chore: split internal package into multiple subpackages

internal/options/options.go

@@ -0,0 +1,38 @@
+package options
+
+import (
+	"fmt"
+	"strings"
+)
+
+type OptionMap map[string][]interface{}
+type Options map[string]OptionMap
+
+func (o Options) GetOptions(keys []string) []string {
+	var selected []string
+	for _, key := range keys {
+		o[key].AppendOptionsToSlice(&selected)
+	}
+	return selected
+}
+
+func (m OptionMap) AppendOptionsToSlice(str *[]string) {
+	for key, values := range m {
+		for _, value := range values {
+			// Bool
+			asBool, ok := value.(bool)
+			if ok && asBool {
+				*str = append(*str, optionToString(key))
+				continue
+			}
+			*str = append(*str, optionToString(key), fmt.Sprint(value))
+		}
+	}
+}
+
+func optionToString(option string) string {
+	if !strings.HasPrefix(option, "-") {
+		return "--" + option
+	}
+	return option
+}