Remove unused variables

src/application-delegate.coffee

@@ -1,5 +1,5 @@
 _ = require 'underscore-plus'
-{screen, ipcRenderer, remote, shell, systemPreferences, webFrame} = require 'electron'
+{screen, ipcRenderer, remote, shell, webFrame} = require 'electron'
 ipcHelpers = require './ipc-helpers'
 {Disposable} = require 'event-kit'
 {getWindowLoadSettings, setWindowLoadSettings} = require './window-load-settings-helpers'

src/atom-environment.coffee

@@ -9,10 +9,9 @@ fs = require 'fs-plus'
 {mapSourcePosition} = require 'source-map-support'
 Model = require './model'
 WindowEventHandler = require './window-event-handler'
-StylesElement = require './styles-element'
 StateStore = require './state-store'
 StorageFolder = require './storage-folder'
-{getWindowLoadSettings, setWindowLoadSettings} = require './window-load-settings-helpers'
+{getWindowLoadSettings} = require './window-load-settings-helpers'
 registerDefaultCommands = require './register-default-commands'
 
 DeserializerManager = require './deserializer-manager'
@@ -51,7 +50,6 @@ PanelElement = require './panel-element'
 PaneContainerElement = require './pane-container-element'
 PaneAxisElement = require './pane-axis-element'
 PaneElement = require './pane-element'
-TextEditorElement = require './text-editor-element'
 {createGutterView} = require './gutter-component-helpers'
 
 # Essential: Atom global for dealing with packages, themes, menus, and the window.

src/block-decorations-component.coffee

@@ -24,7 +24,7 @@ class BlockDecorationsComponent
       @domNode.style.width = @newState.width + "px"
       @oldState.width = @newState.width
 
-    for id, blockDecorationState of @oldState.blockDecorations
+    for id of @oldState.blockDecorations
       unless @newState.blockDecorations.hasOwnProperty(id)
         blockDecorationNode = @blockDecorationNodesById[id]
         blockDecorationNode.previousSibling.remove()
@@ -33,7 +33,7 @@ class BlockDecorationsComponent
         delete @blockDecorationNodesById[id]
         delete @oldState.blockDecorations[id]
 
-    for id, blockDecorationState of @newState.blockDecorations
+    for id of @newState.blockDecorations
       if @oldState.blockDecorations.hasOwnProperty(id)
         @updateBlockDecorationNode(id)
       else
@@ -42,7 +42,6 @@ class BlockDecorationsComponent
 
   measureBlockDecorations: ->
     for decorationId, blockDecorationNode of @blockDecorationNodesById
-      style = getComputedStyle(blockDecorationNode)
       decoration = @newState.blockDecorations[decorationId].decoration
       topRuler = blockDecorationNode.previousSibling
       bottomRuler = blockDecorationNode.nextSibling

src/command-registry.coffee

@@ -214,7 +214,6 @@ class CommandRegistry
     immediatePropagationStopped = false
     matched = false
     currentTarget = event.target
-    {preventDefault, stopPropagation, stopImmediatePropagation, abortKeyBinding} = event
 
     dispatchedEvent = new CustomEvent(event.type, {bubbles: true, detail: event.detail})
     Object.defineProperty dispatchedEvent, 'eventPhase', value: Event.BUBBLING_PHASE

src/config.coffee

@@ -1,6 +1,6 @@
 _ = require 'underscore-plus'
 fs = require 'fs-plus'
-{CompositeDisposable, Disposable, Emitter} = require 'event-kit'
+{Emitter} = require 'event-kit'
 CSON = require 'season'
 path = require 'path'
 async = require 'async'
@@ -561,7 +561,7 @@ class Config
   #  * `scopeDescriptor` The {ScopeDescriptor} with which the value is associated
   #  * `value` The value for the key-path
   getAll: (keyPath, options) ->
-    {scope, sources} = options if options?
+    {scope} = options if options?
     result = []
 
     if scope?
@@ -1045,7 +1045,6 @@ class Config
   resetSettingsForSchemaChange: (source=@getUserConfigPath()) ->
     @transact =>
       @settings = @makeValueConformToSchema(null, @settings, suppressException: true)
-      priority = @priorityForSource(source)
       selectorsAndSettings = @scopedSettingsStore.propertiesForSource(source)
       @scopedSettingsStore.removePropertiesForSource(source)
       for scopeSelector, settings of selectorsAndSettings

