diff --git a/services/web/frontend/js/features/ide-react/create-ide-event-emitter.ts b/services/web/frontend/js/features/ide-react/create-ide-event-emitter.ts
index 4660a96bdf..8959e9f0dc 100644
--- a/services/web/frontend/js/features/ide-react/create-ide-event-emitter.ts
+++ b/services/web/frontend/js/features/ide-react/create-ide-event-emitter.ts
@@ -26,6 +26,7 @@ export type IdeEvents = {
   'scroll:editor:update': []
   'comment:start_adding': []
   'references:should-reindex': []
+  'history:toggle': []
 
   'entity:deleted': [entity: FileTreeFindResult]
 }
diff --git a/services/web/frontend/js/features/ide-react/scope-adapters/layout-context-adapter.ts b/services/web/frontend/js/features/ide-react/scope-adapters/layout-context-adapter.ts
index bbea6b814d..a608de63ed 100644
--- a/services/web/frontend/js/features/ide-react/scope-adapters/layout-context-adapter.ts
+++ b/services/web/frontend/js/features/ide-react/scope-adapters/layout-context-adapter.ts
@@ -5,10 +5,6 @@ const reviewPanelStorageKey = `ui.reviewPanelOpen.${getMeta('ol-project_id')}`
 
 export default function populateLayoutScope(store: ReactScopeValueStore) {
   store.set('ui.view', 'editor')
-
-  // TODO: Find out what this needs to do and make it do it
-  store.set('toggleHistory', () => {})
-
   store.set('openFile', null)
   store.persisted('ui.chatOpen', false, 'ui.chatOpen')
   store.persisted('ui.reviewPanelOpen', false, reviewPanelStorageKey)
diff --git a/services/web/frontend/js/ide.js b/services/web/frontend/js/ide.js
index 9c5199c128..c0b110a385 100644
--- a/services/web/frontend/js/ide.js
+++ b/services/web/frontend/js/ide.js
@@ -22,7 +22,6 @@ import LoadingManager from './ide/LoadingManager'
 import ConnectionManager from './ide/connection/ConnectionManager'
 import EditorManager from './ide/editor/EditorManager'
 import OnlineUsersManager from './ide/online-users/OnlineUsersManager'
-import HistoryV2Manager from './ide/history/HistoryV2Manager'
 import PermissionsManager from './ide/permissions/PermissionsManager'
 import BinaryFilesManager from './ide/binary-files/BinaryFilesManager'
 import ReferencesManager from './ide/references/ReferencesManager'
@@ -205,7 +204,6 @@ App.controller('IdeController', [
       eventTracking
     )
     ide.onlineUsersManager = new OnlineUsersManager(ide, $scope)
-    ide.historyManager = new HistoryV2Manager(ide, $scope, localStorage)
     ide.permissionsManager = new PermissionsManager(ide, $scope)
     ide.binaryFilesManager = new BinaryFilesManager(ide, $scope)
     ide.metadataManager = new MetadataManager(ide, $scope, metadata)
diff --git a/services/web/frontend/js/ide/history/HistoryV2Manager.js b/services/web/frontend/js/ide/history/HistoryV2Manager.js
deleted file mode 100644
index 9169f80776..0000000000
--- a/services/web/frontend/js/ide/history/HistoryV2Manager.js
+++ /dev/null
@@ -1,1006 +0,0 @@
-import _ from 'lodash'
-/* eslint-disable
-    camelcase,
-    max-len,
-    no-return-assign,
-    no-unused-vars,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS101: Remove unnecessary use of Array.from
- * DS102: Remove unnecessary code created because of implicit returns
- * DS103: Rewrite code to no longer use __guard__
- * DS205: Consider reworking code to avoid use of IIFEs
- * DS206: Consider reworking classes to avoid initClass
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import moment from 'moment'
-import ColorManager from '../colors/ColorManager'
-import displayNameForUser from './util/displayNameForUser'
-import HistoryViewModes from './util/HistoryViewModes'
-import './controllers/HistoryV2ListController'
-import './controllers/HistoryV2FileTreeController'
-import './controllers/HistoryV2ToolbarController'
-import './controllers/HistoryV2AddLabelModalController'
-import './controllers/HistoryV2DeleteLabelModalController'
-import './directives/infiniteScroll'
-import './directives/historyDraggableBoundary'
-import './directives/historyDroppableArea'
-import './components/historyEntriesList'
-import './components/historyEntry'
-import './components/historyLabelsList'
-import './components/historyLabel'
-import './components/historyFileTree'
-import './components/historyFileEntity'
-import { paywallPrompt } from '../../../../frontend/js/main/account-upgrade'
-import getMeta from '../../utils/meta'
-let HistoryManager
-
-export default HistoryManager = (function () {
-  HistoryManager = class HistoryManager {
-    static initClass() {
-      this.prototype.MAX_RECENT_UPDATES_TO_SELECT = 5
-      this.prototype.BATCH_SIZE = 10
-    }
-
-    constructor(ide, $scope, localStorage) {
-      this.labelCurrentVersion = this.labelCurrentVersion.bind(this)
-      this.deleteLabel = this.deleteLabel.bind(this)
-      this._addLabelLocally = this._addLabelLocally.bind(this)
-      this.ide = ide
-      this.$scope = $scope
-      this.localStorage = localStorage
-      this.$scope.HistoryViewModes = HistoryViewModes
-      this._localStorageViewModeProjKey = `history.userPrefs.viewMode.${$scope.project_id}`
-      this._localStorageShowOnlyLabelsProjKey = `history.userPrefs.showOnlyLabels.${$scope.project_id}`
-      this._previouslySelectedPathname = null
-      this._loadFileTreeRequestCanceller = null
-      this.hardReset()
-
-      this.$scope.toggleHistory = () => {
-        if (this.$scope.ui.view === 'history') {
-          this.hide()
-        } else {
-          this.show()
-          this._handleHistoryUIStateChange()
-        }
-        this.ide.$timeout(() => {
-          this.$scope.$broadcast('history:toggle')
-        }, 0)
-      }
-
-      this.$scope.isHistoryLoading = () => {
-        const selection = this.$scope.history.selection
-        return (
-          this.$scope.history.loadingFileTree ||
-          (this.$scope.history.viewMode === HistoryViewModes.POINT_IN_TIME &&
-            selection.file &&
-            selection.file.loading) ||
-          (this.$scope.history.viewMode === HistoryViewModes.COMPARE &&
-            selection.diff &&
-            selection.diff.loading)
-        )
-      }
-    }
-
-    show() {
-      this.$scope.ui.view = 'history'
-      this.hardReset()
-      if (this.$scope.history.showOnlyLabels) {
-        this.fetchNextBatchOfUpdates()
-      }
-    }
-
-    hide() {
-      this.$scope.ui.view = 'editor'
-    }
-
-    _getViewModeUserPref() {
-      return (
-        this.localStorage(this._localStorageViewModeProjKey) ||
-        HistoryViewModes.POINT_IN_TIME
-      )
-    }
-
-    _getShowOnlyLabelsUserPref() {
-      return this.localStorage(this._localStorageShowOnlyLabelsProjKey) || false
-    }
-
-    _setViewModeUserPref(viewModeUserPref) {
-      if (
-        viewModeUserPref === HistoryViewModes.POINT_IN_TIME ||
-        viewModeUserPref === HistoryViewModes.COMPARE
-      ) {
-        this.localStorage(this._localStorageViewModeProjKey, viewModeUserPref)
-      }
-    }
-
-    _setShowOnlyLabelsUserPref(showOnlyLabelsUserPref) {
-      this.localStorage(
-        this._localStorageShowOnlyLabelsProjKey,
-        !!showOnlyLabelsUserPref
-      )
-    }
-
-    hardReset() {
-      this.$scope.history = {
-        updates: [],
-        viewMode: this._getViewModeUserPref(),
-        nextBeforeTimestamp: null,
-        loading: false,
-        atEnd: false,
-        userHasFullFeature: undefined,
-        freeHistoryLimitHit: false,
-        selection: {
-          docs: {},
-          pathname: null,
-          range: {
-            fromV: null,
-            toV: null,
-          },
-          hoveredRange: {
-            fromV: null,
-            toV: null,
-          },
-          diff: null,
-          files: [],
-          file: null,
-        },
-        error: null,
-        showOnlyLabels: this._getShowOnlyLabelsUserPref(),
-        labels: null,
-        loadingFileTree: true,
-      }
-      const _deregisterFeatureWatcher = this.$scope.$watch(
-        'project.features.versioning',
-        hasVersioning => {
-          if (hasVersioning != null) {
-            this.$scope.history.userHasFullFeature = hasVersioning
-            if (this.$scope.user.isAdmin) {
-              this.$scope.history.userHasFullFeature = true
-            }
-            _deregisterFeatureWatcher()
-          }
-        }
-      )
-    }
-
-    softReset() {
-      this.$scope.history.viewMode = this._getViewModeUserPref()
-      this.$scope.history.selection = {
-        docs: {},
-        pathname: null,
-        range: {
-          fromV: null,
-          toV: null,
-        },
-        hoveredRange: {
-          fromV: null,
-          toV: null,
-        },
-        diff: null, // When history.viewMode == HistoryViewModes.COMPARE
-        files: [], // When history.viewMode == HistoryViewModes.COMPARE
-        file: null,
-      }
-      this.$scope.history.error = null
-      this.$scope.history.showOnlyLabels = this._getShowOnlyLabelsUserPref()
-    }
-
-    toggleHistoryViewMode() {
-      if (this.$scope.history.viewMode === HistoryViewModes.COMPARE) {
-        this.softReset()
-        this.$scope.history.viewMode = HistoryViewModes.POINT_IN_TIME
-        this._setViewModeUserPref(HistoryViewModes.POINT_IN_TIME)
-      } else {
-        this.softReset()
-        this.$scope.history.viewMode = HistoryViewModes.COMPARE
-        this._setViewModeUserPref(HistoryViewModes.COMPARE)
-      }
-      this._handleHistoryUIStateChange()
-      this.ide.$timeout(() => {
-        this.$scope.$broadcast('history:toggle')
-      }, 0)
-    }
-
-    _handleHistoryUIStateChange() {
-      if (this.$scope.history.viewMode === HistoryViewModes.COMPARE) {
-        if (this.$scope.history.showOnlyLabels) {
-          this.autoSelectLabelsForComparison()
-        } else {
-          this.autoSelectRecentUpdates()
-        }
-      } else {
-        // Point-in-time mode
-        if (this.$scope.history.showOnlyLabels) {
