Allow Windows CRLF in ScriptLoader CLI checks

[frostney]

Summary

• make the ScriptLoader CLI behaviour checks accept both and in the JSON output field
• keep the existing command-level assertions otherwise unchanged
• apply the fix in both and

Verification

• ./format.pas --check
• local ScriptLoader JSON output checks with the updated regex

Summary by CodeRabbit

• Tests
  • Improved test reliability across Windows and Unix-like systems by updating workflow assertions to handle different line ending formats in test output validation.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 1e3ff5b0-68db-4a29-952b-9f193aa2919a

📥 Commits

Reviewing files that changed from the base of the PR and between 450adec and 3d61e11.

📒 Files selected for processing (2)

• .github/workflows/ci.yml
• .github/workflows/pr.yml

---

📝 Walkthrough

Walkthrough

CI workflows in .github/workflows/ci.yml and .github/workflows/pr.yml were updated to handle cross-platform line endings in ScriptLoader JSON output assertions. String matching for "output":"hi\\n" was replaced with regex pattern matching via grep -Eq '"output":"hi(\\r)?\\n"' to accept both Unix and Windows line endings.

Changes

Cohort / File(s)	Summary
CI Workflow Updates .github/workflows/ci.yml, .github/workflows/pr.yml	Updated ScriptLoader JSON output assertions in both interpreted and bytecode test modes to use regex matching grep -Eq '"output":"hi(\\r)?\\n"' instead of exact string matching, enabling detection of both \n and \r\n line endings.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 From Windows to Unix, the line endings dance,
With regex magic, we give tests a chance!
Carriage returns vanquished, assertions now free,
Cross-platform harmony—just wait and see! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title directly and accurately describes the main change: updating CLI checks to accept Windows-style CRLF line endings in ScriptLoader output.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/windows-cli-output-newlines

---

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[github-actions]

Suite Timing

Suite	Metric	Interpreted	Bytecode
Tests	Total	3523	3523
Tests	Passed	3482 ✅	3523 ✅
Tests	Skipped	41	0
Tests	Execution	156.1ms	150.8ms
Tests	Engine	313.0ms	550.0ms
Benchmarks	Total	263	263
Benchmarks	Duration	7.04min	6.27min

_{Measured on ubuntu-latest x64.}

[github-actions]

Benchmark Results

263 benchmarks

Interpreted: 🟢 81 improved · 🔴 3 regressed · 179 unchanged · avg +4.6%
Bytecode: 🔴 243 regressed · 20 unchanged · avg -14.1%

arraybuffer.js — Interp: 🟢 9, 5 unch. · avg +7.8% · Bytecode: 🔴 12, 2 unch. · avg -11.8%

Benchmark	Interpreted	Δ	Bytecode	Δ
create ArrayBuffer(0)	464,418 → 507,678	🟢 +9.3%	563,910 → 481,830	🔴 -14.6%
create ArrayBuffer(64)	446,690 → 486,881	🟢 +9.0%	532,744 → 459,030	🔴 -13.8%
create ArrayBuffer(1024)	343,585 → 386,214	🟢 +12.4%	426,692 → 351,525	🔴 -17.6%
create ArrayBuffer(8192)	153,087 → 177,017	🟢 +15.6%	179,425 → 150,185	🔴 -16.3%
slice full buffer (64 bytes)	518,570 → 548,181	+5.7%	657,620 → 598,996	🔴 -8.9%
slice half buffer (512 of 1024 bytes)	443,076 → 489,289	🟢 +10.4%	565,654 → 498,973	🔴 -11.8%
slice with negative indices	437,493 → 471,920	🟢 +7.9%	607,382 → 553,113	🔴 -8.9%
slice empty range	497,669 → 545,132	🟢 +9.5%	641,816 → 587,445	🔴 -8.5%
byteLength access	1,376,515 → 1,400,770	+1.8%	1,718,183 → 1,604,722	-6.6%
Symbol.toStringTag access	1,029,711 → 990,213	-3.8%	1,148,520 → 1,076,761	-6.2%
ArrayBuffer.isView	767,637 → 789,415	+2.8%	937,361 → 847,681	🔴 -9.6%
clone ArrayBuffer(64)	432,842 → 453,844	+4.9%	509,069 → 464,418	🔴 -8.8%
clone ArrayBuffer(1024)	333,459 → 366,712	🟢 +10.0%	411,483 → 345,642	🔴 -16.0%
clone ArrayBuffer inside object	264,294 → 299,575	🟢 +13.3%	328,705 → 270,395	🔴 -17.7%

