refactor config initialization

1 files changed, 5 insertions, 13 deletions

diff --git a/internal/config/config.go b/internal/config/config.go
index ec4ea67..2f8c62b 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -21,19 +21,7 @@ type Config struct {
 	nodeNumberCache map[string]int
 }
 
-func New(arg any) (Config, error) {
-	switch arg := arg.(type) {
-	case string:
-		return newFromConfigFile(arg)
-	case Config:
-		// Used to initialize a custom config from unit tests.
-		return arg.initialize()
-	default:
-		panic("unable to initialize config")
-	}
-}
-
-func newFromConfigFile(configFile string) (Config, error) {
+func New(configFile string) (Config, error) {
 	var conf Config
 
 	file, err := os.Open(configFile)
@@ -52,6 +40,10 @@ func newFromConfigFile(configFile string) (Config, error) {
 		return conf, err
 	}
 
+	return NewFromConfig(conf)
+}
+
+func NewFromConfig(conf Config) (Config, error) {
 	return conf.initialize()
 }