update util

util/ReadFile.go

@@ -3,6 +3,7 @@ package util
 import (
 	"io/ioutil"
 	"path"
+	"path/filepath"
 	"runtime"
 	"strings"
 )
@@ -30,3 +31,12 @@ func ReadFile(pathFromCaller string) string {
 	strContent := string(content)
 	return strings.TrimRight(strContent, "\n")
 }
+
+// Dirname is a port of __dirname in node
+func Dirname() string {
+	_, filename, _, ok := runtime.Caller(1)
+	if !ok {
+		panic("getting calling function")
+	}
+	return filepath.Dir(filename)
+}