Update class-component to version 9.0.0 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

class-component just published its new version 9.0.0, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of class-component – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 11 commits .

• 27a12c7 chore(version): :arrow_heading_up: bump to v9.0.0
• 8953113 doc(README): add doc of new decorators
• bdd067c test(emit): add test of emit decorators
• 93bb371 test(on): add test of on decorator
• c5197ed chore(TODO): update
• b7d73f7 feat(on): add on decorator
• 6c43403 chore(TODO.md): update
• 077ea22 chore(version): :arrow_heading_up: bump to v8.1.0
• c39c498 style: fix style issues
• a704efb fix(decorators): fix bug of decorators
• 21ab929 chore(TODO.md): update

See the full diff.

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[codecov-io]

Current coverage is 99.62%

Merging #15 into master will not change coverage

@@             master        #15   diff @@
==========================================
  Files            16         16          
  Lines           265        265          
  Methods           0          0          
  Messages          0          0          
  Branches          0          0          
==========================================
  Hits            264        264          
  Misses            1          1          
  Partials          0          0          

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