Rules
The progress of all rule implementations is tracked here.
- Total number of rules: 524
- Rules turned on by default: 123
Legend for 'Fixable?' column:
- 🛠️: an auto-fix is available for this rule
- 💡: a suggestion is available for this rule
- ⚠️🛠️: a dangerous auto-fix is available for this rule
- ⚠️💡: a dangerous suggestion is available for this rule
- 🚧: an auto-fix or suggestion is possible, but currently not implemented
Correctness (176):
Code that is outright wrong or useless.
Perf (10):
Code that can be written to run faster.
| Rule name | Source | Default | Fixable? |
|---|---|---|---|
| no-await-in-loop | eslint | ||
| no-useless-call | eslint | ||
| no-accumulating-spread | oxc | ||
| no-array-index-key | react | ||
| jsx-no-jsx-as-prop | react_perf | ||
| jsx-no-new-array-as-prop | react_perf | ||
| jsx-no-new-function-as-prop | react_perf | ||
| jsx-no-new-object-as-prop | react_perf | ||
| prefer-array-find | unicorn | 🚧 | |
| prefer-set-has | unicorn | ⚠️🛠️️ |
Restriction (66):
Lints which prevent the use of language and library features. Must not be enabled as a whole, should be considered on a case-by-case basis before enabling.
Suspicious (33):
code that is most likely wrong or useless.
| Rule name | Source | Default | Fixable? |
|---|---|---|---|
| block-scoped-var | eslint | ||
| no-extend-native | eslint | ||
| no-extra-bind | eslint | 🚧 | |
| no-new | eslint | ||
| no-unexpected-multiline | eslint | ⚠️🛠️️ | |
| no-unneeded-ternary | eslint | ⚠️🛠️️ | |
| no-useless-concat | eslint | ||
| no-useless-constructor | eslint | 🛠️ | |
| no-absolute-path | import | 🚧 | |
| no-empty-named-blocks | import | 🛠️ | |
| no-named-as-default | import | ||
| no-named-as-default-member | import | ||
| no-self-import | import | ||
| no-unassigned-import | import | ||
| no-commented-out-tests | jest | ||
| approx-constant | oxc | ||
| misrefactored-assign-op | oxc | 🚧 | |
| no-async-endpoint-handlers | oxc | ||
| no-promise-in-callback | promise | ||
| iframe-missing-sandbox | react | 🚧 | |
| jsx-no-comment-textnodes | react | ||
| jsx-no-script-url | react | 🚧 | |
| no-namespace | react | ||
| react-in-jsx-scope | react | ||
| style-prop-object | react | ||
| no-confusing-non-null-assertion | typescript | 🚧 | |
| no-extraneous-class | typescript | ⚠️💡 | |
| no-unnecessary-type-constraint | typescript | ||
| consistent-function-scoping | unicorn | 🚧 | |
| no-accessor-recursion | unicorn | ||
| no-instanceof-builtins | unicorn | 🚧 | |
| prefer-add-event-listener | unicorn | 🚧 | |
| require-post-message-target-origin | unicorn | 💡 |
Pedantic (82):
Lints which are rather strict or have occasional false positives.
Style (149):
Code that should be written in a more idiomatic way.
Nursery (8):
New lints that are still under development.
| Rule name | Source | Default | Fixable? |
|---|---|---|---|
| getter-return | eslint | ||
| no-undef | eslint | ||
| no-unreachable | eslint | ||
| export | import | ||
| named | import | ||
| no-map-spread | oxc | 🛠️💡 | |
| no-return-in-finally | promise | ||
| require-render-return | react |