Changelog

6.3.16 - 2024-10-29

Fixed

Idempotency problem when calling multi-line discriminated union with generic type parameter. #3132

6.3.15 - 2024-09-14

Fixed

Non needed parentheses are added around lambda call from tuple/members. #3082

6.3.14 - 2024-09-14

Fixed

Idempotency problem when _.Property shorthand with record value. #3120

6.3.13 - 2024-09-10

Fixed

Idempotency problem when adding members to a single case union without a pipe #3102

6.3.12 - 2024-09-05

Fixed

Fantomas deletes attributes from getters. #3114

6.3.11 - 2024-08-16

Fixed

F# Range Operator (..) with negative numbers produces invalid F# code and idempotent. #3105

6.3.10 - 2024-07-12

Changed

Update FCS to 'Allow ParsedHashDirectives to take non string arguments', commit 836d4e0603442d6053c8d439993a022501cae494 #3096

Fixed

Regression with dot lambda args being pushed out too far. #3097

6.3.9 - 2024-06-10

Fixed

Invalid location of comma when using named parameters for a class. #2865

6.3.8 - 2024-06-06

Fixed

Fix loss of tuple type annotation without parens. #2942
Fix precedence change of ||> due to inserted newline. #2866

6.3.7 - 2024-06-01

Fixed

Fix case determination issue with ExprAppNode and ExprParenNode. #2998

6.3.6 - 2024-06-01

Fixed

Fix case determination issue with ExprAppSingleParenArgNode. #3088

6.3.5 - 2024-05-30

Fixed

Idempotency problem when _.Property shorthand. #3050

6.3.4 - 2024-04-16

Fixed

Regression: An empty line or comment at the end of a list breaks Stroustrup formatting. #3079

6.3.3 - 2024-04-12

Fixed

FormatASTAsync loses single quotes for characters. #3076

6.3.2 - 2024-04-12

Changed

Update FCS to 'Add SynExprSequentialTrivia', commit 050271d631956a4e0d0484a583d38236b727a46d #3075

Fixed

Fantomas corrupts an explicit constructor with then clause. #3074

6.3.1 - 2024-03-30

Fixed

HashDirective before closing ]. #3070

6.3.0 - 2024-03-15

Miscellaneous

Stable release of 6.3

6.3.0-beta-001 - 2024-03-07

Miscellaneous

Release candidate of 6.3

6.3.0-alpha-008 - 2024-03-01

Changed

Update FCS to 'Fix range start of INTERP_STRING_PART', commit 1da032a64321c77782e8d125afd3bf29863c3d9c #3052

Fixed

Equals sign should only be on same line if last tuple is multiline. #3040
Return type should go on next line. #3041
Fantomas does not support extended interpolated strings #3012

6.3.0-alpha-007 - 2024-01-27

Changed

Update FCS to 'Parser: parse primary ctor params as normal patterns', commit e2496896c128ccfde33c92f45bbe0d2aa738873a #3034
Multiline secondary constructor. #3037 style guide

6.3.0-alpha-006 - 2024-01-09

Changed

Aligned bracket style in anonymous record is not respected. #2706 style guide

6.3.0-alpha-005 - 2023-12-22

Changed

Turn on strict indentation in the lexer in Fantomas.FCS. #3014

Fixed

Unmatched '{' error when formatting the code. #3017
Comment lost after named pat pair. #2953
Fix accidental treatment of old flags as folder args. #2854
Fix removal of first character in output file name. #3025

6.3.0-alpha-004 - 2023-12-06

Fixed

Process is reserved keyword. #2996
Always yield list items on separate lines if a conditional is present. #2972
Trivia after mutable keyword is missing. #3005
Formatting can depend on cursor position. #3007

Changed

Update FCS to 'Parser: recover on unfinished record decls, fix field ranges ', commit ee4a810ffe9e984e2ec8c55a9cb6d1c6631dd0b3 #3006

6.3.0-alpha-003 - 2023-11-15

Fixed

Reformatting code with flexible type syntax remove hash symbol. #2984

6.3.0-alpha-002 - 2023-11-07

Changed

Update FCS to 'Bugfix for underscore dot lambda: Forbidding expressions not based on the implied _ arg', commit f42bdae84727fc251a6e570c2f1c47a3deffe215

Added

Add support for while!. #2977

6.3.0-alpha-001 - 2023-11-03

Changed

Remove blank line between type extension. #2970
ExperimentalKeepIndentInBranch should fire when first branch was all on one line. #2973
Style for empty class. #2976

6.2.3 - 2023-11-2

Fixed

Crash when trying to format indexed property with three arguments. #2971

6.2.2 - 2023-10-18

Fixed

Space before should not be introduced for index expression. #2965

6.2.1 - 2023-09-18

Fixed

Backticks in optional parameter gets removed #2954
Ticks in namespace are lost #2959

6.2.0 - 2023-08-29

Changed

Update FCS to 'Included get,set in range of AutoProperty', commit d508186f510681d1261291474e3f9f25485999a8
Update FCS to 'Add a Paren case to SynRationalConst', commit 97a5b6584b54707e3e8541fe758e1aa22132a8fe

Added

Initial support for SynExpr.DotLambda #2920 (See dotnet/fsharp#13907)
Initial support for SynType.Intersection #2920 (See dotnet/fsharp#15413)

Fixed

Comment no longer attached to autoproperty. #2948
begin/end are replaced with parens. #2368
Block comment in Rational between lparen and numerator is moved before lparen. #2930
Block comment in Rational between / and denominator is moved before /. #2932
Block comment in Rational between denominator and rparen is moved behind rparen. #2933

6.1.3 - 2023-08-25

Changed

Update FCS to 'Add some more ranges to SynMeasure for tooling support', commit 6ed38fcb360a0015828973b1f32cd2ea6b58c6ad

Fixed

Block comment in Rational between numerator and / is lost. #2931
Block comment between ^- and exponent in SynMeasure.Power is lost. #2937
Block comment between measure1 and / is moved between / and measure2 in SynMeasure.Divide. #2934
Block comment between measure1 and * is moved between * and measure2 in SynMeasure.Product. #2935
Block comment between ^ and exponent in SynMeasure.Power is lost. #2936
Opening parens make unstable/incorrect indentation for an Enum wrapping a record. #2943

6.1.2 - 2023-07-23

Changed

Update FCS to 'Add trivia information to SynConst.Measure', commit 7b5e12842d673b7daa467e0091378bf4acc95e4f

Fixed

Left out lhs in SynMeasure.Divide should not be restored as SynMeasure.One. #2926
Block comments in measure are lost or restored twice and in wrong place. #2927

6.1.1 - 2023-06-29

Changed

Update FCS to 'Remove unused open in SyntaxTree.fs', commit 9c8b4192966e6554adc5dcc8973f2a23c8fa2722

6.1.0 - 2023-06-28

Fixed

Additional newline for interface in object expression. #2914

6.1.0-alpha-006 - 2023-06-20

Fixed

Contains fixes of 6.0.8

6.1.0-alpha-005 - 2023-06-20

Fixed

Contains fixes of 6.0.7

6.1.0-alpha-004 - 2023-06-19

Fixed

Contains fixes of 6.0.6

6.1.0-alpha-003 - 2023-06-02

Changed

Rename namespace FSharp.Compiler to namespace Fantomas.FCS for Fantomas.FCS. #2894

6.1.0-alpha-002 - 2023-05-02

Changed

Enrich transformed Oak. #2869

6.1.0-alpha-001 - 2023-05-02

Added

TransformAST in CodeFormatter. #2868

[6.0.8] - 2023-06-20

Fixed

Inline keyword is missing in property #2908

[6.0.7] - 2023-06-20

Fixed

Private keyword is lost from getter with unit. #2906

[6.0.6] - 2023-06-19

Fixed

Setter is also private. #2902

[6.0.5] - 2023-06-06

Fixed

Idempotency problem when reformatting type declaration with large when clause. #2896

[6.0.4] - 2023-06-02

Changed

Update FCS to 'Prototype signature files for lex files', commit 5b74995780a0e9d24a5db025e68b31e6d910f71f

Fixed

Missing space before arrow. #2888
Cons pattern in let bindings is converted to invalid code. #1996
Trivia after infix operator is not restored correctly. #2887

[6.0.3] - 2023-05-14

Fixed

Preserves quotes around type parameter names. #2875
Additional whitespace for LineCommentAfterSourceCode when last character is a ,. #2589
Tupled parameter wrapped in conditional directive. #2877

Changed

Update FCS to 'Add commas to tuple pat and simple pats', commit e267bb9f8d590feed1b94b469d78cfce61afecad

[6.0.2] - 2023-05-05

Fixed

Incorrect indentation of compiler-conditional accessibility modifier for module definition. #2867
Comment above the record bracket beaks formatting when MultilineBracketStyle is Stroustrup. #2871

[6.0.1] - 2023-04-19

Fixed

Invalid code: moved line comment. #2847

[6.0.0] - 2023-04-13

Fixed

Trivia of ParseOak is not processed. #2834

[6.0.0-beta-001] - 2023-04-05

Fixed

If then expression inside object instantiation breaks when formatted. #2819
fsharp_space_before_colon not honored for return type info of explicit get, set. #2825
Fantomas is trying to format the input multiple times due to the detection of multiple defines. #2822

