flow like the river

VISUALIZACION/node_modules/autoprefixer/lib/hacks/writing-mode.js

@@ -0,0 +1,38 @@
+(function() {
+  var Declaration, WritingMode,
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty;
+
+  Declaration = require('../declaration');
+
+  WritingMode = (function(superClass) {
+    extend(WritingMode, superClass);
+
+    function WritingMode() {
+      return WritingMode.__super__.constructor.apply(this, arguments);
+    }
+
+    WritingMode.names = ['writing-mode'];
+
+    WritingMode.msValues = {
+      'horizontal-tb': 'lr-tb',
+      'vertical-rl': 'tb-rl',
+      'vertical-lr': 'tb-lr'
+    };
+
+    WritingMode.prototype.set = function(decl, prefix) {
+      if (prefix === '-ms-') {
+        decl.value = WritingMode.msValues[decl.value] || decl.value;
+        return WritingMode.__super__.set.call(this, decl, prefix);
+      } else {
+        return WritingMode.__super__.set.apply(this, arguments);
+      }
+    };
+
+    return WritingMode;
+
+  })(Declaration);
+
+  module.exports = WritingMode;
+
+}).call(this);