feat(event-bus): implement simple eventbus class

[ilyamore88]

Task #22

Changelog

• Add EventBus class
• EventBus extends EventTarget methods
• Add base events for blocks

ToDo

• Add types for event objects
• Connect the Document model to EventBus

[github-actions[bot]]

✅ Mutation testing passed

Report: https://dashboard.stryker-mutator.io/reports/github.com/editor-js/document-model/PR-43

Mutated files

src/utils/EventBus/EventBus.ts
src/utils/EventBus/events/BlockAddedEvent.ts
src/utils/EventBus/events/BlockModifiedEvent.ts
src/utils/EventBus/events/BlockRemovedEvent.ts
src/utils/EventBus/types/EventAction.ts
src/utils/EventBus/types/EventMap.ts
src/utils/EventBus/types/EventPayloadBase.ts
src/utils/EventBus/types/EventTarget.d.ts
src/utils/EventBus/types/EventType.ts
src/utils/EventBus/types/indexing.ts
  

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟢	Statements	100%	453/453
🟢	Branches	99.21%	126/127
🟢	Functions	99.18%	121/122
🟢	Lines	100%	431/431

Test suite run success

311 tests passing in 18 suites.

Report generated by 🧪jest coverage report action from 033165db654946d0220d30057b354875b04393ce