-          this.autoSelectLabelForPointInTime()
-        } else {
-          this.autoSelectVersionForPointInTime()
-        }
-      }
-    }
-
-    setHoverFrom(fromV) {
-      const selection = this.$scope.history.selection
-      selection.hoveredRange.fromV = fromV
-      selection.hoveredRange.toV = selection.range.toV
-      this.$scope.history.hoveringOverListSelectors = true
-    }
-
-    setHoverTo(toV) {
-      const selection = this.$scope.history.selection
-      selection.hoveredRange.toV = toV
-      selection.hoveredRange.fromV = selection.range.fromV
-      this.$scope.history.hoveringOverListSelectors = true
-    }
-
-    resetHover() {
-      const selection = this.$scope.history.selection
-      selection.hoveredRange.toV = null
-      selection.hoveredRange.fromV = null
-      this.$scope.history.hoveringOverListSelectors = false
-    }
-
-    showAllUpdates() {
-      if (this.$scope.history.showOnlyLabels) {
-        this.$scope.history.showOnlyLabels = false
-        this._setShowOnlyLabelsUserPref(false)
-        this._handleHistoryUIStateChange()
-      }
-    }
-
-    showOnlyLabels() {
-      if (!this.$scope.history.showOnlyLabels) {
-        this.$scope.history.showOnlyLabels = true
-        this._setShowOnlyLabelsUserPref(true)
-        this._handleHistoryUIStateChange()
-      }
-    }
-
-    restoreFile(version, pathname) {
-      const url = `/project/${this.$scope.project_id}/restore_file`
-
-      return this.ide.$http.post(url, {
-        version,
-        pathname,
-        _csrf: window.csrfToken,
-      })
-    }
-
-    loadFileTreeForVersion(version) {
-      return this._loadFileTree(version, version)
-    }
-
-    loadFileTreeDiff(toV, fromV) {
-      return this._loadFileTree(toV, fromV)
-    }
-
-    _loadFileTree(toV, fromV) {
-      let url = `/project/${this.$scope.project_id}/filetree/diff`
-      const selection = this.$scope.history.selection
-      const query = [`from=${fromV}`, `to=${toV}`]
-      url += `?${query.join('&')}`
-
-      this.$scope.$applyAsync(
-        () => (this.$scope.history.loadingFileTree = true)
-      )
-
-      selection.file = null
-      selection.pathname = null
-
-      // If `this._loadFileTreeRequestCanceller` is not null, then we have a request inflight
-      if (this._loadFileTreeRequestCanceller != null) {
-        // Resolving it will cancel the inflight request (or, rather, ignore its result)
-        this._loadFileTreeRequestCanceller.resolve()
-      }
-      this._loadFileTreeRequestCanceller = this.ide.$q.defer()
-
-      return this.ide.$http
-        .get(url, { timeout: this._loadFileTreeRequestCanceller.promise })
-        .then(response => {
-          this.$scope.history.selection.files = response.data.diff
-          for (const file of this.$scope.history.selection.files) {
-            if (file.newPathname != null) {
-              file.oldPathname = file.pathname
-              file.pathname = file.newPathname
-              delete file.newPathname
-            }
-          }
-          this._loadFileTreeRequestCanceller = null
-          this.$scope.history.loadingFileTree = false
-          this.autoSelectFile()
-        })
-        .catch(err => {
-          if (err.status !== -1) {
-            this._loadFileTreeRequestCanceller = null
-          } else {
-            this.$scope.history.loadingFileTree = false
-          }
-        })
-    }
-
-    selectFile(file) {
-      if (file != null && file.pathname != null) {
-        this.$scope.history.selection.pathname =
-          this._previouslySelectedPathname = file.pathname
-        this.$scope.history.selection.file = file
-        if (this.$scope.history.viewMode === HistoryViewModes.POINT_IN_TIME) {
-          this.loadFileAtPointInTime()
-        } else {
-          this.reloadDiff()
-        }
-      }
-    }
-
-    autoSelectFile() {
-      const selectedPathname = null
-      const files = this.$scope.history.selection.files
-      let fileToSelect = null
-      let previouslySelectedFile = null
-      let previouslySelectedFileHasOp = false
-      const filesWithOps = this._getFilesWithOps()
-      const orderedOpTypes = ['edited', 'added', 'renamed', 'removed']
-
-      if (this._previouslySelectedPathname != null) {
-        previouslySelectedFile = _.find(files, {
-          pathname: this._previouslySelectedPathname,
-        })
-        previouslySelectedFileHasOp = _.some(filesWithOps, {
-          pathname: this._previouslySelectedPathname,
-        })
-      }
-      if (previouslySelectedFile != null && previouslySelectedFileHasOp) {
-        fileToSelect = previouslySelectedFile
-      } else {
-        for (const opType of orderedOpTypes) {
-          const fileWithMatchingOpType = _.find(filesWithOps, {
-            operation: opType,
-          })
-          if (fileWithMatchingOpType != null) {
-            fileToSelect = _.find(files, {
-              pathname: fileWithMatchingOpType.pathname,
-            })
-            break
-          }
-        }
-        if (fileToSelect == null) {
-          if (previouslySelectedFile != null) {
-            fileToSelect = previouslySelectedFile
-          } else {
-            const mainFile = _.find(files, function (file) {
-              return /main\.tex$/.test(file.pathname)
-            })
-            if (mainFile != null) {
-              fileToSelect = mainFile
-            } else {
-              const anyTeXFile = _.find(files, function (file) {
-                return /\.tex$/.test(file.pathname)
-              })
-              if (anyTeXFile != null) {
-                fileToSelect = anyTeXFile
-              } else {
-                fileToSelect = files[0]
-              }
-            }
-          }
-        }
-      }
-
-      this.selectFile(fileToSelect)
-    }
-
-    _getFilesWithOps() {
-      let filesWithOps
-      if (this.$scope.history.viewMode === HistoryViewModes.POINT_IN_TIME) {
-        const currentUpdate = this.getUpdateForVersion(
-          this.$scope.history.selection.range.toV
-        )
-        filesWithOps = []
-        if (currentUpdate != null) {
-          for (const pathname of currentUpdate.pathnames) {
-            filesWithOps.push({
-              pathname,
-              operation: 'edited',
-            })
-          }
-          for (const op of currentUpdate.project_ops) {
-            let fileWithOp
-            if (op.add != null) {
-              fileWithOp = {
-                pathname: op.add.pathname,
-                operation: 'added',
-              }
-            } else if (op.remove != null) {
-              fileWithOp = {
-                pathname: op.remove.pathname,
-                operation: 'removed',
-              }
-            } else if (op.rename != null) {
-              fileWithOp = {
-                pathname: op.rename.newPathname,
-                operation: 'renamed',
-              }
-            }
-            if (fileWithOp != null) {
-              filesWithOps.push(fileWithOp)
-            }
-          }
-        }
-      } else {
-        filesWithOps = _.reduce(
-          this.$scope.history.selection.files,
-          (curFilesWithOps, file) => {
-            if (file.operation) {
-              curFilesWithOps.push({
-                pathname: file.pathname,
-                operation: file.operation,
-              })
-            }
-            return curFilesWithOps
-          },
-          []
-        )
-      }
-      return filesWithOps
-    }
-
-    autoSelectRecentUpdates() {
-      if (this.$scope.history.updates.length === 0) {
-        return
-      }
-
-      const toV = this.$scope.history.updates[0].toV
-      let fromV = null
-
-      let indexOfLastUpdateNotByMe = 0
-      for (let i = 0; i < this.$scope.history.updates.length; i++) {
-        const update = this.$scope.history.updates[i]
-        if (
-          this._updateContainsUserId(update, this.$scope.user.id) ||
-          i > this.MAX_RECENT_UPDATES_TO_SELECT
-        ) {
-          break
-        }
-        indexOfLastUpdateNotByMe = i
-      }
-
-      fromV = this.$scope.history.updates[indexOfLastUpdateNotByMe].fromV
-      this.selectVersionsForCompare(toV, fromV)
-    }
-
-    autoSelectVersionForPointInTime() {
-      if (this.$scope.history.updates.length === 0) {
-        return
-      }
-      let versionToSelect = this.$scope.history.updates[0].toV
-      const range = this.$scope.history.selection.range
-      if (
-        range.toV != null &&
-        range.fromV != null &&
-        range.toV === range.fromV
-      ) {
-        versionToSelect = range.toV
-      }
-      this.selectVersionForPointInTime(versionToSelect)
-    }
-
-    autoSelectLastLabel() {
-      if (
-        this.$scope.history.labels == null ||
-        this.$scope.history.labels.length === 0
-      ) {
-        return
-      }
-      return this.selectLabelForPointInTime(this.$scope.history.labels[0])
-    }
-
-    expandSelectionToVersion(version) {
-      if (version > this.$scope.history.selection.range.toV) {
-        this.$scope.history.selection.range.toV = version
-      } else if (version < this.$scope.history.selection.range.fromV) {
-        this.$scope.history.selection.range.fromV = version
-      }
-    }
-
-    selectVersionForPointInTime(version) {
-      const selection = this.$scope.history.selection
-      if (
-        selection.range.toV !== version &&
-        selection.range.fromV !== version
-      ) {
-        selection.range.toV = version
-        selection.range.fromV = version
-        this.loadFileTreeForVersion(version)
-      }
-    }
-
-    selectVersionsForCompare(toV, fromV) {
-      const range = this.$scope.history.selection.range
-      if (range.toV !== toV || range.fromV !== fromV) {
-        range.toV = toV
-        range.fromV = fromV
-        this.loadFileTreeDiff(toV, fromV)
