Additional new line inserted around attributes.

[nojaf]

Issue created from fantomas-online

Code

[<AllowNullLiteral>]
type TimelineOptionsItemCallbackFunction =
    [<Emit "$0($1...)">]
    abstract Invoke: item:TimelineItem * callback:(TimelineItem option -> unit) -> unit

[<AllowNullLiteral>]
type TimelineOptionsGroupCallbackFunction =
    [<Emit "$0($1...)">]
    abstract Invoke: group:TimelineGroup * callback:(TimelineGroup option -> unit) -> unit

type TimelineOptionsGroupEditableType = U2<bool, TimelineGroupEditableOption>

type TimelineOptionsGroupOrderType = U2<string, TimelineOptionsComparisonFunction>

[<AllowNullLiteral>]
type TimelineOptionsGroupOrderSwapFunction =
    [<Emit "$0($1...)">]
    abstract Invoke: fromGroup:obj option * toGroup:obj option * groups:DataSet<DataGroup> -> unit

Result

[<AllowNullLiteral>]
type TimelineOptionsItemCallbackFunction =
    [<Emit "$0($1...)">]
    abstract Invoke: item:TimelineItem * callback:(TimelineItem option -> unit) -> unit

[<AllowNullLiteral>]
type TimelineOptionsGroupCallbackFunction =
    [<Emit "$0($1...)">]

    abstract Invoke: group:TimelineGroup * callback:(TimelineGroup option -> unit) -> unit

type TimelineOptionsGroupEditableType = U2<bool, TimelineGroupEditableOption>

type TimelineOptionsGroupOrderType = U2<string, TimelineOptionsComparisonFunction>

[<AllowNullLiteral>]
type TimelineOptionsGroupOrderSwapFunction =
    [<Emit "$0($1...)">]
    abstract Invoke: fromGroup:obj option * toGroup:obj option * groups:DataSet<DataGroup> -> unit

Problem description

Related to #933

Extra information

• The formatted result breaks by code.
• The formatted result gives compiler warnings.
• I or my company would be willing to help fix this.

Options

Fantomas Master at 07/06/2020 19:00:49 - 07fb56b

Name	Value
IndentSize	4
MaxLineLength	120
SemicolonAtEndOfLine	false
SpaceBeforeParameter	true
SpaceBeforeLowercaseInvocation	true
SpaceBeforeUppercaseInvocation	false
SpaceBeforeClassConstructor	false
SpaceBeforeMember	false
SpaceBeforeColon	false
SpaceAfterComma	true
SpaceBeforeSemicolon	false
SpaceAfterSemicolon	true
IndentOnTryWith	false
SpaceAroundDelimiter	true
MaxIfThenElseShortWidth	40
MaxInfixOperatorExpression	50
MaxRecordWidth	40
MaxArrayOrListWidth	40
MaxValueBindingWidth	40
MaxFunctionBindingWidth	40
MultilineBlockBracketsOnSameColumn	false
NewlineBetweenTypeDefinitionAndMembers	false
KeepIfThenInSameLine	false
MaxElmishWidth	40
SingleArgumentWebMode	false
StrictMode	false

[nojaf]

Simpler example:

[<AllowNullLiteral>]
type TimelineOptionsGroupCallbackFunction =
    [<Emit "$0($1...)">]
    abstract Invoke: group:TimelineGroup * callback:(TimelineGroup option -> unit) -> unit

type TimelineOptionsGroupEditableType = U2<bool, TimelineGroupEditableOption>