tpl: Use xxHash instead of MD5 to hash the deferred templates - hugo - [fork] hugo port for 9front
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---
(DIR) commit 4d8bfa7f1c21a4b7ece26acdcba3f2e38e54d923
(DIR) parent f0ed91caba9ab962593479e745a0df1a5518c4bf
(HTM) Author: Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Date: Wed, 17 Jul 2024 12:51:49 +0200
tpl: Use xxHash instead of MD5 to hash the deferred templates
Motivation is performance. These templates are typically very small, so the win is minor, I guess.
Diffstat:
M helpers/general.go | 9 +++++++++
M tpl/tplimpl/template_ast_transform… | 2 +-
2 files changed, 10 insertions(+), 1 deletion(-)
---
(DIR) diff --git a/helpers/general.go b/helpers/general.go
@@ -27,6 +27,7 @@ import (
"unicode"
"unicode/utf8"
+ "github.com/cespare/xxhash/v2"
"github.com/spf13/afero"
"github.com/jdkato/prose/transform"
@@ -257,6 +258,14 @@ func SliceToLower(s []string) []string {
return l
}
+// XxHashString takes a string and returns its xxHash hash.
+func XxHashString(f string) string {
+ h := xxhash.New()
+ h.WriteString(f)
+ hash := h.Sum(nil)
+ return hex.EncodeToString(hash)
+}
+
// MD5String takes a string and returns its MD5 hash.
func MD5String(f string) string {
h := md5.New()
(DIR) diff --git a/tpl/tplimpl/template_ast_transformers.go b/tpl/tplimpl/template_ast_transformers.go
@@ -254,7 +254,7 @@ func (c *templateContext) handleDefer(withNode *parse.WithNode) {
c.err = errors.New("resources.PostProcess cannot be used in a deferred template")
return
}
- innerHash := helpers.MD5String(s)
+ innerHash := helpers.XxHashString(s)
deferredID := tpl.HugoDeferredTemplatePrefix + innerHash
c.deferNodes[deferredID] = inner