-      }
-    }
-
-    autoSelectLabelForPointInTime() {
-      const selectedUpdate = this.getUpdateForVersion(
-        this.$scope.history.selection.range.toV
-      )
-      let nSelectedLabels = 0
-
-      if (selectedUpdate != null && selectedUpdate.labels != null) {
-        nSelectedLabels = selectedUpdate.labels.length
-      }
-
-      // If the currently selected update has no labels, select the last one (version-wise)
-      if (nSelectedLabels === 0) {
-        this.autoSelectLastLabel()
-        // If the update has one label, select it
-      } else if (nSelectedLabels === 1) {
-        this.selectLabelForPointInTime(selectedUpdate.labels[0])
-        // If there are multiple labels for the update, select the latest
-      } else if (nSelectedLabels > 1) {
-        const sortedLabels = this.ide.$filter('orderBy')(
-          selectedUpdate.labels,
-          '-created_at'
-        )
-        const lastLabelFromUpdate = sortedLabels[0]
-        this.selectLabelForPointInTime(lastLabelFromUpdate)
-      }
-    }
-
-    selectLabelForPointInTime(labelToSelect) {
-      let updateToSelect = null
-
-      if (this._isLabelSelected(labelToSelect)) {
-        // Label already selected
-        return
-      }
-
-      for (const update of Array.from(this.$scope.history.updates)) {
-        if (update.toV === labelToSelect.version) {
-          updateToSelect = update
-          break
-        }
-      }
-
-      if (updateToSelect != null) {
-        this.selectVersionForPointInTime(updateToSelect.toV)
-      } else {
-        const selection = this.$scope.history.selection
-        selection.range.toV = labelToSelect.version
-        selection.range.fromV = labelToSelect.version
-        this.loadFileTreeForVersion(labelToSelect.version)
-      }
-    }
-
-    getUpdateForVersion(version) {
-      for (const update of this.$scope.history.updates) {
-        if (update.toV === version) {
-          return update
-        }
-      }
-    }
-
-    autoSelectLabelsForComparison() {
-      const labels = this.$scope.history.labels
-      let nLabels = 0
-      if (Array.isArray(labels)) {
-        nLabels = labels.length
-      }
-      if (nLabels === 0) {
-        // TODO better handling
-      } else if (nLabels === 1) {
-        this.selectVersionsForCompare(labels[0].version, labels[0].version)
-      } else if (nLabels > 1) {
-        this.selectVersionsForCompare(labels[0].version, labels[1].version)
-      }
-    }
-
-    fetchNextBatchOfUpdates() {
-      if (this.$scope.history.atEnd) {
-        return
-      }
-
-      let updatesURL = `/project/${this.ide.project_id}/updates?min_count=${this.BATCH_SIZE}`
-      if (this.$scope.history.nextBeforeTimestamp != null) {
-        updatesURL += `&before=${this.$scope.history.nextBeforeTimestamp}`
-      }
-      const labelsURL = `/project/${this.ide.project_id}/labels`
-
-      const requests = { updates: this.ide.$http.get(updatesURL) }
-
-      if (this.$scope.history.labels == null) {
-        requests.labels = this.ide.$http.get(labelsURL)
-      }
-
-      this.$scope.history.loading = true
-      return this.ide.$q
-        .all(requests)
-        .then(response => {
-          this.$scope.history.loading = false
-          const updatesData = response.updates.data
-          let lastUpdateToV = null
-
-          if (updatesData.updates.length > 0) {
-            lastUpdateToV = updatesData.updates[0].toV
-          }
-          if (response.labels != null) {
-            this.$scope.history.labels = this._loadLabels(
-              response.labels.data,
-              lastUpdateToV
-            )
-          }
-          this._loadUpdates(updatesData.updates)
-          this.$scope.history.nextBeforeTimestamp =
-            updatesData.nextBeforeTimestamp
-          if (
-            updatesData.nextBeforeTimestamp == null ||
-            this.$scope.history.freeHistoryLimitHit ||
-            this.$scope.history.updates.length === 0
-          ) {
-            this.$scope.history.atEnd = true
-          }
-          if (this.$scope.history.updates.length === 0) {
-            this.$scope.history.loadingFileTree = false
-          }
-        })
-        .catch(error => {
-          this.$scope.history.loading = false
-          const { status, statusText } = error
-          this.$scope.history.error = { status, statusText }
-          this.$scope.history.atEnd = true
-          this.$scope.history.loadingFileTree = false
-        })
-    }
-
-    _loadLabels(labels, lastUpdateToV) {
-      const sortedLabels = this._sortLabelsByVersionAndDate(labels)
-      const labelsWithoutPseudoLabel =
-        this._deletePseudoCurrentStateLabelIfExistent(sortedLabels)
-      const labelsWithPseudoLabelIfNeeded =
-        this._addPseudoCurrentStateLabelIfNeeded(
-          labelsWithoutPseudoLabel,
-          lastUpdateToV
-        )
-      return labelsWithPseudoLabelIfNeeded
-    }
-
-    _deletePseudoCurrentStateLabelIfExistent(labels) {
-      if (labels.length && labels[0].isPseudoCurrentStateLabel) {
-        labels.shift()
-      }
-      return labels
-    }
-
-    _addPseudoCurrentStateLabelIfNeeded(labels, mostRecentVersion) {
-      if (
-        (labels.length && labels[0].version !== mostRecentVersion) ||
-        labels.length === 0
-      ) {
-        const pseudoCurrentStateLabel = {
-          id: '1',
-          isPseudoCurrentStateLabel: true,
-          version: mostRecentVersion,
-          created_at: new Date().toISOString(),
-        }
-        labels.unshift(pseudoCurrentStateLabel)
-      }
-      return labels
-    }
-
-    _sortLabelsByVersionAndDate(labels) {
-      return this.ide.$filter('orderBy')(labels, [
-        'isPseudoCurrentStateLabel',
-        '-version',
-        '-created_at',
-      ])
-    }
-
-    loadFileAtPointInTime() {
-      const toV = this.$scope.history.selection.range.toV
-      const { pathname } = this.$scope.history.selection
-      if (toV == null) {
-        return
-      }
-      let url = `/project/${this.$scope.project_id}/diff`
-      const query = [
-        `pathname=${encodeURIComponent(pathname)}`,
-        `from=${toV}`,
-        `to=${toV}`,
-      ]
-      url += `?${query.join('&')}`
-      this.$scope.history.selection.file.loading = true
-      return this.ide.$http
-        .get(url)
-        .then(response => {
-          const { text, binary } = this._parseDiff(response.data.diff)
-          this.$scope.history.selection.file.binary = binary
-          this.$scope.history.selection.file.text = text
-          this.$scope.history.selection.file.loading = false
-        })
-        .catch(function () {})
-    }
-
-    reloadDiff() {
-      let { diff } = this.$scope.history.selection
-      const { range, pathname } = this.$scope.history.selection
-      const { fromV, toV } = range
-
-      if (pathname == null) {
-        this.$scope.history.selection.diff = null
-        return
-      }
-
-      if (
-        diff != null &&
-        diff.pathname === pathname &&
-        diff.fromV === fromV &&
-        diff.toV === toV
-      ) {
-        return
-      }
-
-      this.$scope.history.selection.diff = diff = {
-        fromV,
-        toV,
-        pathname,
-        error: false,
-      }
-
-      diff.loading = true
-      let url = `/project/${this.$scope.project_id}/diff`
-      const query = [`pathname=${encodeURIComponent(pathname)}`]
-      if (diff.fromV != null && diff.toV != null) {
-        query.push(`from=${diff.fromV}`, `to=${diff.toV}`)
-      }
-      url += `?${query.join('&')}`
-      return this.ide.$http
-        .get(url)
-        .then(response => {
-          const { data } = response
-          diff.loading = false
-          const { text, highlights, binary } = this._parseDiff(data.diff)
-          diff.binary = binary
-          diff.text = text
-          diff.highlights = highlights
-        })
-        .catch(function () {
-          diff.loading = false
-          diff.error = true
-        })
-    }
-
-    labelCurrentVersion(labelComment) {
-      return this._labelVersion(
-        labelComment,
-        this.$scope.history.selection.range.toV
-      )
-    }
-
-    deleteLabel(label) {
-      const url = `/project/${this.$scope.project_id}/labels/${label.id}`
-
-      return this.ide
-        .$http({
-          url,
-          method: 'DELETE',
-          headers: {
-            'X-CSRF-Token': window.csrfToken,
-          },
-        })
-        .then(response => {
-          return this._deleteLabelLocally(label)
-        })
-    }
-
-    _deleteLabelLocally(labelToDelete) {
-      for (let i = 0; i < this.$scope.history.updates.length; i++) {
-        const update = this.$scope.history.updates[i]
-        if (update.toV === labelToDelete.version) {
-          update.labels = _.filter(
-            update.labels,
-            label => label.id !== labelToDelete.id
-          )
-          break
-        }
-      }
-      this.$scope.history.labels = this._loadLabels(
-        _.filter(
-          this.$scope.history.labels,
-          label => label.id !== labelToDelete.id
-        ),
-        this.$scope.history.updates[0].toV
-      )
-      this._handleHistoryUIStateChange()
-    }
-
-    _isLabelSelected(label) {
-      if (label) {
-        return (
-          label.version <= this.$scope.history.selection.range.toV &&
-          label.version >= this.$scope.history.selection.range.fromV
-        )
-      } else {
-        return false
-      }
-    }
-
-    _parseDiff(diff) {
-      if (diff.binary) {
-        return { binary: true }
-      }
-      let row = 0
-      let column = 0
-      const highlights = []
-      let text = ''
-      const iterable = diff || []
-      for (let i = 0; i < iterable.length; i++) {
-        let endColumn, endRow
-        const entry = iterable[i]
