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Opal v0.7.0 Release Notes

Release Date: 2015-02-01 // over 9 years ago

    • Stop keyword-arg variable names leaking to global javascript scope

    • 💎 Class#native_class now also exposes MyClass.new (Ruby) as Opal.global.MyClass.new() (JS)

    • ➕ Add CRuby (MRI) tests harness to start checking Opal against them too.

    • ➕ Add Minitest to the stdlib.

    • ➕ Add Date#<=> with specs.

    • 🏗 Show extended info and context upon parsing, compiling and building errors.

    • 👌 Support keyword arguments in method calls and definitions.

    • 🛠 Fix begin/rescue blocks to evaluate to last expression.

    • 💎 Add support for RUBY_ENGINE/RUBY_PLATFORM != "opal" pre-processor directives.

      if RUBY_ENGINE != "opal"
  # this code never compiles
end

    • 🛠 Fix donating methods defined in modules. This ensures that if a class includes more than one module, then the methods defined on the class respect the order in which the modules are included.

    • 👌 Improved support for recursive Hash for both #inspect and #hash.

    • ⚡️ Optimized Hash implementation for String and Symbol, they have a separate hash-table in which they're used as both keys and hashes.

    • ➕ Added real #hash / eql? support, previously was relying on .toString().

    • String#to_proc now uses __send__ instead of send for calling methods on receivers.

    • 🗄 Deprecated Opal::Sprockets::Environment. It can easily be replaced by Opal::Server or by appending Opal.paths to a Sprockets::Environment:

      Sprockets::Environment.new.tap { |e| Opal.paths.each {|p| e.append_path(p)} }

    • ➕ Add Set methods #classify, #collect!, #map!, #subtract #replace, #difference and #eql?

    • 👌 Support module_function without args to toggle module functions.

    • 🛠 Fix bug where command calls with no space and sym arg were incorrectly parsed.

    • ➕ Add some StringScanner methods.

    • ➕ Add Date#<< and Date#>> implementations.

    • 👌 Support nested directories using require_tree directive.

    • 🛠 Fix bug where Exception subclasses could not have methods defined on them.

    • 🛠 Fix symbols with interpolations :"#{foo}"

    • 👍 Implement $1..N matchers and rewrite support for $~, $', $& and $`.

    • Implement Regexp.last_match.

    • 🛠 Fixed -@ unary op. precedence with a numeric and followed by a method call (e.g. -1.foo was parsed as -(1.foo))

    • require_relative (with strings) is now preprocessed, expanded and added to Compiler#requires

    • Rewritten the require system to respect requires position (previously all the requires were stacked up at the top of the file)

    • Implement for-loop syntax

    • ➕ Add Array#|

    • 🛠 Fix Range.new to raise ArgumentError on contructor values that cannot be compared

    • 🛠 Fix compiler bug where Contiguous strings were not getting concatenated.

    • Cleanup generated code for constant access. All constant lookups now go through $scope.get('CONST_NAME') to produce cleaner code and a unified place for const missing dispatch.

    • ✂ Remove const_missing option from compiler. All constant lookups are now strict.

    • ➕ Add initial support for Module#autoload.

    • 🛠 Fix Enumerator#with_index, Numeric#round.