vercel-labs/scriptc

TypeScript-to-Native Compiler

TypeScript★ 5,477+102 that day#4 on trendingC 57.9 health6.46% duplicated

Analyzed September 28, 2026 at 6aa732c (main) with jscpd v5 in 3.0s.

C57.9/100

Project health446,469 lines of code (L)

Duplication58

6.8% in typescript, c, javascript, c-header, tsx, bash, cpp, perl, python

Dead code100

0%

Complexity39

69.1%

Most complex files

packages/compiler/src/frontend/lowering/lower-calls.ts3267 cx
packages/compiler/src/frontend/lowering/lower-exprs.ts2997 cx
packages/compiler/src/backend/c/exprs.ts2875 cx
packages/compiler/src/frontend/lowering/lower-builtins.ts2824 cx
packages/compiler/src/frontend/lowering/lowerer.ts2777 cx
packages/compiler/src/frontend/lowering/lower-stmts.ts2232 cx
packages/compiler/src/ir/validate.ts2179 cx
packages/runtime/src/scr_fetch.c1956 cx
packages/runtime/src/scr_http.c1757 cx
packages/runtime/src/scr_child.c1697 cx

Dead code 0.01% unused · 3 findings

packages/compiler/src/frontend/ts7/census-check.tsunused-file
packages/llvm-darwin-arm64/scripts/build.mjs:dirnameunused-import
packages/runtime-darwin-x64/scripts/build.mjs:joinunused-import

2,535files

471,976lines

4,464,041tokens

2,218clones

30,467duplicated lines (6.46%)

231,988duplicated tokens (5.2%)

By format

Format	Files	Lines	Clones	Duplicated lines	Duplication
typescript	1,832	319,220	1,623	23,009	7.21%
c	106	92,512	450	4,919	5.32%
javascript	336	16,768	73	1,021	6.09%
c-header	8	14,685	48	1,276	8.69%
txt	149	5,899	12	100	1.7%
yaml	2	916	10	122	13.32%
json	51	16,802	1	10	0.06%
css	1	519	1	10	1.93%
tsx	15	1,806	0	0	0%
markdown	13	1,273	0	0	0%

Largest clones

738 lines · 26,511 tokens c-headerpackages/runtime/src/scr_text_decoder_data.h:4012–4749⇆packages/runtime/src/scr_text_decoder_data.h:5492–6229
6999 lines · 13,997 tokens typescripttests/diagnostics/deep-nesting-preflight.ts:2–7000⇆tests/diagnostics/deep-nesting-preflight.ts:3–7001
89 lines · 3,151 tokens c-headerpackages/runtime/src/scr_text_decoder_data.h:2534–2622⇆packages/runtime/src/scr_text_decoder_data.h:6298–6386
60 lines · 2,121 tokens c-headerpackages/runtime/src/scr_text_decoder_data.h:3950–4009⇆packages/runtime/src/scr_text_decoder_data.h:6235–6294
31 lines · 1,088 tokens c-headerpackages/runtime/src/scr_text_decoder_data.h:4702–4732⇆packages/runtime/src/scr_text_decoder_data.h:6388–6418
85 lines · 813 tokens cpackages/runtime/src/scr_child.c:1960–2044⇆packages/runtime/src/scr_child.c:4471–4555
51 lines · 543 tokens cpackages/runtime/src/scr_child.c:2359–2409⇆packages/runtime/src/scr_child.c:4947–4997
67 lines · 529 tokens cpackages/runtime/src/scr_child.c:1893–1959⇆packages/runtime/src/scr_child.c:4404–4470
93 lines · 509 tokens javascripttests/corpus/1700-mustcall-common/common.cjs:6–98⇆tests/corpus/1701-mustcall-exit-report/common.cjs:6–98
43 lines · 424 tokens cpackages/runtime/src/scr_child.c:2215–2257⇆packages/runtime/src/scr_child.c:4783–4825

Trending appearances

Day	Rank	Stars	Files	Lines	Clones	Duplication	Health	Commit
Sep 28, 2026	#4	5,477 (+102)	2,535	471,976	2,218	6.46%	C 57.9	`6aa732c`

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