src/context-menu-manager.coffee

@@ -1,4 +1,3 @@
-_ = require 'underscore-plus'
 path = require 'path'
 CSON = require 'season'
 fs = require 'fs-plus'

src/cursor.coffee

@@ -682,7 +682,6 @@ class Cursor extends Model
     {row, column} = start
     scanRange = [[row-1, column], [0, 0]]
     position = new Point(0, 0)
-    zero = new Point(0, 0)
     @editor.backwardsScanInBufferRange EmptyLineRegExp, scanRange, ({range, stop}) ->
       position = range.start.traverse(Point(1, 0))
       stop() unless position.isEqual(start)

src/git-repository.coffee

@@ -1,4 +1,4 @@
-{basename, join} = require 'path'
+{join} = require 'path'
 
 _ = require 'underscore-plus'
 {Emitter, Disposable, CompositeDisposable} = require 'event-kit'

src/grammar-registry.coffee

@@ -1,5 +1,4 @@
 _ = require 'underscore-plus'
-{Emitter} = require 'event-kit'
 FirstMate = require 'first-mate'
 Token = require './token'
 fs = require 'fs-plus'

src/gutter-container-component.coffee

@@ -18,7 +18,7 @@ class GutterContainerComponent
     @domNode.style.display = 'flex'
 
   destroy: ->
-    for {name, component} in @gutterComponents
+    for {component} in @gutterComponents
       component.destroy?()
     return
 

src/initialize-application-window.coffee

@@ -5,7 +5,7 @@ module.exports = ({blobStore}) ->
   require './window'
   {getWindowLoadSettings} = require './window-load-settings-helpers'
   {ipcRenderer} = require 'electron'
-  {resourcePath, isSpec, devMode, env} = getWindowLoadSettings()
+  {resourcePath, devMode, env} = getWindowLoadSettings()
   require '../src/electron-shims'
 
   updateProcessEnv(env)

src/language-mode.coffee

@@ -253,7 +253,6 @@ class LanguageMode
     iterator.next()
     scopeDescriptor = new ScopeDescriptor(scopes: iterator.getScopes())
 
-    patterns =
     increaseIndentRegex = @increaseIndentRegexForScopeDescriptor(scopeDescriptor)
     decreaseIndentRegex = @decreaseIndentRegexForScopeDescriptor(scopeDescriptor)
     decreaseNextIndentRegex = @decreaseNextIndentRegexForScopeDescriptor(scopeDescriptor)

src/layer-decoration.coffee

@@ -1,5 +1,3 @@
-_ = require 'underscore-plus'
-
 idCounter = 0
 nextId = -> idCounter++
 

src/line-number-gutter-component.coffee

@@ -1,7 +1,5 @@
 TiledComponent = require './tiled-component'
 LineNumbersTileComponent = require './line-numbers-tile-component'
-WrapperDiv = document.createElement('div')
-DOMElementPool = require './dom-element-pool'
 
 module.exports =
 class LineNumberGutterComponent extends TiledComponent

src/line-numbers-tile-component.coffee

@@ -96,7 +96,7 @@ class LineNumbersTileComponent
   screenRowForNode: (node) -> parseInt(node.dataset.screenRow)
 
   buildLineNumberNode: (lineNumberState) ->
-    {screenRow, bufferRow, softWrapped, top, decorationClasses, zIndex, blockDecorationsHeight} = lineNumberState
+    {screenRow, bufferRow, softWrapped, blockDecorationsHeight} = lineNumberState
 
     className = @buildLineNumberClassName(lineNumberState)
     lineNumberNode = @domElementPool.buildElement("div", className)

src/lines-component.coffee

@@ -15,8 +15,6 @@ DummyLineNode.children[1].textContent = '我'
 DummyLineNode.children[2].textContent = 'ﾊ'
 DummyLineNode.children[3].textContent = '세'
 
