Fix event proxy exception

[michael-graves-dojo]

Prevent event proxy functions from throwing exceptions in the rare case _listeners is not set

Fixes issue #3218

[github-actions]

📊 Tachometer Benchmark Results

Summary

duration

• 02_replace1k: unsure 🔍 -3% - +3% (-3.44ms - +3.46ms)
  ^{preact-local vs preact-master}
• 03_update10th1k_x16: unsure 🔍 -5% - +4% (-2.45ms - +2.21ms)
  ^{preact-local vs preact-master}
• 07_create10k: unsure 🔍 -1% - +1% (-13.19ms - +8.64ms)
  ^{preact-local vs preact-master}
• filter_list: unsure 🔍 -1% - +4% (-0.25ms - +1.21ms)
  ^{preact-local vs preact-master}
• hydrate1k: unsure 🔍 -2% - +6% (-3.59ms - +11.77ms)
  ^{preact-local vs preact-master}
• many_updates: unsure 🔍 -5% - +3% (-1.01ms - +0.61ms)
  ^{preact-local vs preact-master}
• text_update: unsure 🔍 -3% - +5% (-0.07ms - +0.14ms)
  ^{preact-local vs preact-master}

usedJSHeapSize

• 02_replace1k: unsure 🔍 -0% - +1% (-0.01ms - +0.03ms)
  ^{preact-local vs preact-master}
• 03_update10th1k_x16: unsure 🔍 -1% - +0% (-0.03ms - +0.02ms)
  ^{preact-local vs preact-master}
• 07_create10k: unsure 🔍 -0% - +0% (-0.00ms - +0.00ms)
  ^{preact-local vs preact-master}
• filter_list: unsure 🔍 -2% - +1% (-0.04ms - +0.01ms)
  ^{preact-local vs preact-master}
• hydrate1k: unsure 🔍 -0% - +1% (-0.01ms - +0.05ms)
  ^{preact-local vs preact-master}
• many_updates: unsure 🔍 -0% - +0% (-0.02ms - +0.01ms)
  ^{preact-local vs preact-master}
• text_update: unsure 🔍 +0% - +0% (+0.00ms - +0.00ms)
  ^{preact-local vs preact-master}

Results

02_replace1k

• Browser: chrome-headless 98.0.4758.102
• Sample size: 80
• Built by: Benchmarks #698

• Commit: a5bb7de

duration

Version	Avg time	vs preact-master	vs preact-local
preact-master	125.34ms - 130.35ms	-	unsure 🔍 -3% - +3% -3.46ms - +3.44ms
preact-local	125.49ms - 130.22ms	unsure 🔍 -3% - +3% -3.44ms - +3.46ms	-

usedJSHeapSize

Version	Avg time	vs preact-master	vs preact-local
preact-master	3.55ms - 3.58ms	-	unsure 🔍 -1% - +0% -0.03ms - +0.01ms
preact-local	3.56ms - 3.60ms	unsure 🔍 -0% - +1% -0.01ms - +0.03ms	-

run-warmup-0

Version	Avg time	vs preact-master	vs preact-local
preact-master	49.23ms - 51.01ms	-	unsure 🔍 -3% - +2% -1.40ms - +1.05ms
preact-local	49.45ms - 51.14ms	unsure 🔍 -2% - +3% -1.05ms - +1.40ms	-

run-warmup-1

Version	Avg time	vs preact-master	vs preact-local
preact-master	71.30ms - 75.07ms	-	unsure 🔍 -5% - +1% -3.57ms - +1.01ms
preact-local	73.16ms - 75.76ms	unsure 🔍 -1% - +5% -1.01ms - +3.57ms	-

run-warmup-2

Version	Avg time	vs preact-master	vs preact-local
preact-master	56.98ms - 63.93ms	-	unsure 🔍 -10% - +6% -6.22ms - +3.61ms
preact-local	58.27ms - 65.24ms	unsure 🔍 -6% - +10% -3.61ms - +6.22ms	-

run-warmup-3

Version	Avg time	vs preact-master	vs preact-local
preact-master	51.09ms - 57.63ms	-	unsure 🔍 -8% - +10% -4.10ms - +5.31ms
preact-local	50.37ms - 57.14ms	unsure 🔍 -10% - +7% -5.31ms - +4.10ms	-

run-warmup-4

Version	Avg time	vs preact-master	vs preact-local
preact-master	68.55ms - 71.88ms	-	unsure 🔍 -3% - +5% -1.78ms - +3.29ms
preact-local	67.55ms - 71.37ms	unsure 🔍 -5% - +3% -3.29ms - +1.78ms	-

run-final

Version	Avg time	vs preact-master	vs preact-local
preact-master	43.03ms - 46.26ms	-	unsure 🔍 -5% - +5% -2.04ms - +2.43ms
preact-local	42.90ms - 46.00ms	unsure 🔍 -5% - +5% -2.43ms - +2.04ms	-

