flow like the river

VISUALIZACION/node_modules/autoprefixer/lib/old-value.js

@@ -0,0 +1,30 @@
+(function() {
+  var OldValue, utils;
+
+  utils = require('./utils');
+
+  OldValue = (function() {
+    function OldValue(unprefixed, prefixed, string, regexp) {
+      this.unprefixed = unprefixed;
+      this.prefixed = prefixed;
+      this.string = string;
+      this.regexp = regexp;
+      this.regexp || (this.regexp = utils.regexp(this.prefixed));
+      this.string || (this.string = this.prefixed);
+    }
+
+    OldValue.prototype.check = function(value) {
+      if (value.indexOf(this.string) !== -1) {
+        return !!value.match(this.regexp);
+      } else {
+        return false;
+      }
+    };
+
+    return OldValue;
+
+  })();
+
+  module.exports = OldValue;
+
+}).call(this);