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stripassets.go
47 lines (40 loc) · 1.29 KB
/
stripassets.go
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/**
* Copyright 2020 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
package stripassets
import (
"github.com/gauntface/go-html-asset-manager/v3/manipulations"
"github.com/gauntface/go-html-asset-manager/v3/utils/html/htmlparsing"
"golang.org/x/net/html"
)
var (
htmlparsingFindNodesByTag = htmlparsing.FindNodesByTag
)
func Manipulator(runtime manipulations.Runtime, doc *html.Node) error {
tags := []string{"style", "script"}
for _, t := range tags {
tagNodes := htmlparsingFindNodesByTag(t, doc)
for _, t := range tagNodes {
t.Parent.RemoveChild(t)
}
}
linkNodes := htmlparsingFindNodesByTag("link", doc)
for _, l := range linkNodes {
a := htmlparsing.Attributes(l)
if v, ok := a["rel"]; ok && v.Val == "stylesheet" {
l.Parent.RemoveChild(l)
}
}
return nil
}