CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

4.3.0 - 2024-01-25

Added

JavaScript

• Add DataView.getBigInt64 by (@PierreYvesR)
• Add DataView.getBigUint64 by (@PierreYvesR)
• Add DataView.setBigInt64 by (@PierreYvesR)
• Add DataView.setBigUint64 by (@PierreYvesR)

4.2.0 - 2021-10-24

Added

JavaScript

• Add NumberConstructor.EPSILON (by @MangelMaxime)
• Add NumberConstructor.isFinite (by @MangelMaxime)
• Add NumberConstructor.isInteger (by @MangelMaxime)
• Add NumberConstructor.isSafeInteger (by @MangelMaxime)
• Add NumberConstructor.MAX_SAFE_INTEGER (by @MangelMaxime)
• Add NumberConstructor.MIN_SAFE_INTEGER (by @MangelMaxime)
• Add NumberConstructor.parseFloat (by @MangelMaxime)
• Add NumberConstructor.parseInt (by @MangelMaxime)

Changed

JavaScript

• Change NumberConstructor.isNaN from float -> bool to obj -> bool (by @MangelMaxime)

4.1.1 - 2023-10-18

Added

Python

• Fix #3482: Revert removal of Py.python and Py.expr_python (by @dbrattli)

4.1.0 - 2023-09-29

• Fix #3482: Remove Py.python and Py.expr_python
• Add !^ to Fable.Core.RustInterop module
• Fix #3484: Rename emitStatement to emitPyStatement in PyInterop
• Fix #3484: Rename emitExpr to emitPyExpr in PyInterop
• Fix #3484: Replace Rust.emitExpr with RustInterop.emitRustExpr

4.0.0-beta-001 - 2022-09-07

• Fable 4 stable

4.0.0-theta-007 - 2022-11-13

• Fix #3249 by enabling uncurrying for functions with multiple parameters @inosik

4.0.0-theta-006 - 2022-10-14

• Python fixes for decorator attribute

4.0.0-theta-005 - 2022-10-04

• Add JSX.jsx function

4.0.0-theta-004 - 2022-09-28

• Add ??= operator to JsInterop

4.0.0-theta-003 - 2022-09-22

• Python fixes for Interactive

4.0.0-theta-002 - 2022-09-21

• Python helpers for Interactive
• JS helpers for JSX/React integration

4.0.0-theta-001 - 2022-09-09

• Fable 4 theta release

4.0.0-snake-island-alpha-007 - 2022-07-25

• Snake Island alpha release

4.0.0-snake-island-alpha-006 - 2022-07-12

• Some Rust helpers

4.0.0-snake-island-alpha-005 - 2022-06-03

• DartNullable and other Dart helpers

4.0.0-snake-island-alpha-004 - 2022-05-25

• JSX string templates

4.0.0-snake-island-alpha-003 - 2022-05-23

• Add Dart print/Future/Stream

4.0.0-snake-island-alpha-002 - 2022-05-20

• JSX Support

4.0.0-snake-island-alpha-001 - 2022-05-11

• Snake Island alpha release

3.7.1 - 2022-05-27

• Add AsyncIterable to Fable.Core.JS

3.7.0 - 2022-04-29

• Fix #2863: Add a nestable union type U9 @cannorin
• Fix links in doc comments

3.6.2 - 2022-02-17

• Fix #2805: Improve jsNative error messages
• Revert changes in Core.JS, see Fulma/issues/294