Changed

Update FCS to 'Add parser recovery for incomplete named pat pair', commit ba6647ebf5b94823c4d6fafd1e7d5f806d915ee0

[6.0.0-alpha-010] - 2023-04-03

Fixed

Fix a performance regression. #2820

[6.0.0-alpha-009] - 2023-03-31

Fixed

Adding space after prefix operator breaks code. #2796
Idempotency problem when comment after pattern match arrow and Stroustrup. #2806

[6.0.0-alpha-008] - 2023-03-27

Fixed

Nested multiline record with indent_size = 2. #2801
Idempotency problem when comment after opening brace in inherit record. #2803

[6.0.0-alpha-007] - 2023-03-27

Changed

CodeFormatter.FormatASTAsync returns a string. #2799
Cursor with defines. #2774

Removed

Strict mode. #2798

[6.0.0-alpha-006] - 2023-03-17

Fixed

Record member declarations can break with Stroustrup enabled. #2787

Changed

Add fsharp_experimental_elmish setting. #2795

[6.0.0-alpha-005] - 2023-02-24

Changed

Fix handling of AppExpr with a single stroustrup record. #2747
Inconsistent styling when using Stroustrup with or without member attach to record creation. #2652

[6.0.0-alpha-004] - 2023-02-22

Changed

Always process folder recursive. #2768
Revisit --profile flag. #2751

Fixed

Don't hook up SerilogTraceListener in FantomasDaemon. #2777

[6.0.0-alpha-003] - 2023-02-04

Changed

Splitting ExperimentalStroustrupStyle to separate settings. #2276
Remove F# option from public API. #2759
Naive parallel formatting implementation. #2717
Add separate CodeFormatter.FormatDocumentAsync overloads with cursor and config. #2763

[6.0.0-alpha-002] - 2023-02-01

Changed

Update output for copy-and-update expression for Stroustrup. #2748
Drop Experimental prefix from ExperimentalStroustrup. #2755
Expose initial Oak API. #2758

[6.0.0-alpha-001] - 2023-01-24

Changed

Add --verbosity flag. #2693
Sunset MultilineBlockBracketsOnSameColumn & ExperimentalStroustrupStyle. #2710
Move FormatConfig into Fantomas.Core namespace. #2736
Initial cursor API. #2739

[5.2.4] - 2023-03-17

Fixed

Idempotency problem with module abbreviation in signature file. #2792

Changed

Update FCS to 'Fix range for ModuleAbbrev...', commit 62dfce601573f44779b9c890e8944826f5ccfef0

[5.2.3] - 2023-03-06

Fixed

Duplicate newline in else if. #2752
Try-with expression with long when guard - when breaking line, add a double indent when the indent_size is lower than the default 4 spaces. #2784

[5.2.2] - 2023-02-18

Fixed

Fixes comma breaking with lambda in tuple. #2771

[5.2.1] - 2023-02-04

Fixed

Conditional defines around selfIdentifier in implicit type constructor. #2733
Insert extra spaces around index between method calling and member variable accessing. #2760
Exception caused by long line over 80 characters including method calling and member indexing. #2761

Changed

Update FCS to 'Add SynMemberDefnImplicitCtorTrivia', commit 924a64e8e40c840f05fbe7113796f267dd603282

[5.2.0] - 2023-01-19

Fixed

Optional constructor arguments are lost. #2718
Bad format result with SynExpr.DotSet. #2000
Empty nested module. #2721
Optional parameter lost backticks. #2731

[5.2.0-alpha-012] - 2023-01-14

Fixed

Trivia before open statement is not preserved. #2704
Type app identifier is considered as an expression. #2705
Subsequent identifier links in chain should be on the same line. #2712
Delegate with many parameters result in a compilation error. #1514
MultiLineLambdaClosingNewline + ExperimentalStroustrupStyle is not displaying very well for some use cases. #2378

[5.2.0-alpha-011] - 2023-01-12

Fixed

Stroustrup: Two lists given directly as parameters, break code #2681
fsharp_experimental_stroustrup_style=true breaks on types with nested anonymous records. #2413
Stroustrup style breaks on nested records. #2587
Unit is lost inside dot get chain. #2683
Piped multiline application is indented too far. #2682
Comment not assigned to first parameter in constructor. #2692
Stroustrup: Type alias for anonymous record type. #2179
Space before lambda should not occur in chain. #2685
Trivia inside chained lambda is not restored correctly. #2686
SpaceBeforeUppercaseInvocation not respected in TypeApp DotGet. #2700

[5.2.0-alpha-010] - 2022-12-30

Fixed

Conditional compilation of a declaration is lost. #640
Block comment is not assigned to trivia node. #2490

[5.2.0-alpha-009] - 2022-12-29

Fixed

ifdef removed when used on inline keyword in function. #2017

Changed

Update FCS to 'Include inline in trivia', commit e30d14cb46f290050ac8e2bbea5e9b804b97bdde

[5.2.0-alpha-008] - 2022-12-28

Fixed

else followed by //comment and then if has incorrect indention. #2449
Multiple List concat operators are not seen as the same operator. #2472
Multiline string inside lambda expression fails to format. #1299
Can't format fragment of source code with #if element, and keyword, and triple-slash comment. #2360
Wrong formatting applied to fragment of code with #if clause. #2361
Comment in middle of pattern fail formatting. #1939

[5.2.0-alpha-007] - 2022-12-26

Fixed

Comment dropped in constructor parameter list. #1872
Block comment before unit is missing. #2660

Changed

Update config to accept a single option for multiline_bracket_style. #2425

[5.2.0-alpha-006] - 2022-12-22

Fixed

Conditional directives around internal keyword. #628

[5.2.0-alpha-005] - 2022-12-16

Fixed

MultiLineLambdaClosingNewline didn't trigger correctly on line which was one character too long. #2642

Changed

Enable ServerGarbageCollection. #2655

[5.2.0-alpha-004] - 2022-12-07

Fixed

genNode for patterns case by case. #2644
Mutable and private keywords are swapped. #2646
Stroustrup results in heavily indented second argument. #2648
Comment on first chained function call gets lost. #2649
Double indents in piped function call. #2650

[5.2.0-alpha-003] - 2022-12-05

Fixed

Attribute on ExplicitCtor is lost. #2638
Comment above single parameter in brackets breaks code due to wrong indentation. #2594

[5.2.0-alpha-002] - 2022-12-04

Fixed

Regression around let ... in in multiline infix application. #2633
Improve TypeDefn. #2636
Trivia before equals in multiline implicit type constructor. #2637

[5.2.0-alpha-001] - 2022-11-30

Changed

Introduce custom internal syntax tree. #2626

[5.1.5] - 2022-12-22

Fixed

Call ignoreFile.IsIgnored with absolute path. #2656

[5.1.4] - 2022-11-30

Fixed

Indenting problem with match workaround for single-line stroustrup expressions #2586

[5.1.3] - 2022-11-14

Fixed

Idempotency problem with anonymous types in discriminated unions. #2621

[5.1.2] - 2022-11-09

Changed

Update to newer Fantomas.Client. #2617

[5.1.1] - 2022-11-07

Fixed

Comment is removed when using array index access syntax, without a leading dot. #2611
Interface in object expression is not printed. #2604

[5.1.0] - 2022-11-04

Changed

Official release.

[5.1.0-beta-002] - 2022-10-29

Fixed

Idempotency problem with struct end. #2592
Idempotency problem when having a comment in an anonymous record and Stroustrup formatting. #2566
AlternativeLongMemberDefinitions breaks spacing around type Blah as this. #2598
Outdenting problem when specifying record with accessibility modifier. #2597

[5.1.0-beta-001] - 2022-10-19

Fixed

Comments get removed for method parameter with attribute. #2585

Changed

Update FCS to 'TypeDefn and NamespaceOrModule leading trivia', commit 7d115d56cde12006dd26a3c5babd702df451b8e8

[5.1.0-alpha-007] - 2022-10-14

Changed

Revert multiline alternative for prefix types. #2582

[5.1.0-alpha-006] - 2022-10-14

Changed

Formatting of anonymous record types respects fsharp_multiline_block_brackets_on_same_column. #1167
Update FCS to 'Leading keyword synbinding', commit 05201993cfaac663c72b6431d81f543e3d001dfe

[5.1.0-alpha-005] - 2022-10-07

Changed

Control space in pattern by fsharp_space_before_lowercase_invocation and fsharp_space_before_uppercase_invocation. fslang-design/issues/712
Style of base constructor calls. fsharp/fslang-design#693
Style of multiline type annotations/ fsharp/fslang-design#708

Fixed

Comments in SynArgPats.NamePatPairs are lost. #2541
Vanity alignment used inside base ctor call. #2111
Add line break before start of argument list. #2335

[5.1.0-alpha-004] - 2022-10-07

Changed

Update FCS to 'Add extern keyword to SynBindingTrivia', commit 23d93522a56e139e2fc85e6d2591d38698ae8d38

Fixed

extern expression should respect page width. #735
extern declaration inside type declaration is converted to let binding. #1214
extern with void return type is converted to let binding. #1215
extern C-like parameters are not supported. #1216

[5.1.0-alpha-003] - 2022-10-02

Changed

Function call with parenthesis around function name. #2382
Spaces added inside new index syntax. #2494

[5.1.0-alpha-002] - 2022-09-29

Changed

Update FCS to 'Parallel type checking for impl files with backing sig files', commit 51635bbebf36e39a86d06d96730e13cfc40a095f