-RangeForMeasurement = document.createRange()
-
 module.exports =
 class LinesComponent extends TiledComponent
   placeholderTextDiv: null
@@ -77,7 +75,6 @@ class LinesComponent extends TiledComponent
 
   measureLineHeightAndDefaultCharWidth: ->
     @domNode.appendChild(DummyLineNode)
-    textNode = DummyLineNode.firstChild.childNodes[0]
 
     lineHeightInPixels = DummyLineNode.getBoundingClientRect().height
     defaultCharWidth = DummyLineNode.children[0].getBoundingClientRect().width

src/lines-tile-component.coffee

@@ -1,9 +1,4 @@
-_ = require 'underscore-plus'
-
 HighlightsComponent = require './highlights-component'
-AcceptFilter = {acceptNode: -> NodeFilter.FILTER_ACCEPT}
-TokenTextEscapeRegex = /[&"'<>]/g
-MaxTokenLength = 20000
 ZERO_WIDTH_NBSP = '\ufeff'
 
 cloneObject = (object) ->
@@ -201,7 +196,6 @@ class LinesTileComponent
         lineNode.classList.add(decorationClass)
 
     textNodes = []
-    lineLength = 0
     startIndex = 0
     openScopeNode = lineNode
     for tagCode in tagCodes when tagCode isnt 0

src/lines-yardstick.coffee

@@ -18,7 +18,6 @@ class LinesYardstick
   screenPositionForPixelPosition: (pixelPosition) ->
     targetTop = pixelPosition.top
     targetLeft = pixelPosition.left
-    defaultCharWidth = @model.getDefaultCharWidth()
     row = @lineTopIndex.rowForPixelPosition(targetTop)
     targetLeft = 0 if targetTop < 0 or targetLeft < 0
     targetLeft = Infinity if row > @model.getLastScreenRow()

src/main-process/atom-application.coffee

@@ -62,7 +62,7 @@ class AtomApplication
   exit: (status) -> app.exit(status)
 
   constructor: (options) ->
-    {@resourcePath, @devResourcePath, @version, @devMode, @safeMode, @socketPath, @logFile, @setPortable, @userDataDir, timeout, clearWindowState} = options
+    {@resourcePath, @devResourcePath, @version, @devMode, @safeMode, @socketPath, @logFile, @setPortable, @userDataDir} = options
     @socketPath = null if options.test
     @pidsToOpenWindows = {}
     @windows = []

src/main-process/atom-protocol-handler.coffee

@@ -1,4 +1,4 @@
-{app, protocol} = require 'electron'
+{protocol} = require 'electron'
 fs = require 'fs'
 path = require 'path'
 

src/main-process/atom-window.coffee

@@ -16,7 +16,7 @@ class AtomWindow
   isSpec: null
 
   constructor: (@atomApplication, @fileRecoveryService, settings={}) ->
-    {@resourcePath, initialPaths, pathToOpen, locationsToOpen, @isSpec, @headless, @safeMode, @devMode} = settings
+    {@resourcePath, pathToOpen, locationsToOpen, @isSpec, @headless, @safeMode, @devMode} = settings
     locationsToOpen ?= [{pathToOpen}] if pathToOpen
     locationsToOpen ?= []
 

src/notification-manager.coffee

@@ -1,4 +1,4 @@
-{Emitter, Disposable} = require 'event-kit'
+{Emitter} = require 'event-kit'
 Notification = require '../src/notification'
 
 # Public: A notification manager used to create {Notification}s to be shown

src/package-manager.coffee

@@ -284,7 +284,7 @@ class PackageManager
         packagePaths.push(packagePath) if fs.isDirectorySync(packagePath)
 
     packagesPath = path.join(@resourcePath, 'node_modules')
-    for packageName, packageVersion of @getPackageDependencies()
+    for packageName of @getPackageDependencies()
       packagePath = path.join(packagesPath, packageName)
       packagePaths.push(packagePath) if fs.isDirectorySync(packagePath)
 

src/package.coffee

@@ -422,8 +422,6 @@ class Package
     @settingsActivated = false
 
   reloadStylesheets: ->
-    oldSheets = _.clone(@stylesheets)
-
     try
       @loadStylesheets()
     catch error

src/pane-container.coffee

@@ -1,6 +1,5 @@
-{find, flatten} = require 'underscore-plus'
+{find} = require 'underscore-plus'
 {Emitter, CompositeDisposable} = require 'event-kit'
-Gutter = require './gutter'
 Model = require './model'
 Pane = require './pane'
 ItemRegistry = require './item-registry'

src/pane.coffee

@@ -21,7 +21,7 @@ class Pane extends Model
   focused: false
 
   @deserialize: (state, {deserializers, applicationDelegate, config, notifications}) ->
-    {items, itemStackIndices, activeItemIndex, activeItemURI, activeItemUri} = state
+    {items, activeItemIndex, activeItemURI, activeItemUri} = state
     activeItemURI ?= activeItemUri
     items = items.map (itemState) -> deserializers.deserialize(itemState)
     state.activeItem = items[activeItemIndex]

src/project.coffee

@@ -1,5 +1,4 @@
 path = require 'path'
-url = require 'url'
 
