flow like the river

VISUALIZACION/node_modules/autoprefixer/lib/hacks/flex-direction.js

@@ -0,0 +1,71 @@
+(function() {
+  var Declaration, FlexDirection, flexSpec,
+    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;
+
+  flexSpec = require('./flex-spec');
+
+  Declaration = require('../declaration');
+
+  FlexDirection = (function(superClass) {
+    extend(FlexDirection, superClass);
+
+    function FlexDirection() {
+      return FlexDirection.__super__.constructor.apply(this, arguments);
+    }
+
+    FlexDirection.names = ['flex-direction', 'box-direction', 'box-orient'];
+
+    FlexDirection.prototype.normalize = function(prop) {
+      return 'flex-direction';
+    };
+
+    FlexDirection.prototype.insert = function(decl, prefix, prefixes) {
+      var already, cloned, dir, orient, ref, spec, value;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
+      if (spec !== 2009) {
+        return FlexDirection.__super__.insert.apply(this, arguments);
+      } else {
+        already = decl.parent.some(function(i) {
+          return i.prop === prefix + 'box-orient' || i.prop === prefix + 'box-direction';
+        });
+        if (already) {
+          return;
+        }
+        value = decl.value;
+        orient = value.indexOf('row') !== -1 ? 'horizontal' : 'vertical';
+        dir = value.indexOf('reverse') !== -1 ? 'reverse' : 'normal';
+        cloned = this.clone(decl);
+        cloned.prop = prefix + 'box-orient';
+        cloned.value = orient;
+        if (this.needCascade(decl)) {
+          cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+        }
+        decl.parent.insertBefore(decl, cloned);
+        cloned = this.clone(decl);
+        cloned.prop = prefix + 'box-direction';
+        cloned.value = dir;
+        if (this.needCascade(decl)) {
+          cloned.raws.before = this.calcBefore(prefixes, decl, prefix);
+        }
+        return decl.parent.insertBefore(decl, cloned);
+      }
+    };
+
+    FlexDirection.prototype.old = function(prop, prefix) {
+      var ref, spec;
+      ref = flexSpec(prefix), spec = ref[0], prefix = ref[1];
+      if (spec === 2009) {
+        return [prefix + 'box-orient', prefix + 'box-direction'];
+      } else {
+        return FlexDirection.__super__.old.apply(this, arguments);
+      }
+    };
+
+    return FlexDirection;
+
+  })(Declaration);
+
+  module.exports = FlexDirection;
+
+}).call(this);