[5.1.0-alpha-001] - 2022-09-18

Changed

Update FCS to 'Introduce SynType.SignatureParameter', commit 8f59d364a0abccb04d4ec2f1cd09665dee298777

[5.0.6] - 2022-10-13

Fixed

Overly aggressive de-indentation. #2110
Broken comma in match expression in parameter invocation. #1869

[5.0.5] - 2022-10-07

Fixed

Function lambda with type annotation breaks code. #2295
Incorrect scope chosen for trivia, hence comments lost. #2535

[5.0.4] - 2022-10-04

Fixed

Additional space before equals sign. #2548
Idempotency problem when DotSet / App / Paren. #2549

[5.0.3] - 2022-09-29

Fixed

Comments in anonymous record deleted after formatting. #2538

[5.0.2] - 2022-09-22

Fixed

Wrong generic constraint placement in ML-style generic definitions with multiple type parameters. #1868
Incorrect async indentation when inside of a match. #2501
Conditional directives before expression leads to invalid code with Stroustrup. #2517

Documented

Building Fantomas in Visual Studio for dev errors. #2447

[5.0.1] - 2022-09-18

Fixed

Items.Item <index> <- value gives wrong code. #2498
Incorrect Stroustrup indentation with let binding for anonymous record with expression. #2508
Equality comparison with a record with a with expression results in broken code. #2507
Stroustrup record type definition with access modifiers and members lead to invalid F# code #2511

[5.0.0] - 2022-09-16

Fixed

Open statement after module should get a newline before it. #2502

[5.0.0-beta-010] - 2022-09-10

Fixed

Record definition with accessibility modifier error using stroustrup style. #2481
Comments between tuple type are lost. #2149
Stack overflow on macOS with a big source-file. #2485

[5.0.0-beta-009] - 2022-09-02

Fixed

--check should fail if the number of newlines is different. #2461
Comment after closing brace of computation expression is lost. #2466
Match statements should not be split into separate lines between parentheses. #2044

[5.0.0-beta-008] - 2022-08-30

Fixed

List of functions misaligned and breaks (Elmish). #2158
Idempotency problem when Elmish Html. #2195
Splitting list results in code that doesn't compile. #2201
Idempotency problem when using a list with interpolated strings. #2242
Idempotency problem when using set and spread syntax. #2392
Formatting (*) returns ( * ). #2452
Comment after last case of function with operator is removed. #2454
Trailing whitespace in block comments should be preserved. #2450

[5.0.0-beta-007] - 2022-08-19

Fixed

abstract with docstring and comment gets split up. #2433
Invalid removal of space in operator which starts with *. #2434
Incorrect concatenation of lines with functions. #2435

[5.0.0-beta-006] - 2022-08-12

Fixed

Wrong comma placement results in "Possible incorrect indentation". #2159
Indentation warning for update record in infix operation. #2355
Use of A | B as c fails to format correctly. #2289

Changed

Update FCS to 'Include star in topTupleType rule', commit f8b56cb6db3c90348810263fd7a5d37dc5719e92

[5.0.0-beta-005] - 2022-08-03

Changed

Update FCS to 'SynType with single slash and type', commit e1f735546a907b0a511b818f10829b1d75139021

Fixed

Fantomas moves comma and breaks code. #2381
Idempotency problem for unit of measure. 2264
Indent interface member after anonymous record as generic type. #2396
Unexpected concatenation of docstring lines after private modifier on DU. #2401
Star in tuple return type lost. #2403

[5.0.0-beta-004] - 2022-07-27

Fixed

Shebang directives get removed from scripts #2367

[5.0.0-beta-003] - 2022-07-26

Changed

Show a better error message when the folder does not exist. #2341
Update FCS to 'Use SynLongIdent in SynOpenDeclTarget.ModuleOrNamespace', commit c18989124a92cc26a736d89137254f1ca84d4880

Fixed

global keyword is escaped with single-backticks when used as part of a namespace/module open. #2274
global namespace should not be escaped. #2366
Trivia between xml doc and type not restored. #2143

[5.0.0-beta-002] - 2022-07-19

Fixed

Idempotency problem when using object expression and having a space between get / set lines. #2372
FSharp.Core version conflict between Fantomas.Core and Fantomas.FCS. #2374

[5.0.0-beta-001] - 2022-07-15

Changed

Don't mark optional parameters as required in public API. #2350
Update default value for v5. #2288

Fixed

Content of #if block removed - Breaking Code on reformat. #801
Using a compiler directive copies the previous(?) line in fsi files. #1186
Multiline if expression with multiline infix operations. #1775

[5.0.0-alpha-011] - 2022-07-08

Changed

Restore the CodeFormatter.MakeRange public API. #2306
Update FCS to 'Add arrow to SynType.Fun trivia.', commit 5a5a5f6cd07aa4a8326baa07d4f7af1305ced6f4
Update FCS to 'Fix setter first', commit 267d0a57f217df756d9ac33c6aa4ffbfe3b53097
Update style of long if/match expressions (See fslang-design#646). #2334
--force will now write a file even when the result is invalid. #2346

Added

Add setting fsharp_max_if_then_short_width. #2299

Fixed

KeepIndentInBranch not respected inside a let and match. 1825

Removed

--stdin, --stdout and --fsi flags. #2346

[5.0.0-alpha-010] - 2022-06-27

Changed

Restore the FormatSelection public API. #2237
Refactor list of TriviaNodeAssigner to tree structure. #2271

[5.0.0-alpha-009] - 2022-06-21

Fixed

Explicit interface with SpaceBeforeClassConstructor. #2226
Spaces around binary operators in units of measure. #2207
Trivia not restored after long identifier in SynField. #2290
Content after hash directive is lost. #2293
Idempotency problem with computation expression with generic parameter. #2285

[5.0.0-alpha-008] - 2022-05-28

Fixed

Superfluous space between negate and RationalConst. #2265
Idempotency problem with ParsedHashDirective in signature file. #2258
Keyword 'override' gets changed to 'member'. #2221

Changed

Formatting of multi-constrained SRTP functions needs improvement. #2230
Try/With with a single clause. #1881
Long type argument with constraints is not respecting max_line_length. #2266
Long function argument with constraints is not respecting max_line_length. #2267

Removed

Remove Fantomas.Extras. #2269

[5.0.0-alpha-007] - 2022-05-16

Changed

Update FCS to 'Add SynExpr.Dynamic to SyntaxTree.', commit b822e2793bd6387c40cfd5b25d604e002a253257
Restore the validation API. #2236
Renamed fsharp_experimental_stroupstrup_style to fsharp_experimental_stroustrup_style. #2257

[5.0.0-alpha-006] - 2022-05-13

Added

Format function application that end with a list in the Stroustrup bracket style. #2244
Option to reduce multiple blank lines from source code. #2198

Removed

Remove Elmish settings: fsharp_max_elmish_width, fsharp_single_argument_web_mode & fsharp_disable_elmish_syntax. #2180
Remove fsharp_semicolon_at_end_of_line. #2247
Remove fsharp_keep_if_then_in_same_line. #2248
Remove fsharp_indent_on_try_with. #2249

Changed

Update FCS to 'More cleanup', commit e063dd2a7005faf953619ab4f232d1e3606c7ed2
Rename fsharp_ragnarok to fsharp_experimental_stroupstrup_style and fsharp_keep_indent_in_branch to fsharp_experimental_keep_indent_in_branch. #2251
Consider wider default format for record declarations if any XML doc comments are present on fields. #1879

Fixed

A space was added before paren lambda argument. #2041
Linq method call breaks because of space before paren lambda was added. #2231

[5.0.0-alpha-005] - 2022-05-07

Fixed

Fantomas v4.6.4 and onwards removes backticks. #2164
include is reserved keyword. #2167
base keyword given backticks when overriding with argument. #2212
Fantomas removes backticks around constraint. #2116
Keep backticks in identifiers. #2034
Parens stripped from custom definitions of op_Range and op_RangeStep operators. #1842
XML docs for commented code automatically removed. #2186

[5.0.0-alpha-004] - 2022-05-07

Changed

FCS: Expose FSharpParserDiagnostic from parseFile. #2233

[5.0.0-alpha-003] - 2022-05-06

Changed

Don't add space between type of array and square brackets. #2192
Adjusted formatting of quotation expressions to latest F# style guide. #661
Use F# compiler from the source files. #2217
Rename Fantomas to Fantomas.Core and fantomas-tool to fantomas. #2174
Update logo. #2229

Fixed

Idempotency problem with multiline quotation expressions. #2203

[5.0.0-alpha-002] - 2022-04-04

Changed

Target net6.0 for fantomas-tool.

