Announcing Scala.js v0.2

[Sébastien Doeraene]

Hello everyone, and happy new year!

I just tagged and published Scala.js v0.2! Several very nice features have reached master since 0.1, and I have emptied the queue of requested features that can be implemented in a few days' time, so I thought it was a good occasion to tag v0.2.

New features

• A testing framework based on Jasmine, working out-of-the-box.
  • See the bootstrapping skeleton for how to use it.
• Improved interoperability with JavaScript
  • Support for JavaScript callback functions where this is intended to be used as a parameter: the series of traits js.ThisFunctionN are similar to js.FunctionN, but take one additional argument which will be bound to this.
  • Object literal construction: js.Dynamic.literal(foo = 3, bar = "foobar") produces the JavaScript object {foo: 3, bar: "foobar"}
• True Longs
  • scala.Longs are now truly 64 bits, and respect the same semantics as on the JVM
• Support for Scala 2.11.0-M7
  • Just add scalaVersion := "2.11.0-M7" in your sbt build to use this alternative version of Scala.js
  • With -Xexperimental, JavaScript functions receive the SAM treatment, and hence types of parameters can be inferred for lambdas
  • With -Ydelambdafy:method, all lambdas in your code (except partial functions) are compiled as JavaScript functions.

Improvements

• Compile errors for invalid js.Any definitions
  • The compiler now issues clear error messages when you try to define subclasses of js.Any where it is not permitted. Previously your code would crash at runtime with obscure error messages.
• Smaller output
  • We continue to strive for smaller dev and opt versions of the emitted code size. In particular, most lambdas in your code are now translated as JavaScript functions with tiny wrappers rather than full classes, reducing the size of the output.

Bug fixes

See all bug fixes for 0.2 in the issue tracker.

 

A big thank you to all the contributors!

#	Author
36	Sébastien Doeraene
32	Tobias Schlatter
2	Li Haoyi
1	Piotr Kolaczkowski
1	Vincent Munier
1	chrismcc
1	olivier
1	EECOLOR

 

Complete commit list!

sha	Title
5890198	Version 0.2.
8c032ab	Remove obsolete patching in the runner for partest.
2447303	Blacklist a test that crashes Rhino.
cbbb5f7	Pass command-line arguments to main method in run task.
2620d06	Add line in travis matrix to use -Xexperimental in test suite.
d819606	Fix translation of JS SAMs when they are nested in other lambdas.
6cc77e4	Add support for SAM treatment of js.ThisFunctionN.
6df81e4	Add js.ThisFunctionN to capture JS `this` as parameter.
8447f8f	Add an object literal construction mechanism.
82c0ed1	Integrate unit testing framework with sbt test discovery.
c37a2a1	Fix #55: Correctly dispatch `subSequence` on non-string CharSequence
e554140	Fix #65: Hack in Regex adapter to make StringLike.split(c: Char) work
b2999eb	Fix #58: Implement java.lang.String.toCharArray
fb4303b	Fixes #91 : expand fromFunctionN, toFunctionN, FunctionN and AnonFunctionN to 22
76fe9b1	#93: Add complete set of fill methods for java.util.Arrays.
c074d9f	Fix Formatter's failure and positional behavior
7718807	Fix #47: Implement 's' conversion
9a25b7f	Fix already existing conversion to comply with JavaDoc
8bd9bb2	Move formatting code to java.util.Formatter
f046428	Implement upper/lower case functions on java.lang.Character
4f9164d	Fix #79: Allow anonymous subclasses of js.Any for lambdas
23daed9	Fix #79: Fail if an anonymous class extends js.Any
c99d782	Fix #78: Fail if a case class extends js.Any
028898d	Fix #83: swallow Unit expr when converting to js.Undefined.
12031a1	Auto-publish compiler and library for Scala 2.11.0-M7.
e6b68cd	Fix #69: optimizeJS should be wrapped in anon function.
8cd1788	Add java.io.IOException.
99cb13b	Port all the missing java.util and java.lang Exceptions/Errors.
06a2a95	Classify some partests
4a62499	Add Buglist and Blacklist test flag to partest
4038406	Reclassify partests that now succeed
11c01f5	Re-Implement java.lang.Long in terms of the new runtime representation
e2be2d5	Patch scala.scalajs.runtime.Long as runtime replacement for JavaScript numbers
3c57386	Add scalajs library to compiler dependencies
44e11b1	Add scala.scalajs.runtime.Long (javascript compatible 64-bit Long)
767ec87	Re-allow js.Any ctors with arguments
629f8c8	Fix #57: clone on Array[ T] fails.
e833b0e	Fix #56: Broken boxing of Byte.
372bcdf	Some new whitelisted tests, and some blacklisted b/c of time.
b2418ed	Fix semantics of null.asInstanceOf[Int] and other primitives.
f98211f	Fix #66: emit static calls for forwarding a constructor call.
62b752e	Fix #63: test was too restrictive for compareTo on strings.
031f338	Add checks for js.Any class structure in frontend- phase
b57456a	Add secondary constructor to js.Function to have no-arg primary ctor as required
d020955	Remove call to beforePhase to check for js.GlobalScope
4d76bd2	Apply -Ydelambdafy:method to the library.
9666214	Fix bug in handling -Ydelambdafy:method and value classes.
8f777c9	Classify a lot of tests.
7fed538	Implement java.lang.Long.bitCount
1a71559	Hack scalajs partest interface to allow to run single tests
04df991	add tests considered bugs, create flag to only run tests that are not classified
222667a	Add partest to run Scala's test suite.
40d51eb	Add basic support for -Ydelambdafy:method.
5222d1c	Add support for SAM treatment of js.FunctionN.
8a56e8a	Upgrade to Scala 2.11.0-M7.
ec9992a	Generalize RhinoBasedRun.
999deb1	Emit Scala lambdas as JS lambdas as much as possible.
dac45fd	fix js.Dictionary.fromAny (add missing type param to cast)
9b7992a	add js-interop phase to compiler and have it tag raw js classes
39760f9	Added doccomments from MDN to Javascript standard library stubs
24d26cf	Add implicit conversions from JS primitives to Rich ops.
30c398e	Fix: avoid to create a js.Try wout catch nor finally.
5f7a8d4	Make JSDesugar.unnest() a bit more clever.
4561cbe	Alternative implem for protection of receivers of raw apply.
ae3801a	More rational usage of exprToStat() and statToExpr().
ca76540	Make sure js.Block() is always created with 2+ elements.
064cd96	Do not print else branch when it is js.Skip().
5973b5e	Improvement on the translation for pattern matching.
6ab2fdb	fix #48 correctly convert negative numbers with x conversion
9f0df36	add SIZE constants to number companions
6901737	fix #46 add padding after prefix in String.format
9d0bda8	add method Integer.numberOfTrailingZeros
45a7280	Auto-publish after successful build on master.
a870bce	Update README.md
68e9639	Towards 0.2.

