flow like the river

VISUALIZACION/node_modules/autoprefixer/lib/hacks/break-props.js

@@ -0,0 +1,64 @@
+(function() {
+  var BreakProps, Declaration,
+    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');
+
+  BreakProps = (function(superClass) {
+    extend(BreakProps, superClass);
+
+    function BreakProps() {
+      return BreakProps.__super__.constructor.apply(this, arguments);
+    }
+
+    BreakProps.names = ['break-inside', 'page-break-inside', 'column-break-inside', 'break-before', 'page-break-before', 'column-break-before', 'break-after', 'page-break-after', 'column-break-after'];
+
+    BreakProps.prototype.prefixed = function(prop, prefix) {
+      if (prefix === '-webkit-') {
+        return '-webkit-column-' + prop;
+      } else if (prefix === '-moz-') {
+        return 'page-' + prop;
+      } else {
+        return BreakProps.__super__.prefixed.apply(this, arguments);
+      }
+    };
+
+    BreakProps.prototype.normalize = function(prop) {
+      if (prop.indexOf('inside') !== -1) {
+        return 'break-inside';
+      } else if (prop.indexOf('before') !== -1) {
+        return 'break-before';
+      } else if (prop.indexOf('after') !== -1) {
+        return 'break-after';
+      }
+    };
+
+    BreakProps.prototype.set = function(decl, prefix) {
+      var v;
+      v = decl.value;
+      if (decl.prop === 'break-inside' && v === 'avoid-column' || v === 'avoid-page') {
+        decl.value = 'avoid';
+      }
+      return BreakProps.__super__.set.apply(this, arguments);
+    };
+
+    BreakProps.prototype.insert = function(decl, prefix, prefixes) {
+      if (decl.prop !== 'break-inside') {
+        return BreakProps.__super__.insert.apply(this, arguments);
+      } else if (decl.value === 'avoid-region') {
+
+      } else if (decl.value === 'avoid-page' && prefix === '-webkit-') {
+
+      } else {
+        return BreakProps.__super__.insert.apply(this, arguments);
+      }
+    };
+
+    return BreakProps;
+
+  })(Declaration);
+
+  module.exports = BreakProps;
+
+}).call(this);