[5.0.0-alpha-001] - 2022-03-19

Added

Initial settings for strousrup bracket style. #2161

[4.7.9] - 2022-05-02

Changed

Add fable_modules to the directories which are always excluded. Fable 3.4

Fixed

Let binding after match lambda is moved outside of nested module. #2214

[4.7.8] - 2022-04-25

Fixed

Breaks float range with step-size when trailing 0 is omitted. #2171
Fantomas inserts a space between array variable and indexer. #2106

[4.7.7] - 2022-04-20

Fixed

Multiline parentheses objectExpression in indexer expression. #2176
Blank line over SynEnumCase is restored incorrectly. #2155
XML Doc comments on DU cases seem to get shuffled. #2188
Comment after bar is lost in single case DU. #2182
Piped lambda with if-then-else can break code. #2196

[4.7.6] - 2022-04-04

Fixed

SRTP or condition disappear when non-generic type is used. #2168
Multiline AbstractSlot without constraints introduces newline #2175

[4.7.5] - 2022-03-27

Fixed

Only load the .fantomasignore file once, except for the daemon. #2097

[4.7.4] - 2022-03-25

Fixed

DotGet in quotation should be further indented. #2154
Reformatting multiple array index operators (v6 style) adds spaces that are invalid #2151

[4.7.3] - 2022-03-12

Fixed

Option parameter name is lost in tuple. #2144
Trivia between XmlDoc and member is not printed. #2147
Emit correct keyword for properties with both getter and setter specified #2129
Duplicate ///-comments when immediately preceded by a //-comment. #2152

[4.7.2] - 2022-03-11

Fixed

Reordering comments on modules. #2141

[4.7.1] - 2022-03-08

Fixed

Comment after equals is remove in anonymous record. #1921
Comment after equals in record type is lost. #2001
Comment after match keyword is lost. #1851
Preserve in keyword on next line. #1182
Remove Ionide.KeepAChangelog.Tasks and Dotnet.ReproducibleBuilds as NuGet dependencies. #2131
Comment lost between attribute and member. #2130

[4.7.0] - 2022-03-04

Changed

Always add a space for multiple curried args invocation. #2087
Update FCS to 41.0.3. #2122
Print XML Document comments from AST. #1878

[4.6.6] - 2022-03-04

Changed

Update .NET SDK to 6.0.200. #2105
Lock FCS version in Fantomas nuspec. #2118

Fixed

Keep copyInfo for record fixed at starting column. #2109
Unexpected expression: Fixed. #2112

Documentation

Fixed typo in Formatting-Elmish-code.md #2120

[4.6.5] - 2022-02-18

Changed

Use KeepAChangelog instead of RELEASE_NOTES.md. #2095

Fixed

Error formatting defines #if (!DEBUG) ... #endif (no #else). #2098
Single block comment in namespace is disappearing. #1951
Unexpected newline added before let bang. #1932
Creating anonymous record based on a function call with a list arg fails. #1749
Access modifier is lost in extern declaration. #1213
Unexpected indentation in if-else when using keep_if_then_in_same_line=true. #1160

Documentation

Add additional information about the style guide in CONTRIBUTING.md. #2078
Fix FSharp compiler docs link for SynExpr. #2082
Fix FSharp compiler docs link for SynExpr.DotGet expression. #2084
Pre push hook to ensure code is formatted on upload. #2085
Explain what's needed to close issues, that aren't reproducible anymore. #2092

[4.6.4] - 2022-02-11

Fixed

type declaration loses 'when' qualifier. #2075
Comments in anonymous record values are deleted. #2067
Comment after [] is lost, more common in records. #2043
Named argument should have a space. #1877

[4.6.3] - 2022-02-08

Documented

Running fake build locally. #2056
Replace Gitter with Discord. #2070

Fixed

Spaces are lost in multi range expression. #2071

[4.6.2] - 2022-02-06

Fixed

Comment in method chain gets deleted. #2062
Idempotency and correctness problem when using multiple if statements as list comprehension. #2055
Comment inside LongIdentWithDots not preserved. #2027
Consecutive #load statements are merged into one line if namespace is declared below. #2014
Line of code including a backward composition operator causes error. #1998

[4.6.1] - 2022-02-01

Fixed

Type parameter comment lost in formatting. #2052
Unicode string containing "\000" is replaced by null character when being formatted. #2050
Idempotency problem when comment after opening bracket in Elmish expression without children. #2037
Default settings in .editorconfig files. #2030
"cannot determine if synExpr Paren" when Lambda after If expression. #2015
Comment removed in do binding. #1875
Comment after arrow is missing in SynExpr.Lambda. #1870
else if turned into elif when KeepIndentInBranch = true. #1818
Comment after closing brace in nested record is lost with default settings. #1172
Inconsistent spacing of multiline object expressions in lists with default settings. #1170
type definition in signature file wrapped with hash directives. #1115
Strict mode strips literal strings. #560

[4.6.0] - 2022-01-14

Changed

Unify Fantomas versions across editors. #1844
Update formatting types in signatures (See fslang-design). #1994
Read editorconfig settings before overwriting settings with request configuration. #2006
Expose configuration documentation in Fantomas.Daemon #1956
Update FCS to 41.0.1 #1949
Wider default fsharp_max_value_binding_width. #1947
Update FCS to 41.0.0-preview.21472.3 #1927
Update record should indent from the curly brace instead of the identifier. #1876
Update style of lambda argument. #1871
Update to FCS 40.0.1-preview.21352.5

Added

Editor.config: insert_final_newline. #2002

Fixed

Comment lost between attribute and nested module #2016
Incorrect new array indexing formatting. #1985
Idempotency problem when exception definition used in signature file. #1974
Create parsingOption via CodeFormatterImpl helper. #1946
Explicit call of active pattern fails. #1937
Idempotency problem when destructing a record inside a lambda argument. #1922
Exception with boolean constant in #if. #2013

[4.5.12] - 2022-01-08

Fixed

Strings containing spaces at end of line change meaning. #1941
Explicit class/end/with loses members. #1940
Idempotency problem when static member with get. #1913

[4.5.11] - 2021-12-29

Fixed

KeepIndentInBranch not being respected. #2003

[4.5.10] - 2021-12-04

Fixed

Fantomas writes even when not necessary. #1984

[4.5.9] - 2021-11-24

Fixed

Operator application to some literals doesn't preserve spacing. #1979

[4.5.8] - 2021-11-19

Fixed

Fantomas is unable to format valid F# (.net 6.0) program. #1969
Attributes on static members of recursive types formats incorrectly. #1962
val mutable in signature loses 'mutable'. #1954
Literals in signatures lose values. #1953
Attribute on member of mutually dependent types fails to validate. #1918
Wrong code is generated for member attribute in recursive type. #1898
Attribute on type function incorrectly placed for 'and' types. #1874

[4.5.7] - 2021-11-07

Fixed

Formatting power operator in code quotation pattern match fails. #1945

[4.5.6] - 2021-11-03

Fixed

Offside code created when base constructor wraps across lines. #1942
Extra space in val and member bindings in signature files. #1934

[4.5.5] - 2021-10-27

Fixed

Provide more information when string merge failed. #1904
Comment gets duplicated. #1912
Vanity alignment used when splitting line in match block. #1901
Unexpected loss of newline in closing bracket. #1835
Relative patterns in .fantomasignore don't match any files. #1713

[4.5.4] - 2021-10-05

Fixed

Documentation contains reference to infix multiline formatter even though it's removed. #1884
Newline was introduced in Sequential with LetBang. #1882
Vanity alignment used when calling base constructor. #1442

[4.5.3] - 2021-09-07

Fixed

indented #if directive inside another non-indented #if directive drops significant whitespace. #1866

[4.5.2] - 2021-08-11

Fixed

Dropped comment with function with type parameter. #1861
Comment dropped in a multi-option match. #1855
StackoverflowException when formatted long triple-quoted strings. #1837
Comment removed in match. #1677

[4.5.1] - 2021-07-24

Fixed

StackOverflow exceptions when collecting ColMultilineItem list. #1839
Overly indented members on a record type with accessibility modifier. #1824
MultiLineLambdaClosingNewline not respected with function keyword. #1823
Comment is lost at the end of a match. #1822

Changed

Honor .fantomasignore file when processing a folder. #1834

[4.5.0] - 2021-07-07

Added

Always place bar in front of discriminated union. #1750
Support multiple files/dirs as command-line arguments. #1696
Disable empty line between mutually recursive type. #1658
BlankLinesAroundNestedMultilineExpressions. #1587

