perf(hooks): remove unused memo factory state

[JoviDeCroock]

Remove the unused useMemo factory reference from memo hook state. This eliminates a hot-path property write and reduces the hooks bundle by 8 B raw / 4 B gzip / 6 B Brotli.

[github-actions]

📊 Tachometer Benchmark Results

Summary

duration

• create10k: unsure 🔍 -1% - +0% (-7.04ms - +3.55ms)
  ^{preact-local vs preact-main}
• filter-list: unsure 🔍 -1% - +1% (-0.10ms - +0.12ms)
  ^{preact-local vs preact-main}
• hydrate1k: unsure 🔍 -2% - +2% (-1.04ms - +1.02ms)
  ^{preact-local vs preact-main}
• many-updates: unsure 🔍 -4% - +1% (-0.75ms - +0.22ms)
  ^{preact-local vs preact-main}
• replace1k: unsure 🔍 -1% - +3% (-0.43ms - +1.56ms)
  ^{preact-local vs preact-main}
• text-update: unsure 🔍 -6% - +4% (-0.12ms - +0.07ms)
  ^{preact-local vs preact-main}
• todo: unsure 🔍 -3% - +0% (-0.96ms - +0.04ms)
  ^{preact-local vs preact-main}
• update10th1k: unsure 🔍 -4% - +3% (-0.88ms - +0.64ms)
  ^{preact-local vs preact-main}

usedJSHeapSize

• create10k: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-main}
• filter-list: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-main}
• hydrate1k: unsure 🔍 -0% - +5% (-0.01ms - +0.23ms)
  ^{preact-local vs preact-main}
• many-updates: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-main}
• replace1k: unsure 🔍 -0% - +0% (-0.01ms - +0.01ms)
  ^{preact-local vs preact-main}
• text-update: faster ✔ 1% - 10% (0.01ms - 0.11ms)
  ^{preact-local vs preact-main}
• todo: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-main}
• update10th1k: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-main}

Results

create10k

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5851

• Commit: 8eadf19

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	840.28ms - 847.16ms	-	unsure 🔍 -1% - +0% -7.04ms - +3.55ms
preact-main	841.45ms - 849.49ms	unsure 🔍 -0% - +1% -3.55ms - +7.04ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	19.09ms - 19.09ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	19.09ms - 19.09ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

filter-list

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5851

• Commit: 8eadf19

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	16.57ms - 16.73ms	-	unsure 🔍 -1% - +1% -0.10ms - +0.12ms
preact-main	16.56ms - 16.72ms	unsure 🔍 -1% - +1% -0.12ms - +0.10ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.57ms - 1.58ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	1.57ms - 1.58ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

hydrate1k

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5851

• Commit: 8eadf19

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	54.26ms - 55.96ms	-	unsure 🔍 -2% - +2% -1.04ms - +1.02ms
preact-main	54.55ms - 55.71ms	unsure 🔍 -2% - +2% -1.02ms - +1.04ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	5.01ms - 5.25ms	-	unsure 🔍 -0% - +5% -0.01ms - +0.23ms
preact-main	5.02ms - 5.03ms	unsure 🔍 -4% - +0% -0.23ms - +0.01ms	-

many-updates

• Browser: chrome-headless
• Sample size: 70
• Built by: CI #5851

• Commit: 8eadf19

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	16.09ms - 16.40ms	-	unsure 🔍 -4% - +1% -0.75ms - +0.22ms
preact-main	16.06ms - 16.97ms	unsure 🔍 -1% - +5% -0.22ms - +0.75ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	3.76ms - 3.76ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	3.76ms - 3.76ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

replace1k

• Browser: chrome-headless
• Sample size: 110
• Built by: CI #5851

• Commit: 8eadf19

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	50.33ms - 51.77ms	-	unsure 🔍 -1% - +3% -0.43ms - +1.56ms
preact-main	49.80ms - 51.17ms	unsure 🔍 -3% - +1% -1.56ms - +0.43ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	3.05ms - 3.06ms	-	unsure 🔍 -0% - +0% -0.01ms - +0.01ms
preact-main	3.05ms - 3.07ms	unsure 🔍 -0% - +0% -0.01ms - +0.01ms	-

