# EditorConfig properties for TypeScript: Spaces Last modified: 26 May 2024 > ### tip > > Formatting preferences listed on this page can be also configured visually, on the Code Editing | TypeScript | Formatting Style | Spaces page of ReSharper options `Alt+R, O`. ## Type parameters and arguments ### Before brackets #### Property names: `[resharper_]js_space_before_type_parameters_brackets`, `[resharper_]space_before_type_parameters_brackets` #### Possible values: `true | false` #### Examples: | true | | --- | | ```ts
class C {
}
var a: C ;
``` | | false | | --- | | ```ts
class C {
}
var a: C;
``` | ### Within brackets #### Property names: `[resharper_]js_space_within_type_parameters_brackets`, `[resharper_]space_within_type_parameters_brackets` #### Possible values: `true | false` #### Examples: | true | | --- | | ```ts
class C< T1, T2 > {
}
var a: C< number, string >;
``` | | false | | --- | | ```ts
class C {
}
var a: C;
``` | ## Type annotations ### Before ':' #### Property names: `[resharper_]js_space_before_colon_in_type_annotation`, `[resharper_]space_before_colon_in_type_annotation` #### Possible values: `true | false` #### Examples: | true | | --- | | ```ts
var a : SomeType;
``` | | false | | --- | | ```ts
var a: SomeType;
``` | ### After '?' #### Property names: `[resharper_]js_space_after_colon_in_type_annotation`, `[resharper_]space_after_colon_in_type_annotation` #### Possible values: `true | false` #### Examples: | true | | --- | | ```ts
var a: SomeType;
``` | | false | | --- | | ```ts
var a:SomeType;
``` | ## Union and intersection types ### Around '\|' or '&' in type usage #### Property names: `[resharper_]js_space_around_pipe_or_amper_in_type_usage`, `[resharper_]space_around_pipe_or_amper_in_type_usage` #### Possible values: `true | false` #### Examples: | true | | --- | | ```ts
var a: SomeType | OtherType;
``` | | false | | --- | | ```ts
var a: SomeType|OtherType;
``` |