arrays.js — Interp: 🟢 10, 9 unch. · avg +7.1% · Bytecode: 🔴 19 · avg -15.4%

Benchmark	Interpreted	Δ	Bytecode	Δ
Array.from length 100	13,208 → 13,914	+5.3%	15,774 → 13,853	🔴 -12.2%
Array.from 10 elements	223,112 → 244,954	🟢 +9.8%	269,371 → 227,187	🔴 -15.7%
Array.of 10 elements	280,062 → 307,891	🟢 +9.9%	332,226 → 303,083	🔴 -8.8%
spread into new array	331,604 → 357,625	🟢 +7.8%	212,001 → 185,189	🔴 -12.6%
map over 50 elements	24,941 → 26,304	+5.5%	29,484 → 25,138	🔴 -14.7%
filter over 50 elements	22,467 → 23,970	+6.7%	26,742 → 21,487	🔴 -19.7%
reduce sum 50 elements	26,785 → 27,129	+1.3%	21,148 → 18,457	🔴 -12.7%
forEach over 50 elements	23,012 → 23,690	+2.9%	30,833 → 27,093	🔴 -12.1%
find in 50 elements	32,158 → 34,519	🟢 +7.3%	33,328 → 29,250	🔴 -12.2%
sort 20 elements	12,544 → 13,085	+4.3%	14,605 → 12,986	🔴 -11.1%
flat nested array	115,543 → 123,610	+7.0%	141,161 → 120,444	🔴 -14.7%
flatMap	72,111 → 79,850	🟢 +10.7%	89,968 → 74,724	🔴 -16.9%
map inside map (5x5)	20,147 → 22,218	🟢 +10.3%	24,881 → 20,397	🔴 -18.0%
filter inside map (5x10)	15,387 → 16,557	🟢 +7.6%	18,581 → 14,742	🔴 -20.7%
reduce inside map (5x10)	19,103 → 20,176	+5.6%	17,812 → 15,103	🔴 -15.2%
forEach inside forEach (5x10)	16,353 → 17,118	+4.7%	18,730 → 16,215	🔴 -13.4%
find inside some (10x10)	13,143 → 14,384	🟢 +9.4%	14,479 → 11,745	🔴 -18.9%
map+filter chain nested (5x20)	5,086 → 5,548	🟢 +9.1%	6,048 → 4,970	🔴 -17.8%
reduce flatten (10x5)	37,996 → 41,971	🟢 +10.5%	19,789 → 14,927	🔴 -24.6%

async-await.js — Interp: 🟢 3, 3 unch. · avg +6.9% · Bytecode: 🔴 6 · avg -14.2%

Benchmark	Interpreted	Δ	Bytecode	Δ
single await	382,497 → 404,933	+5.9%	447,584 → 363,519	🔴 -18.8%
multiple awaits	169,806 → 182,883	🟢 +7.7%	196,046 → 168,426	🔴 -14.1%
await non-Promise value	839,782 → 909,759	🟢 +8.3%	1,178,926 → 1,025,093	🔴 -13.0%
await with try/catch	369,240 → 390,544	+5.8%	440,786 → 377,962	🔴 -14.3%
await Promise.all	50,808 → 55,140	🟢 +8.5%	56,129 → 48,712	🔴 -13.2%
nested async function call	194,712 → 204,674	+5.1%	251,309 → 222,325	🔴 -11.5%

