feat: add IsZeroValue function

validator/validator.go

@@ -8,6 +8,7 @@ import (
 	"encoding/json"
 	"net"
 	"net/url"
+	"reflect"
 	"regexp"
 	"strconv"
 	"strings"
@@ -159,7 +160,7 @@ func IsEmail(email string) bool {
 	return isEmailRegexMatcher.MatchString(email)
 }
 
-var isChineseMobileRegexMatcher *regexp.Regexp = regexp.MustCompile("^((13[0-9])|(14[5,7])|(15[0-3,5-9])|(17[0,3,5-8])|(18[0-9])|166|198|199|(147))\\d{8}$")
+var isChineseMobileRegexMatcher *regexp.Regexp = regexp.MustCompile(`^((13[0-9])|(14[5,7])|(15[0-3,5-9])|(17[0,3,5-8])|(18[0-9])|166|198|199|(147))\\d{8}$`)
 
 // IsChineseMobile check if the string is chinese mobile number.
 func IsChineseMobile(mobileNum string) bool {
@@ -253,3 +254,32 @@ func IsWeakPassword(password string) bool {
 
 	return (num || letter) && !special
 }
+
+// IsZeroValue checks if value is a zero value
+func IsZeroValue(value any) bool {
+	if value == nil {
+		return true
+	}
+
+	rv := reflect.ValueOf(value)
+	if !rv.IsValid() {
+		return true
+	}
+
+	switch rv.Kind() {
+	case reflect.String:
+		return rv.Len() == 0
+	case reflect.Bool:
+		return !rv.Bool()
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return rv.Int() == 0
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return rv.Uint() == 0
+	case reflect.Float32, reflect.Float64:
+		return rv.Float() == 0
+	case reflect.Ptr, reflect.Chan, reflect.Func, reflect.Interface, reflect.Slice, reflect.Map:
+		return rv.IsNil()
+	}
+
+	return reflect.DeepEqual(rv.Interface(), reflect.Zero(rv.Type()).Interface())
+}