 _ = require 'underscore-plus'
 fs = require 'fs-plus'
@@ -8,8 +7,6 @@ TextBuffer = require 'text-buffer'
 
 DefaultDirectoryProvider = require './default-directory-provider'
 Model = require './model'
-TextEditor = require './text-editor'
-Task = require './task'
 GitRepositoryProvider = require './git-repository-provider'
 
 # Extended: Represents a project that's opened in Atom.

src/register-default-commands.coffee

@@ -1,4 +1,5 @@
 {ipcRenderer} = require 'electron'
+Grim = require 'grim'
 
 module.exports = ({commandRegistry, commandInstaller, config, notificationManager, project, clipboard}) ->
   commandRegistry.add 'atom-workspace',

src/scan-handler.coffee

@@ -5,8 +5,6 @@ async = require "async"
 module.exports = (rootPaths, regexSource, options) ->
   callback = @async()
 
-  rootPath = rootPaths[0]
-
   PATHS_COUNTER_SEARCHED_CHUNK = 50
   pathsSearched = 0
 

src/scoped-properties.coffee

@@ -1,5 +1,4 @@
 CSON = require 'season'
-{CompositeDisposable} = require 'event-kit'
 
 module.exports =
 class ScopedProperties

src/selection.coffee

@@ -512,7 +512,7 @@ class Selection extends Model
       joinMarker = @editor.markBufferRange(selectedRange, invalidate: 'never')
 
     rowCount = Math.max(1, selectedRange.getRowCount() - 1)
-    for row in [0...rowCount]
+    for [0...rowCount]
       @cursor.setBufferPosition([selectedRange.start.row])
       @cursor.moveToEndOfLine()
 
@@ -656,7 +656,7 @@ class Selection extends Model
   #   * `autoIndent` If `true`, the line is indented to an automatically-inferred
   #     level. Otherwise, {TextEditor::getTabText} is inserted.
   indent: ({autoIndent}={}) ->
-    {row, column} = @cursor.getBufferPosition()
+    {row} = @cursor.getBufferPosition()
 
     if @isEmpty()
       @cursor.skipLeadingWhitespace()

src/text-editor-component.coffee

@@ -1,4 +1,3 @@
-_ = require 'underscore-plus'
 scrollbarStyle = require 'scrollbar-style'
 {Range, Point} = require 'text-buffer'
 {CompositeDisposable} = require 'event-kit'
@@ -343,8 +342,6 @@ class TextEditorComponent
     @scopedConfigDisposables = new CompositeDisposable
     @disposables.add(@scopedConfigDisposables)
 
-    scope = @editor.getRootScopeDescriptor()
-
   focused: ->
     if @mounted
       @presenter.setFocused(true)

src/text-editor-element.coffee

@@ -1,8 +1,5 @@
 {Emitter, CompositeDisposable} = require 'event-kit'
-Path = require 'path'
-{defaults} = require 'underscore-plus'
 TextBuffer = require 'text-buffer'
-TextEditor = require './text-editor'
 TextEditorComponent = require './text-editor-component'
 StylesElement = require './styles-element'
 

src/text-editor-presenter.coffee

@@ -1,4 +1,4 @@
-{CompositeDisposable, Disposable, Emitter} = require 'event-kit'
+{CompositeDisposable, Emitter} = require 'event-kit'
 {Point, Range} = require 'text-buffer'
 _ = require 'underscore-plus'
 Decoration = require './decoration'
@@ -886,13 +886,11 @@ class TextEditorPresenter
 
   setHorizontalScrollbarHeight: (horizontalScrollbarHeight) ->
     unless @measuredHorizontalScrollbarHeight is horizontalScrollbarHeight
-      oldHorizontalScrollbarHeight = @measuredHorizontalScrollbarHeight
       @measuredHorizontalScrollbarHeight = horizontalScrollbarHeight
       @emitDidUpdateState()
 
   setVerticalScrollbarWidth: (verticalScrollbarWidth) ->
     unless @measuredVerticalScrollbarWidth is verticalScrollbarWidth
-      oldVerticalScrollbarWidth = @measuredVerticalScrollbarWidth
       @measuredVerticalScrollbarWidth = verticalScrollbarWidth
       @emitDidUpdateState()
 
