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GoogleChrome/modern-web-guidance-src

Keep your coding agent up to date with the latest web best practices

TypeScript★ 3,444+739 that day#1 on trending

Analyzed November 13, 2026 at 3bb177a (main) with jscpd v5 in 2.6s. Code duplication went from 9.43% on Nov 12 to 9.35% on Nov 13.

E13.1/100
Project health173,235 lines of code (L)
Duplication52
8.1% in typescript, javascript, tsx, bash, astro
Dead code1
48.7%
Complexity36
74.3%

The score is jscpd's own --health model: markup, data and text left out, tests kept. The numbers below are the trending scan's.

9.35%duplicated code · 12,797 of 136,834 lines
1,011clones in code
490code files of 2,482 scanned
14.04%duplicated over all files · 3,621 clones

The code number leaves out tests, fixtures, docs, examples, data files, styles, translations and vendored code, and 1 generated file: src/dashboard/diff.min.js.

Largest clones in the code

7 more
Largest clones over all files, tests and data included
By format, code only
FormatFilesLinesClonesDuplicated linesDuplication
typescript420122,73899512,57010.24%
javascript2212,03391060.88%
tsx138403708.33%
bash35813437.4%
html16642181.25%
astro160000%
By format, all files
FormatFilesLinesClonesDuplicated linesDuplication
diff322142,6521,85136,19425.37%
typescript553156,8591,11913,7318.75%
markup43059,7974698,82214.75%
markdown58550,152611,5433.08%
json309,887512,77028.02%
javascript17321,981295522.51%
css14210,382262262.18%
yaml1621,9626723.67%
bash249154646.99%
tsx138403708.33%

Trending appearances

DayRankStarsFilesLinesClonesAll filesCodeHealthCommit
Nov 13, 2026#13,444 (+739)2,482456,3323,62114.04%9.35%E 13.13bb177a
Nov 12, 2026#21,943 (+159)2,474453,6123,61214.1%9.43%E 12.7179dbc6

Want this for your own project? Install jscpd and run jscpd ., or measure it the way the baselines were measured.