refactor: DOM event name casing

[rschristian]

Noticed we were calling .toLowerCase() and then .slice(2), which, conceptually & (somewhat) measurably, should be less than optimal. Then may as well call .slice() early, doesn't hinder our casing check & reduces some bytes.

[github-actions]

📊 Tachometer Benchmark Results

Summary

duration

• create10k: unsure 🔍 -0% - +0% (-4.78ms - +2.10ms)
  ^{preact-local vs preact-main}
• filter-list: unsure 🔍 -1% - +3% (-0.17ms - +0.54ms)
  ^{preact-local vs preact-main}
• hydrate1k: unsure 🔍 -1% - +3% (-0.98ms - +1.86ms)
  ^{preact-local vs preact-main}
• many-updates: unsure 🔍 -0% - +0% (-0.03ms - +0.06ms)
  ^{preact-local vs preact-main}
• replace1k: unsure 🔍 -2% - +1% (-1.22ms - +0.82ms)
  ^{preact-local vs preact-main}
• text-update: unsure 🔍 -5% - +4% (-0.09ms - +0.08ms)
  ^{preact-local vs preact-main}
• todo: unsure 🔍 -1% - +0% (-0.46ms - +0.08ms)
  ^{preact-local vs preact-main}
• update10th1k: unsure 🔍 -5% - +1% (-1.45ms - +0.23ms)
  ^{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 🔍 -10% - +2% (-0.89ms - +0.17ms)
  ^{preact-local vs preact-main}
• many-updates: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-main}
• replace1k: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-main}
• text-update: unsure 🔍 -4% - +2% (-0.04ms - +0.02ms)
  ^{preact-local vs preact-main}
• todo: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-main}
• update10th1k: unsure 🔍 -0% - +0% (-0.01ms - +0.00ms)
  ^{preact-local vs preact-main}

Results

create10k

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #4893

• Commit: c23f984

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	953.16ms - 957.74ms	-	unsure 🔍 -0% - +0% -4.78ms - +2.10ms
preact-main	954.21ms - 959.36ms	unsure 🔍 -0% - +1% -2.10ms - +4.78ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	19.18ms - 19.18ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	19.18ms - 19.18ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

filter-list

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #4893

• Commit: c23f984

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	16.31ms - 17.03ms	-	unsure 🔍 -1% - +3% -0.17ms - +0.54ms
preact-main	16.46ms - 16.52ms	unsure 🔍 -3% - +1% -0.54ms - +0.17ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.54ms - 1.54ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	1.54ms - 1.54ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

hydrate1k

• Browser: chrome-headless
• Sample size: 90
• Built by: CI #4893

• Commit: c23f984

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	71.21ms - 73.32ms	-	unsure 🔍 -1% - +3% -0.98ms - +1.86ms
preact-main	70.87ms - 72.77ms	unsure 🔍 -3% - +1% -1.86ms - +0.98ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	8.42ms - 9.20ms	-	unsure 🔍 -10% - +2% -0.89ms - +0.17ms
preact-main	8.81ms - 9.53ms	unsure 🔍 -2% - +10% -0.17ms - +0.89ms	-

many-updates

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #4893

• Commit: c23f984

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	16.55ms - 16.58ms	-	unsure 🔍 -0% - +0% -0.03ms - +0.06ms
preact-main	16.50ms - 16.59ms	unsure 🔍 -0% - +0% -0.06ms - +0.03ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	3.71ms - 3.71ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	3.71ms - 3.71ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

replace1k

• Browser: chrome-headless
• Sample size: 100
• Built by: CI #4893

• Commit: c23f984

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	63.01ms - 64.42ms	-	unsure 🔍 -2% - +1% -1.22ms - +0.82ms
preact-main	63.18ms - 64.65ms	unsure 🔍 -1% - +2% -0.82ms - +1.22ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	2.98ms - 2.99ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	2.98ms - 2.99ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

run-warmup-0

Version	Avg time	vs preact-local	vs preact-main
preact-local	25.20ms - 25.78ms	-	unsure 🔍 -3% - +0% -0.77ms - +0.13ms
preact-main	25.46ms - 26.15ms	unsure 🔍 -1% - +3% -0.13ms - +0.77ms	-

run-warmup-1

Version	Avg time	vs preact-local	vs preact-main
preact-local	33.48ms - 34.66ms	-	unsure 🔍 -2% - +3% -0.57ms - +1.10ms
preact-main	33.21ms - 34.40ms	unsure 🔍 -3% - +2% -1.10ms - +0.57ms	-