3.6.1 - 2021-11-26

• TypescriptTaggedUnion @cannorin

3.6.0-beta-001 - 2021-11-17

• Add Fable.Core.Compiler.triggeredByDependency flag

3.4.0 - 2021-10-01

• ParamObject attribute

3.3.1 - 2021-09-16

• JS.Decorator/ReflectedDecorator attributes
• JS.Function

3.2.9 - 2021-08-26

• Add FormattableString.GetStrings() extension

3.2.8 - 2021-06-11

• Experimental.namesofLambda

3.2.7 - 2021-05-14

• Publish with icon and symbols @cartermp

3.2.6 - 2021-04-09

• Experimental casenameWithFieldIndex

3.2.5 - 2021-03-11

• Add Compiler.extension

3.2.4 - 2021-02-12

• Add Object.values, Object.entries @kerams
• Add JsInterop.jsTypeof/jsInstanceof
• Add JS.Constructors.Array.Create/from

3.2.3 - 2021-01-08

• Fix incompatibility with Feliz @TIHan

3.2.2 - 2020-12-22

• AttachMembers attribute

3.2.1 - 2020-12-16

• Lower FSharp.Core requirement to 4.7.2

3.2.0 - 2020-12-04

• New helpers for Fable 3
• Mangle attribute
• isStatement parameter for Emit attribute
• emitJsExpr and emitJsStatement helpers
• Access compiler options in Compiler module

3.1.6 - 2020-09-22

• Fixed TypedArray.set signature @Shmew

3.1.5 - 2020-02-10

• Fixed missing indexer in JS TypedArray.

3.1.4 - 2019-12-23

• Fix JS Map constructor @Luiz-Monad

3.1.3 - 2019-11-07

• PR #1935: Put JS constructors in different module to prevent conflicts @pauldorehill

3.1.2 - 2019-10-14

• Add CaseRules.SnakeCase

3.1.1 - 2019-09-25

• Fix TypedArray bindings @Titaye

3.1.0 - 2019-09-17

• Add JS Typed Arrays @Titaye
• Fix names of arguments in Testing.Assert @zanaptak

3.0.0-beta-001 - 2019-02-28

• Add JsInterop.importValueDynamic
• Move nameof operators to Experimental module
• JS extensions
• Add Emit and Import attribute aliases
• Namespace restructure

3.0.0-beta-006 - 2019-04-12

• Add JsInterop.importValueDynamic

3.0.0-beta-005 - 2019-03-13

• Move nameof operators to Experimental module

3.0.0-beta-004 - 2019-03-12

• Move JS extensions to Fable.Core.Extensions file

3.0.0-beta-003 - 2019-03-05

• Add some missing JS APIs

3.0.0-beta-002 - 2019-03-04

• Array .buffer extension
• Add Emit and Import attribute aliases

3.0.0-beta-001 - 2019-02-28

• Namespace restructure

2.1.0-alpha-002 - 2019-01-22

• Clean Fable.Import.JS module and rename it to Fable.Core.JS
• Add unions of measure for non-numeric primitive types

2.0.3 - 2018-12-10

• Add Fable.Core.Reflection module

2.0.2 - 2018-11-20

• Add nameof2 and exportDefault

2.0.1 - 2018-10-26

• Fix ReadonlyArray spelling

2.0.0-alpha-001 - 2018-05-24

• Fable 2

1.3.7 - 2017-12-21

• See dotnet-fable 1.3.7 release notes

1.3.0-beta-009 - 2017-11-15

• See dotnet-fable 1.3.0-beta-009 release notes

1.2.4 - 2017-09-27

• See dotnet-fable 1.2.4 release notes

1.2.3 - 2017-09-18

• Fix #1135, #1136: unit option hack doesn't work with generic functions

1.2.2 - 2017-09-18

• See Fable.Compiler 1.2.2

1.2.1 - 2017-09-10

• Guid validation and byte[] conversion
• Date Fix #1139

1.2.0-beta-001 - 2017-08-23

• Add support for String.filter #1133
• Fix #1131: DateTime.ToString not working without separator