Changed

Initial support of KeepIndentInBranch. #1361
Update to FCS 39 #1479

Fixed

Collect empty define block as single trivia. #1528
Refactor ASTTransformer. #1497
replace genTypeByLookup with Trivia. #594
Space between identifier and then is lost. #1816
KeepIndentInBranch causing offside error in if condition. #1812
Indentation warnings for multiline match expression. #1774
Extra indentation on match-case block. #1234
Fantomas introduces meaningless match block. #1806
Lazy causes indentation to produce invalid F#. #1805
Nested Fluent API produces wrong code: misses indentation. #1804
Tuple should be consider short branch in KeepIndentInBranch setting. #1800
Fantomas adds "of" to a union case when it is seemingly too long. #1796
Function application in if expression should remain on single line. #1795
Conditional code is not printed. #1794
Records in list in a pattern match always have a semicolon. #1793
parenthesis expression in then should further indent inner expression. #1777
Wild cards in lambda. #1789
Soundness regression in 4.5.0-beta-001. Nested lambdas are stripped. #1782
KeepIndentInBranch not respected when returning short function application. #1779
Hash directive not printed above recursive binding. #1776
Fantomas adds space before colon when SpaceBeforeColon is false. #1773
Long return expression not formatted multiline. #1771
Add support for LibraryOnlyStaticOptimization. #1769
fsharp_keep_indent_in_branch not respected for multiline infix expression. #1768
Inline lambda in argument list causes problems for argument chopping and lambda alignment. #1028
Difference in behavior between signature and implementation files for single case DU. #973
Concatenation of multi-line """ strings mis-indented. #639
Comment after arrow lost with KeepIndentInBranch. #1759
Multiline if/then/else in infix expression. #1757
Newline and comment trivia are mixed up. #1468
Inline lambda in argument list causes problems for argument chopping and lambda alignment. #1028
Difference in behavior between signature and implementation files for single case DU. #973
Concatenation of multi-line """ strings mis-indented. #639
Trivia before SynPat.Paren. #1753
Idempotency problem when trailing comment is present. #1538
Offside error after formatting with MultiLineLambdaClosingNewline. #1741
Pipe character missing in single-case try/with. #1571
Multiline if condition in KeepIndentInBranch leads to warnings. #1729
KeepIndentInBranch not respected for values. #1728
KeepIndentInBranch not respected. #1717
Bad interaction between KeepIndentInBranch and MultiLambdaClosingNewLine. #1715
KeepIndentInBranch not being respected. #1714
Breaking method chain in the middle of an if statement causes offside error. #1712
Offside error when a comment appears before a match statement in pipeline. #1711
Line comment after short pattern match clause causes additional parenthesis. #1721
Appending two lists with @ fails. #1719
Leading block comment makes type multiline. #1718
List concat chain using operators fails to format. #1188
Unexpected newline after inner let binding. #1709
Currying a pair gets spread over multiple lines. #1700
Additional parentheses are introduced when match is piped. #1698
\t in string replaced by ASCII 9. #1695
Idempotency problem with nested else if. #1648
Idempotency problem with ifdef in a function. #1646
string interpolation part crossing max line length introduces new line and lots of whitespace. #1511
Splitting generic type parameters over multiple lines sometimes puts the break in an invalid place. #1687
Idempotency problem related to comments in with. #1686
Upcast requires a line break but is not given one. #1685
Idempotency problem when trying to format a type with method chaining in it. #1681
Line comments after null value used as argument in function call are removed. #1676
Idempotency problem when trying to format a type with method chaining in it. #1681
Comment after constant got moved to the next line. #1671
Idempotency problem when ending with a comment. #1649
end_of_line not respecting when file has ifdef. #1673
Attributes in a recursive type get misplaced. #1668
alternative_long_member_definitions docs. #1666
Stack overflow on macOS for long pipelines. #1453
Comment inside empty Elmish children is lost. #1179
Long .Setup line in Moq code results in broken indentation. #1662
Don't introduce parenthesis around SynPat.IsInst. #1660
Offside error splitting long line. #1651
Offside errors after formatting. #1650
Idempotency problem with with block. #1647
Formatting code makes Interpolated verbatim strings to non-verbatim strings, which breaks the code. #1645
Comment stripped in a record with semi-colons. #1643
Another shape which isn't respecting KeepIndentInBranch. #1638
Incorrect code when function type parameter would break over line. #1637
Multiline type parameter arguments inside indentation. #1611
Fantomas add extra parenthesis in desugared lambda. #1631
Mutually recursive functions break with function invocation above definition. #1628
Removal of bar in one-case DU. #1563
Multiline type signature is not unindent. #1624
Failure to unindent with KeepIndentInBranch. #1621
Some of newlines in string interpolation is deleted. #1613
Idempotency problem when piping just before the keyword in. #1610
Idempotency problem with lazy. #1609
Idempotency issue with let … in. #1608
Idempotency problem when splitting && over multiple lines. #1607
Idempotency problem when splitting if-clause over multiple lines. #1606
Idempotency problem with recursive types in FSI. #1605
Idempotency problem with comments at the end of code. #1604
Block comment in Elmish expression removed. #1601
System.Exception: was not expecting token DOLLAR. #1598
Define before opening bracket. #1597
Swap internal and inline in signature file. #1590
member laced with conditional. #1589
if expression is not indented. #1588
Fantomas throws an exception with custom operator (>??). #1533
Unexpected identifier in lambda expression when using pre processor directives. #1484
FormatException: Unexpected symbol '|' for DU case under pre-processor directive. #1483
End-of-line comments lost when formatting multiline type function signature. #1287
Comments are sometimes removed unexpectedly during formatting. #1276
max_line_length not respected in mutliline infix expression in if. #1584
Const() stripped from string literals break. #1574
Conversion of & to byref is invalid in extern function declaration. #1567
Quote character in a comment results in removing code inside preprocessor directive. #1504
Documentation comment for primary class constructor is removed. #1286
A comment before an anonymous function gets swallowed up. #1190
KeepIndentInBranch not being respected?. #1569
Split of very long function call in if body. #1564
fsi extension loses docstring in mutually recursive type. #1562
.fsi extension: attribute followed by docstring loses the docstring. #1561
.fsi extension causes first DU case's docstring to be lost. #1560
KeepIfThenInSameLine breaks function indentation. #1559
All SynExpr should start on next line and indent. #1556
Missing indentation when using pattern matching via anonymous functions in a pipeline. #614
Required type arguments are removed with DotGet lambda. #1550
Fantomas removes the format string from string interpolation. #1549
Missing in keyword. #1548
Pattern inside when clause. #1545
Hash defines in let binding. #1543
Comments are stripped at the end of a vertical list. #1541
Idempotency problem when match is follow by pipe. #1532
Idempotency problem when exceptions in signature file. #1531
Exception - detect of multiple defines when define surrounds a DU member. #1503
DotGet infix expression. #1529
SynPat.Or should have the same indent. #1522
DotGet with parenthesis. #1521
Trivia regressions around SynConst. #1518
Long signatures have additonal newline inserted and don't respect the indent from the config. #1515
Bad formatting when using elmish style + empty arrays. #1510
\xHH escapes in string literal are expanded. #1508
Indentation of pattern match clause. #1501
Class parameters expands unit for long lines. #1494
Comments inside Elmish gets repeated. #1347
Extra space throws exception. #1476
comment deleted on reformat. #1343

[4.4.0] - 2021-02-25

Changed

Revisit SynExpr.IfThenElse. #1258
Target netcoreapp3.1 for fantomas-tool.
Stricter trivia selection. #1304

Fixed

Idempotency problem when function argument's type annotation requires brackets. #1470
Inconsistency about when fantomas decides to split () (unit) to the next line. #1469
Unexpected newline between hash directives. #1464
Oscillating newlines in custom computation expression. #1463
Violation of "avoid name-sensitive alignments" clause. #1422
Incorrectly combines tokens when formatting. #1407
string interpolation with multi-line string causes literal part to change. #1451
when clause in try-with block gets split and causes compiler warnings about indentation. #1406
Long line breaks match. #1403
Long line causes offside error. #1402
Nested matches format into something invalid. #1400
Shortening big if clause still creates compiler warnings. #1390
“FS0058: Possible incorrect indentation” on function composition after running Fantomas. #1341
Typed App followed by chained lambda should not add space. #1448
TypedApp should not have a space when chained. #1447
Unexpected newline after short match expression. #1445
Space after chain lambda function is not allowed. #1440
Formatting error with MultilineBlockBracketsOnSameColumn. #1396
fsharp_space_before_uppercase_invocation=true breaks method calls. #1437
Crash regression on 4.4.0-beta-003. #1438
MultiLineLambdaClosingNewline concats lambda arguments. #1427
member val causes invalid code to be generated. #1426
Surround return type annotations with white space [F# style guide]. #1420
Lists concatene onto one line invalidly. #1405
Accessibility modifier on record causes unindentation of following type. #1404
Invalid addition of a space after constructor invocation. #1401
"Inline" is incorrectly stripped out in FSI file. #1399
Multiple type checks in a try/with get collapsed. #1395
Short line length and member constraint leads to invalid code. #1394
Object expression newline gets added/removed. #1388
Arrays of constructors with lots of arguments gets dedented too much. #1382
Format in pre-commit hook. #1207
Shortening an 'if' condition causes compilation warnings about indentation. #1374
Some escapes are unexpectedly modified in character literal patterns. #1372
Fantomas formats with an error for very long DU case match. #1364
Fantomas errors out on new Foo "". #1363
Aesthetics of long members in a type declaration. #1362
Comment on first constructor argument gets removed. #1350
“FS0058: Possible incorrect indentation” around if/then/else after running Fantomas. #1349
Failing to format file should return an exit code different than 0. #1340
Shorter MaxLineLength with long variable name yields invalid F# code according to fantomas. #1241
MultilineBlockBracketsOnSameColumn should be honored inside match block. #1238
Update constructor formatting to match MS Style guide. #1359
Violation of name-sensitive alignments. #1358
Pattern matching breaks code when expression is long and somewhat complex. #1352
Inserts extra newline everytime formatter runs. #1346
Functions looses space before parameter if func is defined inside method. #1345
Required backslash removed in string interpolation. #1344
Swallows comment before #nowarn directive. #1220
Swallows comment inside with block (of a try-with). #1219
Program.fs inside full path can lead to invalid AST. #1337
Formatting of long parameter lists. #657
DotGet inside If expression not correct on second format. #1329
Pipe is indented too far. #1327
IfThenElse piped leads to invalid code. #1324
Multiline when condition in pattern match needs to be further indented. #1320
Add comma in front of expression in tuple with if/then/else. #1319
New line before for loop not preserved. #1317
Newline before set expression is lost. #1314
Newline after let bang is missing. #1313
Revisit place parameters on a new line for long definitions. #1307
static member should only have a single indent. #1300
Elmish-like syntax using yields with interspersed let statements breaks the code. #1191
The 'member' keyword gets deleted in 'abstract member' declarations. #1106
Don't indent too far. #659
static member should only have a single indent. #1300
Named string argument to type provider requires a space prior to '@', which Fantomas removes. #1209
Don't indent too far. #659
spaces removed from string. #1290