-        let content = entry.u || entry.i || entry.d
-        if (!content) {
-          content = ''
-        }
-        text += content
-        const lines = content.split('\n')
-        const startRow = row
-        const startColumn = column
-        if (lines.length > 1) {
-          endRow = startRow + lines.length - 1
-          endColumn = lines[lines.length - 1].length
-        } else {
-          endRow = startRow
-          endColumn = startColumn + lines[0].length
-        }
-        row = endRow
-        column = endColumn
-
-        const range = {
-          start: {
-            row: startRow,
-            column: startColumn,
-          },
-          end: {
-            row: endRow,
-            column: endColumn,
-          },
-        }
-
-        if (entry.i != null || entry.d != null) {
-          const user =
-            entry.meta.users != null ? entry.meta.users[0] : undefined
-          const name = displayNameForUser(user)
-          const date = moment(entry.meta.end_ts).format('Do MMM YYYY, h:mm a')
-          if (entry.i != null) {
-            highlights.push({
-              label: `Added by ${name} on ${date}`,
-              highlight: range,
-              hue: ColorManager.getHueForUserId(
-                user != null ? user.id : undefined
-              ),
-            })
-          } else if (entry.d != null) {
-            highlights.push({
-              label: `Deleted by ${name} on ${date}`,
-              strikeThrough: range,
-              hue: ColorManager.getHueForUserId(
-                user != null ? user.id : undefined
-              ),
-            })
-          }
-        }
-      }
-
-      return { text, highlights }
-    }
-
-    _loadUpdates(updates) {
-      if (updates == null) {
-        updates = []
-      }
-      let previousUpdate =
-        this.$scope.history.updates[this.$scope.history.updates.length - 1]
-      const dateTimeNow = new Date()
-      const timestamp24hoursAgo = dateTimeNow.setDate(dateTimeNow.getDate() - 1)
-      let cutOffIndex = null
-
-      const iterable = updates || []
-      for (let i = 0; i < iterable.length; i++) {
-        const update = iterable[i]
-        for (const user of Array.from(update.meta.users || [])) {
-          if (user != null) {
-            user.hue = ColorManager.getHueForUserId(user.id)
-          }
-        }
-        if (
-          previousUpdate == null ||
-          !moment(previousUpdate.meta.end_ts).isSame(update.meta.end_ts, 'day')
-        ) {
-          update.meta.first_in_day = true
-        }
-
-        previousUpdate = update
-
-        if (
-          !this.$scope.history.userHasFullFeature &&
-          update.meta.end_ts < timestamp24hoursAgo
-        ) {
-          cutOffIndex = i || 1 // Make sure that we show at least one entry (to allow labelling).
-          this.$scope.history.freeHistoryLimitHit = true
-          if (this.$scope.project.owner._id === this.$scope.user.id) {
-            ga(
-              'send',
-              'event',
-              'subscription-funnel',
-              'editor-click-feature',
-              'history'
-            )
-            paywallPrompt('history')
-          }
-          break
-        }
-      }
-
-      const firstLoad = this.$scope.history.updates.length === 0
-
-      if (!this.$scope.history.userHasFullFeature && cutOffIndex != null) {
-        updates = updates.slice(0, cutOffIndex)
-      }
-
-      this.$scope.history.updates = this.$scope.history.updates.concat(updates)
-
-      if (firstLoad) {
-        this._handleHistoryUIStateChange()
-      }
-    }
-
-    _labelVersion(comment, version) {
-      const url = `/project/${this.$scope.project_id}/labels`
-      return this.ide.$http
-        .post(url, {
-          comment,
-          version,
-          _csrf: window.csrfToken,
-        })
-        .then(response => {
-          return this._addLabelLocally(response.data)
-        })
-    }
-
-    _addLabelLocally(label) {
-      const localUpdate = _.find(
-        this.$scope.history.updates,
-        update => update.toV === label.version
-      )
-      if (localUpdate != null) {
-        localUpdate.labels = localUpdate.labels.concat(label)
-      }
-      this.$scope.history.labels = this._loadLabels(
-        this.$scope.history.labels.concat(label),
-        this.$scope.history.updates[0].toV
-      )
-      this._handleHistoryUIStateChange()
-    }
-
-    _updateContainsUserId(update, user_id) {
-      for (const user of Array.from(update.meta.users)) {
-        if ((user != null ? user.id : undefined) === user_id) {
-          return true
-        }
-      }
-      return false
-    }
-  }
-  HistoryManager.initClass()
-  return HistoryManager
-})()
-
-function __guard__(value, transform) {
-  return typeof value !== 'undefined' && value !== null
-    ? transform(value)
-    : undefined
-}
diff --git a/services/web/frontend/js/ide/history/components/historyEntriesList.js b/services/web/frontend/js/ide/history/components/historyEntriesList.js
deleted file mode 100644
index ab158ff4d3..0000000000
--- a/services/web/frontend/js/ide/history/components/historyEntriesList.js
+++ /dev/null
@@ -1,138 +0,0 @@
-/* eslint-disable
-    max-len,
-    no-return-assign,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-const historyEntriesListController = function ($scope, $element) {
-  const ctrl = this
-  ctrl.$entryListViewportEl = null
-  ctrl.isDragging = false
-
-  const _isEntryElVisible = function ($entryEl) {
-    const entryElTop = $entryEl.offset().top
-    const entryElBottom = entryElTop + $entryEl.outerHeight()
-    const entryListViewportElTop = ctrl.$entryListViewportEl.offset().top
-    const entryListViewportElBottom =
-      entryListViewportElTop + ctrl.$entryListViewportEl.height()
-
-    return (
-      entryElTop >= entryListViewportElTop &&
-      entryElBottom <= entryListViewportElBottom
-    )
-  }
-  const _getScrollTopPosForEntry = function ($entryEl) {
-    const halfViewportElHeight = ctrl.$entryListViewportEl.height() / 2
-    return $entryEl.offset().top - halfViewportElHeight
-  }
-  ctrl.onEntryLinked = function (entry, $entryEl) {
-    if (
-      !ctrl.rangeSelectionEnabled &&
-      entry.toV === ctrl.selectedHistoryVersion
-    ) {
-      $scope.$applyAsync(() => {
-        if (!_isEntryElVisible($entryEl)) {
-          ctrl.$entryListViewportEl.scrollTop(
-            _getScrollTopPosForEntry($entryEl)
-          )
-        }
-      })
-    }
-  }
-  ctrl.handleEntrySelect = entry => {
-    if (ctrl.rangeSelectionEnabled) {
-      ctrl.onRangeSelect({
-        selectedToV: entry.toV,
-        selectedFromV: entry.fromV,
-      })
-    } else {
-      ctrl.onVersionSelect({ version: entry.toV })
-    }
-  }
-  ctrl.setRangeToV = toV => {
-    if (toV > ctrl.selectedHistoryRange.fromV) {
-      ctrl.onRangeSelect({
-        selectedToV: toV,
-        selectedFromV: ctrl.selectedHistoryRange.fromV,
-      })
-    }
-  }
-  ctrl.setRangeFromV = fromV => {
-    if (fromV < ctrl.selectedHistoryRange.toV) {
-      ctrl.onRangeSelect({
-        selectedToV: ctrl.selectedHistoryRange.toV,
-        selectedFromV: fromV,
-      })
-    }
-  }
-  ctrl.initHoveredRange = () => {
-    ctrl.hoveredHistoryRange = {
-      toV: ctrl.selectedHistoryRange.toV,
-      fromV: ctrl.selectedHistoryRange.fromV,
-    }
-  }
-  ctrl.resetHoveredRange = () => {
-    ctrl.hoveredHistoryRange = { toV: null, fromV: null }
-  }
-  ctrl.setHoveredRangeToV = toV => {
-    if (toV > ctrl.hoveredHistoryRange.fromV) {
-      $scope.$applyAsync(() => (ctrl.hoveredHistoryRange.toV = toV))
-    }
-  }
-  ctrl.setHoveredRangeFromV = fromV => {
-    if (fromV < ctrl.hoveredHistoryRange.toV) {
-      $scope.$applyAsync(() => (ctrl.hoveredHistoryRange.fromV = fromV))
-    }
-  }
-  ctrl.onDraggingStart = () => {
-    $scope.$applyAsync(() => {
-      ctrl.isDragging = true
-      ctrl.initHoveredRange()
-    })
-  }
-  ctrl.onDraggingStop = (isValidDrop, boundary) => {
-    $scope.$applyAsync(() => {
-      ctrl.isDragging = false
-      if (!isValidDrop) {
-        if (boundary === 'toV') {
-          ctrl.setRangeToV(ctrl.hoveredHistoryRange.toV)
-        } else if (boundary === 'fromV') {
-          ctrl.setRangeFromV(ctrl.hoveredHistoryRange.fromV)
-        }
-      }
-      ctrl.resetHoveredRange()
-    })
-  }
-  ctrl.$onInit = () => {
-    ctrl.$entryListViewportEl = $element.find('> .history-entries')
-    ctrl.resetHoveredRange()
-  }
-}
-
-export default App.component('historyEntriesList', {
-  bindings: {
-    entries: '<',
-    users: '<',
-    loadEntries: '&',
-    loadDisabled: '<',
-    loadInitialize: '<',
-    isLoading: '<',
-    currentUser: '<',
-    freeHistoryLimitHit: '<',
-    currentUserIsOwner: '<',
-    rangeSelectionEnabled: '<',
-    selectedHistoryVersion: '<?',
-    selectedHistoryRange: '<?',
-    onVersionSelect: '&',
-    onRangeSelect: '&',
-    onLabelDelete: '&',
-  },
-  controller: ['$scope', '$element', historyEntriesListController],
-  templateUrl: 'historyEntriesListTpl',
-})
diff --git a/services/web/frontend/js/ide/history/components/historyEntry.js b/services/web/frontend/js/ide/history/components/historyEntry.js
deleted file mode 100644
index 645868f290..0000000000
--- a/services/web/frontend/js/ide/history/components/historyEntry.js
+++ /dev/null
@@ -1,125 +0,0 @@
-import _ from 'lodash'
-/* eslint-disable
-    max-len,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-import ColorManager from '../../colors/ColorManager'
-import displayNameForUser from '../util/displayNameForUser'
-const historyEntryController = function ($scope, $element) {
-  const ctrl = this
-  // This method (and maybe the one below) will be removed soon. User details data will be
-  // injected into the history API responses, so we won't need to fetch user data from other
-  // local data structures.
