oss/forgejo
oss/forgejo
1
0
Fork 0
mirror of https://codeberg.org/forgejo/forgejo.git synced 2025-07-27 17:28:34 +00:00
Code Wiki Activity

add lazy loading attribute to images

Browse source
This commit is contained in:
Bente Groh 2025-06-24 22:59:15 +02:00
parent 6d4554b01c
commit cfeda81e2a
2 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
modules/markup/markdown/transform_image.go
View file

@ -44,6 +44,7 @@ func (g *ASTTransformer) transformImage(ctx *markup.RenderContext, v *ast.Image)
for _, attr := range v.Attributes() { for _, attr := range v.Attributes() {
image.SetAttribute(attr.Name, attr.Value) image.SetAttribute(attr.Name, attr.Value)
} }
image.SetAttributeString("loading", []byte("lazy"))
for child := v.FirstChild(); child != nil; { for child := v.FirstChild(); child != nil; {
next := child.NextSibling() next := child.NextSibling()
image.AppendChild(image, child) image.AppendChild(image, child)

3
modules/markup/sanitizer.go
View file

@ -108,6 +108,9 @@ func createDefaultPolicy() *bluemonday.Policy {
// Allow classes for emojis // Allow classes for emojis
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^emoji$`)).OnElements("img") policy.AllowAttrs("class").Matching(regexp.MustCompile(`^emoji$`)).OnElements("img")
// Allow attributes for images
policy.AllowAttrs("loading").Matching(regexp.MustCompile(`^lazy$`)).OnElements("img")
// Allow icons, emojis, chroma syntax and keyword markup on span // Allow icons, emojis, chroma syntax and keyword markup on span
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^((icon(\s+[\p{L}\p{N}_-]+)+)|(emoji)|(language-math display)|(language-math inline))$|^([a-z][a-z0-9]{0,2})$|^` + keywordClass + `$`)).OnElements("span") policy.AllowAttrs("class").Matching(regexp.MustCompile(`^((icon(\s+[\p{L}\p{N}_-]+)+)|(emoji)|(language-math display)|(language-math inline))$|^([a-z][a-z0-9]{0,2})$|^` + keywordClass + `$`)).OnElements("span")
policy.AllowAttrs("data-alias").Matching(regexp.MustCompile(`^[a-zA-Z0-9-_+]+$`)).OnElements("span") policy.AllowAttrs("data-alias").Matching(regexp.MustCompile(`^[a-zA-Z0-9-_+]+$`)).OnElements("span")