@@ -922,7 +920,6 @@ class TextEditorPresenter
 
   setContentFrameWidth: (contentFrameWidth) ->
     if @contentFrameWidth isnt contentFrameWidth or @editorWidthInChars?
-      oldContentFrameWidth = @contentFrameWidth
       @contentFrameWidth = contentFrameWidth
       @editorWidthInChars = null
       @updateScrollbarDimensions()
@@ -1122,7 +1119,7 @@ class TextEditorPresenter
         @updateHighlightState(decorationId, properties, screenRange)
 
     for tileId, tileState of @state.content.tiles
-      for id, highlight of tileState.highlights
+      for id of tileState.highlights
         delete tileState.highlights[id] unless @visibleHighlights[tileId]?[id]?
 
     return

src/theme-manager.coffee

@@ -1,6 +1,6 @@
 path = require 'path'
 _ = require 'underscore-plus'
-{Emitter, Disposable, CompositeDisposable} = require 'event-kit'
+{Emitter, CompositeDisposable} = require 'event-kit'
 {File} = require 'pathwatcher'
 fs = require 'fs-plus'
 

src/token.coffee

@@ -1,7 +1,6 @@
 _ = require 'underscore-plus'
 
 StartDotRegex = /^\.?/
-WhitespaceRegex = /\S/
 
 # Represents a single unit of text as selected by a grammar.
 module.exports =

src/tokenized-buffer.coffee

@@ -1,11 +1,9 @@
 _ = require 'underscore-plus'
 {CompositeDisposable, Emitter} = require 'event-kit'
 {Point, Range} = require 'text-buffer'
-{ScopeSelector} = require 'first-mate'
 Model = require './model'
 TokenizedLine = require './tokenized-line'
 TokenIterator = require './token-iterator'
-Token = require './token'
 ScopeDescriptor = require './scope-descriptor'
 TokenizedBufferIterator = require './tokenized-buffer-iterator'
 NullGrammar = require './null-grammar'

src/tokenized-line.coffee

@@ -1,5 +1,3 @@
-_ = require 'underscore-plus'
-{isPairedCharacter, isCJKCharacter} = require './text-utils'
 Token = require './token'
 CommentScopeRegex = /(\b|\.)comment/
 

src/view-registry.coffee

@@ -1,4 +1,3 @@
-{find} = require 'underscore-plus'
 Grim = require 'grim'
 {Disposable} = require 'event-kit'
 _ = require 'underscore-plus'

src/window-event-handler.coffee

@@ -1,6 +1,4 @@
-path = require 'path'
 {Disposable, CompositeDisposable} = require 'event-kit'
-fs = require 'fs-plus'
 listen = require './delegated-listener'
 
 # Handles low-level events related to the @window.

src/window-load-settings-helpers.coffee

@@ -1,6 +1,3 @@
-{remote} = require 'electron'
-_ = require 'underscore-plus'
-
 windowLoadSettings = null
 
 exports.getWindowLoadSettings = ->

src/workspace-element.coffee

@@ -1,8 +1,7 @@
 {ipcRenderer} = require 'electron'
 path = require 'path'
 fs = require 'fs-plus'
-{Disposable, CompositeDisposable} = require 'event-kit'
-Grim = require 'grim'
+{CompositeDisposable} = require 'event-kit'
 scrollbarStyle = require 'scrollbar-style'
 
 module.exports =

src/workspace.coffee

@@ -1,7 +1,6 @@
 _ = require 'underscore-plus'
 url = require 'url'
 path = require 'path'
-{join} = path
 {Emitter, Disposable, CompositeDisposable} = require 'event-kit'
 fs = require 'fs-plus'
 {Directory} = require 'pathwatcher'
@@ -9,7 +8,6 @@ DefaultDirectorySearcher = require './default-directory-searcher'
 Model = require './model'
 TextEditor = require './text-editor'
 PaneContainer = require './pane-container'
-Pane = require './pane'
 Panel = require './panel'
 PanelContainer = require './panel-container'
 Task = require './task'