Fixed: regression from 1.2.5 on calc() with value without leading 0

Author: MoOx

CHANGELOG.md

@@ -1,3 +1,6 @@
+- Fixed: regression from 1.2.5 on calc() with value without leading 0
+  (@MoOx)
+
 # 1.2.6 - 2016-08-22
 
 - Fixed: regression from 1.2.5 on calc() on multiple lines

index.js

@@ -35,7 +35,7 @@ function reduceCSSCalc(value, decimalPrecision) {
   value = value
     // CSS allow to omit 0 for 0.* values,
     // but math-expression-evaluator does not
-    .replace(/\s(\.[0-9])/g, " 0$1")
+    .replace(/(\s|\()(\.[0-9])/g, "$10$2")
 
     // allow calc() on multiple lines
     .replace(/\n+/g, " ")

test/index.js

@@ -122,3 +122,8 @@ test("should handle calc() on multiple lines", function(t) {
   t.equal(reduceCSSCalc("calc(\n\n  1 +\n 1\n\n)"), "2", "addition")
   t.end()
 })
+
+test("should handle calc() with values without leading 0", function(t) {
+  t.equal(reduceCSSCalc("calc(.1 + .1 + 1.1 + 0.2)"), "1.5", "addition")
+  t.end()
+})