node fixes, updates

1 files changed, 55 insertions, 0 deletions

diff --git a/node_modules/clean-css/lib/optimizer/level-2/merge-adjacent.js b/node_modules/clean-css/lib/optimizer/level-2/merge-adjacent.js
new file mode 100644
index 00000000..7873aa1b
--- /dev/null
+++ b/node_modules/clean-css/lib/optimizer/level-2/merge-adjacent.js
@@ -0,0 +1,55 @@
+var isMergeable = require('./is-mergeable');
+
+var optimizeProperties = require('./properties/optimize');
+
+var sortSelectors = require('../level-1/sort-selectors');
+var tidyRules = require('../level-1/tidy-rules');
+
+var OptimizationLevel = require('../../options/optimization-level').OptimizationLevel;
+
+var serializeBody = require('../../writer/one-time').body;
+var serializeRules = require('../../writer/one-time').rules;
+
+var Token = require('../../tokenizer/token');
+
+function mergeAdjacent(tokens, context) {
+  var lastToken = [null, [], []];
+  var options = context.options;
+  var adjacentSpace = options.compatibility.selectors.adjacentSpace;
+  var selectorsSortingMethod = options.level[OptimizationLevel.One].selectorsSortingMethod;
+  var mergeablePseudoClasses = options.compatibility.selectors.mergeablePseudoClasses;
+  var mergeablePseudoElements = options.compatibility.selectors.mergeablePseudoElements;
+  var mergeLimit = options.compatibility.selectors.mergeLimit;
+  var multiplePseudoMerging = options.compatibility.selectors.multiplePseudoMerging;
+
+  for (var i = 0, l = tokens.length; i < l; i++) {
+    var token = tokens[i];
+
+    if (token[0] != Token.RULE) {
+      lastToken = [null, [], []];
+      continue;
+    }
+
+    if (lastToken[0] == Token.RULE && serializeRules(token[1]) == serializeRules(lastToken[1])) {
+      Array.prototype.push.apply(lastToken[2], token[2]);
+      optimizeProperties(lastToken[2], true, true, context);
+      token[2] = [];
+    } else if (lastToken[0] == Token.RULE && serializeBody(token[2]) == serializeBody(lastToken[2])
+        && isMergeable(serializeRules(token[1]), mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging)
+        && isMergeable(
+          serializeRules(lastToken[1]),
+          mergeablePseudoClasses,
+          mergeablePseudoElements,
+          multiplePseudoMerging
+        )
+        && lastToken[1].length < mergeLimit) {
+      lastToken[1] = tidyRules(lastToken[1].concat(token[1]), false, adjacentSpace, false, context.warnings);
+      lastToken[1] = lastToken.length > 1 ? sortSelectors(lastToken[1], selectorsSortingMethod) : lastToken[1];
+      token[2] = [];
+    } else {
+      lastToken = token;
+    }
+  }
+}
+
+module.exports = mergeAdjacent;