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ferret/pkg/stdlib/html/attr_remove.go
2019-09-07 14:03:17 -04:00

43 lines
987 B
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"
)
// ATTR_REMOVE removes single or more attribute(s) of a given element.
// @param el (HTMLElement) - Target element.
// @param names (...String) - Attribute name(s).
func AttributeRemove(ctx context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 2, core.MaxArgs)
if err != nil {
return values.None, err
}
el, err := drivers.ToElement(args[0])
if err != nil {
return values.None, err
}
attrs := args[1:]
attrsStr := make([]values.String, 0, len(attrs))
for _, attr := range attrs {
str, ok := attr.(values.String)
if !ok {
return values.None, core.TypeError(attr.Type(), types.String)
}
attrsStr = append(attrsStr, str)
}
return values.None, el.RemoveAttribute(ctx, attrsStr...)
}