classes.js — Interp: 🟢 29, 2 unch. · avg +10.4% · Bytecode: 🔴 31 · avg -20.5%

Benchmark	Interpreted	Δ	Bytecode	Δ
simple class new	141,377 → 149,800	+6.0%	221,896 → 190,287	🔴 -14.2%
class with defaults	110,900 → 120,339	🟢 +8.5%	153,053 → 134,453	🔴 -12.2%
50 instances via Array.from	5,679 → 6,257	🟢 +10.2%	8,636 → 7,713	🔴 -10.7%
instance method call	71,165 → 77,271	🟢 +8.6%	103,126 → 87,488	🔴 -15.2%
static method call	115,274 → 123,009	+6.7%	200,134 → 172,385	🔴 -13.9%
single-level inheritance	56,757 → 61,128	🟢 +7.7%	82,417 → 71,145	🔴 -13.7%
two-level inheritance	48,567 → 53,095	🟢 +9.3%	66,257 → 55,356	🔴 -16.5%
private field access	71,311 → 78,997	🟢 +10.8%	105,022 → 87,679	🔴 -16.5%
private methods	79,101 → 85,222	🟢 +7.7%	114,945 → 92,432	🔴 -19.6%
getter/setter access	75,889 → 82,408	🟢 +8.6%	116,078 → 95,996	🔴 -17.3%
class decorator (identity)	93,004 → 102,587	🟢 +10.3%	117,064 → 92,680	🔴 -20.8%
class decorator (wrapping)	54,305 → 60,507	🟢 +11.4%	63,046 → 52,684	🔴 -16.4%
identity method decorator	65,291 → 73,008	🟢 +11.8%	97,743 → 73,263	🔴 -25.0%
wrapping method decorator	52,624 → 57,661	🟢 +9.6%	67,660 → 54,636	🔴 -19.2%
stacked method decorators (x3)	34,648 → 38,525	🟢 +11.2%	45,961 → 33,045	🔴 -28.1%
identity field decorator	71,062 → 78,336	🟢 +10.2%	83,318 → 59,606	🔴 -28.5%
field initializer decorator	59,925 → 65,842	🟢 +9.9%	70,605 → 51,291	🔴 -27.4%
getter decorator (identity)	64,809 → 72,863	🟢 +12.4%	84,120 → 59,676	🔴 -29.1%
setter decorator (identity)	54,603 → 61,416	🟢 +12.5%	66,980 → 46,543	🔴 -30.5%
static method decorator	70,873 → 77,831	🟢 +9.8%	89,020 → 63,281	🔴 -28.9%
static field decorator	81,497 → 90,456	🟢 +11.0%	89,705 → 64,600	🔴 -28.0%
private method decorator	53,150 → 58,802	🟢 +10.6%	77,582 → 57,846	🔴 -25.4%
private field decorator	58,656 → 65,486	🟢 +11.6%	64,469 → 46,614	🔴 -27.7%
plain auto-accessor (no decorator)	101,260 → 111,824	🟢 +10.4%	103,613 → 76,540	🔴 -26.1%
auto-accessor with decorator	53,860 → 60,381	🟢 +12.1%	57,984 → 47,775	🔴 -17.6%
decorator writing metadata	42,929 → 48,849	🟢 +13.8%	52,312 → 44,658	🔴 -14.6%
static getter read	122,007 → 138,284	🟢 +13.3%	169,531 → 130,363	🔴 -23.1%
static getter/setter pair	95,306 → 106,468	🟢 +11.7%	120,891 → 108,967	🔴 -9.9%
inherited static getter	75,452 → 85,561	🟢 +13.4%	105,771 → 80,195	🔴 -24.2%
inherited static setter	81,008 → 89,849	🟢 +10.9%	103,189 → 87,131	🔴 -15.6%
inherited static getter with this binding	69,347 → 77,280	🟢 +11.4%	90,052 → 73,522	🔴 -18.4%

closures.js — Interp: 🟢 3, 8 unch. · avg +6.3% · Bytecode: 🔴 11 · avg -14.0%

Benchmark	Interpreted	Δ	Bytecode	Δ
closure over single variable	131,172 → 137,142	+4.6%	287,173 → 243,412	🔴 -15.2%
closure over multiple variables	116,067 → 124,811	🟢 +7.5%	205,263 → 177,187	🔴 -13.7%
nested closures	124,626 → 132,765	+6.5%	228,695 → 197,067	🔴 -13.8%
function as argument	92,733 → 98,184	+5.9%	272,271 → 237,146	🔴 -12.9%
function returning function	117,114 → 125,647	🟢 +7.3%	300,259 → 253,623	🔴 -15.5%
compose two functions	70,610 → 75,248	+6.6%	162,473 → 135,434	🔴 -16.6%
fn.call	149,988 → 159,671	+6.5%	233,721 → 213,197	🔴 -8.8%
fn.apply	110,599 → 116,851	+5.7%	172,188 → 139,450	🔴 -19.0%
fn.bind	145,068 → 153,294	+5.7%	300,964 → 262,072	🔴 -12.9%
recursive sum to 50	11,987 → 12,630	+5.4%	27,082 → 23,305	🔴 -13.9%
recursive tree traversal	20,374 → 21,897	🟢 +7.5%	37,824 → 33,406	🔴 -11.7%

collections.js — Interp: 🟢 4, 8 unch. · avg +4.4% · Bytecode: 🔴 4, 8 unch. · avg -6.5%

