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ferret/pkg/stdlib/html/element_exists.go
Tim Voronov 24d8eedd4c
Feature/doc markup (#543)
* Added release notes

* #509 fixedOCOD typo

* Updated values

* Updated comments

* Changed stdlib docs format

* Changed format of array in docs

* Use 'any' instead of 'value' in docs

* New format for optional params

* Updated docs for testing package

* Added namespace information
2020-08-07 21:49:29 -04:00

23 lines
671 B
Go

package html
import (
"context"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
// ELEMENT_EXISTS returns a boolean value indicating whether there is an element matched by selector.
// @param {HTMLPage | HTMLDocument | HTMLElement} node - Target html node.
// @param {String} selector - CSS selector.
// @return {Boolean} - A boolean value indicating whether there is an element matched by selector.
func ElementExists(ctx context.Context, args ...core.Value) (core.Value, error) {
el, selector, err := queryArgs(args)
if err != nil {
return values.None, err
}
return el.ExistsBySelector(ctx, selector)
}