1 files changed, 69 insertions, 0 deletions
diff --git a/node_modules/clean-css/lib/optimizer/restore-from-optimizing.js b/node_modules/clean-css/lib/optimizer/restore-from-optimizing.js
new file mode 100644
index 00000000..ebd69c2a
--- /dev/null
+++ b/node_modules/clean-css/lib/optimizer/restore-from-optimizing.js
@@ -0,0 +1,69 @@
+var Hack = require('./hack');
+
+var Marker = require('../tokenizer/marker');
+
+var ASTERISK_HACK = '*';
+var BACKSLASH_HACK = '\\';
+var IMPORTANT_TOKEN = '!important';
+var UNDERSCORE_HACK = '_';
+var BANG_HACK = '!ie';
+
+function restoreFromOptimizing(properties, restoreCallback) {
+  var property;
+  var restored;
+  var current;
+  var i;
+
+  for (i = properties.length - 1; i >= 0; i--) {
+    property = properties[i];
+
+    if (property.unused) {
+      continue;
+    }
+
+    if (!property.dirty && !property.important && !property.hack) {
+      continue;
+    }
+
+    if (restoreCallback) {
+      restored = restoreCallback(property);
+      property.value = restored;
+    } else {
+      restored = property.value;
+    }
+
+    if (property.important) {
+      restoreImportant(property);
+    }
+
+    if (property.hack) {
+      restoreHack(property);
+    }
+
+    if ('all' in property) {
+      current = property.all[property.position];
+      current[1][1] = property.name;
+
+      current.splice(2, current.length - 1);
+      Array.prototype.push.apply(current, restored);
+    }
+  }
+}
+
+function restoreImportant(property) {
+  property.value[property.value.length - 1][1] += IMPORTANT_TOKEN;
+}
+
+function restoreHack(property) {
+  if (property.hack[0] == Hack.UNDERSCORE) {
+    property.name = UNDERSCORE_HACK + property.name;
+  } else if (property.hack[0] == Hack.ASTERISK) {
+    property.name = ASTERISK_HACK + property.name;
+  } else if (property.hack[0] == Hack.BACKSLASH) {
+    property.value[property.value.length - 1][1] += BACKSLASH_HACK + property.hack[1];
+  } else if (property.hack[0] == Hack.BANG) {
+    property.value[property.value.length - 1][1] += Marker.SPACE + BANG_HACK;
+  }
+}
+
+module.exports = restoreFromOptimizing;