mirror of
https://github.com/romdo/go-validate.git
synced 2026-02-19 08:06:40 +00:00
Jim Myhrberg
464467ec86
This is a bare-bones implementation of a basic validation package based
around a very simply Validatable interface:
type Validatable interface {
Validate() error
}
The goal is to keep things as simple as possible, while also giving as
much control as possible over how validation logic is performed.
37 lines
567 B
Go
37 lines
567 B
Go
package validate
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import (
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"reflect"
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)
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// RequireField returns a Error type for the given field if provided value is
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// empty/zero.
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func RequireField(field string, value interface{}) error {
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err := &Error{Field: field, Msg: "is required"}
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v := reflect.ValueOf(value)
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if v.Kind() == reflect.Ptr {
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if v.IsNil() {
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return err
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}
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v = v.Elem()
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}
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if !v.IsValid() {
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return err
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}
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switch v.Kind() { //nolint:exhaustive
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case reflect.Map, reflect.Slice:
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if v.Len() == 0 {
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return err
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}
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default:
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if v.IsZero() {
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return err
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}
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}
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return nil
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}
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