TryCF Gist

trycf-gist-1772000553336-dd383a43-669e-0109-fd3f-fa240d3901b6.cfm

<cfscript>
    
private numeric function sortJsonLdKeys(any a = "", any b = "") {
	// @context comes first
	if (a == "@context") return -1;
	else if (b == "@context") return 1;

	// Meta properties like @context, @id and @type come second
	var aIsMeta = (left(arguments.a, 1) == "@");
	var bIsMeta = (left(arguments.b, 1) == "@");
	if (aIsMeta && bIsMeta) return compareNoCase(arguments.a, arguments.b);
	else if (aIsMeta) return -1;
	else if (bIsMeta) return 1;

	// IDs come third
	var aIsID = (arguments.a == "ID");
	var bIsID = (arguments.b == "ID");
	if (aIsID) return -1;
	else if (bIsID) return 1;

	aIsID = (right(arguments.a, 2) == "Id");
	bIsID = (right(arguments.b, 2) == "Id");
	if (aIsID && bIsID) return compareNoCase(arguments.a, arguments.b);
	else if (aIsID) return -1;
	else if (bIsID) return 1;

	aIsID = (left(arguments.a, 2) == "By");
	bIsID = (left(arguments.b, 2) == "By");
	if (aIsID && bIsID) return compareNoCase(arguments.a, arguments.b);
	else if (aIsID) return -1;
	else if (bIsID) return 1;

	// Timestamps come last
	var aIsTimestamp = (arguments.a == "ts" || arguments.a == "tsUpdate" || arguments.a == "timestamp" || right(arguments.a, 2) == "At");
	var bIsTimestamp = (arguments.b == "ts" || arguments.b == "tsUpdate" || arguments.b == "timestamp" || right(arguments.b, 2) == "At");
	if (aIsTimestamp && bIsTimestamp) return compareNoCase(arguments.a, arguments.b);
	else if (aIsTimestamp) return 1;
	else if (bIsTimestamp) return -1;

	return compareNoCase(arguments.a, arguments.b);
}   

private numeric function structKeySort(value1, value2, key1, key2) {
	return sortJsonLdKeys(key1, key2);
}

//myStruct=StructNew();
value={"@id":"Berlin", "@context":"London","id":"Paris","orderID":"New York","b":"Dublin"};
writeDump(value);
WriteOutput(serializeJSON(value));
mySort=StructSort(value, structKeySort);
writeDump(mySort);
writeDump(value);
WriteOutput(serializeJSON(value));

</cfscript>