first commit

util/common/err.go

@@ -0,0 +1,29 @@
+package common
+
+import (
+	"errors"
+	"fmt"
+	"x-ui/logger"
+)
+
+var CtxDone = errors.New("context done")
+
+func NewErrorf(format string, a ...interface{}) error {
+	msg := fmt.Sprintf(format, a...)
+	return errors.New(msg)
+}
+
+func NewError(a ...interface{}) error {
+	msg := fmt.Sprintln(a...)
+	return errors.New(msg)
+}
+
+func Recover(msg string) interface{} {
+	panicErr := recover()
+	if panicErr != nil {
+		if msg != "" {
+			logger.Error(msg, "panic:", panicErr)
+		}
+	}
+	return panicErr
+}

util/common/multi_error.go

@@ -0,0 +1,30 @@
+package common
+
+import (
+	"strings"
+)
+
+type multiError []error
+
+func (e multiError) Error() string {
+	var r strings.Builder
+	r.WriteString("multierr: ")
+	for _, err := range e {
+		r.WriteString(err.Error())
+		r.WriteString(" | ")
+	}
+	return r.String()
+}
+
+func Combine(maybeError ...error) error {
+	var errs multiError
+	for _, err := range maybeError {
+		if err != nil {
+			errs = append(errs, err)
+		}
+	}
+	if len(errs) == 0 {
+		return nil
+	}
+	return errs
+}

util/file.go

@@ -0,0 +1 @@
+package util