mirror of
https://github.com/MontFerret/ferret.git
synced 2024-12-14 11:23:02 +02:00
6e15846d0f
* Added Context to HTML methods * Fixed unit tests * Updated timeout * Fixed WAIT_CLASS timeout
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package html
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/MontFerret/ferret/pkg/drivers"
|
|
"github.com/MontFerret/ferret/pkg/runtime/core"
|
|
"github.com/MontFerret/ferret/pkg/runtime/values"
|
|
"github.com/MontFerret/ferret/pkg/runtime/values/types"
|
|
)
|
|
|
|
// Element finds an element by a given CSS selector.
|
|
// Returns NONE if element not found.
|
|
// @param docOrEl (HTMLDocument|HTMLElement) - Parent document or element.
|
|
// @param selector (String) - CSS selector.
|
|
// @returns (HTMLElement | None) - Returns an HTMLElement if found, otherwise NONE.
|
|
func Element(ctx context.Context, args ...core.Value) (core.Value, error) {
|
|
el, selector, err := queryArgs(args)
|
|
|
|
if err != nil {
|
|
return values.None, err
|
|
}
|
|
|
|
return el.QuerySelector(ctx, selector), nil
|
|
}
|
|
|
|
func queryArgs(args []core.Value) (drivers.HTMLNode, values.String, error) {
|
|
err := core.ValidateArgs(args, 2, 2)
|
|
|
|
if err != nil {
|
|
return nil, values.EmptyString, err
|
|
}
|
|
|
|
err = core.ValidateType(args[0], drivers.HTMLDocumentType, drivers.HTMLElementType)
|
|
|
|
if err != nil {
|
|
return nil, values.EmptyString, err
|
|
}
|
|
|
|
err = core.ValidateType(args[1], types.String)
|
|
|
|
if err != nil {
|
|
return nil, values.EmptyString, err
|
|
}
|
|
|
|
return args[0].(drivers.HTMLNode), args[1].(values.String), nil
|
|
}
|