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perf(sanitizer): use a switch-case instead of a map

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This removes a heap allocation, and should be way faster. It also makes the
code shorted/simpler.
This commit is contained in:
jvoisin 2025-06-16 12:36:28 +02:00 • committed by Frédéric Guillot
parent e9d4a130fd
commit 237672a62c
1 changed files with 6 additions and 8 deletions
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14
internal/reader/sanitizer/sanitizer.go
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@ -180,12 +180,6 @@ var (
"hack": {}, // https://apps.apple.com/it/app/hack-for-hacker-news-reader/id1464477788?l=en-GB "hack": {}, // https://apps.apple.com/it/app/hack-for-hacker-news-reader/id1464477788?l=en-GB
} }
blockedTags = map[string]struct{}{
"noscript": {},
"script": {},
"style": {},
}
dataAttributeAllowedPrefixes = []string{ dataAttributeAllowedPrefixes = []string{
"data:image/avif", "data:image/avif",
"data:image/apng", "data:image/apng",
@ -537,8 +531,12 @@ func rewriteIframeURL(link string) string {
} }
func isBlockedTag(tagName string) bool { func isBlockedTag(tagName string) bool {
_, ok := blockedTags[tagName] switch tagName {
return ok case "noscript", "script", "style":
return true
default:
return false
}
} }
func sanitizeSrcsetAttr(baseURL, value string) string { func sanitizeSrcsetAttr(baseURL, value string) string {