Benchmark	Interpreted	Δ	Bytecode	Δ
add 50 elements	7,022 → 7,223	+2.9%	7,481 → 7,197	-3.8%
has lookup (50 elements)	90,287 → 91,685	+1.5%	102,051 → 99,017	-3.0%
delete elements	47,803 → 48,558	+1.6%	50,649 → 48,821	-3.6%
forEach iteration	15,319 → 16,416	🟢 +7.2%	16,334 → 15,066	🔴 -7.8%
spread to array	27,549 → 29,971	🟢 +8.8%	229,245 → 200,841	🔴 -12.4%
deduplicate array	36,966 → 40,255	🟢 +8.9%	72,177 → 68,130	-5.6%
set 50 entries	5,118 → 5,265	+2.9%	5,756 → 5,379	-6.5%
get lookup (50 entries)	86,523 → 87,356	+1.0%	92,784 → 92,537	-0.3%
has check	129,075 → 132,412	+2.6%	144,110 → 141,023	-2.1%
delete entries	45,680 → 45,998	+0.7%	47,535 → 46,923	-1.3%
forEach iteration	15,329 → 16,251	+6.0%	17,243 → 15,163	🔴 -12.1%
keys/values/entries	7,625 → 8,281	🟢 +8.6%	27,245 → 21,988	🔴 -19.3%

destructuring.js — Interp: 🟢 8, 14 unch. · avg +5.7% · Bytecode: 🔴 21, 1 unch. · avg -13.0%

Benchmark	Interpreted	Δ	Bytecode	Δ
simple array destructuring	364,711 → 382,700	+4.9%	283,421 → 224,725	🔴 -20.7%
with rest element	238,904 → 249,731	+4.5%	214,525 → 182,259	🔴 -15.0%
with defaults	369,560 → 399,025	🟢 +8.0%	318,284 → 263,625	🔴 -17.2%
skip elements	390,850 → 408,416	+4.5%	304,694 → 254,398	🔴 -16.5%
nested array destructuring	169,853 → 169,523	-0.2%	90,975 → 76,704	🔴 -15.7%
swap variables	495,643 → 519,828	+4.9%	339,668 → 278,975	🔴 -17.9%
simple object destructuring	299,982 → 312,879	+4.3%	423,178 → 377,607	🔴 -10.8%
with defaults	326,885 → 365,770	🟢 +11.9%	575,248 → 512,810	🔴 -10.9%
with renaming	315,084 → 346,120	🟢 +9.9%	464,940 → 418,367	🔴 -10.0%
nested object destructuring	147,546 → 154,801	+4.9%	197,148 → 183,753	-6.8%
rest properties	181,799 → 194,905	🟢 +7.2%	193,574 → 169,292	🔴 -12.5%
object parameter	93,793 → 100,286	+6.9%	154,230 → 140,686	🔴 -8.8%
array parameter	121,758 → 126,557	+3.9%	114,841 → 97,171	🔴 -15.4%
mixed destructuring in map	32,921 → 35,326	🟢 +7.3%	37,388 → 32,258	🔴 -13.7%
forEach with array destructuring	63,017 → 63,420	+0.6%	44,345 → 39,406	🔴 -11.1%
map with array destructuring	62,574 → 65,579	+4.8%	43,416 → 38,358	🔴 -11.7%
filter with array destructuring	65,335 → 68,003	+4.1%	50,217 → 43,890	🔴 -12.6%
reduce with array destructuring	71,656 → 73,718	+2.9%	47,176 → 41,974	🔴 -11.0%
map with object destructuring	71,896 → 77,872	🟢 +8.3%	98,048 → 85,155	🔴 -13.1%
map with nested destructuring	60,689 → 65,016	🟢 +7.1%	91,413 → 79,640	🔴 -12.9%
map with rest in destructuring	41,343 → 43,174	+4.4%	25,250 → 22,419	🔴 -11.2%
map with defaults in destructuring	54,950 → 60,723	🟢 +10.5%	69,240 → 61,268	🔴 -11.5%

fibonacci.js — Interp: 8 unch. · avg +2.6% · Bytecode: 🔴 7, 1 unch. · avg -13.4%

Benchmark	Interpreted	Δ	Bytecode	Δ
recursive fib(15)	317 → 332	+4.9%	954 → 803	🔴 -15.9%
recursive fib(20)	29 → 31	+5.8%	86 → 74	🔴 -13.7%
recursive fib(15) typed	324 → 328	+1.4%	994 → 849	🔴 -14.6%
recursive fib(20) typed	29 → 30	+4.3%	89 → 78	🔴 -12.5%
iterative fib(20) via reduce	11,674 → 11,790	+1.0%	18,737 → 16,135	🔴 -13.9%
iterator fib(20)	9,337 → 9,712	+4.0%	18,637 → 17,548	-5.8%
iterator fib(20) via Iterator.from + take	15,303 → 15,235	-0.4%	22,698 → 18,429	🔴 -18.8%
iterator fib(20) last value via reduce	11,522 → 11,539	+0.1%	15,922 → 13,954	🔴 -12.4%

