diff options
Diffstat (limited to 'modules/markup/html_node.go')
| -rw-r--r-- | modules/markup/html_node.go | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/modules/markup/html_node.go b/modules/markup/html_node.go index f67437465c..4eb78fdd2b 100644 --- a/modules/markup/html_node.go +++ b/modules/markup/html_node.go @@ -63,8 +63,11 @@ func processNodeA(ctx *RenderContext, node *html.Node) { func visitNodeImg(ctx *RenderContext, img *html.Node) (next *html.Node) { next = img.NextSibling + attrSrc, hasLazy := "", false for i, imgAttr := range img.Attr { + hasLazy = hasLazy || imgAttr.Key == "loading" && imgAttr.Val == "lazy" if imgAttr.Key != "src" { + attrSrc = imgAttr.Val continue } @@ -72,8 +75,8 @@ func visitNodeImg(ctx *RenderContext, img *html.Node) (next *html.Node) { isLinkable := imgSrcOrigin != "" && !strings.HasPrefix(imgSrcOrigin, "data:") // By default, the "<img>" tag should also be clickable, - // because frontend use `<img>` to paste the re-scaled image into the markdown, - // so it must match the default markdown image behavior. + // because frontend uses `<img>` to paste the re-scaled image into the Markdown, + // so it must match the default Markdown image behavior. cnt := 0 for p := img.Parent; isLinkable && p != nil && cnt < 2; p = p.Parent { if hasParentAnchor := p.Type == html.ElementNode && p.Data == "a"; hasParentAnchor { @@ -98,6 +101,9 @@ func visitNodeImg(ctx *RenderContext, img *html.Node) (next *html.Node) { imgAttr.Val = camoHandleLink(imgAttr.Val) img.Attr[i] = imgAttr } + if !RenderBehaviorForTesting.DisableAdditionalAttributes && !hasLazy && !strings.HasPrefix(attrSrc, "data:") { + img.Attr = append(img.Attr, html.Attribute{Key: "loading", Val: "lazy"}) + } return next } |