Update babel-eslint to the latest version 🚀

[greenkeeper[bot]]

Version 9.0.0 of babel-eslint was just published.

Dependency	babel-eslint
Current Version	8.2.6
Type	devDependency

The version 9.0.0 is not covered by your current version range.

If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.

It might be worth looking into these changes and trying to get this project onto the latest version of babel-eslint.

If you have a solid test suite and good coverage, a passing build is a strong indicator that you can take advantage of these changes directly by merging the proposed change into your project. If the build fails or you don’t have such unconditional trust in your tests, this branch is a great starting point for you to work on the update.

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Release Notes

v9.0.0

v9.0.0

We've released v7: https://twitter.com/left_pad/status/1034204330352500736, so this just updates babel-eslint to use those versions internally. That in itself doesn't break anything but:

• Babel now supports the new decorators proposal by default, so we need to switch between the new and the old proposal. This is a breaking change.

To enable the legacy decorators proposal users should add a specific parser option:

{
  parserOptions: {
    ecmaFeatures: {
      legacyDecorators: true
    }
  }
}

• Babel removed the support for Node 4 , so I propagated that here.

Commits

The new version differs by 15 commits ahead by 15, behind by 2.

• 6aa8b6f 9.0.0
• c7ee9ae Bump to [email protected] 🎉 (#676)
• 3ece549 Docs: Make the default parserOptions more explicit (#673)
• 0b36951 Add logical assignment plugin (#674)
• 5856ff5 Bump some devDeps
• 45938d9 build(deps): upgrade @babel/* to 7.0.0-rc.2 (#668)
• bc97875 9.0.0-beta.3
• 74c5d62 update lock
• 6a45632 chore - fixing eslint-scope to a safe version; resolves #656. (#657)
• e0119e0 9.0.0-beta.2
• 198964b Merge pull request #645 from rubennorte/support-new-flow-syntax-in-scope-analysis
• 9b06e1f Added failing test for variables used in type parameters
• 8948d83 Upgrade Babel to v7.0.0-beta.52 (#650)
• 4882b29 9.0.0-beta.1
• 15e8d6f Breaking: Upgraded Babel to 7.0.0-beta.51 (#642)

See the full diff

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