Add Activity compatibility component

[JoviDeCroock]

Relates to #4977

Differences to react

• We don't unmount effects
• We don't defer updates within the hidden subtree
• We add a wrapper div

Co-Authored with GPT5.6-sol for tests

[github-actions]

📊 Tachometer Benchmark Results

Summary

duration

• create10k: unsure 🔍 -0% - +1% (-3.01ms - +4.74ms)
  ^{preact-local vs preact-main}
• filter-list: unsure 🔍 -0% - +1% (-0.05ms - +0.22ms)
  ^{preact-local vs preact-main}
• hydrate1k: unsure 🔍 -3% - +1% (-1.31ms - +0.35ms)
  ^{preact-local vs preact-main}
• many-updates: unsure 🔍 -2% - +2% (-0.37ms - +0.24ms)
  ^{preact-local vs preact-main}
• replace1k: unsure 🔍 -3% - +0% (-1.26ms - +0.04ms)
  ^{preact-local vs preact-main}
• text-update: unsure 🔍 -4% - +5% (-0.09ms - +0.11ms)
  ^{preact-local vs preact-main}
• todo: unsure 🔍 -2% - +1% (-0.67ms - +0.22ms)
  ^{preact-local vs preact-main}
• update10th1k: unsure 🔍 -4% - +4% (-1.23ms - +1.33ms)
  ^{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 🔍 -4% - +4% (-0.22ms - +0.22ms)
  ^{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: unsure 🔍 -2% - +4% (-0.02ms - +0.04ms)
  ^{preact-local vs preact-main}
• todo: unsure 🔍 +0% - +0% (+0.00ms - +0.00ms)
  ^{preact-local vs preact-main}
• update10th1k: unsure 🔍 -0% - +0% (-0.01ms - +0.01ms)
  ^{preact-local vs preact-main}

Results

create10k

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5696

• Commit: c9e63b0

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	831.35ms - 836.67ms	-	unsure 🔍 -0% - +1% -3.01ms - +4.74ms
preact-main	830.34ms - 835.97ms	unsure 🔍 -1% - +0% -4.74ms - +3.01ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	19.08ms - 19.08ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	19.08ms - 19.08ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

filter-list

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5696

• Commit: c9e63b0

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	16.56ms - 16.81ms	-	unsure 🔍 -0% - +1% -0.05ms - +0.22ms
preact-main	16.57ms - 16.64ms	unsure 🔍 -1% - +0% -0.22ms - +0.05ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.56ms - 1.56ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	1.56ms - 1.56ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

hydrate1k

• Browser: chrome-headless
• Sample size: 80
• Built by: CI #5696

• Commit: c9e63b0

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	48.93ms - 49.89ms	-	unsure 🔍 -3% - +1% -1.31ms - +0.35ms
preact-main	49.21ms - 50.56ms	unsure 🔍 -1% - +3% -0.35ms - +1.31ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	5.04ms - 5.37ms	-	unsure 🔍 -4% - +4% -0.22ms - +0.22ms
preact-main	5.07ms - 5.35ms	unsure 🔍 -4% - +4% -0.22ms - +0.22ms	-

many-updates

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5696

• Commit: c9e63b0

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	15.69ms - 16.17ms	-	unsure 🔍 -2% - +2% -0.37ms - +0.24ms
preact-main	15.80ms - 16.17ms	unsure 🔍 -2% - +2% -0.24ms - +0.37ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	3.75ms - 3.75ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	3.75ms - 3.75ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

replace1k

• Browser: chrome-headless
• Sample size: 110
• Built by: CI #5696

• Commit: c9e63b0

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	46.67ms - 47.47ms	-	unsure 🔍 -3% - +0% -1.26ms - +0.04ms
preact-main	47.17ms - 48.19ms	unsure 🔍 -0% - +3% -0.04ms - +1.26ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	3.03ms - 3.04ms	-	unsure 🔍 -0% - +0% -0.01ms - +0.01ms
preact-main	3.03ms - 3.04ms	unsure 🔍 -0% - +0% -0.01ms - +0.01ms	-