-  const _getUserById = id =>
-    _.find(ctrl.users, function (user) {
-      const curUserId =
-        (user != null ? user._id : undefined) ||
-        (user != null ? user.id : undefined)
-      return curUserId === id
-    })
-  ctrl.displayName = displayNameForUser
-  ctrl.displayNameById = id => displayNameForUser(_getUserById(id))
-  ctrl.getProjectOpDoc = function (projectOp) {
-    if (projectOp.rename != null) {
-      return `${projectOp.rename.pathname} → ${projectOp.rename.newPathname}`
-    } else if (projectOp.add != null) {
-      return `${projectOp.add.pathname}`
-    } else if (projectOp.remove != null) {
-      return `${projectOp.remove.pathname}`
-    }
-  }
-  ctrl.getUserCSSStyle = function (user) {
-    const curUserId =
-      (user != null ? user._id : undefined) ||
-      (user != null ? user.id : undefined)
-    const hue = ColorManager.getHueForUserId(curUserId) || 100
-    if (ctrl.isEntrySelected() || ctrl.isEntryHoverSelected()) {
-      return { color: '#FFF' }
-    } else {
-      return { color: `hsl(${hue}, 70%, 50%)` }
-    }
-  }
-  ctrl.isEntrySelected = function () {
-    if (ctrl.rangeSelectionEnabled) {
-      return (
-        ctrl.entry.toV <= ctrl.selectedHistoryRange.toV &&
-        ctrl.entry.fromV >= ctrl.selectedHistoryRange.fromV
-      )
-    } else {
-      return ctrl.entry.toV === ctrl.selectedHistoryVersion
-    }
-  }
-
-  ctrl.isEntryHoverSelected = function () {
-    return (
-      ctrl.rangeSelectionEnabled &&
-      ctrl.entry.toV <= ctrl.hoveredHistoryRange.toV &&
-      ctrl.entry.fromV >= ctrl.hoveredHistoryRange.fromV
-    )
-  }
-
-  ctrl.onDraggingStart = () => {
-    ctrl.historyEntriesList.onDraggingStart()
-  }
-  ctrl.onDraggingStop = (isValidDrop, boundary) =>
-    ctrl.historyEntriesList.onDraggingStop(isValidDrop, boundary)
-
-  ctrl.onDrop = boundary => {
-    if (boundary === 'toV') {
-      $scope.$applyAsync(() =>
-        ctrl.historyEntriesList.setRangeToV(ctrl.entry.toV)
-      )
-    } else if (boundary === 'fromV') {
-      $scope.$applyAsync(() =>
-        ctrl.historyEntriesList.setRangeFromV(ctrl.entry.fromV)
-      )
-    }
-  }
-  ctrl.onOver = boundary => {
-    if (boundary === 'toV') {
-      $scope.$applyAsync(() =>
-        ctrl.historyEntriesList.setHoveredRangeToV(ctrl.entry.toV)
-      )
-    } else if (boundary === 'fromV') {
-      $scope.$applyAsync(() =>
-        ctrl.historyEntriesList.setHoveredRangeFromV(ctrl.entry.fromV)
-      )
-    }
-  }
-
-  ctrl.$onInit = () => {
-    ctrl.$entryEl = $element.find('> .history-entry')
-    ctrl.$entryDetailsEl = $element.find('.history-entry-details')
-    ctrl.$toVHandleEl = $element.find('.history-entry-toV-handle')
-    ctrl.$fromVHandleEl = $element.find('.history-entry-fromV-handle')
-    ctrl.historyEntriesList.onEntryLinked(ctrl.entry, ctrl.$entryEl)
-  }
-}
-
-export default App.component('historyEntry', {
-  bindings: {
-    entry: '<',
-    currentUser: '<',
-    users: '<',
-    rangeSelectionEnabled: '<',
-    isDragging: '<',
-    selectedHistoryVersion: '<?',
-    selectedHistoryRange: '<?',
-    hoveredHistoryRange: '<?',
-    onSelect: '&',
-    onLabelDelete: '&',
-  },
-  require: {
-    historyEntriesList: '^historyEntriesList',
-  },
-  controller: ['$scope', '$element', historyEntryController],
-  templateUrl: 'historyEntryTpl',
-})
diff --git a/services/web/frontend/js/ide/history/components/historyFileEntity.js b/services/web/frontend/js/ide/history/components/historyFileEntity.js
deleted file mode 100644
index b1d44ac975..0000000000
--- a/services/web/frontend/js/ide/history/components/historyFileEntity.js
+++ /dev/null
@@ -1,104 +0,0 @@
-/* eslint-disable
-    max-len,
-    no-return-assign,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-import iconTypeFromName from '../../file-tree/util/iconTypeFromName'
-import fileOperationI18nNames from '../../file-tree/util/fileOperationI18nNames'
-const historyFileEntityController = function ($scope) {
-  const ctrl = this
-  ctrl.hasOperation = false
-  ctrl.getRenameTooltip = i18nRenamedStr => {
-    const [simplifiedOldPathname, simplifiedPathname] = _getSimplifiedPaths(
-      ctrl.fileEntity.oldPathname,
-      ctrl.fileEntity.pathname
-    )
-    return `${fileOperationI18nNames.renamed} <strong>${simplifiedOldPathname}</strong> &rarr; <strong>${simplifiedPathname}</strong>`
-  }
-  ctrl.getFileOperationName = () => {
-    if (ctrl.fileEntity.operation === 'edited') {
-      return fileOperationI18nNames.edited
-    } else if (ctrl.fileEntity.operation === 'renamed') {
-      return fileOperationI18nNames.renamed
-    } else if (ctrl.fileEntity.operation === 'added') {
-      return fileOperationI18nNames.created
-    } else if (ctrl.fileEntity.operation === 'removed') {
-      return fileOperationI18nNames.deleted
-    } else {
-      return ''
-    }
-  }
-
-  const _getSimplifiedPaths = (path1, path2) => {
-    const path1Parts = path1.split('/')
-    const path2Parts = path2.split('/')
-    const maxIterations = Math.min(path1Parts.length, path2Parts.length) - 1
-    let commonPartIndex
-    for (
-      commonPartIndex = 0;
-      commonPartIndex < maxIterations;
-      commonPartIndex++
-    ) {
-      if (path1Parts[commonPartIndex] !== path2Parts[commonPartIndex]) {
-        break
-      }
-    }
-    path1Parts.splice(0, commonPartIndex)
-    path2Parts.splice(0, commonPartIndex)
-    return [path1Parts.join('/'), path2Parts.join('/')]
-  }
-
-  const _handleFolderClick = function () {
-    ctrl.isOpen = !ctrl.isOpen
-    ctrl.entityTypeIconClass = _getFolderIcon()
-  }
-
-  const _handleFileClick = () =>
-    ctrl.historyFileTreeController.handleEntityClick(ctrl.fileEntity)
-  function _getFolderIcon() {
-    if (ctrl.isOpen) {
-      return 'fa-folder-open'
-    } else {
-      return 'fa-folder'
-    }
-  }
-  ctrl.$onInit = function () {
-    if (ctrl.fileEntity.type === 'folder') {
-      ctrl.isOpen = true
-      ctrl.entityTypeIconClass = _getFolderIcon()
-      ctrl.handleClick = _handleFolderClick
-    } else {
-      if (ctrl.fileEntity.operation) {
-        ctrl.hasOperation = true
-      }
-      ctrl.entityTypeIconClass = `fa-${iconTypeFromName(ctrl.fileEntity.name)}`
-      ctrl.entityOpTextClass = ctrl.fileEntity.operation
-        ? `history-file-entity-name-${ctrl.fileEntity.operation}`
-        : null
-      ctrl.handleClick = _handleFileClick
-      $scope.$watch(
-        () => ctrl.historyFileTreeController.selectedPathname,
-        selectedPathname =>
-          (ctrl.isSelected = ctrl.fileEntity.pathname === selectedPathname)
-      )
-    }
-  }
-}
-
-export default App.component('historyFileEntity', {
-  require: {
-    historyFileTreeController: '^historyFileTree',
-  },
-  bindings: {
-    fileEntity: '<',
-  },
-  controller: ['$scope', historyFileEntityController],
-  templateUrl: 'historyFileEntityTpl',
-})
diff --git a/services/web/frontend/js/ide/history/components/historyFileTree.js b/services/web/frontend/js/ide/history/components/historyFileTree.js
deleted file mode 100644
index 39ff9dfd9e..0000000000
--- a/services/web/frontend/js/ide/history/components/historyFileTree.js
+++ /dev/null
@@ -1,63 +0,0 @@
-import _ from 'lodash'
-
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-const historyFileTreeController = function ($scope) {
-  const ctrl = this
-  ctrl.handleEntityClick = file => ctrl.onSelectedFileChange({ file })
-  ctrl._fileTree = []
-
-  $scope.$watch('$ctrl.files', function (files) {
-    if (files != null && files.length > 0) {
-      ctrl._fileTree = _.reduce(files, _reducePathsToTree, [])
-    }
-  })
-
-  function _reducePathsToTree(currentFileTree, fileObject) {
-    const filePathParts = fileObject.pathname.split('/')
-    let currentFileTreeLocation = currentFileTree
-    for (let index = 0; index < filePathParts.length; index++) {
-      let fileTreeEntity
-      const pathPart = filePathParts[index]
-      const isFile = index === filePathParts.length - 1