for-of.js — Interp: 7 unch. · avg +1.7% · Bytecode: 🔴 7 · avg -11.4%

Benchmark	Interpreted	Δ	Bytecode	Δ
for...of with 10-element array	44,270 → 45,050	+1.8%	179,986 → 155,249	🔴 -13.7%
for...of with 100-element array	5,086 → 5,172	+1.7%	18,754 → 16,774	🔴 -10.6%
for...of with string (10 chars)	32,804 → 33,360	+1.7%	90,233 → 82,240	🔴 -8.9%
for...of with Set (10 elements)	44,111 → 45,165	+2.4%	169,624 → 144,898	🔴 -14.6%
for...of with Map entries (10 entries)	28,779 → 28,890	+0.4%	28,807 → 25,925	🔴 -10.0%
for...of with destructuring	37,929 → 38,505	+1.5%	39,455 → 34,191	🔴 -13.3%
for-await-of with sync array	42,032 → 43,022	+2.4%	130,877 → 119,086	🔴 -9.0%

helpers/bench-module.js — Interp: 0 · Bytecode: 0

Benchmark	Interpreted	Δ	Bytecode	Δ

iterators.js — Interp: 20 unch. · avg +1.2% · Bytecode: 🔴 20 · avg -15.8%

Benchmark	Interpreted	Δ	Bytecode	Δ
Iterator.from({next}).toArray() — 20 elements	15,095 → 15,187	+0.6%	21,998 → 18,990	🔴 -13.7%
Iterator.from({next}).toArray() — 50 elements	6,515 → 6,655	+2.2%	10,122 → 8,767	🔴 -13.4%
spread pre-wrapped iterator — 20 elements	11,104 → 11,350	+2.2%	21,547 → 18,316	🔴 -15.0%
Iterator.from({next}).forEach — 50 elements	4,485 → 4,544	+1.3%	6,300 → 5,608	🔴 -11.0%
Iterator.from({next}).reduce — 50 elements	4,635 → 4,639	+0.1%	6,047 → 5,049	🔴 -16.5%
wrap array iterator	154,668 → 164,210	+6.2%	195,771 → 167,526	🔴 -14.4%
wrap plain {next()} object	10,338 → 10,536	+1.9%	15,568 → 13,412	🔴 -13.8%
map + toArray (50 elements)	4,438 → 4,625	+4.2%	6,897 → 5,367	🔴 -22.2%
filter + toArray (50 elements)	4,350 → 4,443	+2.2%	6,712 → 5,354	🔴 -20.2%
take(10) + toArray (50 element source)	27,011 → 27,044	+0.1%	41,103 → 32,699	🔴 -20.4%
drop(40) + toArray (50 element source)	6,343 → 6,541	+3.1%	9,638 → 8,017	🔴 -16.8%
chained map + filter + take (100 element source)	7,924 → 8,064	+1.8%	12,086 → 9,879	🔴 -18.3%
some + every (50 elements)	2,532 → 2,613	+3.2%	3,884 → 3,265	🔴 -15.9%
find (50 elements)	5,612 → 5,593	-0.3%	7,996 → 6,677	🔴 -16.5%
array.values().map().filter().toArray()	7,941 → 7,870	-0.9%	10,909 → 8,809	🔴 -19.2%
array.values().take(5).toArray()	205,682 → 206,289	+0.3%	248,228 → 218,948	🔴 -11.8%
array.values().drop(45).toArray()	189,959 → 190,879	+0.5%	228,388 → 203,019	🔴 -11.1%
map.entries() chained helpers	9,635 → 9,810	+1.8%	6,354 → 5,586	🔴 -12.1%
set.values() chained helpers	16,353 → 16,412	+0.4%	22,195 → 18,854	🔴 -15.1%
string iterator map + toArray	13,379 → 12,561	-6.1%	15,751 → 12,738	🔴 -19.1%

json.js — Interp: 🟢 10, 10 unch. · avg +6.0% · Bytecode: 🔴 19, 1 unch. · avg -13.1%

