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helpers: Fix TrimShortHTML used by markdownify and RenderString

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Closes #11698
This commit is contained in:
Joe Mooring 2023-11-11 21:27:44 -08:00 • committed by Bjørn Erik Pedersen
parent ac7cffa7e2
commit 0bde6931ac
3 changed files with 78 additions and 11 deletions
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17
helpers/content.go
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@ -251,18 +251,15 @@ func (c *ContentSpec) TruncateWordsToWholeSentence(s string) (string, bool) {
// where said tags are the only <p> tags in the input and enclose the content
// of the input (whitespace excluded).
func (c *ContentSpec) TrimShortHTML(input []byte) []byte {
firstOpeningP := bytes.Index(input, paragraphIndicator)
lastOpeningP := bytes.LastIndex(input, paragraphIndicator)
lastClosingP := bytes.LastIndex(input, closingPTag)
lastClosing := bytes.LastIndex(input, closingIndicator)
if firstOpeningP == lastOpeningP && lastClosingP == lastClosing {
input = bytes.TrimSpace(input)
input = bytes.TrimPrefix(input, openingPTag)
input = bytes.TrimSuffix(input, closingPTag)
if bytes.Count(input, openingPTag) == 1 {
input = bytes.TrimSpace(input)
if bytes.HasPrefix(input, openingPTag) && bytes.HasSuffix(input, closingPTag) {
input = bytes.TrimPrefix(input, openingPTag)
input = bytes.TrimSuffix(input, closingPTag)
input = bytes.TrimSpace(input)
}
}
return input
}