geziyor/extract/attr.go

25 lines
538 B
Go

package extract
import (
"errors"
"github.com/PuerkitoBio/goquery"
)
var ErrAttrNotExists = errors.New("attribute not exist")
// Attr returns HTML attribute value of provided selector
type Attr struct {
Name string
Selector string
Attr string
}
// Extract returns HTML attribute value of provided selector
func (e Attr) Extract(sel *goquery.Selection) (interface{}, error) {
attr, exists := sel.Find(e.Selector).Attr(e.Attr)
if !exists {
return nil, ErrAttrNotExists
}
return map[string]string{e.Name: attr}, nil
}