Benchmark	Interpreted	Δ	Bytecode	Δ
parse simple object	168,059 → 169,135	+0.6%	192,774 → 165,482	🔴 -14.2%
parse nested object	101,355 → 101,069	-0.3%	113,279 → 99,368	🔴 -12.3%
parse array of objects	58,558 → 63,623	🟢 +8.6%	69,240 → 57,377	🔴 -17.1%
parse large flat object	65,674 → 68,449	+4.2%	76,752 → 64,945	🔴 -15.4%
parse mixed types	74,909 → 78,250	+4.5%	88,023 → 76,454	🔴 -13.1%
stringify simple object	189,998 → 206,076	🟢 +8.5%	218,387 → 198,726	🔴 -9.0%
stringify nested object	105,847 → 111,194	+5.1%	118,338 → 107,092	🔴 -9.5%
stringify array of objects	60,039 → 59,469	-0.9%	61,456 → 62,485	+1.7%
stringify mixed types	84,569 → 89,147	+5.4%	94,433 → 85,478	🔴 -9.5%
reviver doubles numbers	47,204 → 51,286	🟢 +8.6%	60,670 → 49,121	🔴 -19.0%
reviver filters properties	40,363 → 43,857	🟢 +8.7%	48,745 → 40,425	🔴 -17.1%
reviver on nested object	51,093 → 53,805	+5.3%	61,749 → 51,354	🔴 -16.8%
reviver on array	31,024 → 33,429	🟢 +7.8%	37,435 → 31,096	🔴 -16.9%
replacer function doubles numbers	46,929 → 49,450	+5.4%	58,143 → 48,550	🔴 -16.5%
replacer function excludes properties	60,179 → 62,985	+4.7%	69,414 → 58,369	🔴 -15.9%
array replacer (allowlist)	110,272 → 119,017	🟢 +7.9%	127,783 → 110,279	🔴 -13.7%
stringify with 2-space indent	94,496 → 101,616	🟢 +7.5%	108,880 → 95,784	🔴 -12.0%
stringify with tab indent	93,861 → 103,187	🟢 +9.9%	110,071 → 96,946	🔴 -11.9%
parse then stringify	53,870 → 58,863	🟢 +9.3%	64,537 → 56,555	🔴 -12.4%
stringify then parse	33,271 → 36,335	🟢 +9.2%	39,795 → 34,968	🔴 -12.1%

jsx.jsx — Interp: 🟢 2, 19 unch. · avg +4.5% · Bytecode: 🔴 18, 3 unch. · avg -12.5%

Benchmark	Interpreted	Δ	Bytecode	Δ
simple element	206,208 → 215,861	+4.7%	343,142 → 288,583	🔴 -15.9%
self-closing element	218,823 → 226,230	+3.4%	355,111 → 331,554	-6.6%
element with string attribute	174,310 → 180,501	+3.6%	264,576 → 234,285	🔴 -11.4%
element with multiple attributes	153,244 → 160,742	+4.9%	209,362 → 195,982	-6.4%
element with expression attribute	161,592 → 168,484	+4.3%	266,160 → 232,843	🔴 -12.5%
text child	206,860 → 215,243	+4.1%	326,166 → 305,710	-6.3%
expression child	203,462 → 214,155	+5.3%	342,291 → 294,701	🔴 -13.9%
mixed text and expression	192,375 → 196,646	+2.2%	297,751 → 268,150	🔴 -9.9%
nested elements (3 levels)	81,097 → 84,783	+4.5%	127,769 → 110,225	🔴 -13.7%
sibling children	58,513 → 64,537	🟢 +10.3%	92,324 → 83,908	🔴 -9.1%
component element	149,455 → 156,723	+4.9%	236,210 → 200,295	🔴 -15.2%
component with children	92,876 → 98,111	+5.6%	144,727 → 129,656	🔴 -10.4%
dotted component	125,133 → 131,409	+5.0%	184,698 → 159,967	🔴 -13.4%
empty fragment	215,664 → 229,195	+6.3%	377,376 → 331,941	🔴 -12.0%
fragment with children	59,278 → 63,359	+6.9%	95,163 → 81,547	🔴 -14.3%
spread attributes	109,036 → 116,954	🟢 +7.3%	140,510 → 124,366	🔴 -11.5%
spread with overrides	95,108 → 98,569	+3.6%	123,604 → 102,056	🔴 -17.4%
shorthand props	161,195 → 167,248	+3.8%	239,202 → 219,919	🔴 -8.1%
nav bar structure	27,852 → 28,478	+2.3%	42,113 → 33,797	🔴 -19.7%
card component tree	32,061 → 32,470	+1.3%	48,460 → 41,717	🔴 -13.9%
10 list items via Array.from	14,783 → 14,816	+0.2%	20,054 → 15,785	🔴 -21.3%

