Add splitWithSeparator func

Signed-off-by: Rick Brouwer <rickbrouwer@gmail.com>

pkg/scalers/scalersconfig/typed_config.go

@@ -62,7 +62,6 @@ const (
 
 // separators for map and slice elements
 const (
-	elemSeparator       = ","
 	elemKeyValSeparator = "="
 )
 
@@ -212,11 +211,7 @@ func (sc *ScalerConfig) setValue(field reflect.Value, params Params) error {
 			enumMap[e] = true
 		}
 		missingMap := make(map[string]bool)
-		separator := elemSeparator
-		if params.Separator != "" {
-			separator = params.Separator
-		}
-		split := strings.Split(valFromConfig, separator)
+		split := splitWithSeparator(valFromConfig, params.Separator)
 		for _, s := range split {
 			s := strings.TrimSpace(s)
 			if !enumMap[s] {
@@ -232,11 +227,7 @@ func (sc *ScalerConfig) setValue(field reflect.Value, params Params) error {
 		for _, e := range params.ExclusiveSet {
 			exclusiveMap[e] = true
 		}
-		separator := elemSeparator
-		if params.Separator != "" {
-			separator = params.Separator
-		}
-		split := strings.Split(valFromConfig, separator)
+		split := splitWithSeparator(valFromConfig, params.Separator)
 		exclusiveCount := 0
 		for _, s := range split {
 			s := strings.TrimSpace(s)
@@ -288,11 +279,7 @@ func setConfigValueURLParams(params Params, valFromConfig string, field reflect.
 // setConfigValueMap is a function that sets the value of the map field
 func setConfigValueMap(params Params, valFromConfig string, field reflect.Value) error {
 	field.Set(reflect.MakeMap(reflect.MapOf(field.Type().Key(), field.Type().Elem())))
-	separator := elemSeparator
-	if params.Separator != "" {
-		separator = params.Separator
-	}
-	split := strings.Split(valFromConfig, separator)
+	split := splitWithSeparator(valFromConfig, params.Separator)
 	for _, s := range split {
 		s := strings.TrimSpace(s)
 		kv := strings.Split(s, elemKeyValSeparator)
@@ -330,6 +317,15 @@ func canRange(valFromConfig, elemRangeSeparator string, field reflect.Value) boo
 	return strings.Contains(valFromConfig, elemRangeSeparator)
 }
 
+// splitWithSeparator is a function that splits on default or custom separator
+func splitWithSeparator(valFromConfig, customSeparator string) []string {
+	separator := ","
+	if customSeparator != "" {
+		separator = customSeparator
+	}
+	return strings.Split(valFromConfig, separator)
+}
+
 // setConfigValueRange is a function that sets the value of the range field
 func setConfigValueRange(params Params, valFromConfig string, field reflect.Value) error {
 	rangeSplit := strings.Split(valFromConfig, params.RangeSeparator)
@@ -358,11 +354,7 @@ func setConfigValueRange(params Params, valFromConfig string, field reflect.Valu
 // setConfigValueSlice is a function that sets the value of the slice field
 func setConfigValueSlice(params Params, valFromConfig string, field reflect.Value) error {
 	elemIfc := reflect.New(field.Type().Elem()).Interface()
-	separator := elemSeparator
-	if params.Separator != "" {
-		separator = params.Separator
-	}
-	split := strings.Split(valFromConfig, separator)
+	split := splitWithSeparator(valFromConfig, params.Separator)
 	for i, s := range split {
 		s := strings.TrimSpace(s)
 		if canRange(s, params.RangeSeparator, field) {