Overleaf/services/web/frontend/js/ide/toolbar/EditorToolbarController.js

import App from '../../base'
import importOverleafModules from '../../../macros/import-overleaf-module.macro'

const eModules = importOverleafModules('editorToolbarButtons')
const editorToolbarButtons = eModules.map(item => item.import.default)

export default App.controller('EditorToolbarController', ($scope, ide) => {
  const editorButtons = []

  for (const editorToolbarButton of editorToolbarButtons) {
    const button = editorToolbarButton.button($scope, ide)

    if (editorToolbarButton.source) {
      editorButtons.push(button)
    }
  }

  $scope.editorButtons = editorButtons
})