From a1103158551ace4232b613d290f5d193a7c5185f Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Sat, 26 Mar 2016 12:53:40 +0000
Subject: Multiple minor tweaks.

Some of this code is showing its age, so these are just a number of
minor tweaks (to keep things clear, consistent and concise).

Also, add a couple of tests (while we're at it).
---
 lib/clipboard.coffee | 2 +-
 lib/utils.coffee     | 6 ++----
 2 files changed, 3 insertions(+), 5 deletions(-)

(limited to 'lib')

diff --git a/lib/clipboard.coffee b/lib/clipboard.coffee
index f0fb83b1..af143dd9 100644
--- a/lib/clipboard.coffee
+++ b/lib/clipboard.coffee
@@ -6,7 +6,7 @@ Clipboard =
     textArea
 
   # http://groups.google.com/group/chromium-extensions/browse_thread/thread/49027e7f3b04f68/f6ab2457dee5bf55
-  copy: (data) ->
+  copy: ({data}) ->
     textArea = @_createTextArea()
     textArea.value = data
 
diff --git a/lib/utils.coffee b/lib/utils.coffee
index 3b2a59a4..31bb47b6 100644
--- a/lib/utils.coffee
+++ b/lib/utils.coffee
@@ -162,10 +162,8 @@ Utils =
 
   # Transform "zjkjkabz" into "abjkz".
   distinctCharacters: (str) ->
-    unique = ""
-    for char in str.split("").sort()
-      unique += char unless 0 <= unique.indexOf char
-    unique
+    chars = str.split("").sort()
+    (ch for ch, index in chars when index == 0 or ch != chars[index-1]).join ""
 
   # Compares two version strings (e.g. "1.1" and "1.5") and returns
   # -1 if versionA is < versionB, 0 if they're equal, and 1 if versionA is > versionB.
-- 
cgit v1.2.3