This should fix any problems caused by the checkDimensions refactor

builds/4chan-X.user.js

@@ -6383,7 +6383,7 @@
       if (/^text\//.test(file.type)) {
         if (isSingle) {
           post = QR.selected;
-        } else if (index !== 0 || (post = QR.posts[QR.posts.length - 1]).com) {
+        } else if ((post = QR.posts[QR.posts.length - 1]).com) {
           post = new QR.post();
         }
         post.pasteText(file);
@@ -6391,9 +6391,7 @@
       }
       if (_ref = file.type, __indexOf.call(QR.mimeTypes, _ref) < 0) {
         QR.error("" + file.name + ": Unsupported file type.");
-        if (!isSingle) {
+        return;
-          return;
-        }
       }
       max = QR.nodes.fileInput.max;
       if (/^video\//.test(file.type)) {
@@ -6401,20 +6399,14 @@
       }
       if (file.size > max) {
         QR.error("" + file.name + ": File too large (file: " + ($.bytesToString(file.size)) + ", max: " + ($.bytesToString(max)) + ").");
-        if (!isSingle) {
+        return;
-          return;
-        }
       }
       if (isSingle) {
         post = QR.selected;
-      } else if (index !== 0 || (post = QR.posts[QR.posts.length - 1]).file) {
+      } else if ((post = QR.posts[QR.posts.length - 1]).file) {
         post = new QR.post();
       }
-      if (/^text/.test(file.type)) {
+      return post.setFile(file);
-        return post.pasteText(file);
-      } else {
-        return post.setFile(file);
-      }
     },
     openFileInput: function(e) {
       var _ref;
@@ -7483,7 +7475,7 @@
       }
     };
 
-    _Class.prototype.setFile = function(file, el) {
+    _Class.prototype.setFile = function(file) {
       this.file = file;
       this.filename = file.name;
       this.filesize = $.bytesToString(file.size);
@@ -7497,8 +7489,10 @@
         this.updateFilename();
       }
       if (!/^(image|video)\//.test(file.type)) {
-        return this.nodes.el.style.backgroundImage = null;
+        this.nodes.el.style.backgroundImage = null;
+        return;
       }
+      return this.setThumbnail();
     };
 
     _Class.prototype.setThumbnail = function(el) {
@@ -7515,7 +7509,11 @@
               QR.error(error);
             }
             _this.URL = fileURL;
-            return _this.rmFile();
+            if ((QR.posts.length === 1) || (_this.com && _this.com.length)) {
+              return _this.rmFile();
+            } else {
+              return _this.rm();
+            }
           }
           s = 90 * 2 * window.devicePixelRatio;
           if (_this.file.type === 'image/gif') {

builds/crx/script.js

@@ -6441,7 +6441,7 @@
       if (/^text\//.test(file.type)) {
         if (isSingle) {
           post = QR.selected;
-        } else if (index !== 0 || (post = QR.posts[QR.posts.length - 1]).com) {
+        } else if ((post = QR.posts[QR.posts.length - 1]).com) {
           post = new QR.post();
         }
         post.pasteText(file);
@@ -6449,9 +6449,7 @@
       }
       if (_ref = file.type, __indexOf.call(QR.mimeTypes, _ref) < 0) {
         QR.error("" + file.name + ": Unsupported file type.");
-        if (!isSingle) {
+        return;
-          return;
-        }
       }
       max = QR.nodes.fileInput.max;
       if (/^video\//.test(file.type)) {
@@ -6459,20 +6457,14 @@
       }
       if (file.size > max) {
         QR.error("" + file.name + ": File too large (file: " + ($.bytesToString(file.size)) + ", max: " + ($.bytesToString(max)) + ").");
-        if (!isSingle) {
+        return;
-          return;
-        }
       }
       if (isSingle) {
         post = QR.selected;
-      } else if (index !== 0 || (post = QR.posts[QR.posts.length - 1]).file) {
+      } else if ((post = QR.posts[QR.posts.length - 1]).file) {
         post = new QR.post();
       }
-      if (/^text/.test(file.type)) {
+      return post.setFile(file);
-        return post.pasteText(file);
-      } else {
-        return post.setFile(file);
-      }
     },
     openFileInput: function(e) {
       var _ref;
@@ -7524,7 +7516,7 @@
       }
     };
 
