Update superstring

package.json

@@ -47,7 +47,7 @@
     "yargs": "^6.5.0"
   },
   "dependencies": {
-    "superstring": "1.1.0",
+    "superstring": "1.2.1",
     "delegato": "^1.0.0",
     "diff": "^2.2.1",
     "emissary": "^1.0.0",

src/helpers.coffee

@@ -1,4 +1,5 @@
 Point = require './point'
+{traversal} = require './point-helpers'
 
 MULTI_LINE_REGEX_REGEX = /\\s|\\r|\\n|\r|\n|^\[\^|[^\\]\[\^/
 
@@ -28,8 +29,8 @@ module.exports =
   normalizePatchChanges: (changes) ->
     changes.map (change) -> {
       start: Point.fromObject(change.newStart)
-      oldExtent: Point.fromObject(change.oldExtent)
-      newExtent: Point.fromObject(change.newExtent)
+      oldExtent: traversal(change.oldEnd, change.oldStart)
+      newExtent: traversal(change.newEnd, change.newStart)
       newText: change.newText
     }
 

src/marker-layer.coffee

@@ -337,7 +337,7 @@ class MarkerLayer
   destroyMarker: (marker) ->
     if @markersById.hasOwnProperty(marker.id)
       delete @markersById[marker.id]
-      @index.delete(marker.id)
+      @index.remove(marker.id)
       @markersWithChangeListeners.delete(marker)
       @markersWithDestroyListeners.delete(marker)
       @displayMarkerLayers.forEach (displayMarkerLayer) -> displayMarkerLayer.destroyMarker(marker.id)
@@ -363,7 +363,7 @@ class MarkerLayer
     {start, end} = Range.fromObject(range)
     start = @delegate.clipPosition(start)
     end = @delegate.clipPosition(end)
-    @index.delete(id)
+    @index.remove(id)
     @index.insert(id, start, end)
 
   setMarkerIsExclusive: (id, exclusive) ->

src/text-buffer.coffee

@@ -13,6 +13,7 @@ MarkerLayer = require './marker-layer'
 MatchIterator = require './match-iterator'
 DisplayLayer = require './display-layer'
 {spliceArray, newlineRegex, normalizePatchChanges, regexIsSingleLine} = require './helpers'
+{traversal} = require './point-helpers'
 
 class TransactionAbortedError extends Error
   constructor: -> super
@@ -622,7 +623,14 @@ class TextBuffer
 
     oldRange = @clipRange(range)
     oldText = @getTextInRange(oldRange)
-    change = {newStart: oldRange.start, oldExtent: oldRange.getExtent(), oldText, newText, normalizeLineEndings}
+    change = {
+      oldStart: oldRange.start,
+      newStart: oldRange.start,
+      oldEnd: oldRange.end,
+      oldText,
+      newText,
+      normalizeLineEndings
+    }
     @applyChange(change, undo isnt 'skip')
 
   # Public: Insert text at the given position.
@@ -651,9 +659,10 @@ class TextBuffer
 
   # Applies a change to the buffer based on its old range and new text.
   applyChange: (change, pushToHistory = false) ->
-    {newStart, oldExtent, oldText, newText, normalizeLineEndings} = change
+    {newStart, oldStart, oldEnd, oldText, newText, normalizeLineEndings} = change
     @cachedText = null
 
+    oldExtent = traversal(oldEnd, oldStart)
     start = Point.fromObject(newStart)
     oldRange = Range(start, start.traverse(oldExtent))
     oldRange.freeze()
@@ -693,6 +702,7 @@ class TextBuffer
     newRange.freeze()
 
     if pushToHistory
+      change.oldExtent ?= oldExtent
       change.newExtent ?= newExtent
       @history?.pushChange(change)