[0-1]\d-[0-3]\d[tT](?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:[zZ]|[+-][0-2]\d:[0-5]\d)$/,
+    /^\d\d\d\d-((0[1-9])|(1[0-2]))-((0[1-9])|([1-2]\d)|(3[01]))[tT](?:(([0-1]\d)|(2[0-3])):[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:[zZ]|[+-](([0-1]\d)|(2[0-3])):[0-5]\d)$/,
     compareDateTime
   ),
   "iso-time": fmtDef(

tests/index.spec.ts

@@ -38,8 +38,28 @@ describe("addFormats options", () => {
 
     const validateDatetime = ajv.compile({format: "date-time"})
     expect(validateDatetime("2016-12-31T23:59:60Z")).toEqual(true)
-    expect(validateDatetime("2016-15-31T23:59:60Z")).toEqual(true)
+    expect(validateDatetime("2015-12-31t23:59:60Z")).toEqual(true)
+    expect(validateDatetime("2015-02-11t22:59:22Z")).toEqual(true)
+    expect(validateDatetime("2020-01-01T20:00:00.000Z")).toEqual(true)
+    expect(validateDatetime("2020-01-01T20:00:00.000Z")).toEqual(true)
+    expect(validateDatetime("2023-05-04T01:14:00+21:00")).toEqual(true)
+    expect(validateDatetime("2023-05-04T01:14:10+16:20")).toEqual(true)
+    expect(validateDatetime("2023-05-04T01:14:21+09:50")).toEqual(true)
+    expect(validateDatetime("2023-05-04T01:14:21-04:31")).toEqual(true)
+    expect(validateDatetime("2023-05-04T01:14:21-04:31")).toEqual(true)
+    expect(validateDatetime("2016-15-31T23:59:60Z")).toEqual(false)
+    expect(validateDatetime("2015-00-11t22:59:22+00:00")).toEqual(false)
+    expect(validateDatetime("2015-01-00T22:59:22+00:00")).toEqual(false)
     expect(validateDatetime("2016-12-31 23:59:60Z")).toEqual(false)
+    expect(validateDatetime("2015-02-11t24:59:22Z")).toEqual(false)
+    expect(validateDatetime("2020-01-01 20:00:00.000")).toEqual(false)
+    expect(validateDatetime("2020-01-01 20:00:00.000Z")).toEqual(false)
+    expect(validateDatetime("2023-05-04\t01:14:00+21:00")).toEqual(false)
+    expect(validateDatetime("2023-05-04\r01:14:10+16:20")).toEqual(false)
+    expect(validateDatetime("2015-02-11t22:59:22+24:30")).toEqual(false)
+    expect(validateDatetime("2023-05-04\n01:14:21+09:50")).toEqual(false)
+    expect(validateDatetime("2023-05-04\n01:14:21-04:31")).toEqual(false)
+    expect(validateDatetime("2023-05-04t01:14:21-04:31:00")).toEqual(false)
   })
 })