Enjoy!

Sébastien

[Sebastian Nozzi]

Awesome release / features!

Congratulations and thanks to everyone making this possible :-)

[Antonio A. Carrillo Hernández]

Great work!!

[Benjamin Jackman]

Wow this is awesome, Great job!

[Li Haoyi]

I have Scalatags cross-building and cross-testing (copy&pasted tests) great under Scala 2.10 and ScalaJS 0.2; things are looking great =)

Question: when I do eventually want to put a ScalaTags-Js artifact somewhere where (other people's) SBT can find it, is there some place/process for me to do so? The Scala-JVM artifact's going to maven central, but I seem to remember the consensus being we shouldn't put javascript artifacts on maven central with all the java artifacts.

[Sebastian Nozzi]

2014/1/8 Li Haoyi <haoy...@gmail.com>

I have Scalatags cross-building and cross-testing (copy&pasted tests) great under Scala 2.10 and ScalaJS 0.2; things are looking great =)

Cool! Type-safe, Scala based HTML templating client-side! 

Question: when I do eventually want to put a ScalaTags-Js artifact somewhere where (other people's) SBT can find it, is there some place/process for me to do so? The Scala-JVM artifact's going to maven central, but I seem to remember the consensus being we shouldn't put javascript artifacts on maven central with all the java artifacts.

Hmmm... how does webjars do it, then? http://www.webjars.org/

Cheers,

Sebastian

[Sebastian Nozzi]

2014 will be the year of Scala.js! :-)

[or does it bring bad luck to make such predictions... I just think of "Linux on the desktop" - by the way, writing from an Ubuntu machine ;-)]

[Sébastien Doeraene]

We should setup an Artifactory for repo.scala-js.org, I think (currently it's bare sftp). The main issue is finding a server, because Artifactory is too heavy for my personal server. I'll bring this up at the next Scala meeting.

Cheers,

Sébastien

On Wed, Jan 8, 2014 at 10:06 AM, Sebastian Nozzi <sebn...@gmail.com> wrote:

2014 will be the year of Scala.js! :-)

[or does it bring bad luck to make such predictions... I just think of "Linux on the desktop" - by the way, writing from an Ubuntu machine ;-)]

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[Adriaan Moors]

I'd also consider bintray.