Migrate to ESM and Composition API

[filipsobol]

Suggested merge commit message (convention)

Fix: Use type of the passed editor prop rather than generic Editor type. Closes #282.

Internal: Migrate from webpack and Karma to Vite and Vitest. See ckeditor/ckeditor5#16616.

MINOR BREAKING CHANGE: Migrate to ESM. See ckeditor/ckeditor5#16616.

MINOR BREAKING CHANGE: Migrate to Composition API. Closes #172.

MINOR BREAKING CHANGE: Bump required version to Vue 3.4+. See #282.

MINOR BREAKING CHANGE: Export the component as Ckeditor instead of default.component. Closes #284.

MINOR BREAKING CHANGE: Remove argument from the destroy event, as it was always null. Closes #283.

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Additional information

Closes #274.

[psmyrek]

The demo app seems to work fine 🎉

[coveralls]

Pull Request Test Coverage Report for Build 5f570a5b-731d-4764-a4c4-edb6b30c34c5

Details

• 56 of 56 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 9751cd6f-93e0-4d44-903b-facc911287d0:	0.0%
Covered Lines:	57
Relevant Lines:	57

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💛 - Coveralls

[pomek]

Please rewrite the proposed commit message to match https://ckeditor.com/docs/ckeditor5/latest/framework/contributing/git-commit-message-convention.html#convention.

[psmyrek]

LGTM 🎉