run-warmup-2

Version	Avg time	vs preact-local	vs preact-main
preact-local	29.47ms - 30.48ms	-	unsure 🔍 -2% - +2% -0.64ms - +0.72ms
preact-main	29.48ms - 30.39ms	unsure 🔍 -2% - +2% -0.72ms - +0.64ms	-

run-warmup-3

Version	Avg time	vs preact-local	vs preact-main
preact-local	27.24ms - 28.09ms	-	unsure 🔍 -2% - +2% -0.66ms - +0.59ms
preact-main	27.25ms - 28.15ms	unsure 🔍 -2% - +2% -0.59ms - +0.66ms	-

run-warmup-4

Version	Avg time	vs preact-local	vs preact-main
preact-local	23.63ms - 24.74ms	-	unsure 🔍 -0% - +6% -0.10ms - +1.39ms
preact-main	23.05ms - 24.03ms	unsure 🔍 -6% - +0% -1.39ms - +0.10ms	-

run-final

Version	Avg time	vs preact-local	vs preact-main
preact-local	21.52ms - 22.25ms	-	unsure 🔍 -4% - +2% -0.80ms - +0.35ms
preact-main	21.67ms - 22.55ms	unsure 🔍 -2% - +4% -0.35ms - +0.80ms	-

text-update

• Browser: chrome-headless
• Sample size: 170
• Built by: CI #4893

• Commit: c23f984

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.84ms - 1.99ms	-	unsure 🔍 -5% - +4% -0.09ms - +0.08ms
preact-main	1.87ms - 1.97ms	unsure 🔍 -4% - +5% -0.08ms - +0.09ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	0.98ms - 1.02ms	-	unsure 🔍 -4% - +2% -0.04ms - +0.02ms
preact-main	0.99ms - 1.04ms	unsure 🔍 -2% - +4% -0.02ms - +0.04ms	-

todo

• Browser: chrome-headless
• Sample size: 50
• Built by: CI #4893

• Commit: c23f984

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	32.62ms - 32.87ms	-	unsure 🔍 -1% - +0% -0.46ms - +0.08ms
preact-main	32.70ms - 33.17ms	unsure 🔍 -0% - +1% -0.08ms - +0.46ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	1.24ms - 1.24ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-main	1.24ms - 1.24ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

update10th1k

• Browser: chrome-headless
• Sample size: 110
• Built by: CI #4893

• Commit: c23f984

duration

Version	Avg time	vs preact-local	vs preact-main
preact-local	29.39ms - 30.39ms	-	unsure 🔍 -5% - +1% -1.45ms - +0.23ms
preact-main	29.83ms - 31.17ms	unsure 🔍 -1% - +5% -0.23ms - +1.45ms	-

usedJSHeapSize

Version	Avg time	vs preact-local	vs preact-main
preact-local	2.94ms - 2.95ms	-	unsure 🔍 -0% - +0% -0.01ms - +0.00ms
preact-main	2.94ms - 2.95ms	unsure 🔍 -0% - +0% -0.00ms - +0.01ms	-

_{tachometer-reporter-action v2 for CI}

[github-actions]

Size Change: -8 B (-0.02%)

Total Size: 47.2 kB

Filename	Size	Change
dist/preact.js	4.6 kB	-2 B (-0.04%)
dist/preact.mjs	4.61 kB	-4 B (-0.09%)
dist/preact.umd.js	4.67 kB	-2 B (-0.04%)

ℹ️ View Unchanged

Filename	Size
compat/dist/compat.js	3.92 kB
compat/dist/compat.mjs	3.84 kB
compat/dist/compat.umd.js	3.98 kB
debug/dist/debug.js	3.88 kB
debug/dist/debug.mjs	3.89 kB
debug/dist/debug.umd.js	3.97 kB
devtools/dist/devtools.js	260 B
devtools/dist/devtools.mjs	271 B
devtools/dist/devtools.umd.js	346 B
hooks/dist/hooks.js	1.55 kB
hooks/dist/hooks.mjs	1.58 kB
hooks/dist/hooks.umd.js	1.62 kB
jsx-runtime/dist/jsxRuntime.js	892 B
jsx-runtime/dist/jsxRuntime.mjs	861 B
jsx-runtime/dist/jsxRuntime.umd.js	966 B
test-utils/dist/testUtils.js	473 B
test-utils/dist/testUtils.mjs	473 B
test-utils/dist/testUtils.umd.js	555 B

_{compressed-size-action}

[coveralls]

coverage: 99.539%. remained the same
when pulling c23f984 on refactor/slice-then-lowercase-events
into 61a257f on main.