atom/packages/deprecation-cop/lib/main.js

const { Disposable, CompositeDisposable } = require('atom')
const DeprecationCopView = require('./deprecation-cop-view')
const DeprecationCopStatusBarView = require('./deprecation-cop-status-bar-view')
const ViewURI = 'atom://deprecation-cop'

class DeprecationCopPackage {
  activate () {
    this.disposables = new CompositeDisposable()
    this.disposables.add(
      atom.workspace.addOpener(uri => {
        if (uri === ViewURI) {
          return this.deserializeDeprecationCopView({ uri })
        }
      })
    )
    this.disposables.add(
      atom.commands.add('atom-workspace', 'deprecation-cop:view', () => {
        atom.workspace.open(ViewURI)
      })
    )
  }

  deactivate () {
    this.disposables.dispose()
    const pane = atom.workspace.paneForURI(ViewURI)
    if (pane) {
      pane.destroyItem(pane.itemForURI(ViewURI))
    }
  }

  deserializeDeprecationCopView (state) {
    return new DeprecationCopView(state)
  }

  consumeStatusBar (statusBar) {
    const statusBarView = new DeprecationCopStatusBarView()
    const statusBarTile = statusBar.addRightTile({
      item: statusBarView,
      priority: 150
    })
    this.disposables.add(
      new Disposable(() => {
        statusBarView.destroy()
      })
    )
    this.disposables.add(
      new Disposable(() => {
        statusBarTile.destroy()
      })
    )
  }
}

module.exports = new DeprecationCopPackage()