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Refactor markdown attention render (#29833)

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* Remove some deadcode
* Use 2-word name for CSS class names
* Remove "gt-*" rules for sanitizer

The UI doesn't change much.

(cherry picked from commit 66902d89e567ab1ae6dfb828636999c61ff0149e)
This commit is contained in:
wxiaoguang 2024-03-16 19:34:38 +08:00 • committed by Gergely Nagy
parent 012ed7019a
commit ec2201a3da
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3 changed files with 23 additions and 22 deletions
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23
modules/markup/markdown/callout/github.go
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@ -68,7 +68,7 @@ func (g *GitHubCalloutTransformer) Transform(node *ast.Document, reader text.Rea
}
// color the blockquote
v.SetAttributeString("class", []byte("gt-py-3 attention attention-"+attentionType))
v.SetAttributeString("class", []byte("attention-header attention-"+attentionType))
// create an emphasis to make it bold
attentionParagraph := ast.NewParagraph()
@ -104,27 +104,24 @@ func (r *GitHubCalloutHTMLRenderer) RegisterFuncs(reg renderer.NodeRendererFuncR
// renderAttention renders a quote marked with i.e. "> **Note**" or "> **Warning**" with a corresponding svg
func (r *GitHubCalloutHTMLRenderer) renderAttention(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
if entering {
_, _ = w.WriteString(`<span class="gt-mr-2 gt-vm attention-`)
n := node.(*Attention)
_, _ = w.WriteString(strings.ToLower(n.AttentionType))
_, _ = w.WriteString(`">`)
var octiconType string
var octiconName string
switch n.AttentionType {
case "note":
octiconType = "info"
octiconName = "info"
case "tip":
octiconType = "light-bulb"
octiconName = "light-bulb"
case "important":
octiconType = "report"
octiconName = "report"
case "warning":
octiconType = "alert"
octiconName = "alert"
case "caution":
octiconType = "stop"
octiconName = "stop"
default:
octiconName = "info"
}
_, _ = w.WriteString(string(svg.RenderHTML("octicon-" + octiconType)))
} else {
_, _ = w.WriteString("</span>\n")
_, _ = w.WriteString(string(svg.RenderHTML("octicon-"+octiconName, 16, "attention-icon attention-"+n.AttentionType)))
}
return ast.WalkContinue, nil
}

5
modules/markup/sanitizer.go
View file

@ -64,10 +64,9 @@ func createDefaultPolicy() *bluemonday.Policy {
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^color-preview$`)).OnElements("span")
// For attention
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^gt-py-3 attention attention-\w+$`)).OnElements("blockquote")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^attention-header attention-\w+$`)).OnElements("blockquote")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^attention-\w+$`)).OnElements("strong")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^gt-mr-2 gt-vm attention-\w+$`)).OnElements("span", "strong")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^svg octicon-(\w|-)+$`)).OnElements("svg")
policy.AllowAttrs("class").Matching(regexp.MustCompile(`^attention-icon attention-\w+ svg octicon-[\w-]+$`)).OnElements("svg")
policy.AllowAttrs("viewBox", "width", "height", "aria-hidden").OnElements("svg")
policy.AllowAttrs("fill-rule", "d").OnElements("path")