facebookincubator / meta-code-verify
Duplication

Places in code with 6 or more lines that are exactly the same.

Intro
  • For duplication, we look at places in code where there are 6 or more lines of code that are exactly the same.
  • Before duplication is calculated, the code is cleaned to remove empty lines, comments, and frequently duplicated constructs such as imports.
  • You should aim at having as little as possible (<5%) of duplicated code as high-level of duplication can lead to maintenance difficulties, poor factoring, and logical contradictions.
Learn more...
Duplication Overall
  • 10% duplication:
    • 1,612 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
    • 169 duplicated lines
  • 14 duplicates
system10% (169 lines)
Duplication per Extension
js9% (128 lines)
css17% (41 lines)
Duplication per Component (primary)
src/js10% (128 lines)
src/css17% (41 lines)
ROOT0% (0 lines)
src/html0% (0 lines)
Longest Duplicates
The list of 14 longest duplicates.
See data for all 14 duplicates...
Size#FoldersFilesLinesCode
15 x 2 src/js
src/js
416:431 (3%)
447:462 (3%)
view
14 x 2 src/js
src/js
657:672 (2%)
699:714 (2%)
view
10 x 2 src/css
src/css
31:40 (4%)
191:200 (4%)
view
8 x 2 src/js
src/js
318:327 (1%)
365:374 (1%)
view
8 x 2 src/js
src/js
647:655 (1%)
689:697 (1%)
view
8 x 2 src/js
src/js
545:552 (1%)
663:672 (1%)
view
8 x 2 src/js
src/js
545:552 (1%)
705:714 (1%)
view
7 x 2 src/css
src/css
66:72 (2%)
138:144 (2%)
view
7 x 2 src/css
src/css
32:38 (2%)
51:57 (2%)
view
7 x 2 src/css
src/css
51:57 (2%)
192:198 (2%)
view
6 x 2 src/js
src/js
260:265 (<1%)
347:353 (<1%)
view
6 x 2 src/js
src/js
347:353 (<1%)
361:366 (<1%)
view
6 x 2 src/js
src/js
445:450 (<1%)
476:481 (<1%)
view
6 x 2 src/js
src/js
260:265 (<1%)
361:366 (<1%)
view