Merge pull request #4036 from pestrada/4030-resize-textarea-after-commenting

reset comment box height after posting a comment

Changelog.md

@@ -2,6 +2,7 @@
 
 ## Bug fixes
 
+* reset comment box height after posting a comment. [#4030](https://github.com/diaspora/diaspora/issues/4030)
 * fade long tag names. [#3899](https://github.com/diaspora/diaspora/issues/3899)
 * avoid posting empty comments. [#3836](https://github.com/diaspora/diaspora/issues/3836)
 * Delegate parent_author to the target of a RelayableRetraction

app/assets/javascripts/app/views/comment_stream_view.js

@@ -41,12 +41,13 @@ app.views.CommentStream = app.views.Base.extend({
     if(evt){ evt.preventDefault(); }
     
     var commentText = $.trim(this.$('.comment_box').val());
+    this.$(".comment_box").val("");
+    this.$(".comment_box").css("height", "");
     if(commentText) {
       this.model.comment(commentText);
-      this.$(".comment_box").val("");
       return this;
     } else {
-      this.$(".comment_box").val("").focus();
+      this.$(".comment_box").focus();
     }
   },
 

spec/javascripts/app/views/comment_stream_view_spec.js

@@ -47,6 +47,12 @@ describe("app.views.CommentStream", function(){
       this.view.createComment();
       expect(this.view.$(".comment_box").val()).toEqual("");
     })
+    
+    it("resets comment box height", function() {
+      this.view.$(".comment_box").val('a new comment');
+      this.view.createComment();
+      expect(this.view.$(".comment_box").attr("style")).not.toContain("height");
+    })
   })
 
   describe("appendComment", function(){