add stripping of blank lines. Closes reworkcss#14

Author: tj

index.js

@@ -3,8 +3,8 @@
  * Module dependencies.
  */
 
-var parse = require('./lib/parser')
-  , compile = require('./lib/compiler');
+var parse = require('./lib/parser');
+var compile = require('./lib/compiler');
 
 /**
  * Compile a whitespace significant
@@ -18,4 +18,4 @@ var parse = require('./lib/parser')
 
 module.exports = function(str){
   return compile(parse(str));
-};
+};

lib/compiler.js

@@ -3,8 +3,8 @@
  * Module dependencies.
  */
 
-var debug = require('debug')('css-whitespace:parser')
-  , util = require('util');
+var debug = require('debug')('css-whitespace:parser');
+var util = require('util');
 
 /**
  * Compile the given `node`.

lib/lexer.js

@@ -53,8 +53,12 @@ var propre = new RegExp('^ *([-\\w]+):(?!' + pseudos + ') *([^\n]*)');
  */
 
 module.exports = function(str) {
-  var indents = [0]
-    , stash = [];
+  var indents = [0];
+  var stash = [];
+
+  // strip blanks
+  str = str.replace(/\r/g, '');
+  str = str.replace(/\n\s*\n/gm, '\n');
 
   return scan();
 

lib/parser.js

@@ -2,9 +2,9 @@
  * Module dependencies.
  */
 
-var scan = require('./lexer')
-  , util = require('util')
-  , debug = require('debug')('css-whitespace:lexer');
+var debug = require('debug')('css-whitespace:lexer');
+var scan = require('./lexer');
+var util = require('util');
 
 /**
  * Parse the given `str`, returning an AST.
@@ -107,4 +107,4 @@ module.exports = function(str) {
     if (is('indent')) rule.push(block());
     return rule;
   }
-}
+}

test/cases/whitespace.css

@@ -0,0 +1,12 @@
+
+body
+  ul
+    
+    li
+      
+     
+     
+       a
+         color: blue
+   	 
+         text-align: center

test/cases/whitespace.out.css

@@ -0,0 +1,4 @@
+body ul li a {
+  color: blue;
+  text-align: center;
+}