🚱 Fix mini editor leak

Previously, we were overriding Editor::destroy, which is now provided
by telepath. Since the real destroy wasn't being called, we were failing
to remove editors associated with mini editor views.

package.json

@@ -44,7 +44,7 @@
     "season": "0.14.0",
     "semver": "1.1.4",
     "space-pen": "2.0.2",
-    "telepath": "0.80.0",
+    "telepath": "0.81.0",
     "temp": "0.5.0",
     "underscore-plus": "0.6.1"
   },

spec/editor-view-spec.coffee

@@ -123,7 +123,7 @@ describe "EditorView", ->
   describe ".remove()", ->
     it "destroys the edit session", ->
       editorView.remove()
-      expect(editorView.editor.destroyed).toBeTruthy()
+      expect(editorView.editor.isDestroyed()).toBe true
 
   describe ".edit(editor)", ->
     [newEditor, newBuffer] = []

spec/pane-spec.coffee

@@ -143,7 +143,7 @@ describe "Pane", ->
       it "removes the item and tries to call destroy on it", ->
         pane.destroyItem(editor2)
         expect(pane.getItems().indexOf(editor2)).toBe -1
-        expect(editor2.destroyed).toBeTruthy()
+        expect(editor2.isDestroyed()).toBe true
 
     describe "if the item is modified", ->
       beforeEach ->
@@ -162,7 +162,7 @@ describe "Pane", ->
 
             expect(editor2.save).toHaveBeenCalled()
             expect(pane.getItems().indexOf(editor2)).toBe -1
-            expect(editor2.destroyed).toBeTruthy()
+            expect(editor2.isDestroyed()).toBe true
 
         describe "when the item has no uri", ->
           it "presents a save-as dialog, then saves the item with the given uri before removing and destroying it", ->
@@ -176,7 +176,7 @@ describe "Pane", ->
 
             expect(editor2.saveAs).toHaveBeenCalledWith("/selected/path")
             expect(pane.getItems().indexOf(editor2)).toBe -1
-            expect(editor2.destroyed).toBeTruthy()
+            expect(editor2.isDestroyed()).toBe true
 
       describe "if the [Don't Save] option is selected", ->
         it "removes and destroys the item without saving it", ->
@@ -185,7 +185,7 @@ describe "Pane", ->
 
           expect(editor2.save).not.toHaveBeenCalled()
           expect(pane.getItems().indexOf(editor2)).toBe -1
-          expect(editor2.destroyed).toBeTruthy()
+          expect(editor2.isDestroyed()).toBe true
 
       describe "if the [Cancel] option is selected", ->
         it "does not save, remove, or destroy the item", ->
@@ -194,7 +194,7 @@ describe "Pane", ->
 
           expect(editor2.save).not.toHaveBeenCalled()
           expect(pane.getItems().indexOf(editor2)).not.toBe -1
-          expect(editor2.destroyed).toBeFalsy()
+          expect(editor2.isDestroyed()).toBe false
 
   describe "::removeItem(item)", ->
     it "removes the item from the items list and shows the next item if it was showing", ->
@@ -290,7 +290,7 @@ describe "Pane", ->
 
         expect(pane.hasParent()).toBeFalsy()
         expect(pane2.getItems()).toEqual [view3, editor1]
-        expect(editor1.destroyed).toBeFalsy()
+        expect(editor1.isDestroyed()).toBe false
 
     describe "when the item is a jQuery object", ->
       it "preserves data by detaching instead of removing", ->
@@ -304,14 +304,14 @@ describe "Pane", ->
       pane.showItem(editor1)
       pane.trigger 'pane:close'
       expect(pane.hasParent()).toBeFalsy()
-      expect(editor2.destroyed).toBeTruthy()
-      expect(editor1.destroyed).toBeTruthy()
+      expect(editor2.isDestroyed()).toBe true
+      expect(editor1.isDestroyed()).toBe true
 
   describe "pane:close-other-items", ->
     it "destroys all items except the current", ->
       pane.showItem(editor1)
       pane.trigger 'pane:close-other-items'
-      expect(editor2.destroyed).toBeTruthy()
+      expect(editor2.isDestroyed()).toBe true
       expect(pane.getItems()).toEqual [editor1]
 
   describe "::saveActiveItem()", ->
@@ -423,8 +423,8 @@ describe "Pane", ->
   describe "::remove()", ->
     it "destroys all the pane's items", ->
       pane.remove()
-      expect(editor1.destroyed).toBeTruthy()
-      expect(editor2.destroyed).toBeTruthy()
+      expect(editor1.isDestroyed()).toBe true
+      expect(editor2.isDestroyed()).toBe true
 
     it "triggers a 'pane:removed' event with the pane", ->
       removedHandler = jasmine.createSpy("removedHandler")

src/editor-view.coffee

@@ -1229,7 +1229,7 @@ class EditorView extends View
 
   updateDisplay: (options={}) ->
     return unless @attached and @editor
-    return if @editor.destroyed
+    return if @editor.isDestroyed()
     unless @isOnDom() and @isVisible()
       @redrawOnReattach = true
       return

src/editor.coffee

@@ -126,9 +126,7 @@ class Editor extends Model
     require './editor-view'
 
   # Private:
-  destroy: ->
-    return if @destroyed
-    @destroyed = true
+  destroyed: ->
     @unsubscribe()
     selection.destroy() for selection in @getSelections()
     @buffer.release()

src/pane.coffee

@@ -192,7 +192,7 @@ class Pane extends View
   handleItemEvents: (item) ->
     if _.isFunction(item.on)
       @subscribe item, 'destroyed', =>
-        @destroyItem(item) if @state.isAlive()
+        @destroyItem(item, updateState: false) if @state.isAlive()
 
   # Public: Remove the currently active item.
   destroyActiveItem: =>
@@ -200,13 +200,13 @@ class Pane extends View
     false
 
   # Public: Remove the specified item.
-  destroyItem: (item) ->
+  destroyItem: (item, options) ->
     @unsubscribe(item) if _.isFunction(item.off)
     @trigger 'pane:before-item-destroyed', [item]
 
     if @promptToSaveItem(item)
       @getContainer()?.itemDestroyed(item)
-      @removeItem(item)
+      @removeItem(item, options)
       item.destroy?()
       true
     else

src/selection.coffee

@@ -21,7 +21,7 @@ class Selection
     @marker.on 'destroyed', =>
       @destroyed = true
       @editor.removeSelection(this)
-      @emit 'destroyed' unless @editor.destroyed
+      @emit 'destroyed' unless @editor.isDestroyed()
 
   # Private:
   destroy: ->