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ferret/pkg/stdlib/html/navigate.go

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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"
)
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// NAVIGATE navigates a given page to a new resource.
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// The operation blocks the execution until the page gets loaded.
// Which means there is no need in WAIT_NAVIGATION function.
// @param page (HTMLPage) - Target page.
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// @param url (String) - Target url to navigate.
// @param timeout (Int, optional) - Optional timeout. Default is 5000.
func Navigate(ctx context.Context, args ...core.Value) (core.Value, error) {
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err := core.ValidateArgs(args, 2, 3)
if err != nil {
return values.None, err
}
page, err := drivers.ToPage(args[0])
if err != nil {
return values.None, err
}
err = core.ValidateType(args[1], types.String)
if err != nil {
return values.None, err
}
timeout := values.NewInt(drivers.DefaultWaitTimeout)
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if len(args) > 2 {
err = core.ValidateType(args[2], types.Int)
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if err != nil {
return values.None, err
}
timeout = args[2].(values.Int)
}
ctx, fn := waitTimeout(ctx, timeout)
defer fn()
return values.None, page.Navigate(ctx, args[1].(values.String))
}