modules.js — Interp: 9 unch. · avg +0.1% · Bytecode: 🔴 9 · avg -15.6%

Benchmark	Interpreted	Δ	Bytecode	Δ
call imported function	471,729 → 471,860	+0.0%	653,594 → 592,568	🔴 -9.3%
call two imported functions	260,528 → 266,004	+2.1%	378,096 → 341,325	🔴 -9.7%
read imported constant	1,659,221 → 1,577,938	-4.9%	4,137,596 → 3,440,052	🔴 -16.9%
read imported string	1,605,958 → 1,579,605	-1.6%	4,136,826 → 3,398,285	🔴 -17.9%
read JSON string property	1,607,236 → 1,626,222	+1.2%	4,130,520 → 3,403,015	🔴 -17.6%
read JSON number property	1,584,921 → 1,585,988	+0.1%	4,133,907 → 3,383,280	🔴 -18.2%
read JSON boolean property	1,585,201 → 1,602,542	+1.1%	4,115,276 → 3,430,747	🔴 -16.6%
read JSON array property	1,580,314 → 1,582,126	+0.1%	4,138,930 → 3,383,973	🔴 -18.2%
read multiple JSON properties	916,723 → 938,892	+2.4%	3,714,982 → 3,105,671	🔴 -16.4%

numbers.js — Interp: 11 unch. · avg +2.6% · Bytecode: 🔴 11 · avg -13.4%

Benchmark	Interpreted	Δ	Bytecode	Δ
integer arithmetic	521,020 → 498,383	-4.3%	1,770,123 → 1,442,183	🔴 -18.5%
floating point arithmetic	569,238 → 584,501	+2.7%	1,304,799 → 912,934	🔴 -30.0%
number coercion	190,782 → 194,410	+1.9%	248,679 → 221,771	🔴 -10.8%
toFixed	99,539 → 105,213	+5.7%	118,325 → 105,414	🔴 -10.9%
toString	150,704 → 156,956	+4.1%	197,671 → 179,641	🔴 -9.1%
valueOf	225,492 → 239,084	+6.0%	282,349 → 248,980	🔴 -11.8%
toPrecision	140,053 → 141,701	+1.2%	170,110 → 150,975	🔴 -11.2%
Number.isNaN	317,907 → 328,451	+3.3%	366,100 → 331,759	🔴 -9.4%
Number.isFinite	318,693 → 322,142	+1.1%	349,624 → 315,280	🔴 -9.8%
Number.isInteger	322,029 → 330,010	+2.5%	387,515 → 341,638	🔴 -11.8%
Number.parseInt and parseFloat	248,802 → 259,005	+4.1%	290,791 → 251,429	🔴 -13.5%

objects.js — Interp: 7 unch. · avg +1.4% · Bytecode: 🔴 6, 1 unch. · avg -13.0%

Benchmark	Interpreted	Δ	Bytecode	Δ
create simple object	475,705 → 470,498	-1.1%	598,786 → 503,459	🔴 -15.9%
create nested object	222,653 → 234,880	+5.5%	262,512 → 226,426	🔴 -13.7%
create 50 objects via Array.from	9,076 → 9,338	+2.9%	10,485 → 8,842	🔴 -15.7%
property read	547,212 → 526,451	-3.8%	448,296 → 430,221	-4.0%
Object.keys	278,897 → 278,781	-0.0%	333,949 → 290,989	🔴 -12.9%
Object.entries	101,587 → 102,555	+1.0%	117,816 → 98,198	🔴 -16.7%
spread operator	172,161 → 181,266	+5.3%	216,032 → 189,372	🔴 -12.3%

promises.js — Interp: 🔴 2, 10 unch. · avg -2.1% · Bytecode: 🔴 11, 1 unch. · avg -12.7%

Benchmark	Interpreted	Δ	Bytecode	Δ
Promise.resolve(value)	538,360 → 507,659	-5.7%	594,694 → 542,866	🔴 -8.7%
new Promise(resolve => resolve(value))	187,558 → 186,020	-0.8%	242,253 → 211,963	🔴 -12.5%
Promise.reject(reason)	548,099 → 509,286	🔴 -7.1%	581,915 → 545,210	-6.3%
resolve + then (1 handler)	172,341 → 164,833	-4.4%	214,578 → 187,906	🔴 -12.4%
resolve + then chain (3 deep)	68,164 → 67,808	-0.5%	84,810 → 73,278	🔴 -13.6%
resolve + then chain (10 deep)	21,098 → 19,612	🔴 -7.0%	27,723 → 23,732	🔴 -14.4%
reject + catch + then	97,535 → 97,539	+0.0%	122,505 → 103,943	🔴 -15.2%
resolve + finally + then	80,083 → 82,406	+2.9%	101,516 → 85,605	🔴 -15.7%
Promise.all (5 resolved)	30,719 → 30,255	-1.5%	35,656 → 31,167	🔴 -12.6%
Promise.race (5 resolved)	32,663 → 32,526	-0.4%	37,639 → 32,694	🔴 -13.1%
Promise.allSettled (5 mixed)	25,541 → 25,727	+0.7%	30,523 → 25,907	🔴 -15.1%
Promise.any (5 mixed)	30,161 → 29,886	-0.9%	35,103 → 30,514	🔴 -13.1%

strings.js — Interp: 🟢 1, 10 unch. · avg +3.3% · Bytecode: 🔴 10, 1 unch. · avg -11.7%

