publish lancet

formatter/formatter_util.go

@@ -0,0 +1,39 @@
+package formatter
+
+import (
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+)
+
+func commaString(s string) string {
+	if len(s) <= 3 {
+		return s
+	}
+	return commaString(s[:len(s)-3]) + "," + commaString(s[len(s)-3:])
+}
+
+func numString(value interface{}) string {
+	switch reflect.TypeOf(value).Kind() {
+	case reflect.Int, reflect.Int64, reflect.Float32, reflect.Float64:
+		return fmt.Sprintf("%v", value)
+	case reflect.String: {
+		sv := fmt.Sprintf("%v", value)
+		if strings.Contains(sv, ".") {
+			_, err := strconv.ParseFloat(sv, 64)
+			if err == nil {
+				return sv
+			}
+		}else {
+			_, err := strconv.ParseInt(sv, 10, 64)
+			if err == nil {
+				return sv
+			}
+		}
+	}
+	default:
+		return ""
+	}
+	return ""
+}