[4.3.0] - 2020-12-17

Added

Clarify constructors. #1217
MultiLineLambdaClosingNewline. #1221
Disable Elmish syntax. #1198

Changed

Support user-provided end-of-line characters. #1231
Add option to make expressions multiline based on number of subexpressions rather than character length. #1143
Update to FCS 38. #1240

Fixed

Comment after let binding breaks downstream output. #1284
Comments are removed before and after empty array literals. #1281
Use a safe filename when formatting from CodeFormatter. #1279
Incorrect movement of a comma. #966
Bracket indentation is incorrect. #1271
tuple with match formats to invalid code. #1269
Incorrect movement of a comma. #966
Not adding a space even when all SpaceBefore* settings are enabled. #964
Multiline if condition can have incorrect indentation error. #1267
multiline do bang gives a warning. #1265
regressions. #1264
multiline yield bang in list should be further indented. #1254
Or pipe in destructured record should not be splitted. #1252
Swap order of private and inline. #1250
Comment is lost in enum. #1247
Nested if/else/then in short mode. #1243
Something doesn't add up in fix for 303. #1093
Fantomas format is "unstable/oscillates" after upcast operator: adds/removes empty line. #1227
Misplaces = in function signature so it's invalid F# code. #1218
Additional newline is added between if/elif and for loop. #1211
Let binding in hash directive disappears. #1205
Downcast operator doesn't get a new line. #1203
Implicit unit else results in extra lines with each reformat. #1187
Incorrect formatting of function parameter application with lambdas. #1201
Lambda functions in fluent API calls should indent further. #970
Hard to read code when using Thoth.Json. #685
--check should ignore the line endings. #1196
Format entire return type on the line. #1181
Only add one in keyword in LetOrUse. #1176
Multiline SynPat.Record in pattern match is formatted as a mixture of single/multiline styles. #1173
Inconsistent indentation of multiline records with internal keyword when fsharp_multiline_block_brackets_on_same_column is on/off. #1171
Lambda argument splits in awkward way. #1164
Multiline expression should be on next line. #1158
Missing in keyword makes code invalid. #1114
Invalid code after format. #1032
Space before ^ SRTP type is removed in function call. #984
Shouldn't remove space after colon. #908
Crash when formatting with config file. #824
Formatting typeof generic static constraint fails to compile. #803
Indenting of record definition when internal. #658

[4.2.0] - 2020-09-25

Added

MaxDotGetExpressionWidth. #501

Fixed

Confusing symmetry between infix operators. #988
Comment before closing parenthesis is lost. #1146

[4.1.1] - 2020-09-17

Fixed

No newline between module and first declaration. #1139
additional new lines added after each call to format. #1137
Generics error when breaking line. #1134
Comments on DUs parameterized by functions are dropped. #1128
Preserve underscore in number. #1120

[4.1.0] - 2020-09-10

Changed

Ignore files by .fantomasignore file. #420
Limit trivia by AST MainNode name. #992
Lead by example. #666
Verify all unit test whether the formatted code is valid. #842

Fixed

Comments get dropped from the end of multi-line records. #1124
Functions in nested modules which follow a type consisting of only one member of a DU are un-nested from that module. #1123
After discriminated union in module wrongly indented. #1122
Extra whitespace with a type which has an attribute. #1116
Adds newline between comments and (all but the first) attribute. #1108
Extra whitespace lines added in fsi files at the end of a nested module declaration. #1105
Extra new line is added before attributes. #1097
Comments after closing brace are lost. #1096
Comment after Or operator lost. #1095
Trivia before bar is being repeated. #1083
Comment after arrow is being duplicated. #1082
Allow line break after return to avoid excessive indenting/aligning. #1062
Name of static members are removed/empty. #1059
When using parenthesis in type definition, it will sometimes keep adding additional () for each time fantomas i run. #1057
Multiline string in use expression. #1055
Issue #246 has returned in v4.0.0. #1051
Indentation after multiple hash directives is off. #1026
if/then/else indented too far. #1054
Single AST node should contain trivia. #1031
Formatter adds extra newlines between type and any subsequent val in .fsi files. #1029
Comments in if/then/else statements are sometimes deleted. #1019
Moves type name around when writing constrained type defintions. #1018
Line break before bracket on long method call followed by member access causes semantic change. #994
Long union case should be split over multiple lines. #972
FSI formatting does the wrong thing with comments on single-case DU. #965
Invalid unit test should break lines on multiline if conditions. #863
Abstract member declarations don't follow page width. #435

[4.0.0] - 2020-08-27

Changed

Add initial support of String Interpolation. #998
Extract FakeHelpers and EditorConfig to Fantomas.Extras project #986
Update FCS to 37. #996
Update FCS to 36. #899, #961
Replaced json configuration with .editorconfig. #650
Sunset setting ReorderOpenDeclaration. #645
Sunset setting KeepNewlineAfter. #737
Renamed setting IndentSpaceNum to IndentSize. #940
Renamed setting PageWidth to MaxLineLength. #940
Removed all style configuration options from CLI tool. #704
Added Benchmarks. #867
Split up setting SpaceBeforeArgument to multiple settings. #649
- SpaceBeforeParameter
- SpaceBeforeLowercaseInvocation
- SpaceBeforeUppercaseInvocation
- SpaceBeforeClassConstructor
- SpaceBeforeMember
Increase control over length of certain code constructs. #697
- MaxRecordWidth
- MaxArrayOrListWidth
- MaxValueBindingWidth
- MaxFunctionBindingWidth
- MaxElmishWidth
Better support for Elmish inspired code. #922

Added

SingleArgumentWebMode. #927
AlignFunctionSignatureToIndentation. #946
AlternativeLongMemberDefinitions. #913
MultilineBlockBracketsOnSameColumn. #453
NewlineBetweenTypeDefinitionAndMembers. #752
KeepIfThenInSameLine. #825

Fixed

Comments in match statements are sometimes deleted. #1010
Comments on members with get/set are deleted. #1009
Hexadecimal numbers in enums are output as decimal numbers. #1006
List indentation issue. #999
Hexadecimal numbers in match arms are output as decimal numbers. #995
Removes the first comment above the member of the list. #990
Brackets increased every time Fantomas is run. #989
Bug: Hash directive in computation expression. #977
Bug with hash directives inside a match statement. #976
Bug with defines in record member assignment. #968
Backquotes are stripped down from checked. #937
Fantomas wraps extra set of parenthesis around parenthesis. #921
Remove indent setting from CLI tool. #888
Fantomas generating invalid F# when trying to format a list created with yields. #882
Invalid unit test method call on multiple lines. #862
Invalid unit test should break on . operator and keep indentation. #860
Multi-line arguments to chained method calls produce invalid code. #702
Line comment displaced from commented #-directive. #638
#if'd argument types are lost. #633
#if'd attributes moved to wrong column. #631
Assembly attributes create over-long lines. #629
List expression can get combined to a single line with different semantics. #931
Additional new line inserted around attributes. #949
with get removal in FSI invalid. #945
FSI file has "abstract" stripped. #944
Insertion of space before function application can break dot-chaining. #943
Concatenation of lines can break operator precedence. #942
Extra spaces inserted in record definition. #941
Comments at the end of async blocks are deleted automatically. #936
Newline between comments should lead to individual comments. #920
VS Code | Extra white space added to record definition. #910
When cutting off function invocations, should place each param in its own line (or align them to the 1st param). #907
Try online link points to old location. #890
Leading | in single-case union type with access modifier. #889
Type constraint on a type definition causes a loss of the type definition. #887
Fantomas removes the 'and' if there are multiple member constraints on a function declaration. #886
Comments inside a type definition can cause issues. #885
Long function signature should align with equal sign. #883
Newline not preserved between let and let bang. #879
Stackoverflow problem with let bang in match. #876
Incorrect formatting for chained class members using Websharper. #871
Pipe before and inside lambda leads to wrong indent of following lambda. #870
Formatting Program.fs with --check fails. #869
Possible wrong indentation for functions with parameters over multiple lines. #868
Invalid unit test different attributes according to defines. #864
Invalid unit test record instance with inherit keyword. #861
Invalid unit test should add space before type provider params. #859
Incorrect end of line added after "(" which makes the code not to compile. #856
Incorrect end of line added after "(". #855
SpaceBeforeUppercaseInvocation applied in the middle of a invocation chain. #853
MultilineBlockBracketsOnSameColumn not working properly when calling base constructors. #852
PageWidth not respected for member with one long parameter. #850
Wrong indentation in member definition. #844
Class type with long variable names results in invalid formatted F# code. #841
Multiline let bang should have newline before. #838
complex computation expression identifier looks off. #835
keyword before type declaration leads to invalid F# code. #830
Inconsistent if-then-else cut. #825
MultilineBlockBracketsOnSameColumn=true not working on records with short names. #823
--config fantomas-config.json gives error. #821
multiline let bang should have a newline. #819
Updated value not indented correctly. #817
Comment removed in multi-case pattern matching. #813
Wrong handling multi lines comment at the end of file after function application. #810
Opening brace for test missing. #806
Return attribute deleted on reformatting. #800
Fantomas crash with evaluation of array member. #798
Type restrictions in FSI files. #797
AssemblyInfo.fs attributes get squashed together. #796
Byte-order mark is stripped. #795
Fantomas replaces "abstract" in fsi, leading to compile errors. #794
Broken links in Readme.md. #791
Multiline first member should not introduce initial newline. #789
Newline added before let binding with attribute in class. #786
Some floating-point numbers are changed. #785
Adding newline before first comment in module. #784
Parameter after multiline string parameter. #783
Modulo operator misplaced. #780
double-backtick identifier is formatted wrong when starts with non-alphanum character. #776
Line comment after record not printed. #774
Additional blank lines inserted after formatting. #772
Error while formatting Fantomas unit test with compiler define. #761
AbstractSlot with line comment is consider multi line. #757
Missing space after multiline string. #754
Cannot determine upper or lowercase. #753
Feature: Add blank line between type definition and members. #752
Default member implementation changed to member during formatting. #742
Long function definition should put equals and body on a newline. #740
Add extra space between prefix operator and string. #736
MaxIfThenElseShortWidth is not respected. #734
Shouldn't remove getters. #733
Comment after then keyword gets removed. #730
Determine if DotGet expression is upper- or lowercase. #729
Check for Trivia content before the equals sign in let bindings. #728
When advising user to file a bug, should mention the file it was trying to format. #726
space removed from parameters passed to inherited class. #720
Place parameters on a new line for very long member definitions. #719
Exception: Unexpected scenario when formatting else if / elif. #713
Fantomas keeps adding newlines every time you format. #709
Duplicate spaces and lost of linecomment. #687
Formatting of array literals of BigInteger. #682
Hash directive not between namespace and module. #681
Comment above static member is wrongly placed. #680
Do not remove property setters. #664
StringConstant printed twice. #646
Newline after "bang" keywords in computation expressions. #615
Incorrect indentation when folding a record update expression. #536
Preserve comments after record. #516
Long function signature broken into two lines. #492
"Better" support for nesting complex expressions in async { } blocks. #386