1.2.0-beta-004 - 2017-09-05

• Fix format over local dates #1129
• Fix 2 digits years datetime #1127

1.2.0-beta-003 - 2017-08-31

• Don't calculate relative path for paths in different drive letters on Windows

1.2.0-beta-002 - 2017-08-30

• Target netstandard1.6 again

1.2.0-beta-001 - 2017-08-23

• Upgrade to netstandard2.0

1.1.15 - 2017-08-22

• Fix #1113: Set.union

1.1.14 - 2017-08-08

• Fix #1104: JSON serialization of Long and BigInt

1.1.12 - 2017-07-31

• Add DateTime ticks constructor
• Convert to and from Base64String

1.1.11 - 2017-07-27

• Fix #1094: Implement "indexed" in collection modules

1.1.10 - 2017-07-24

• Fix recursive functions in Seq module

1.1.9 - 2017-07-22

• Add constructors to JsFunc

1.1.8 - 2017-07-18

• Small refactoring
• Add DateTime.IsDaylightSavingTime replacement (#1082, #1083)

1.1.7 - 2017-07-11

• Support String.Join with objects (#1058)

1.1.6 - 2017-07-04

• Fix #1046: Parse time-only strings
• Support some System.Uri static methods (#1048)

1.1.5 - 2017-06-28

• Fix #1028: Arguments of auto-generated lambdas conflicting with outer variables

1.1.4 - 2017-06-24

• Fix fable-import/#9: Don't try to replace method calls in bindings

1.1.3 - 2017-06-20

• Add System.Console reference

1.1.2 - 2017-06-20

• Fix Paket groups for Fable.Core

1.1.1 - 2017-06-19

• Fix F# compiler errors in recompilation
• Fix Elmish.Browser parser (#1003)
• Add support for Option.defaultValue
• Warn when there are nested options
• Add replacement for System.Environment.NewLine (#993)
• Expose Console among JS import globals

1.1.0-rc-001 - 2017-06-10

• Fable stablish, yeah!

1.1.0-rc-002 - 2017-06-12

• Fix #996: Don't wrap dynamic CurriedLambdas

1.1.0-rc-001 - 2017-06-10

• Support Paket groups and move Browser and Node bindings out of Fable.Core

1.0.8 - 2017-06-02

• Fix #940: Compilation of multiple projects in parallel

1.0.7 - 2017-05-27

• Fix #952: Don't remove non-null unit arguments
• Fix #944: Import and Emit on same function

1.0.6 - 2017-05-24

• Propagate subprocess exit code

1.0.5 - 2017-05-24

• Fix #946: --port free throws exception

1.0.4 - 2017-05-17

• Don't redirect dotnet-fable commands but check version and locate fable-core JS files in packages/Fable.Core

1.0.0-narumi-917 - 2017-05-16

• Fix location of fable-core files

1.0.0-narumi-916 - 2017-05-15

• We're going PAKET!

1.0.0-narumi-915 - 2017-05-09

• Fix curried lambdas assigned to generic params (see #888)

0.7.49 - 2017-03-29

• Fix #744: CLI argument flags

0.7.48 - 2017-03-29

• Fix #736: Case testing with erased unions

0.7.47 - 2017-03-29

• Tailcall optimizes function arguments: #681

0.7.45 - 2017-03-29

• Fix import expressions with methods with function arguments: #721

0.7.43 - 2017-03-29

• Add reflection methods (see ReflectionTests.fs)
• Improve import expressions #721

0.7.42 - 2017-03-29

• Tailcall optimizations: PR #669 + Fixes

0.7.37 - 2017-03-29

• Add FSharp.Core.dll to fable-compiler package
• Improve handling of jsThis

0.7.35 - 2017-03-29

• Only show Rollup warnings in --verbose mode
• Minor fixes

0.7.34 - 2017-03-29

• Fix #660: Option.fold and Option.foldBack

0.7.33 - 2017-03-29

• Add operator enum

0.7.32 - 2017-03-29

• Fixed default comparer: PR #658

0.7.31 - 2017-03-29

• Added BigInt conversions: PR #650

0.7.30 - 2017-03-28

• Fix #649: Int64 serialization
• Fix #648: Caching of namespace F# entities
• Fix #646: Zero fill shift right (>>>) for uint32