run-warmup-0

Version	Avg time	vs preact-local	vs preact-main
preact-local	22.87ms - 23.46ms	-	unsure 🔍 -1% - +2% -0.29ms - +0.51ms
preact-main	22.78ms - 23.33ms	unsure 🔍 -2% - +1% -0.51ms - +0.29ms	-

run-warmup-1

Version	Avg time	vs preact-local	vs preact-main
preact-local	25.78ms - 26.69ms	-	unsure 🔍 -3% - +2% -0.66ms - +0.60ms
preact-main	25.83ms - 26.70ms	unsure 🔍 -2% - +3% -0.60ms - +0.66ms	-

run-warmup-2

Version	Avg time	vs preact-local	vs preact-main
preact-local	22.79ms - 23.51ms	-	unsure 🔍 -2% - +3% -0.35ms - +0.67ms
preact-main	22.63ms - 23.35ms	unsure 🔍 -3% - +2% -0.67ms - +0.35ms	-

run-warmup-3

Version	Avg time	vs preact-local	vs preact-main
preact-local	20.27ms - 20.55ms	-	unsure 🔍 -1% - +1% -0.14ms - +0.22ms
preact-main	20.26ms - 20.48ms	unsure 🔍 -1% - +1% -0.22ms - +0.14ms	-

run-warmup-4

Version	Avg time	vs preact-local	vs preact-main
preact-local	21.69ms - 22.56ms	-	unsure 🔍 -5% - +1% -1.06ms - +0.20ms
preact-main	22.11ms - 23.01ms	unsure 🔍 -1% - +5% -0.20ms - +1.06ms	-

run-final

Version	Avg time	vs preact-local	vs preact-main
preact-local	15.90ms - 16.19ms	-	unsure 🔍 -2% - +0% -0.40ms - +0.03ms
preact-main	16.07ms - 16.39ms	unsure 🔍 -0% - +3% -0.03ms - +0.40ms	-

text-update

• Browser: chrome-headless
• Sample size: 170
• Built by: CI #5696

• Commit: c9e63b0

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	2.12ms - 2.25ms	-	unsure 🔍 -4% - +5% -0.09ms - +0.11ms
preact-main	2.10ms - 2.24ms	unsure 🔍 -5% - +4% -0.11ms - +0.09ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.02ms - 1.07ms	-	unsure 🔍 -2% - +4% -0.02ms - +0.04ms
preact-main	1.01ms - 1.05ms	unsure 🔍 -4% - +2% -0.04ms - +0.02ms	-

todo

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5696

• Commit: c9e63b0

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	32.40ms - 32.69ms	-	unsure 🔍 -2% - +1% -0.67ms - +0.22ms
preact-main	32.35ms - 33.19ms	unsure 🔍 -1% - +2% -0.22ms - +0.67ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.27ms - 1.27ms	-	unsure 🔍 +0% - +0% +0.00ms - +0.00ms
preact-main	1.27ms - 1.27ms	unsure 🔍 -0% - -0% -0.00ms - -0.00ms	-

update10th1k

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #5696

• Commit: c9e63b0

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	29.89ms - 31.79ms	-	unsure 🔍 -4% - +4% -1.23ms - +1.33ms
preact-main	29.93ms - 31.65ms	unsure 🔍 -4% - +4% -1.33ms - +1.23ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	2.97ms - 2.98ms	-	unsure 🔍 -0% - +0% -0.01ms - +0.01ms
preact-main	2.97ms - 2.98ms	unsure 🔍 -0% - +0% -0.01ms - +0.01ms	-

_{tachometer-reporter-action v2 for CI}

[github-actions]

Size Change: +55 B (+0.35%)

Total Size: 15.9 kB

📦 View Changed

Filename	Size	Change
compat/dist/compat.mjs	3.92 kB	+55 B (+1.42%)

ℹ️ View Unchanged

Filename	Size
debug/dist/debug.mjs	3.89 kB
devtools/dist/devtools.mjs	274 B
dist/preact.mjs	4.89 kB
hooks/dist/hooks.mjs	1.55 kB
jsx-runtime/dist/jsxRuntime.mjs	861 B
test-utils/dist/testUtils.mjs	473 B

_{compressed-size-action}

[coveralls]

coverage: 98.54% (+0.006%) from 98.534% — JoviDeCroock/implement-issue-4977 into main