Invalid variable usage
JS-0043
Anti-pattern
Critical
79
Found the usage of undeclared variables
JS-0125
Bug risk
Critical
82
Found empty destructuring patterns
JS-0058
Anti-pattern
Major
1
Consider using let
or const
instead of var
JS-0239
Anti-pattern
Major
347
Found unreachable code
JS-0025
Performance
Major
5
Variable used before definition
JS-0129
Bug risk
Major
36
Should not have unused variables
JS-0128
Bug risk
Major
346
Assignment to imported bindings
JS-0035
Bug risk
Major
21
Found duplicate keys in object literals
JS-0007
Bug risk
Major
9
Use shorthand property syntax for object literals
JS-0240
Anti-pattern
Minor
66