03_update10th1k_x16

• Browser: chrome-headless 98.0.4758.102
• Sample size: 50
• Built by: Benchmarks #698

• Commit: a5bb7de

duration

Version	Avg time	vs preact-master	vs preact-local
preact-master	52.13ms - 55.59ms	-	unsure 🔍 -4% - +5% -2.21ms - +2.45ms
preact-local	52.19ms - 55.30ms	unsure 🔍 -5% - +4% -2.45ms - +2.21ms	-

usedJSHeapSize

Version	Avg time	vs preact-master	vs preact-local
preact-master	3.45ms - 3.48ms	-	unsure 🔍 -0% - +1% -0.02ms - +0.03ms
preact-local	3.44ms - 3.47ms	unsure 🔍 -1% - +0% -0.03ms - +0.02ms	-

07_create10k

• Browser: chrome-headless 98.0.4758.102
• Sample size: 50
• Built by: Benchmarks #698

• Commit: a5bb7de

duration

Version	Avg time	vs preact-master	vs preact-local
preact-master	1454.96ms - 1470.66ms	-	unsure 🔍 -1% - +1% -8.64ms - +13.19ms
preact-local	1452.95ms - 1468.12ms	unsure 🔍 -1% - +1% -13.19ms - +8.64ms	-

usedJSHeapSize

Version	Avg time	vs preact-master	vs preact-local
preact-master	25.36ms - 25.36ms	-	unsure 🔍 -0% - +0% -0.00ms - +0.00ms
preact-local	25.36ms - 25.36ms	unsure 🔍 -0% - +0% -0.00ms - +0.00ms	-

filter_list

• Browser: chrome-headless 98.0.4758.102
• Sample size: 70
• Built by: Benchmarks #698

• Commit: a5bb7de

duration

Version	Avg time	vs preact-master	vs preact-local
preact-master	28.03ms - 29.05ms	-	unsure 🔍 -4% - +1% -1.21ms - +0.25ms
preact-local	28.50ms - 29.54ms	unsure 🔍 -1% - +4% -0.25ms - +1.21ms	-

usedJSHeapSize

Version	Avg time	vs preact-master	vs preact-local
preact-master	1.62ms - 1.66ms	-	unsure 🔍 -1% - +2% -0.01ms - +0.04ms
preact-local	1.61ms - 1.64ms	unsure 🔍 -2% - +1% -0.04ms - +0.01ms	-

hydrate1k

• Browser: chrome-headless 98.0.4758.102
• Sample size: 80
• Built by: Benchmarks #698

• Commit: a5bb7de

duration

Version	Avg time	vs preact-master	vs preact-local
preact-master	194.19ms - 206.23ms	-	unsure 🔍 -6% - +2% -11.77ms - +3.59ms
preact-local	199.53ms - 209.07ms	unsure 🔍 -2% - +6% -3.59ms - +11.77ms	-

usedJSHeapSize

Version	Avg time	vs preact-master	vs preact-local
preact-master	6.21ms - 6.25ms	-	unsure 🔍 -1% - +0% -0.05ms - +0.01ms
preact-local	6.22ms - 6.27ms	unsure 🔍 -0% - +1% -0.01ms - +0.05ms	-

many_updates

• Browser: chrome-headless 98.0.4758.102
• Sample size: 50
• Built by: Benchmarks #698

• Commit: a5bb7de

duration

Version	Avg time	vs preact-master	vs preact-local
preact-master	21.71ms - 22.84ms	-	unsure 🔍 -3% - +5% -0.61ms - +1.01ms
preact-local	21.49ms - 22.66ms	unsure 🔍 -5% - +3% -1.01ms - +0.61ms	-

usedJSHeapSize

Version	Avg time	vs preact-master	vs preact-local
preact-master	4.65ms - 4.67ms	-	unsure 🔍 -0% - +0% -0.01ms - +0.02ms
preact-local	4.65ms - 4.66ms	unsure 🔍 -0% - +0% -0.02ms - +0.01ms	-

text_update

• Browser: chrome-headless 98.0.4758.102
• Sample size: 90
• Built by: Benchmarks #698

• Commit: a5bb7de

duration

Version	Avg time	vs preact-master	vs preact-local
preact-master	2.82ms - 2.97ms	-	unsure 🔍 -5% - +2% -0.14ms - +0.07ms
preact-local	2.85ms - 3.01ms	unsure 🔍 -3% - +5% -0.07ms - +0.14ms	-

usedJSHeapSize

Version	Avg time	vs preact-master	vs preact-local
preact-master	0.82ms - 0.82ms	-	unsure 🔍 -0% - -0% -0.00ms - -0.00ms
preact-local	0.82ms - 0.82ms	unsure 🔍 +0% - +0% +0.00ms - +0.00ms	-

_{tachometer-reporter-action v2 for Benchmarks}

[coveralls]

Coverage remained the same at 99.625% when pulling a5bb7de on michael-graves-dojo:master into d4a3013 on preactjs:master.

[rasapetter]

Any updates here? The fix seems sane.