comma-dangle 
This rule extends the base comma-dangle rule. It adds support for TypeScript syntax.
Options 
In addition to the options supported by the js/comma-dangle rule, the rule adds the following options:
- "enums"is for trailing comma in enum. (e.g.- enum Foo = {Bar,})
- "generics"is for trailing comma in generic. (e.g.- function foo<T,>() {})
- "tuples"is for trailing comma in tuple. (e.g.- type Foo = [string,])