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nip23: the renderer is not goroutine-safe so it can't be reused.

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This commit is contained in:
fiatjaf
2025-08-04 12:01:02 -03:00
parent 83c34daa8b
commit 50c9ea3867
1 changed files with 16 additions and 16 deletions
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32
nip23/markdown.go
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@@ -15,23 +15,23 @@ import (
var nostrEveryMatcher = regexp.MustCompile(`nostr:((npub|note|nevent|nprofile|naddr)1[a-z0-9]+)\b`)
var renderer = html.NewRenderer(html.RendererOptions{
Flags: html.HrefTargetBlank | html.SkipHTML,
RenderNodeHook: func(w io.Writer, node ast.Node, entering bool) (ast.WalkStatus, bool) {
switch v := node.(type) {
case *ast.HTMLSpan:
w.Write([]byte(stdhtml.EscapeString(string(v.Literal))))
return ast.GoToNext, true
case *ast.HTMLBlock:
w.Write([]byte(stdhtml.EscapeString(string(v.Literal))))
return ast.GoToNext, true
}
return ast.GoToNext, false
},
})
func MarkdownToHTML(md string) string {
renderer := html.NewRenderer(html.RendererOptions{
Flags: html.HrefTargetBlank | html.SkipHTML,
RenderNodeHook: func(w io.Writer, node ast.Node, entering bool) (ast.WalkStatus, bool) {
switch v := node.(type) {
case *ast.HTMLSpan:
w.Write([]byte(stdhtml.EscapeString(string(v.Literal))))
return ast.GoToNext, true
case *ast.HTMLBlock:
w.Write([]byte(stdhtml.EscapeString(string(v.Literal))))
return ast.GoToNext, true
}
return ast.GoToNext, false
},
})
md = strings.ReplaceAll(md, "\u00A0", " ")
// create markdown parser with extensions