Unicorn

245 rules eslint-plugin-unicorn@78.0.0

Complete effective rule inventory.

Docs

unicorn/no-invalid-response-options
Disallow invalid options in new Response(), Response.json(), and Response.redirect().

: error in All Unicorn contexts

No autofix; suggestions available
unicorn/no-invalid-style-set-property
Disallow invalid arguments to CSSStyleDeclaration#setProperty().

: error in All Unicorn contexts

No autofix; suggestions available
unicorn/no-invalid-temporal-arithmetic
Disallow statically known invalid Temporal arithmetic.

: error in All Unicorn contexts

No autofix; suggestions available
unicorn/no-invalid-url-protocol-comparison
Disallow invalid protocol strings in comparisons with URL#protocol.

: error in All Unicorn contexts

Autofix available
unicorn/no-invalid-well-known-symbol-methods
Disallow invalid implementations of well-known symbol methods.

: error in All Unicorn contexts

Autofix available; suggestions available
unicorn/no-late-current-target-access
Disallow accessing event.currentTarget after the synchronous event dispatch has finished.

: error in All Unicorn contexts

No autofix
unicorn/no-late-event-control
Disallow event-control method calls after the synchronous event dispatch has finished.

: error in All Unicorn contexts

No autofix
unicorn/no-leading-empty-lines
Disallow empty lines at the beginning of a file.

: error in All Unicorn contexts

Autofix available
unicorn/no-loop-iterable-mutation
Disallow mutating a loop iterable during iteration.

: error in All Unicorn contexts

No autofix
unicorn/no-magic-array-flat-depth
Disallow a magic number as the depth argument in Array#flat(…).

: error in All Unicorn contexts

No autofix
unicorn/no-mismatched-map-key
Disallow checking a Map key before accessing a different key.

: error in All Unicorn contexts

No autofix
unicorn/no-misrefactored-assignment
Disallow misrefactored compound assignments where the target is duplicated in the right-hand side.

: error in All Unicorn contexts

No autofix; suggestions available
unicorn/no-missing-local-resource
Disallow references to missing local resources.

: error in All Unicorn contexts

Autofix available
unicorn/no-multiple-promise-resolver-calls
Disallow calling Promise executor resolver functions more than once on the same execution path.

: error in All Unicorn contexts

No autofix
unicorn/no-negation-in-equality-check
Disallow negated expression in equality check.

: error in All Unicorn contexts

No autofix; suggestions available
unicorn/no-new-buffer
Enforce the use of Buffer.from() and Buffer.alloc() instead of the deprecated new Buffer().

: error in All Unicorn contexts

Autofix available; suggestions available
unicorn/no-nonstandard-builtin-properties
Disallow non-standard properties on built-in objects.

: error in All Unicorn contexts

No autofix
unicorn/no-object-as-default-parameter
Disallow the use of objects as default parameters.

: error in All Unicorn contexts

No autofix
unicorn/no-object-methods-with-collections
Disallow Object methods with Map or Set.

: error in All Unicorn contexts

No autofix; suggestions available
unicorn/no-optional-chaining-on-undeclared-variable
Disallow optional chaining on undeclared variables.

: error in All Unicorn contexts

No autofix
unicorn/no-prevent-default-in-passive-listener
Disallow ineffective preventDefault() calls in passive event listeners.

: error in All Unicorn contexts

No autofix; suggestions available
unicorn/no-redundant-comparison
Disallow comparisons made redundant by an equality check in the same logical AND.

: error in All Unicorn contexts

Autofix available; suggestions available
unicorn/no-repeated-call-wrappers
Disallow repeating the same wrapper at every call to a function.

: warning in All Unicorn contexts

No autofix
unicorn/no-return-array-push
Disallow using the return value of Array#push() and Array#unshift().

: error in All Unicorn contexts

No autofix; suggestions available
unicorn/no-selector-as-dom-name
Disallow selector syntax in DOM names.

: error in All Unicorn contexts

Autofix available
unicorn/no-shorthand-property-overrides
Disallow shorthand properties that override related longhand properties.

: error in All Unicorn contexts

No autofix
unicorn/no-single-promise-in-promise-methods
Disallow passing single-element arrays to Promise methods.

: error in All Unicorn contexts

Autofix available; suggestions available
unicorn/no-subtraction-comparison
Prefer comparing values directly over subtracting and comparing to 0.

: error in All Unicorn contexts

Autofix available; suggestions available
unicorn/no-this-assignment
Disallow assigning this to a variable.

: error in All Unicorn contexts

No autofix
unicorn/no-this-outside-of-class
Disallow this outside of classes.

: error in All Unicorn contexts

No autofix
unicorn/no-typeof-undefined
Disallow comparing undefined using typeof.

: error in All Unicorn contexts

Autofix available; suggestions available
unicorn/no-uncalled-method
Disallow referencing methods without calling them.

: error in All Unicorn contexts

No autofix

Rules