-    _Class.prototype.setFile = function(file, el) {
+    _Class.prototype.setFile = function(file) {
       this.file = file;
       this.filename = file.name;
       this.filesize = $.bytesToString(file.size);
@@ -7538,8 +7530,10 @@
         this.updateFilename();
       }
       if (!/^(image|video)\//.test(file.type)) {
-        return this.nodes.el.style.backgroundImage = null;
+        this.nodes.el.style.backgroundImage = null;
+        return;
       }
+      return this.setThumbnail();
     };
 
     _Class.prototype.setThumbnail = function(el) {
@@ -7556,7 +7550,11 @@
               QR.error(error);
             }
             _this.URL = fileURL;
-            return _this.rmFile();
+            if ((QR.posts.length === 1) || (_this.com && _this.com.length)) {
+              return _this.rmFile();
+            } else {
+              return _this.rm();
+            }
           }
           s = 90 * 2 * window.devicePixelRatio;
           if (_this.file.type === 'image/gif') {

src/Posting/QR.coffee

@@ -360,26 +360,23 @@ QR =
     if /^text\//.test file.type
       if isSingle
         post = QR.selected
-      else if index isnt 0 or (post = QR.posts[QR.posts.length - 1]).com
+      else if (post = QR.posts[QR.posts.length - 1]).com
         post = new QR.post()
       post.pasteText file
       return
     unless file.type in QR.mimeTypes
       QR.error "#{file.name}: Unsupported file type."
-      return unless isSingle
+      return
     max = QR.nodes.fileInput.max
     max = Math.min(max, QR.max_size_video) if /^video\//.test file.type
     if file.size > max
       QR.error "#{file.name}: File too large (file: #{$.bytesToString file.size}, max: #{$.bytesToString max})."
-      return unless isSingle
+      return
     if isSingle
       post = QR.selected
-    else if index isnt 0 or (post = QR.posts[QR.posts.length - 1]).file
+    else if (post = QR.posts[QR.posts.length - 1]).file
       post = new QR.post()
-    if /^text/.test file.type
+    post.setFile file
-      return post.pasteText file
-    else
-      post.setFile file
 
   openFileInput: (e) ->
     e.stopPropagation()

src/Posting/QR.post.coffee

@@ -82,6 +82,7 @@ QR.post = class
       (QR.posts[index-1] or QR.posts[index+1]).select()
     QR.posts.splice index, 1
     QR.status()
+
   delete: ->
     $.rm @nodes.el
     URL.revokeObjectURL @URL
@@ -156,7 +157,7 @@ QR.post = class
       @save node
     return
 
-  setFile: (@file, el) ->
+  setFile: (@file) ->
     @filename = file.name
     @filesize = $.bytesToString file.size
     @nodes.label.hidden = false if QR.spoiler
@@ -167,6 +168,8 @@ QR.post = class
       @updateFilename()
     unless /^(image|video)\//.test file.type
       @nodes.el.style.backgroundImage = null
+      return
+    @setThumbnail()
 
   setThumbnail: (el) ->
     # Create a redimensioned thumbnail.
@@ -179,7 +182,7 @@ QR.post = class
       if errors.length
         QR.error error for error in errors
         @URL = fileURL # this.removeFile will revoke this proper.
-        return @rmFile()
+        return if (QR.posts.length is 1) or (@com and @com.length) then @rmFile() else @rm() # I wrote this while listening to MCR
 
       # Generate thumbnails only if they're really big.
       # Resized pictures through canvases look like ass,