0.7.29 - 2017-03-14

• Add BigInteger support

0.7.28 - 2017-02-21

• Fix #640: Omitted non optional nulls
• Fix #638: Inlined methods with this argument

0.7.27 - 2017-02-21

• Add --includeJs compiler argument
• Fix #629: Visual Studio error format
• Fix #637: IEnumerable runtime issue

0.7.26 - 2017-01-25

• Fixed Option.foldBack (#634)
• Improve .NET Enumerator/JS Iterator compatibility
• Fix #633: jsThis
• Fixed Option.foldBack (PR #634)

0.7.25 - 2017-01-20

• Fix #623: JS Global properties
• Fix #624: Aether compilation

0.7.24 - 2017-01-19

• Fix module generic methods without arguments
• Added String.IndexOfAny/Compare/Equals with StringComparison enum
• Fix generic types when compiling to ES2015
• Unify Equals and CompareTo methods of Long.ts

0.7.23 - 2017-01-17

• Fix #348 #608 Double/Int32 Parse & TryParse
• Fix #609: Event unsubscription
• Fix custom exception type testing in ES5
• Inline local lambdas as values (#601)
• Fix edge case in toJson (#611)
• Fix fable-core Babel compilation
• Added 64-bit integers (#600)
• Fix #237: Recursive value definitions
• Added char to int (#594)

0.7.22 - 2017-01-13

• Fix secondary constructors of imported classes
• Improvements in option handling

0.7.20 - 2017-01-09

• Prevent infinite loops for bundle errors in watch mode

0.7.19 - 2017-01-06

• Fix #509: Add KeyValuePattern
• Fix #544 #585: Bundling in watch mode
• Fix #589: Regex Provider with Fable 0.7
• Add optional argument to GlobalAttribute

0.7.18 - 2017-01-05

• Add validation to ofJson
• Make Assert.AreEqual work with F# equality
• Improve dynamic programming (add jsThis)
• Add Printf.kprintf (#583)
• Fix sprintf "%X" (#580)
• Fix #579: Printf.printfn

0.7.17 - 2016-12-30

• Add Pojo union types

0.7.16 - 2016-12-26

• Fix issues in generic resolution

0.7.15 - 2016-12-06

• Issue warning when calling typeof on a generic parameter
• Use absolute paths for assembly references in node_modules

0.7.14 - 2016-12-04

• Use "umd" distribution of fable-core and other libs when compiling for umd modules
• Fix #569: Types with circular dependencies

0.7.12 - 2016-12-01

• Fix #568: Types with StructAttribute (compiled as records)
• Better checking when calling functions with PassGenericsAttribute

0.7.11 - 2016-11-28

• Some adjustments in attribute resolution

0.7.10 - 2016-11-27

• Fix #565, #566: Only watch F# files
• Fix #564: Don't overload methods from imported classes
• Fix #563: Overloads with PassGenericsAttribute

0.7.9 - 2016-11-24

• Fix Array.rev (see #559)
• Added UnboxFast intrinsic / List.truncate (see #561)

0.7.8 - 2016-11-22

• System.Exception translates to JS Error
• Fix #556: inline methods placed after calls

0.7.7 - 2016-11-22

• Fix ES2015 imports

0.7.6 - 2016-11-22

• Too many changes to be listed, check the migration guide

0.7.5-alpha.41 - 2016-11-22

• Fix cyclic dependencies in fable-core

0.7.5-alpha.40 - 2016-11-22

• Minor fix

0.7.5-alpha.39 - 2016-11-22

• Simplify Reflection system
• Add PojoAttribute
• Replace baseDir of references with --refs argument

