app/assets/javascripts/ide/lib/common/disposable.js


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export default class Disposable {
  constructor() {
    this.disposers = new Set();
  }

  add(...disposers) {
    disposers.forEach(disposer => this.disposers.add(disposer));
  }

  dispose() {
    this.disposers.forEach(disposer => disposer.dispose());
    this.disposers.clear();
  }
}