089 xl json dates, gpu fixes

layout/json.cfm

@@ -67,7 +67,7 @@
 		</cfloop>
 	
 		<cfset var outArray=arrayNew(1)/>
-		//copy fields to structure, renaming fields, this preserves data type
+		<!--- //copy fields to structure, renaming fields, this preserves data type --->
 		<cfloop query=#arguments.qry#>
 			<cfset var structRow=structNew()/>
 			<cfloop index="i" from="1" to=#listLen(columnsOut)#>
@@ -76,9 +76,9 @@
 			<cfset arrayAppend(outArray,structRow)/>
 		</cfloop>
 		
-		<cfreturn serializeJSON(outArray)/>
+		<cfreturn customJson(outArray)/>
 	<cfelse>
-		<cfreturn serializeJSON(arguments.qry,"struct")/>
+		<cfreturn customJson(arguments.qry,"struct")/>
 	</cfif>
 </cffunction>
 
@@ -96,4 +96,59 @@
     type="application/json"
     /><cfoutput>#query2json(ATTRIBUTES.qRead,ATTRIBUTES.convertSnakeToCamel)#</cfoutput><!--- 
 	,<cfoutput>"duration":"#(getTickCount()- msStartAt)#"</cfoutput>} --->
-<cfexit method="exittag"/>
+<cfexit method="exittag"/>
+
+<!--- *** еще добиться форматирования null, true, false 
+https://www.bennadel.com/blog/2165-returning-null-values-in-json-using-serializejson-and-coldfusion.htm
+--->
+<cfscript>
+public string function customJson(required any data) {
+    return serializeJson(formatDatesToIso(arguments.data));
+}
+
+private any function formatDatesToIso(required any input) {
+    // 1. Handle Dates (Strict verification using isValid and checking underlying type)
+    // Lucee dates are typically objects (java.util.Date / java.time). 
+    // This prevents strings like "12345" or "Yes" from being treated as dates.
+    if (isDate(arguments.input) && (isObject(arguments.input) || !isValid("integer", arguments.input))) {
+        return dateTimeFormat(arguments.input, "iso8601");
+    }
+    
+    // 2. Handle Structs (Preserve case-sensitivity using [:] syntax)
+    if (isStruct(arguments.input)) {
+        var newStruct = [Ordered: true]; // Lucee/CF literal for preserving key case
+        for (var key in arguments.input) {
+            newStruct[key] = formatDatesToIso(arguments.input[key]);
+        }
+        return newStruct;
+    }
+    
+    // 3. Handle Arrays
+    if (isArray(arguments.input)) {
+        var newArray = [];
+        for (var item in arguments.input) {
+            arrayAppend(newArray, formatDatesToIso(item));
+        }
+        return newArray;
+    }
+    
+    // 4. Handle Queries
+    if (isQuery(arguments.input)) {
+        var queryArray = [];
+        var columns = arguments.input.getColumnNames(); // Returns correct case array
+        
+        loop query="arguments.input" {
+            var rowStruct = [Ordered: true];
+            loop array="#columns#" index="col" {
+                // Safely grab cell using row coordinates
+                rowStruct[col] = formatDatesToIso(arguments.input[col][arguments.input.currentRow]);
+            }
+            arrayAppend(queryArray, rowStruct);
+        }
+        return queryArray;
+    }
+
+    // 5. Return everything else untouched (Strings, Numbers, Booleans, etc.)
+    return arguments.input;
+}
+</cfscript>