Handle negative numbers properly to deserialize pre-1970 values

Author: GnaneshKunal

redisinsight/ui/src/utils/formatters/java-date.ts

@@ -14,6 +14,23 @@ export default class JavaDate implements JavaSerializable {
   }
 
   readResolve() {
-    return new Date(Number(this.time))
+    let timeValue: number
+
+    // Handle two's complement conversion for negative numbers
+    if (this.time > 9223372036854775807n) {
+      // If the number is larger than MAX_LONG, it's a negative number in two's complement
+      timeValue = Number(this.time - 18446744073709551616n)
+    } else {
+      timeValue = Number(this.time)
+    }
+
+    const date = new Date(timeValue)
+
+    // Validate the date
+    if (Number.isNaN(date.getTime())) {
+      throw new Error(`Invalid date value: ${timeValue} (original: ${this.time})`)
+    }
+
+    return date
   }
 }