-      if (isFile) {
-        fileTreeEntity = _.clone(fileObject)
-        fileTreeEntity.name = pathPart
-        fileTreeEntity.type = 'file'
-        currentFileTreeLocation.push(fileTreeEntity)
-      } else {
-        fileTreeEntity = _.find(
-          currentFileTreeLocation,
-          entity => entity.name === pathPart
-        )
-        if (fileTreeEntity == null) {
-          fileTreeEntity = {
-            name: pathPart,
-            type: 'folder',
-            children: [],
-          }
-          currentFileTreeLocation.push(fileTreeEntity)
-        }
-        currentFileTreeLocation = fileTreeEntity.children
-      }
-    }
-    return currentFileTree
-  }
-}
-
-export default App.component('historyFileTree', {
-  bindings: {
-    files: '<',
-    selectedPathname: '<',
-    onSelectedFileChange: '&',
-    isLoading: '<',
-  },
-  controller: ['$scope', historyFileTreeController],
-  templateUrl: 'historyFileTreeTpl',
-})
diff --git a/services/web/frontend/js/ide/history/components/historyLabel.js b/services/web/frontend/js/ide/history/components/historyLabel.js
deleted file mode 100644
index 3dd2333861..0000000000
--- a/services/web/frontend/js/ide/history/components/historyLabel.js
+++ /dev/null
@@ -1,37 +0,0 @@
-/* eslint-disable
-    max-len,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-const historyLabelController = function () {
-  const ctrl = this
-  ctrl.$onInit = () => {
-    if (ctrl.showTooltip == null) {
-      ctrl.showTooltip = true
-    }
-    if (ctrl.isPseudoCurrentStateLabel == null) {
-      ctrl.isPseudoCurrentStateLabel = false
-    }
-  }
-}
-
-export default App.component('historyLabel', {
-  bindings: {
-    labelText: '<',
-    labelOwnerName: '<?',
-    labelCreationDateTime: '<?',
-    isOwnedByCurrentUser: '<',
-    isPseudoCurrentStateLabel: '<',
-    onLabelDelete: '&',
-    showTooltip: '<?',
-  },
-  controller: historyLabelController,
-  templateUrl: 'historyLabelTpl',
-})
diff --git a/services/web/frontend/js/ide/history/components/historyLabelsList.js b/services/web/frontend/js/ide/history/components/historyLabelsList.js
deleted file mode 100644
index b94ed0af06..0000000000
--- a/services/web/frontend/js/ide/history/components/historyLabelsList.js
+++ /dev/null
@@ -1,175 +0,0 @@
-import _ from 'lodash'
-/* eslint-disable
-    max-len,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-import ColorManager from '../../colors/ColorManager'
-import displayNameForUser from '../util/displayNameForUser'
-const historyLabelsListController = function ($scope) {
-  const ctrl = this
-  ctrl.isDragging = false
-  ctrl.versionsWithLabels = []
-  $scope.$watchCollection('$ctrl.labels', function (labels) {
-    if (labels) {
-      const groupedLabelsHash = _.groupBy(labels, 'version')
-      ctrl.versionsWithLabels = _.map(groupedLabelsHash, (labels, version) => {
-        return {
-          version: parseInt(version, 10),
-          labels,
-        }
-      })
-    }
-  })
-  ctrl.initHoveredRange = () => {
-    ctrl.hoveredHistoryRange = {
-      toV: ctrl.selectedHistoryRange.toV,
-      fromV: ctrl.selectedHistoryRange.fromV,
-    }
-  }
-  ctrl.resetHoveredRange = () => {
-    ctrl.hoveredHistoryRange = { toV: null, fromV: null }
-  }
-  ctrl.setHoveredRangeToV = toV => {
-    if (toV >= ctrl.hoveredHistoryRange.fromV) {
-      ctrl.hoveredHistoryRange.toV = toV
-    }
-  }
-  ctrl.setHoveredRangeFromV = fromV => {
-    if (fromV <= ctrl.hoveredHistoryRange.toV) {
-      ctrl.hoveredHistoryRange.fromV = fromV
-    }
-  }
-
-  ctrl.isVersionSelected = function (version) {
-    if (ctrl.rangeSelectionEnabled) {
-      return (
-        version <= ctrl.selectedHistoryRange.toV &&
-        version >= ctrl.selectedHistoryRange.fromV
-      )
-    } else {
-      return version === ctrl.selectedHistoryVersion
-    }
-  }
-  ctrl.isVersionHoverSelected = function (version) {
-    return (
-      ctrl.rangeSelectionEnabled &&
-      version <= ctrl.hoveredHistoryRange.toV &&
-      version >= ctrl.hoveredHistoryRange.fromV
-    )
-  }
-  ctrl.onDraggingStart = () => {
-    $scope.$applyAsync(() => {
-      ctrl.isDragging = true
-      ctrl.initHoveredRange()
-    })
-  }
-  ctrl.onDraggingStop = (isValidDrop, boundary) => {
-    $scope.$applyAsync(() => {
-      if (!isValidDrop) {
-        if (boundary === 'toV') {
-          ctrl.setRangeToV(ctrl.hoveredHistoryRange.toV)
-        } else if (boundary === 'fromV') {
-          ctrl.setRangeFromV(ctrl.hoveredHistoryRange.fromV)
-        }
-      }
-      ctrl.isDragging = false
-      ctrl.resetHoveredRange()
-    })
-  }
-  ctrl.onDrop = (boundary, versionWithLabel) => {
-    if (boundary === 'toV') {
-      $scope.$applyAsync(() => ctrl.setRangeToV(versionWithLabel.version))
-    } else if (boundary === 'fromV') {
-      $scope.$applyAsync(() => ctrl.setRangeFromV(versionWithLabel.version))
-    }
-  }
-  ctrl.onOver = (boundary, versionWithLabel) => {
-    if (boundary === 'toV') {
-      $scope.$applyAsync(() =>
-        ctrl.setHoveredRangeToV(versionWithLabel.version)
-      )
-    } else if (boundary === 'fromV') {
-      $scope.$applyAsync(() =>
-        ctrl.setHoveredRangeFromV(versionWithLabel.version)
-      )
-    }
-  }
-  ctrl.handleVersionSelect = versionWithLabel => {
-    if (ctrl.rangeSelectionEnabled) {
-      // TODO
-      ctrl.onRangeSelect({
-        selectedToV: versionWithLabel.version,
-        selectedFromV: versionWithLabel.version,
-      })
-    } else {
-      ctrl.onVersionSelect({ version: versionWithLabel.version })
-    }
-  }
-  ctrl.setRangeToV = version => {
-    if (version >= ctrl.selectedHistoryRange.fromV) {
-      ctrl.onRangeSelect({
-        selectedToV: version,
-        selectedFromV: ctrl.selectedHistoryRange.fromV,
-      })
-    }
-  }
-  ctrl.setRangeFromV = version => {
-    if (version <= ctrl.selectedHistoryRange.toV) {
-      ctrl.onRangeSelect({
-        selectedToV: ctrl.selectedHistoryRange.toV,
-        selectedFromV: version,
-      })
-    }
-  }
-  ctrl.buildUserView = label => {
-    const user = {
-      _id: label.user_id,
-      displayName: label.user_display_name,
-    }
-    return user
-  }
-  ctrl.displayName = displayNameForUser
-  ctrl.getUserCSSStyle = function (user, versionWithLabel) {
-    const curUserId =
-      (user != null ? user._id : undefined) ||
-      (user != null ? user.id : undefined)
-    const hue = ColorManager.getHueForUserId(curUserId) || 100
-    if (
-      ctrl.isVersionSelected(versionWithLabel.version) ||
-      ctrl.isVersionHoverSelected(versionWithLabel.version)
-    ) {
-      return { color: '#FFF' }
-    } else {
-      return { color: `hsl(${hue}, 70%, 50%)` }
-    }
-  }
-
-  ctrl.$onInit = () => {
-    ctrl.resetHoveredRange()
-  }
-}
-
-export default App.component('historyLabelsList', {
-  bindings: {
-    labels: '<',
-    rangeSelectionEnabled: '<',
-    users: '<',
-    currentUser: '<',
-    isLoading: '<',
-    selectedHistoryVersion: '<?',
-    selectedHistoryRange: '<?',
-    onVersionSelect: '&',
-    onRangeSelect: '&',
-    onLabelDelete: '&',
-  },
-  controller: ['$scope', historyLabelsListController],
-  templateUrl: 'historyLabelsListTpl',
-})
diff --git a/services/web/frontend/js/ide/history/controllers/HistoryV2AddLabelModalController.js b/services/web/frontend/js/ide/history/controllers/HistoryV2AddLabelModalController.js
deleted file mode 100644
index d8f0a2d593..0000000000
--- a/services/web/frontend/js/ide/history/controllers/HistoryV2AddLabelModalController.js
+++ /dev/null
@@ -1,50 +0,0 @@
-/* eslint-disable
-    max-len,
-    no-return-assign,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-
-export default App.controller('HistoryV2AddLabelModalController', [
-  '$scope',
-  '$modalInstance',
-  'ide',
-  'update',
-  function ($scope, $modalInstance, ide, update) {
-    $scope.update = update
-    $scope.inputs = { labelName: null }
-    $scope.state = {