[3.3.0] - 2020-02-28

Changed

Support for and!. #690
Support for new slice syntax. #691
Support for check style flag #642
Update FCS to 34.1 #699
Allow to configure spaces before and after semicolon. #653
Update README with link to YouTube videos series. #672

Fixed

Problem with --config and directory names containing ".". #694
Space is removed after Foo.Create. #676
Error in formatting nested else if construction. #675
Unbalanced and misplaced #if directives after formatting. #635
Stack overflow when using fantomas 3.2.0-beta-002. #630
--help and --version return exit code 1. #612
Line comment disappears after format. #598
Stack overflow for global tool on OSX. #591
Page width is not respected when formatting a function signature. #495

[3.2.0] - 2020-02-03

Changed

Added support for settings configuration file. #354
Use Argu for commandline argument parsing. #607

Fixed

Unicode null escapes are still unescaped. #632
Back ticks are removed from enum. #626
Pipe is removed when DU type name matches record type name. #641
fantomas --version should return version. #625
Extra newline between attribute and function. #611
Invalid code produced when formatting type alias for struct tuple. #605
Extra newlines repeatedly being added inside an object expression. #601
Empty line added on each format. #597
Error when formatting DU with single choice and attribute. #596
Unwanted new line after elif expression. #588
Unwanted new line added. #586
Empty lines in multi-line string get moved. #577
Error when combining #if directive with async block and let. #576
DllImport not detected when using additional attribute. #574
Comment in async block gets moved. #573
Enum comments removed. #572
Fantomas keeps adding new lines between two interface member implementations. #569
Unindented DU case causes compile error. #567
Erroneous whitespace in chained accessors. #566
Comments inside type signatures break formatting. #565
Hash symbol in signatures requires parens to remain. #564
Stack overflow in Strict mode. #562
Accessibility modifiers in DUs. #561
Line comment place after lambda instead of infix function. #559
Sequence expression inside computation expression outputs uncompilable code. #553
Comment after [ is not preserved. #551
Record update indentation incorrect around comments. #537
Formatting document continuously adds new lines each time it's called. #535
Comments like (fun arg -> // comment are lost. #534
KeepNewlineAfter not respected in let binding. #524
Improve formatting of lambda between parenthesis. #523
Crash when using --keepNewlineAfter. #513
Over-aggresive folding breaks nested lambda expressions. #486
Add FormatASTRangeAsync to API. #454
Intrinsic type extension member signatures are erased. #413
Inconsistencies in if formatting. #135

[3.1.0] - 2019-11-27

Fixed

invalid code generated after multiline string when other expressions exist on same line. #545
Trivia before elif generates invalid code due to missing indentation. #527
Don't add additional newline between two and blocks. #520
Print line comment after { #517
Formatting document removes '#if DEBUG' and '#endif'. #512
Some unicode control characters are incorrectly formatted. #506
New empty line inserted preceding module attribute. #505
Weird indentation/breaks with lambda in pipeline. #503
Sufficiently indent match case bodies for other indentation lengths than 4. #502
--noSpaceBeforeColon doesn't work. #499
Invalid code produced when wrapping method call to new line. #498
Indexer usage fails to parse. #497

Changed

Use FCS 33.0.0. pull/568
Use dotnet tools pull/558
Add --maxIfThenElseShortWidth option, see documentation

[3.0.0] - 2019-10-11

Changed

Use FCS 32.0.0. 490b121af427ec4f6eba94f6d6d08cf3f91e04c8
Deprecate PreserveEndOfLine feature. #390
Upgrade to .NET Core 3.0 and deprecate dotnet-fantomas. b13aa00a57541be5f6182dc65ee27dc81174ab15
F# 4.7 support. 9ab8f007446d2e8311a204a9c8a73d758a189939
KeepNewlineAfter setting. #449
Refactored API #454

Fixed

Adding parentheses around expressions can lead to incorrect indentation. #385
Indentation removed when combining comments and compiler directives. #382
Fantomas removes module and namespace if it is only 1 word (without dots). #380
Indentation incorrect for code with chained fluent interface method calls. #379
Incorrect indentation when space around delimiter is false. #362
Meaningful spaces can be collapsed in record-with expressions. #353
CLI arguments not accepted. #334
Calls to constructor from inherited class leads to wrong indentation (breaks build). #326
Indent level context lost in record initialization -- causes compilation failure. #313
Semi-colons may or may not be insterted in list literals. #312
Handling of blank lines is idiosyncratic. #311
Over-length line not folded (inside #if block). #309
With --preserverEOL, multi-line lambdas are not correctly formatted. #307
Reformatting #if blocks controlling attributes changes the meaning of the code. #304
Some spacing is still lost in and around #if blocks. #303
Weird formattiing behavior. #287
#if blocks result in code being moved around incorrectly. #282
Inline replacement. #278
No new line after long name when copying record with "with". #155
Formatting of multi-line list literals. #133
Problems with very long lines and/or files. #119
Adjust default configuration to be more F# idiomatic. #61
Excessive line breaking. #43
[Trivia] Line comment after then breaks code. #451
Bug report from fantomas-ui. #450
Publish 3.0.0 to NuGet.org with a preview flag. #448
Include directive with __SOURCE_DIRECTORY__ is removed and replace. #447
Formatting if expressions not according to style-guide. #446
PreserveEndOfLine+SpaceAroundDelimiter add an unnecessary space before closing brace. #443
Record option with attribute gets an additional space with PreserveEndOfLine. #442
Quotation escapes removed - Bug report from fantomas-ui. #440
Fantomas fails in Fake script. #439
Configuration options for "Fabulous compatibility"?. #437
Using fantomas with dotnet-format. #430
Change space before colon default to false. #429
global.json specifies outdated dotnet sdk. #426
Errors after formatting secondary constructors. #423
Wrong attribute and xml doc placement on reformat with PreserveEOL. #422
When running the tool for a fairly large script file (1000 lines) nothing happens. #416
Is Fantomas still supported for VS? Couldn't find it?. #415
the required library libhostfxr.so could not be found. #412
Latest FCS breaks fantomas. #410
Compiled operators names are replaced with source names. #409
Wrong anon module formatting when filename starts with a digit. #408
Raw method names with / are formatted improperly. #406
Attributes followed by unit literals aren't formatted properly. #405
Wrongly removed "with" for member on record, PreserveEndOfLine=true. #388
IndentSpaceNum is ignored if PreserveEndOfLine is enable. #387
An option to preserve empty lines between logical blocks. #496
Bug report from fantomas-ui. #491
finally is duplicated, moved. #487
Multiple #if cases causes failure (3.0.0 beta3 and beta4). #484
Significant spaces lost (v3.0.0-beta4). #483
#if/#endif lost with v3.0.0-beta-004. #482
Exception when code for no defines is empty. #480
Stackoverflow exception in AstTransformer. #479
[Trivia] Significant spacing added after let binding in function. #478
Incorrect replacement of override with member. #477
[Trivia] Fantomas removes the parentheses around Fable's string field access syntax. #476
[Trivia] Additional line added after very specific case. #475
Multiple extension members cause additional lines to be printed. #473
Long text lines cause out of range exception in 3.0.0-beta. #472
Class member attributes cause additional lines. #471
'with' incorrectly removed. #469
Online UI tool doesn't understand F# 4.6's {| |}. #467
Exception handling 'with' clause using drop-through is malformed. #465
Unicode null escapes are unescaped (v3.0.0. beta1, beta2). #464
Multiline record not on new line after DU constructor. #462
Feature request: Prefix generic type parameters. #460
Fantomas hangs indefinitely when run. #459
record mutation: first field after with should be placed in a new line. #457
for i in 1..-1..0 do: should add space before -. #456
Incorrect handling of attributes in static method. #452

[3.0.0-beta-006] - 2019-10-02

Changed

FCS 32
Partial F# 4.7 support

[3.0.0-beta-005] - 2019-09-27

Changed

Move to .NETCore 3 global tool, deprecated net461
Deprecated dotnet-fantomas tool
Bug fixes

[3.0.0-beta-004] - 2019-09-18

Changed

Restructured library API
Improved performance

[3.0.0-beta-003] - 2019-09-13

Changed

More trivia fixes
FCS 31

[3.0.0-beta-002] - 2019-07-20

Changed

More fixes with hash directives

[3.0.0-beta-001] - 2019-07-12

Changed

Use FCS 28.0.0 and net461. #436
Deprecated PreserveEndOfLine setting in favor of Trivia. #434
Added support for formatting multiple code path in defines.

