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2.0.0 Alpha1

documentation/sections/changelog/2.0.0-alpha1.md

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releaseHeader('2017-02-21', '2.0.0-alpha1', '1.12.4')
  • Initial alpha release of CoffeeScript 2. The CoffeeScript compiler now outputs ES2015+ syntax whenever possible. See breaking changes.
  • Classes are output using ES2015 class and extends keywords.
  • Added support for async/await.
  • Bound (arrow) functions now output as => functions.
  • Function parameters with default values now use ES2015 default values syntax.
  • Splat function parameters now use ES2015 spread syntax.
  • Computed properties now use ES2015 syntax.
  • Interpolated strings (template literals) now use ES2015 backtick syntax.
  • Improved support for recognizing Markdown in Literate CoffeeScript files.
  • Mixing tabs and spaces in indentation is now disallowed.
  • Browser compiler is now minified using the Google Closure Compiler (JavaScript version).
  • Node 7+ required for CoffeeScript 2.