All files / src/Observable Observable.ts

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import { scope } from '../constants'
import { type Observer } from '../types'
 
export class Observable<V> {
  readonly observers = new Set<Observer>()
  rawValue: V
 
  get value () {
    const { activeWatcher } = scope
 
    if (activeWatcher) {
      this.observers.add(activeWatcher)
 
      activeWatcher.destructors.add(() => {
        this.observers.delete(activeWatcher)
      })
    }
 
    return this.rawValue
  }
}