flow like the river

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

@@ -0,0 +1,68 @@
+(function() {
+  var OldSelector;
+
+  OldSelector = (function() {
+    function OldSelector(selector, prefix1) {
+      var i, len, prefix, ref;
+      this.prefix = prefix1;
+      this.prefixed = selector.prefixed(this.prefix);
+      this.regexp = selector.regexp(this.prefix);
+      this.prefixeds = [];
+      ref = selector.possible();
+      for (i = 0, len = ref.length; i < len; i++) {
+        prefix = ref[i];
+        this.prefixeds.push([selector.prefixed(prefix), selector.regexp(prefix)]);
+      }
+      this.unprefixed = selector.name;
+      this.nameRegexp = selector.regexp();
+    }
+
+    OldSelector.prototype.isHack = function(rule) {
+      var before, i, index, len, ref, ref1, regexp, rules, some, string;
+      index = rule.parent.index(rule) + 1;
+      rules = rule.parent.nodes;
+      while (index < rules.length) {
+        before = rules[index].selector;
+        if (!before) {
+          return true;
+        }
+        if (before.indexOf(this.unprefixed) !== -1 && before.match(this.nameRegexp)) {
+          return false;
+        }
+        some = false;
+        ref = this.prefixeds;
+        for (i = 0, len = ref.length; i < len; i++) {
+          ref1 = ref[i], string = ref1[0], regexp = ref1[1];
+          if (before.indexOf(string) !== -1 && before.match(regexp)) {
+            some = true;
+            break;
+          }
+        }
+        if (!some) {
+          return true;
+        }
+        index += 1;
+      }
+      return true;
+    };
+
+    OldSelector.prototype.check = function(rule) {
+      if (rule.selector.indexOf(this.prefixed) === -1) {
+        return false;
+      }
+      if (!rule.selector.match(this.regexp)) {
+        return false;
+      }
+      if (this.isHack(rule)) {
+        return false;
+      }
+      return true;
+    };
+
+    return OldSelector;
+
+  })();
+
+  module.exports = OldSelector;
+
+}).call(this);