code refactor

str/str.go

@@ -0,0 +1,22 @@
+package str
+
+import "strings"
+
+func TrimStringSlice(raw []string) []string {
+	if raw == nil {
+		return []string{}
+	}
+
+	cnt := len(raw)
+	arr := make([]string, 0, cnt)
+	for i := 0; i < cnt; i++ {
+		item := strings.TrimSpace(raw[i])
+		if item == "" {
+			continue
+		}
+
+		arr = append(arr, item)
+	}
+
+	return arr
+}