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babel/CHANGELOG.md
Sebastian McKenzie 93d5288d71 4.6.3
2015-03-01 11:05:33 +11:00

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Changelog

Tags:

  • [New Feature]
  • [Bug Fix]
  • [Spec Compliancy]
  • [Breaking Change]
  • [Documentation]
  • [Internal]
  • [Polish]

Note: Gaps between patch versions are faulty/broken releases.

See CHANGELOG - 6to5 for the pre-4.0.0 version changelog.

4.6.3

  • Bug Fix
  • Fix arguments being incorrectly aliased in arrow function rest parameter optimisation.
  • Make deoptimisation trigger safer.

4.6.1

  • Bug Fix
  • Fix generators in template directory being transformed.
  • Fix exposure of util for plugins.

4.6.0

  • New Feature
  • Desugar sticky regexes to a new constructor expression so it can be handled by a polyfill.
  • Spec Compliancy
  • for...of now outputs in a lengthy try...catch this is to ensure spec compliancy in regards to iterator returns and abrupt completions. See google/traceur-compiler#1773 and babel/babel/#838 for more information.
  • Polish
  • Rest parameters that are only refered to via number properties on member expressions are desugared into a direct arguments reference. Thanks @neVERberleRfellerER!
  • $ babel no longer exits on syntax errors.
  • Internal
  • Upgrade browserify.
  • Upgrade source-map.
  • Publicly expose more internals.

4.5.5

  • Polish
  • Delete old extensions when overriding them in babel/register.

4.5.3

  • Bug Fix
  • Fix whitelisting logic for helper build script.

4.5.2

  • New Feature
  • returnUsedHelpers option and add whitelist to buildHelpers.
  • Bug Fix
  • Fix function arity on self referencing inferred named functions.
  • Internal
  • Bump acorn-babel.
  • Start converting source to ES6...

4.5.1

Babel now compiles itself!

holy shit

4.5.0

  • New Feature
  • Add .babelrc support.
  • Bug Fix
  • Move use strict directives to the module formatter bodies.
  • Internal
  • Make default bin/babel behaviour to ignore non-compilable files and add a --copy-files flag to revert to the old behaviour.

4.4.6

  • Bug Fix
  • Fix extending a class expression with no methods/only constructor. Thanks @neVERberleRfellerER!
  • Allow MemberExpression as a valid left of ForOfStatement.
  • Polish
  • Throw an error when people try and transpile code with the @jsx React.DOM pragma as it conflicts with the custom jsx constructo method detection.
  • Crawl all comments for @jsx pragma.
  • Internal
  • Upgrade chalk.
  • Upgrade core-js.

4.4.5

  • Internal
  • Remove function self reference optimisation.

4.4.4

  • Bug Fix
  • Handle inferred function ids to be reassigned and deopt to a slower but working equivalent.
  • Don't unpack array patterns that have more elements than their right hand array expression.
  • Polish
  • Improve syntax highlighting in the code frame. Thanks @lydell!
  • Internal
  • Upgrade acorn-babel.

4.4.3

  • Bug Fix
  • Fix for...of iterator break returns being duplicated.
  • Only call return on the iterator if it exists.
  • Internal
  • Rename selfContained transformer to runtime.

4.4.2

  • New Feature
  • Add moduleId option for specifying a custom module id.

4.4.0

  • New Feature
  • /*** @jsx NAMESPACE **/ comments are now honored by the react transformer.
  • getModuleName option.
  • Infer function expression names. Thanks @RReverser!
  • Bug Fix
  • Add proper control flow for tail recursion optimisation.
  • Internal
  • Remove useless format options and move the format.compact option to format.
  • Polish
  • Newline handling of the code generator has been heavily improved.
  • Code generator now deopts whitespace if the input size is >100KB.

4.3.0

  • Breaking Change
  • Remove commonStandard module formatter and make it the default behaviour of all the strict module formatters.

4.2.1

  • Polish
  • Add auxiliary comment to let scoping closure flow control.

4.2.0

  • Polish
  • Use an assignment instead of a define for __esModule in loose mode.
  • Internal
  • Add error for eval(); usage and enable strict mode for parsing.

4.1.0

  • New Feature
  • Add BABEL_CACHE_PATH and BABEL_DISABLE_CACHE environment variables.
  • Internal
  • Replace many internal util functions with modules. Thanks @sindresorhus!

4.0.2

  • Bug Fix
  • Fix generators not properly propagating their internal declarations.
  • Polish
  • Update setter param length error message.
  • Use ranges on dependencies.

4.0.0

  • 6to5 is now known as Babel.
  • Global helpers/runtime has now been given the more descriptive name of "external helpers".