[2.9.2] - 2019-02-02

Fixed

PreserveEndOfLine introduces additional newlines. #360
Extra newline is introduced when file ends with multiline comment. #363
Fantomas shouldn't remove parens when using the dynamic operator (?). #369
Extra semicolons in list with PreserveEndOfLine. #371
Multiple attributes indented wrongly with PreserveEndOfLine. #370
pattern matched unions are formatted badly. #283
wrong indentation when accessing member of constructed record. #383
latest fantomas breaks Falanx indentation. #384
Recurse option with globally installed dotnet-tool traverses 'obj' directories. #341
creates invalid F# for string handling operations. #365

Changed

Use qualified name for inputPath and outputPath. #376
Added Nightly nuget feed. #375
Moved solution file to root folder. #377
Add support for SynExpr.Set(,,_). #368
Use FAKE 5. #261
Added FAKE 5 sample. #402

[2.9.1] - 2018-11-20

Changed

Added instructions for vscode and online website. #333
Removed trailing spaces for each line, after formatting. #328
Allow easy build/format/build cycle of external projects. #337
Update to .NET Core 2.1 #350
Removed unused open statements. #352
Added regression test for Implicit module is added to resulting code. #355

Fixed

in is removed from binding when PreserveEndOfLine is true. #340
unnecessary conversion from 'YieldOrReturn' to 'YieldOrReturnFrom', by update of FCS. #339
Lazy<'T> is incorrectly rewritten. #335
Fluent API with comments breaks code. #331
wrong comment placement. #289

[2.9.0] - 2018-10-17

Changed

Improved README. #243
Bad split of chained method call expression. #246
rec modifier removed for namespaces and modules. #292
Over-enthusiastic removal of parentheses #249
Broken reformat of "if" inside call (fantomas-tool 2.8.0) #288
Support struct tuple. #224
Support match! #262
Upgrade to .NET 4.5.2 #325

Fixed

for AST formatting regression. #321

[2.8.1] - 2018-09-12

Changed

Force parameter is true by default. #267
Formatting compiler directives with inactive code is incorrect. #270
rec keyword is removed from recursive modules #274
Access modifiers in method signatures in signature files are not formatted correctly. #284
#if FOO || BAR => #if FOO #280
override becomes member in interface implementations. #263
Operator >>.~ incorrectly formatted. #291
Bad choice of line break location in boolean equality expression. #248
Pipe operator inside quotation expression leads to wrong indentation. #256
broken indent by pipe formatting. #269

Fixed

"Fantômas" mistranslation in README. #273
for preserve EOL feature. #275

[2.8.0] - 2018-07-07

Changed

Wrong indentation of else after comment #241
Change Content to None #238
Formatting of code with a pipe and a lambda expression #211
Added support for a global dotnet cli tool #252
Added option to preserve blank lines #143

Fixed

for chopped of members #239

[2.7.1] - 2018-05-02

Changed

Hotfix for runtime problem when using dotnet cli tool

[2.7.0] - 2018-05-02

Changed

Upgrade to .NET Core 2.0
Published as clitool
Upgrade to FCS 22.0.3
Single case DUs on same line #234
Removed whitespaces around type provider arguments #235

[2.6.1] - 2017-04-22

Changed

Upgrade to FCS 11.0.4

[2.5.0] - 2017-02-19

Changed

Upgrade to FCS 10.0.0

[2.4.0] - 2016-10-24

Changed

Upgrade to FCS 8.0.0

[2.3.0] - 2016-07-09

Changed

Upgrade to FCS 5.0.0

[2.2.0] - 2016-04-24

Changed

Handle record types with private fields #197
Create a separate CLI NuGet package #196
Do not print out module names if not necessary #196

[2.1.0] - 2016-04-01

Changed

Upgrade to FCS 2.0.0.8

[2.0.2] - 2015-11-15

Changed

Add a new public API using static members. Deprecate old functions.

Fixed

fsprojects-archive/zzarchive-VisualFSharpPowerTools#1151
fsprojects-archive/zzarchive-VisualFSharpPowerTools#1143

[1.11.0] - 2015-09-12

Fixed

fsprojects-archive/zzarchive-VisualFSharpPowerTools#366 #177

Changed

Migrate to FCS 1.4.0.5

[1.10.0] - 2015-08-29

Changed

Improve formatting of bind operator #175

[1.9.0] - 2015-08-10

Fixed

fsprojects-archive/zzarchive-VisualFSharpPowerTools#1050 (#172)

[1.8.0-beta] - 2015-07-19

Changed

Migrate to F# 4.0 (#170)

[1.7.0] - 2015-06-10

Changed

Print attributes on member arguments (#168)
Do not misrecognize "then" blocks in explicit constructors (#168)
Suppress whitespaces inside dot access (#168)
Insert brackets around tuples in type test patterns (#168)

Fixed

desugar patterns' bug exposed by FsCheck (#167)

[1.6.0] - 2014-10-25

Changed

Add FAKE task helper

[1.5.0] - 2014-09-18

Changed

Bugfix release

[1.4.0] - 2014-07-01

Changed

Bugfix release

[1.3.0] - 2014-05-17

Changed

Bugfix release

[1.2.0] - 2014-04-21

Changed

Bugfix release

[1.1.0] - 2014-03-29

Changed

Bugfix release

[1.0.5] - 2014-01-07

Changed

Fully support F# 3.1
Compatible with F# on Mono
Handle external functions
Improve support of multiline strings
Implement various bug fixes

[1.0.4] - 2013-11-16

Changed

Implement various bug fixes

[1.0.3] - 2013-10-06

Changed

Implement various bug fixes
Synchronize version numbers with NuGet packages

[0.7.1] - 2013-03-24

Changed

Support Visual Studio 2013 (not support F# 3.1 constructs yet)

[0.7.0] - 2013-03-24

Changed

Implement formatting cursor positions
Implement reordering of open statements
Enhance indentation of anonymous functions
Add line breaks for nested let bindings
Implement various bug fixes

[0.5.0] - 2013-03-22

Changed

Improve formatting of signatures
Improve UI interaction
Enhance spacing of function applications and arguments
Implement various bug fixes

[0.4.1] - 2013-03-22

Changed

Initial release

Files

CHANGELOG.md

Latest commit

History

CHANGELOG.md

File metadata and controls

Changelog

6.3.16 - 2024-10-29

Fixed

6.3.15 - 2024-09-14

Fixed

6.3.14 - 2024-09-14

Fixed

6.3.13 - 2024-09-10

Fixed

6.3.12 - 2024-09-05

Fixed

6.3.11 - 2024-08-16

Fixed

6.3.10 - 2024-07-12

Changed

Fixed

6.3.9 - 2024-06-10

Fixed

6.3.8 - 2024-06-06

Fixed

6.3.7 - 2024-06-01

Fixed

6.3.6 - 2024-06-01

Fixed

6.3.5 - 2024-05-30

Fixed

6.3.4 - 2024-04-16

Fixed

6.3.3 - 2024-04-12

Fixed

6.3.2 - 2024-04-12

Changed

Fixed

6.3.1 - 2024-03-30

Fixed

6.3.0 - 2024-03-15

Miscellaneous

6.3.0-beta-001 - 2024-03-07

Miscellaneous

6.3.0-alpha-008 - 2024-03-01

Changed

Fixed

6.3.0-alpha-007 - 2024-01-27

Changed

6.3.0-alpha-006 - 2024-01-09

Changed

6.3.0-alpha-005 - 2023-12-22

Changed

Fixed

6.3.0-alpha-004 - 2023-12-06

Fixed

Changed

6.3.0-alpha-003 - 2023-11-15

Fixed

6.3.0-alpha-002 - 2023-11-07

Changed

Added

6.3.0-alpha-001 - 2023-11-03

Changed

6.2.3 - 2023-11-2

Fixed

6.2.2 - 2023-10-18

Fixed

6.2.1 - 2023-09-18

Fixed

6.2.0 - 2023-08-29

Changed

Added

Fixed

6.1.3 - 2023-08-25

Changed

Fixed

6.1.2 - 2023-07-23

Changed