Benchmark	Interpreted	Δ	Bytecode	Δ
string concatenation	387,300 → 365,941	-5.5%	310,890 → 300,529	-3.3%
template literal	599,341 → 618,076	+3.1%	658,381 → 593,767	🔴 -9.8%
string repeat	390,088 → 402,609	+3.2%	510,960 → 432,212	🔴 -15.4%
split and join	126,803 → 136,840	🟢 +7.9%	159,595 → 140,413	🔴 -12.0%
indexOf and includes	161,423 → 170,932	+5.9%	207,837 → 184,571	🔴 -11.2%
toUpperCase and toLowerCase	246,886 → 253,577	+2.7%	341,391 → 305,131	🔴 -10.6%
slice and substring	145,275 → 154,071	+6.1%	209,434 → 176,306	🔴 -15.8%
trim operations	180,866 → 189,537	+4.8%	252,134 → 219,479	🔴 -13.0%
replace and replaceAll	199,952 → 201,568	+0.8%	256,864 → 220,981	🔴 -14.0%
startsWith and endsWith	129,593 → 136,616	+5.4%	166,201 → 147,815	🔴 -11.1%
padStart and padEnd	186,024 → 190,448	+2.4%	244,561 → 212,944	🔴 -12.9%

typed-arrays.js — Interp: 🟢 2, 🔴 1, 19 unch. · avg +1.8% · Bytecode: 🔴 21, 1 unch. · avg -15.0%

Benchmark	Interpreted	Δ	Bytecode	Δ
new Int32Array(0)	324,986 → 316,473	-2.6%	400,240 → 340,334	🔴 -15.0%
new Int32Array(100)	299,451 → 287,005	-4.2%	363,719 → 307,021	🔴 -15.6%
new Int32Array(1000)	183,173 → 189,977	+3.7%	225,425 → 190,077	🔴 -15.7%
new Float64Array(100)	269,887 → 260,248	-3.6%	332,895 → 297,823	🔴 -10.5%
Int32Array.from([...])	178,576 → 190,005	+6.4%	215,578 → 183,645	🔴 -14.8%
Int32Array.of(1, 2, 3, 4, 5)	300,169 → 278,623	🔴 -7.2%	366,416 → 334,029	🔴 -8.8%
sequential write 100 elements	3,420 → 3,449	+0.8%	17,726 → 14,041	🔴 -20.8%
sequential read 100 elements	3,510 → 3,418	-2.6%	12,090 → 9,761	🔴 -19.3%
Float64Array write 100 elements	3,251 → 3,215	-1.1%	13,320 → 10,105	🔴 -24.1%
fill(42)	45,425 → 59,110	🟢 +30.1%	58,184 → 46,885	🔴 -19.4%
slice()	201,412 → 207,900	+3.2%	245,604 → 206,615	🔴 -15.9%
map(x => x * 2)	7,902 → 7,828	-0.9%	9,597 → 8,021	🔴 -16.4%
filter(x => x > 50)	8,057 → 7,958	-1.2%	10,689 → 9,206	🔴 -13.9%
reduce (sum)	7,790 → 7,433	-4.6%	8,093 → 6,771	🔴 -16.3%
sort()	165,329 → 197,385	🟢 +19.4%	208,811 → 171,696	🔴 -17.8%
indexOf()	417,732 → 444,855	+6.5%	555,157 → 470,083	🔴 -15.3%
reverse()	324,346 → 345,798	+6.6%	399,823 → 357,616	🔴 -10.6%
create view over existing buffer	392,940 → 388,743	-1.1%	484,525 → 429,452	🔴 -11.4%
subarray()	415,174 → 409,461	-1.4%	547,508 → 458,984	🔴 -16.2%
set() from array	566,864 → 572,266	+1.0%	682,710 → 636,643	-6.7%
for-of loop	4,990 → 4,747	-4.9%	19,361 → 16,445	🔴 -15.1%
spread into array	17,182 → 16,622	-3.3%	99,782 → 89,722	🔴 -10.1%

_{Measured on ubuntu-latest x64. Changes within ±7% are considered insignificant.}