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Improve img lazy loading (#34804)

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Related #32051 and #13526
This commit is contained in:
wxiaoguang
2025-06-21 14:53:22 +08:00
committed by GitHub
parent 0990eb44ce
commit 81adb01713
11 changed files with 30 additions and 17 deletions
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19
modules/markup/markdown/markdown_test.go
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@ -47,7 +47,7 @@ func TestRender_StandardLinks(t *testing.T) {
func TestRender_Images(t *testing.T) {
setting.AppURL = AppURL
test := func(input, expected string) {
render := func(input, expected string) {
buffer, err := markdown.RenderString(markup.NewTestRenderContext(FullURL), input)
assert.NoError(t, err)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
@ -59,27 +59,32 @@ func TestRender_Images(t *testing.T) {
result := util.URLJoin(FullURL, url)
// hint: With Markdown v2.5.2, there is a new syntax: [link](URL){:target="_blank"} , but we do not support it now
test(
render(
"!["+title+"]("+url+")",
`<p><a href="`+result+`" target="_blank" rel="nofollow noopener"><img src="`+result+`" alt="`+title+`"/></a></p>`)
test(
render(
"[["+title+"|"+url+"]]",
`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" title="`+title+`" alt="`+title+`"/></a></p>`)
test(
render(
"[!["+title+"]("+url+")]("+href+")",
`<p><a href="`+href+`" rel="nofollow"><img src="`+result+`" alt="`+title+`"/></a></p>`)
test(
render(
"!["+title+"]("+url+")",
`<p><a href="`+result+`" target="_blank" rel="nofollow noopener"><img src="`+result+`" alt="`+title+`"/></a></p>`)
test(
render(
"[["+title+"|"+url+"]]",
`<p><a href="`+result+`" rel="nofollow"><img src="`+result+`" title="`+title+`" alt="`+title+`"/></a></p>`)
test(
render(
"[!["+title+"]("+url+")]("+href+")",
`<p><a href="`+href+`" rel="nofollow"><img src="`+result+`" alt="`+title+`"/></a></p>`)
defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableAdditionalAttributes, false)()
render(
"<a><img src='a.jpg'></a>", // by the way, empty "a" tag will be removed
`<p dir="auto"><img src="http://localhost:3000/user13/repo11/a.jpg" loading="lazy"/></p>`)
}
func TestTotal_RenderString(t *testing.T) {