| Name | Lines of code | Maintainability | Test coverage |
| src/isiterable.js | 3 | A 0 mins | |
| src/keyboard.js | 84 | A 2 hrs | |
| src/keystrokehandler.js | 30 | A 0 mins | |
| src/locale.js | 38 | A 0 mins | |
| src/mapsequal.js | 13 | A 0 mins | |
| src/mix.js | 13 | A 0 mins | |
| src/nth.js | 9 | A 0 mins | |
| src/objecttomap.js | 7 | A 0 mins | |
| src/observablemixin.js | 266 | C 1 day | |
| src/priorities.js | 15 | A 0 mins | |
| src/spy.js | 6 | A 0 mins | |
| src/tomap.js | 9 | A 0 mins | |
| src/translation-service.js | 48 | A 45 mins | |
| src/uid.js | 25 | A 0 mins | |
| src/unicode.js | 15 | A 1 hr | |
| src/version.js | 11 | A 0 mins |