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ferret/pkg/stdlib/html/wait_navigation.go
2018-10-07 21:32:30 -04:00

49 lines
1.1 KiB
Go

package html
import (
"context"
"github.com/MontFerret/ferret/pkg/html/dynamic"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
/*
* Waits for document to navigate to a new url.
* Stops the execution until the navigation ends or operation times out.
* @param doc (HTMLDocument) - Dynamic HTMLDocument.
* @param timeout (Int, optional) - Optional timeout. Default 5000 ms.
*/
func WaitNavigation(_ context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 2)
if err != nil {
return values.None, err
}
err = core.ValidateType(args[0], core.HTMLDocumentType)
if err != nil {
return values.None, err
}
doc, ok := args[0].(*dynamic.HTMLDocument)
if !ok {
return values.None, core.Errors(core.ErrInvalidType, ErrNotDynamic)
}
timeout := values.NewInt(defaultTimeout)
if len(args) > 1 {
err = core.ValidateType(args[1], core.IntType)
if err != nil {
return values.None, err
}
timeout = args[1].(values.Int)
}
return values.None, doc.WaitForNavigation(timeout)
}