| Name | Lines of code | Maintainability | Test coverage |
| lib/fn.js | 34 | A 0 mins | |
| test-ts/oneof.ts | 34 | A 0 mins | |
| lib/suchthat.js | 39 | A 2 hrs | |
| lib/either.js | 50 | A 3 hrs | |
| lib/api.js | 55 | A 0 mins | |
| lib/show.js | 55 | A 0 mins | |
| lib/record.js | 57 | A 0 mins | |
| lib/json.js | 61 | A 0 mins | |
| lib/functor.js | 61 | A 0 mins | |
| lib/typify.js | 92 | A 0 mins | |
| examples/set-cover/set-cover.js | 100 | D 2 days | |
| examples/set-cover-dsl/set-cover.js | 101 | D 1 day | |
| lib/shrink.js | 137 | A 0 mins | |
| lib/arbitrary.js | 145 | C 1 day | |
| lib/generator.js | 149 | A 0 mins | |
| lib/utils.js | 187 | D 2 days | |
| lib/primitive.js | 197 | A 45 mins | |
| lib/jsverify.js | 272 | C 1 day |