run-warmup-0

Version	Avg time	vs preact-local	vs preact-main
preact-local	21.14ms - 21.73ms	-	unsure 🔍 -3% - +1% -0.67ms - +0.20ms
preact-main	21.35ms - 21.99ms	unsure 🔍 -1% - +3% -0.20ms - +0.67ms	-

run-warmup-1

Version	Avg time	vs preact-local	vs preact-main
preact-local	26.03ms - 26.84ms	-	unsure 🔍 -2% - +3% -0.43ms - +0.69ms
preact-main	25.91ms - 26.69ms	unsure 🔍 -3% - +2% -0.69ms - +0.43ms	-

run-warmup-2

Version	Avg time	vs preact-local	vs preact-main
preact-local	25.65ms - 26.61ms	-	unsure 🔍 -5% - +0% -1.33ms - +0.08ms
preact-main	26.24ms - 27.28ms	unsure 🔍 -0% - +5% -0.08ms - +1.33ms	-

run-warmup-3

Version	Avg time	vs preact-local	vs preact-main
preact-local	21.02ms - 21.84ms	-	unsure 🔍 -2% - +3% -0.33ms - +0.59ms
preact-main	21.08ms - 21.52ms	unsure 🔍 -3% - +2% -0.59ms - +0.33ms	-

run-warmup-4

Version	Avg time	vs preact-local	vs preact-main
preact-local	21.56ms - 22.43ms	-	unsure 🔍 -3% - +3% -0.56ms - +0.61ms
preact-main	21.57ms - 22.36ms	unsure 🔍 -3% - +3% -0.61ms - +0.56ms	-

run-final

Version	Avg time	vs preact-local	vs preact-main
preact-local	18.47ms - 18.93ms	-	unsure 🔍 -1% - +3% -0.11ms - +0.48ms
preact-main	18.33ms - 18.70ms	unsure 🔍 -3% - +1% -0.48ms - +0.11ms	-

text-update

• Browser: chrome-headless
• Sample size: 210
• Built by: CI #5851

• Commit: 8eadf19

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.97ms - 2.09ms	-	unsure 🔍 -6% - +4% -0.12ms - +0.07ms
preact-main	1.98ms - 2.12ms	unsure 🔍 -4% - +6% -0.07ms - +0.12ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.05ms - 1.11ms	-	faster ✔ 1% - 10% 0.01ms - 0.11ms
preact-main	1.10ms - 1.19ms	slower ❌ 1% - 11% 0.01ms - 0.11ms	-

todo

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5851

• Commit: 8eadf19

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	29.82ms - 30.09ms	-	unsure 🔍 -3% - +0% -0.96ms - +0.04ms
preact-main	29.94ms - 30.90ms	unsure 🔍 -0% - +3% -0.04ms - +0.96ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.28ms - 1.28ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	1.28ms - 1.28ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

update10th1k

• Browser: chrome-headless
• Sample size: 130
• Built by: CI #5851

• Commit: 8eadf19

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	21.18ms - 22.24ms	-	unsure 🔍 -4% - +3% -0.88ms - +0.64ms
preact-main	21.29ms - 22.37ms	unsure 🔍 -3% - +4% -0.64ms - +0.88ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	2.97ms - 2.98ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	2.97ms - 2.98ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

_{tachometer-reporter-action v2 for CI}

[github-actions]

Size Change: -5 B (-0.03%)

Total Size: 15.8 kB

📦 View Changed

Filename	Size	Change
hooks/dist/hooks.mjs	1.55 kB	-5 B (-0.32%)

ℹ️ View Unchanged

Filename	Size
compat/dist/compat.mjs	3.9 kB
debug/dist/debug.mjs	3.88 kB
devtools/dist/devtools.mjs	272 B
dist/preact.mjs	4.88 kB
jsx-runtime/dist/jsxRuntime.mjs	856 B
test-utils/dist/testUtils.mjs	473 B

_{compressed-size-action}

[coveralls]

coverage: 99.533%. remained the same — agent/remove-unused-memo-factory into main