0.7.5-alpha.38 - 2016-11-22

• Fix #547: Ignored entities conflicting when calculating root namespace

0.7.5-alpha.37 - 2016-11-22

• Mangle class methods when they conflict with an implemented interface

0.7.5-alpha.35 - 2016-11-22

• Fix #545: Using Microsoft.FSharp namespace

0.7.5-alpha.34 - 2016-11-22

• Add import: selector->path->'T to import expressions
• Make arguments of JsConstructor statically typed
• Add logs when compiling files for bundling

0.7.5-alpha.33 - 2016-11-22

• Fix default watch directories
• Ignore interfaces

0.7.5-alpha.32 - 2016-11-22

• Compile scripts referenced as plugins
• Apply Replace plugins to any call
• Include in compilation JS files with relative paths

0.7.5-alpha.31 - 2016-11-22

• Fix #535: Script referenced entity replacements

0.7.5-alpha.30 - 2016-11-22

• Allow configuration of watching dirs

0.7.5-alpha.29 - 2016-11-22

• Fix infinite recursion when resolving generic parameters

0.7.5-alpha.28 - 2016-11-22

• More meaningful runtime representation of non-declared types

0.7.5-alpha.27 - 2016-11-22

• When inlining, assign arguments referenced more than once to a temp var
• Array.zeroCreate fills non-numeric arrays with null

0.7.5-alpha.26 - 2016-11-22

• Resolve trait calls as normal method calls (check EmitAttribute, etc)

0.7.5-alpha.24 - 2016-11-22

• Fix mangled interfaces
• Improve error messages

0.7.5-alpha.23 - 2016-11-22

• Add MangleAttribute to prevent conflicts with interfaces
• Allow combination of ImportAttribute and EmitAttribute
• Several fixes

0.7.5-alpha.22 - 2016-11-22

• Add catch-all for missing replacements when referencing types of the BCL or FSharp.Core
• Omit .js extension again in imports to keep compatibility with Require.js

0.7.5-alpha.21 - 2016-11-22

• Don't print warnings in process.stderr (see #516)
• Add String/formatError (see #519)
• Add .js extension to fable-core and internal imports

0.7.5-alpha.19 - 2016-11-22

• Distribute fable-core with ES2015 (default) and UMD module formats

0.7.5-alpha.18 - 2016-11-20

• Don't deem interface setters as overloads (see #505)

0.7.5-alpha.17 - 2016-11-16

• Update FCS and use Forge to read .fsproj files (removes MSBuild dependency)
• Bug fixes and optimizations

0.7.5-alpha.16 - 2016-11-13

• Add JsFunc and JsCons to Fable.Core.JsInterop

0.7.5-alpha.15 - 2016-11-12

• Use outDir to place the generated dll with .fsproj projects
• Only emit warnings when generating dlls in verbose mode
• Fix error when reading Rollup options

0.7.5-alpha.14 - 2016-11-09

• Fix errors in Fable JS API

0.7.5-alpha.12 - 2016-11-04

• Change --bundle option to --rollup
• --rollup can accept an object (in fableconfig.json) with Rollup config
• Improve plugin resolution for Babel and Rollup

0.7.5-alpha.11 - 2016-10-30

• Add a block scope to switch cases (see #483)

0.7.5-alpha.10 - 2016-10-29

• Fix invalid identifiers in top level members (see #482)
• Generate dll also for fsproj files
• Expose Fable library to JS API

0.7.5-alpha.9 - 2016-10-29

• Fix issues with bundling and System.Exception

0.7.5-alpha.8 - 2016-10-28

• Fix problems with dll generation

0.7.5-alpha.7 - 2016-10-23

• Add experimental --dll compiler option to generate assemblies

0.7.5-alpha.6 - 2016-10-22

• Fix path resolution when referencing assemblies

0.7.5-alpha.5 - 2016-10-19

• Fix partial patterns not returning any value (see #478)

