add logger

fix return nil bug

bridge.go

@@ -48,8 +48,14 @@ func _makeJsValue(ctx *plugin.Context, in interface{}, n int, key string, plugin
 		v = reflect.ValueOf(in)
 	}
 	for v.Kind() == reflect.Ptr || v.Kind() == reflect.Interface {
+		if v.IsNil() {
+			return jsCtx.Null()
+		}
 		v = v.Elem()
 	}
+	if (v.Kind() == reflect.Slice || v.Kind() == reflect.Map || v.Kind() == reflect.Func) && v.IsNil() {
+		return jsCtx.Null()
+	}
 
 	switch v.Kind() {
 	case reflect.Bool:

gojs.go

@@ -119,22 +119,60 @@ func New(globals map[string]interface{}, logger *log.Logger) *JSRuntime {
 	// 注入 console
 	rt.JsCtx.Globals().Set("console", MakeJsValue(rt.GoCtx, map[string]interface{}{
 		"log": func(args ...interface{}) {
-			fmt.Println(args...)
+			fmt.Println(makeStringArray(args, u.TextNone, u.BgNone)...)
 		},
 		"info": func(args ...interface{}) {
-			fmt.Println(u.Cyan(fmt.Sprintln(args...)))
+			fmt.Println(makeStringArray(args, u.TextCyan, u.BgNone)...)
 		},
 		"warn": func(args ...interface{}) {
-			fmt.Println(u.BYellow(fmt.Sprintln(args...)))
+			fmt.Println(makeStringArray(args, u.TextBlack, u.BgYellow)...)
 		},
 		"error": func(args ...interface{}) {
-			fmt.Println(u.BRed(fmt.Sprintln(args...)))
+			fmt.Println(makeStringArray(args, u.TextWhite, u.BgRed)...)
+		},
+	}, false))
+
+	// 注入 logger
+	rt.JsCtx.Globals().Set("logger", MakeJsValue(rt.GoCtx, map[string]interface{}{
+		"debug": func(message string, args *map[string]interface{}) {
+			rt.logger.Debug(message, makeMapToArray(args)...)
+		},
+		"info": func(message string, args *map[string]interface{}) {
+			rt.logger.Info(message, makeMapToArray(args)...)
+		},
+		"warn": func(message string, args *map[string]interface{}) {
+			rt.logger.Warning(message, makeMapToArray(args)...)
+		},
+		"error": func(message string, args *map[string]interface{}) {
+			rt.logger.Error(message, makeMapToArray(args)...)
 		},
 	}, false))
 
 	return rt
 }
 
+func makeMapToArray(args *map[string]interface{}) []interface{} {
+	outArgs := make([]interface{}, 0)
+	if args != nil {
+		for k, v := range *args {
+			outArgs = append(outArgs, k, v)
+		}
+	}
+	return outArgs
+}
+
+func makeStringArray(args []interface{}, color u.TextColor, bg u.BgColor) []interface{} {
+	stringArgs := make([]interface{}, len(args))
+	for i, v := range args {
+		if color != u.TextNone || bg != u.BgNone {
+			stringArgs[i] = u.Color(u.StringP(v), color, bg)
+		} else {
+			stringArgs[i] = u.StringP(v)
+		}
+	}
+	return stringArgs
+}
+
 func Run(code string, globals map[string]interface{}, logger *log.Logger) (out interface{}, err error, stack string) {
 	rt := New(globals, logger)
 	defer func() {