-      inflight: false,
-      error: false,
-    }
-
-    $modalInstance.opened.then(() =>
-      $scope.$applyAsync(() => $scope.$broadcast('open'))
-    )
-
-    return ($scope.addLabelModalFormSubmit = function () {
-      $scope.state.inflight = true
-      return ide.historyManager
-        .labelCurrentVersion($scope.inputs.labelName)
-        .then(function (response) {
-          $scope.state.inflight = false
-          return $modalInstance.close()
-        })
-        .catch(function (response) {
-          const { data, status } = response
-          $scope.state.inflight = false
-          if (status === 400) {
-            return ($scope.state.error = { message: data })
-          } else {
-            return ($scope.state.error = true)
-          }
-        })
-    })
-  },
-])
diff --git a/services/web/frontend/js/ide/history/controllers/HistoryV2DeleteLabelModalController.js b/services/web/frontend/js/ide/history/controllers/HistoryV2DeleteLabelModalController.js
deleted file mode 100644
index 4db555e4e9..0000000000
--- a/services/web/frontend/js/ide/history/controllers/HistoryV2DeleteLabelModalController.js
+++ /dev/null
@@ -1,45 +0,0 @@
-/* eslint-disable
-    max-len,
-    no-return-assign,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-
-export default App.controller('HistoryV2DeleteLabelModalController', [
-  '$scope',
-  '$modalInstance',
-  'ide',
-  'labelDetails',
-  function ($scope, $modalInstance, ide, labelDetails) {
-    $scope.labelDetails = labelDetails
-    $scope.state = {
-      inflight: false,
-      error: false,
-    }
-
-    return ($scope.deleteLabel = function () {
-      $scope.state.inflight = true
-      return ide.historyManager
-        .deleteLabel(labelDetails)
-        .then(function (response) {
-          $scope.state.inflight = false
-          return $modalInstance.close()
-        })
-        .catch(function (response) {
-          const { data, status } = response
-          $scope.state.inflight = false
-          if (status === 400) {
-            return ($scope.state.error = { message: data })
-          } else {
-            return ($scope.state.error = true)
-          }
-        })
-    })
-  },
-])
diff --git a/services/web/frontend/js/ide/history/controllers/HistoryV2FileTreeController.js b/services/web/frontend/js/ide/history/controllers/HistoryV2FileTreeController.js
deleted file mode 100644
index fb97dec47f..0000000000
--- a/services/web/frontend/js/ide/history/controllers/HistoryV2FileTreeController.js
+++ /dev/null
@@ -1,23 +0,0 @@
-/* eslint-disable
-    max-len,
-    no-return-assign,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-
-export default App.controller('HistoryV2FileTreeController', [
-  '$scope',
-  'ide',
-  function ($scope, ide) {
-    $scope.handleFileSelection = file => {
-      ide.historyManager.selectFile(file)
-    }
-  },
-])
diff --git a/services/web/frontend/js/ide/history/controllers/HistoryV2ListController.js b/services/web/frontend/js/ide/history/controllers/HistoryV2ListController.js
deleted file mode 100644
index 3394cb2aa7..0000000000
--- a/services/web/frontend/js/ide/history/controllers/HistoryV2ListController.js
+++ /dev/null
@@ -1,56 +0,0 @@
-/* eslint-disable
-    max-len,
-    no-return-assign,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-
-export default App.controller('HistoryV2ListController', [
-  '$scope',
-  '$modal',
-  'ide',
-  function ($scope, $modal, ide) {
-    $scope.hoveringOverListSelectors = false
-    $scope.listConfig = { showOnlyLabelled: false }
-
-    $scope.projectUsers = []
-
-    $scope.$watch('project.members', function (newVal) {
-      if (newVal != null) {
-        return ($scope.projectUsers = newVal.concat($scope.project.owner))
-      }
-    })
-
-    $scope.loadMore = () => {
-      return ide.historyManager.fetchNextBatchOfUpdates()
-    }
-
-    $scope.handleVersionSelect = version =>
-      $scope.$applyAsync(() =>
-        ide.historyManager.selectVersionForPointInTime(version)
-      )
-
-    $scope.handleRangeSelect = (selectedToV, selectedFromV) =>
-      $scope.$applyAsync(() =>
-        ide.historyManager.selectVersionsForCompare(selectedToV, selectedFromV)
-      )
-
-    return ($scope.handleLabelDelete = labelDetails =>
-      $modal.open({
-        templateUrl: 'historyV2DeleteLabelModalTemplate',
-        controller: 'HistoryV2DeleteLabelModalController',
-        resolve: {
-          labelDetails() {
-            return labelDetails
-          },
-        },
-      }))
-  },
-])
diff --git a/services/web/frontend/js/ide/history/controllers/HistoryV2ToolbarController.js b/services/web/frontend/js/ide/history/controllers/HistoryV2ToolbarController.js
deleted file mode 100644
index d15c09202c..0000000000
--- a/services/web/frontend/js/ide/history/controllers/HistoryV2ToolbarController.js
+++ /dev/null
@@ -1,128 +0,0 @@
-/* eslint-disable
-    max-len,
-    no-return-assign,
-    camelcase,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-import { debugConsole } from '@/utils/debugging'
-
-export default App.controller('HistoryV2ToolbarController', [
-  '$scope',
-  '$modal',
-  'ide',
-  'eventTracking',
-  'waitFor',
-  function ($scope, $modal, ide, eventTracking, waitFor) {
-    $scope.currentUpdate = null
-    $scope.currentLabel = null
-
-    $scope.restoreState = {
-      inflight: false,
-      error: false,
-    }
-
-    $scope.toolbarUIConfig = {
-      showOnlyLabels: false,
-    }
-
-    const _deregistershowOnlyLabelsWatcher = $scope.$watch(
-      'history.showOnlyLabels',
-      showOnlyLabels => {
-        if (showOnlyLabels != null) {
-          $scope.toolbarUIConfig.showOnlyLabels = showOnlyLabels
-          _deregistershowOnlyLabelsWatcher()
-        }
-      }
-    )
-
-    $scope.$watch('toolbarUIConfig.showOnlyLabels', (newVal, oldVal) => {
-      if (newVal != null && newVal !== oldVal) {
-        if (newVal) {
-          ide.historyManager.showOnlyLabels()
-        } else {
-          ide.historyManager.showAllUpdates()
-        }
-      }
-    })
-
-    $scope.$watch('history.viewMode', (newVal, oldVal) => {
-      if (newVal != null && newVal !== oldVal) {
-        $scope.currentUpdate = ide.historyManager.getUpdateForVersion(newVal)
-      }
-    })
-
-    $scope.$watch('history.selection.range.toV', (newVal, oldVal) => {
-      if (
-        newVal != null &&
-        newVal !== oldVal &&
-        $scope.history.viewMode === $scope.HistoryViewModes.POINT_IN_TIME
-      ) {
-        $scope.currentUpdate = ide.historyManager.getUpdateForVersion(newVal)
-      }
-    })
-
-    $scope.toggleHistoryViewMode = () => {
-      ide.historyManager.toggleHistoryViewMode()
-    }
-
-    $scope.restoreDeletedFile = function () {
-      const { pathname, deletedAtV } = $scope.history.selection.file
-      if (pathname == null || deletedAtV == null) {
-        return
-      }
-
-      eventTracking.sendMB('history-v2-restore-deleted')
-      $scope.restoreState.inflight = true
-      return ide.historyManager
-        .restoreFile(deletedAtV, pathname)
-        .then(function (response) {
-          const { data } = response
-          return openEntity(data)
-        })
-        .catch(() =>
-          ide.showGenericMessageModal(
-            'Sorry, something went wrong with the restore'
-          )
-        )
-        .finally(() => ($scope.restoreState.inflight = false))
-    }
-
-    $scope.showAddLabelDialog = () => {
-      $modal.open({
-        templateUrl: 'historyV2AddLabelModalTemplate',
-        controller: 'HistoryV2AddLabelModalController',
-        resolve: {
-          update() {
-            return $scope.history.selection.update
-          },
-        },
-      })
-    }
-
-    function openEntity(data) {
-      const { id, type } = data
-      return waitFor(() => ide.fileTreeManager.findEntityById(id), 3000)
-        .then(function (entity) {
-          if (type === 'doc') {
-            ide.editorManager.openDoc(entity)
