anderssvendal · July 4, 2012 11:21 · Jul 4, 2012 · Jul 4, 2012
diff --git a/price.coffee b/price.coffee
@@ -9,7 +9,7 @@ formatPrice = (price)->
   i = price.length
   segments = []
   while i > 0
-    i = Math.min(Math.max(0, i - 3))
+    i = Math.max(0, i - 3)
     length =
       if i == 0 and parseInt(iterations) != iterations
         price.length - (Math.floor(price.length / 3) * 3)

diff --git a/price.coffee b/price.coffee
@@ -0,0 +1,29 @@
+formatPrice = (price)->
+  return '0' if isNaN(price)
+  price = price + ''
+  price = price.split(/\./)
+  decimals = price[1]
+  price = price[0]
+
+  iterations = price.length / 3
+  i = price.length
+  segments = []
+  while i > 0
+    i = Math.min(Math.max(0, i - 3))
+    length =
+      if i == 0 and parseInt(iterations) != iterations
+        price.length - (Math.floor(price.length / 3) * 3)
+      else
+        3
+    segments.unshift(price.substr(i, length))
+
+  result = segments.join(' ') + formatDecimals(decimals)
+  result
+
+formatDecimals = (decimals)->
+  return '' unless decimals?
+  decimals = decimals + '0' if decimals.length == 1
+  decimals = decimals.substr(0,2) if decimals.length > 2
+  ",#{decimals}"
+
+console.log formatPrice(30000)