52 lines
793 B
Go
52 lines
793 B
Go
|
package interceptor
|
||
|
|
|
||
|
|
import (
|
||
|
|
"errors"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
func flattenErrs(errs []error) error {
|
||
|
|
errs2 := []error{}
|
||
|
|
for _, e := range errs {
|
||
|
|
if e != nil {
|
||
|
|
errs2 = append(errs2, e)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if len(errs2) == 0 {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
return multiError(errs2)
|
||
|
|
}
|
||
|
|
|
||
|
|
type multiError []error
|
||
|
|
|
||
|
|
func (me multiError) Error() string {
|
||
|
|
var errstrings []string
|
||
|
|
|
||
|
|
for _, err := range me {
|
||
|
|
if err != nil {
|
||
|
|
errstrings = append(errstrings, err.Error())
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if len(errstrings) == 0 {
|
||
|
|
return "multiError must contain multiple error but is empty"
|
||
|
|
}
|
||
|
|
|
||
|
|
return strings.Join(errstrings, "\n")
|
||
|
|
}
|
||
|
|
|
||
|
|
func (me multiError) Is(err error) bool {
|
||
|
|
for _, e := range me {
|
||
|
|
if errors.Is(e, err) {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
if me2, ok := e.(multiError); ok {
|
||
|
|
if me2.Is(err) {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false
|
||
|
|
}
|