-            ide.$timeout(() => {
-              $scope.$broadcast('history:toggle')
-            }, 0)
-          } else if (type === 'file') {
-            ide.binaryFilesManager.openFile(entity)
-            ide.$timeout(() => {
-              $scope.$broadcast('history:toggle')
-            }, 0)
-          }
-        })
-        .catch(debugConsole.error)
-    }
-  },
-])
diff --git a/services/web/frontend/js/ide/history/directives/historyDraggableBoundary.js b/services/web/frontend/js/ide/history/directives/historyDraggableBoundary.js
deleted file mode 100644
index 9a115108d6..0000000000
--- a/services/web/frontend/js/ide/history/directives/historyDraggableBoundary.js
+++ /dev/null
@@ -1,35 +0,0 @@
-import App from '../../../base'
-
-export default App.directive('historyDraggableBoundary', function () {
-  return {
-    scope: {
-      historyDraggableBoundary: '@',
-      historyDraggableBoundaryOnDragStart: '&',
-      historyDraggableBoundaryOnDragStop: '&',
-    },
-    restrict: 'A',
-    link(scope, element, attrs) {
-      element.data('selectionBoundary', {
-        boundary: scope.historyDraggableBoundary,
-      })
-      element.draggable({
-        axis: 'y',
-        opacity: false,
-        helper: 'clone',
-        revert: true,
-        scroll: true,
-        cursor: 'row-resize',
-        start(e, ui) {
-          ui.helper.data('wasProperlyDropped', false)
-          scope.historyDraggableBoundaryOnDragStart()
-        },
-        stop(e, ui) {
-          scope.historyDraggableBoundaryOnDragStop({
-            isValidDrop: ui.helper.data('wasProperlyDropped'),
-            boundary: scope.historyDraggableBoundary,
-          })
-        },
-      })
-    },
-  }
-})
diff --git a/services/web/frontend/js/ide/history/directives/historyDroppableArea.js b/services/web/frontend/js/ide/history/directives/historyDroppableArea.js
deleted file mode 100644
index 082c1b553e..0000000000
--- a/services/web/frontend/js/ide/history/directives/historyDroppableArea.js
+++ /dev/null
@@ -1,28 +0,0 @@
-import App from '../../../base'
-
-export default App.directive('historyDroppableArea', function () {
-  return {
-    scope: {
-      historyDroppableAreaOnDrop: '&',
-      historyDroppableAreaOnOver: '&',
-      historyDroppableAreaOnOut: '&',
-    },
-    restrict: 'A',
-    link(scope, element, attrs) {
-      element.droppable({
-        accept: e => '.history-entry-toV-handle, .history-entry-fromV-handle',
-        drop: (e, ui) => {
-          const draggedBoundary =
-            ui.draggable.data('selectionBoundary').boundary
-          ui.helper.data('wasProperlyDropped', true)
-          scope.historyDroppableAreaOnDrop({ boundary: draggedBoundary })
-        },
-        over: (e, ui) => {
-          const draggedBoundary =
-            ui.draggable.data('selectionBoundary').boundary
-          scope.historyDroppableAreaOnOver({ boundary: draggedBoundary })
-        },
-      })
-    },
-  }
-})
diff --git a/services/web/frontend/js/ide/history/directives/infiniteScroll.js b/services/web/frontend/js/ide/history/directives/infiniteScroll.js
deleted file mode 100644
index dbc5cc704c..0000000000
--- a/services/web/frontend/js/ide/history/directives/infiniteScroll.js
+++ /dev/null
@@ -1,55 +0,0 @@
-/* eslint-disable
-    max-len,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-import App from '../../../base'
-
-export default App.directive('infiniteScroll', function () {
-  return {
-    link(scope, element, attrs, ctrl) {
-      const innerElement = element.find('.infinite-scroll-inner')
-      element.css({ 'overflow-y': 'auto' })
-
-      const atEndOfListView = function () {
-        if (attrs.infiniteScrollUpwards != null) {
-          return atTopOfListView()
-        } else {
-          return atBottomOfListView()
-        }
-      }
-
-      const atTopOfListView = () => element.scrollTop() < 30
-
-      const atBottomOfListView = () =>
-        element.scrollTop() + element.height() >= innerElement.height() - 30
-
-      const listShorterThanContainer = () =>
-        element.height() > innerElement.height()
-
-      function loadUntilFull() {
-        if (
-          (listShorterThanContainer() || atEndOfListView()) &&
-          !scope.$eval(attrs.infiniteScrollDisabled)
-        ) {
-          const promise = scope.$eval(attrs.infiniteScroll)
-          return promise.then(() => setTimeout(() => loadUntilFull(), 0))
-        }
-      }
-
-      element.on('scroll', event => loadUntilFull())
-
-      return scope.$watch(attrs.infiniteScrollInitialize, function (value) {
-        if (value) {
-          return loadUntilFull()
-        }
-      })
-    },
-  }
-})
diff --git a/services/web/frontend/js/ide/history/util/HistoryViewModes.js b/services/web/frontend/js/ide/history/util/HistoryViewModes.js
deleted file mode 100644
index 4ef6ab7847..0000000000
--- a/services/web/frontend/js/ide/history/util/HistoryViewModes.js
+++ /dev/null
@@ -1,17 +0,0 @@
-/* eslint-disable
-    no-return-assign,
-    no-unused-vars,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-let HistoryViewModes
-
-export default HistoryViewModes = {
-  POINT_IN_TIME: 'point_in_time',
-  COMPARE: 'compare',
-}
diff --git a/services/web/frontend/js/shared/context/layout-context.tsx b/services/web/frontend/js/shared/context/layout-context.tsx
index efb7a7906c..44a547217a 100644
--- a/services/web/frontend/js/shared/context/layout-context.tsx
+++ b/services/web/frontend/js/shared/context/layout-context.tsx
@@ -14,6 +14,7 @@ import localStorage from '../../infrastructure/local-storage'
 import getMeta from '../../utils/meta'
 import { debugConsole } from '@/utils/debugging'
 import { BinaryFile } from '@/features/file-view/types/binary-file'
+import useScopeEventEmitter from '@/shared/hooks/use-scope-event-emitter'
 
 export type IdeLayout = 'sideBySide' | 'flat'
 export type IdeView = 'editor' | 'file' | 'pdf' | 'history'
@@ -60,15 +61,15 @@ function setLayoutInLocalStorage(pdfLayout: IdeLayout) {
 export const LayoutProvider: FC = ({ children }) => {
   // what to show in the "flat" view (editor or pdf)
   const [view, _setView] = useScopeValue<IdeView>('ui.view')
-  const [toggleHistory] = useScopeValue<() => void>('toggleHistory')
   const [openFile] = useScopeValue<BinaryFile | null>('openFile')
+  const historyToggleEmitter = useScopeEventEmitter('history:toggle', true)
 
   const setView = useCallback(
     (value: IdeView) => {
       _setView(oldValue => {
         // ensure that the "history:toggle" event is broadcast when switching in or out of history view
         if (value === 'history' || oldValue === 'history') {
-          toggleHistory()
+          historyToggleEmitter()
         }
 
         if (value === 'editor' && openFile) {
@@ -82,7 +83,7 @@ export const LayoutProvider: FC = ({ children }) => {
         return value
       })
     },
-    [_setView, openFile, toggleHistory]
+    [_setView, openFile, historyToggleEmitter]
   )
 
   // whether the chat pane is open
diff --git a/services/web/frontend/stories/decorators/scope.tsx b/services/web/frontend/stories/decorators/scope.tsx
index 127f8c0cf2..8fae643504 100644
--- a/services/web/frontend/stories/decorators/scope.tsx
+++ b/services/web/frontend/stories/decorators/scope.tsx
@@ -89,7 +89,6 @@ const initialize = () => {
       pdfViewer: 'js',
       syntaxValidation: true,
     },
-    toggleHistory: () => {},
     editor: {
       richText: false,
       sharejs_doc: {
diff --git a/services/web/test/frontend/helpers/editor-providers.jsx b/services/web/test/frontend/helpers/editor-providers.jsx
index d2a92510e4..007a143345 100644
--- a/services/web/test/frontend/helpers/editor-providers.jsx
+++ b/services/web/test/frontend/helpers/editor-providers.jsx
@@ -116,7 +116,6 @@ export function EditorProviders({
       },
       $on: sinon.stub(),
       $applyAsync: sinon.stub(),
-      toggleHistory: sinon.stub(),
       permissionsLevel,
     },
     scope