0.7.5-alpha.4 - 2016-10-19

• Minor fixes

0.7.5-alpha.2 - 2016-10-17

• Resolve relative paths of referenced projects/dlls as if they were pointing to generated JS code from the fsproj/dll file (EntryModuleAttribute) or from working directory (--refs) and make them reachable from outDir (see #472)
• Always resolve relative paths in command line options with the directory from where fable is called

0.7.5-alpha.1 - 2016-10-16

• Fix prerelease semver. See documentation

0.7.5-alpha - 2016-10-16

• Add typedefof<>, .IsGenericType, .GetGenericTypeDefinition

0.7.4-alpha - 2016-10-15

• Resolve import relative paths so they can be reached from outDir if they don't point to an internal file (see #472)

0.7.3-alpha - 2016-10-15

• Add warning when creating references of types unknown at compile time

0.7.2-alpha - 2016-10-14

• Convert functions to delegates when passed as arguments to EmitAttribute
• Add warning when passing generic param to Serialize.ofJson/inflate

0.7.1-alpha - 2016-10-13

• Add --bundle compiler option
• Bring back JSON serialization with $type info

0.7.0-alpha - 2016-10-10

• Add type info to JS constructors: cases (unions) and properties (records and classes)
• Extend type references with generic info when calling typeof
• Add GenericParamAttribute to implicitly pass type info of generic parameters
• Add MutatingUpdateAttribute to compile record updates as mutations
• Add EntryModuleAttribute to mark assemblies as Fable libraries

0.6.15 - 2016-10-11

• Revert change from 0.6.14: ES6 modules automatically enable strict mode, so the directive is not needed

0.6.14 - 2016-10-11

• Add always "use strict" directive

0.6.12 - 2016-10-11

• Now fableconfig.json can be in JSON5 format (comments!)
• Omit lambda argument when it's of unit type

0.6.11 - 2016-10-11

• Don't wait until "postbuild-once" script is finished (see #432)

0.6.9 - 2016-10-11

• Fix #431: Add --babelrc compiler option
• Fix #432: Add "postbuild-once" script
• Fix #433: Add --noTypedArrays compiler option
• Fix #436: Inform users about not supported overloads of String.IndexOf/LastIndexOf
• Fix #438: Incorrect this in local let functions creating object expressions
• Fix #439: IDE locking project file and preventing watch compilations
• Change compilation defaults: module=commonjs & loose=true

0.6.7 - 2016-10-02

• Fix #416: Can't ifdef around a load directive
• Fix List.unfold: PR #428
• Use reference hint paths for netcore: PR #423

0.6.6 - 2016-09-30

• Support ResizeArray.FindAll: PR #412

0.6.5 - 2016-09-29

• Support decimal (converted to JS number): PR #413
• Support recursive records: PR #417

0.6.4 - 2016-09-28

• Fix #411: for .. downto

0.6.3 - 2016-09-15

• Fix watch compilation on Windows

0.6.2 - 2016-09-15

• Integer conversions (see #407)

0.6.1 - 2016-09-12

• Multiple bug fixes
• Internal Fable AST additions
• Rewrite plugins
• Use let/const when compiling value bindings to ES6
• Compile pattern matching with string or number literals as switch statements

0.5.11 - 2016-09-11

• Fix #382 (partially): Exclude files in "node_modules" when calculating the base directory of referenced dlls.

0.5.10 - 2016-09-11

• Fix #369: Extra blank lines when running postbuild script
• Fix #375: Add warning when replacements change semantics (printf, Async.Start...)
• Fix #377: Remove null args at the end of method/constructor calls also with macros

0.5.9 - 2016-09-11

• Fix type testing with Erased Unions
• Erase assigments generated for tuple, record and union gets
• Fix #370: Add warning when using unions or records with Dictionary (as keys) or HashSet
• Internal cleanup

0.5.8 - 2016-09-11

• Use chokidar to watch for file changes
• Fix calculation of relative paths with special characters (like "#")