chore: update deps

node_modules/clean-css/lib/optimizer/level-2/merge-non-adjacent-by-body.js

@@ -0,0 +1,80 @@
+var isMergeable = require('./is-mergeable');
+
+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 unsafeSelector(value) {
+  return /\.|\*| :/.test(value);
+}
+
+function isBemElement(token) {
+  var asString = serializeRules(token[1]);
+  return asString.indexOf('__') > -1 || asString.indexOf('--') > -1;
+}
+
+function withoutModifier(selector) {
+  return selector.replace(/--[^ ,>\+~:]+/g, '');
+}
+
+function removeAnyUnsafeElements(left, candidates) {
+  var leftSelector = withoutModifier(serializeRules(left[1]));
+
+  for (var body in candidates) {
+    var right = candidates[body];
+    var rightSelector = withoutModifier(serializeRules(right[1]));
+
+    if (rightSelector.indexOf(leftSelector) > -1 || leftSelector.indexOf(rightSelector) > -1)
+      delete candidates[body];
+  }
+}
+
+function mergeNonAdjacentByBody(tokens, context) {
+  var options = context.options;
+  var mergeSemantically = options.level[OptimizationLevel.Two].mergeSemantically;
+  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 multiplePseudoMerging = options.compatibility.selectors.multiplePseudoMerging;
+  var candidates = {};
+
+  for (var i = tokens.length - 1; i >= 0; i--) {
+    var token = tokens[i];
+    if (token[0] != Token.RULE)
+      continue;
+
+    if (token[2].length > 0 && (!mergeSemantically && unsafeSelector(serializeRules(token[1]))))
+      candidates = {};
+
+    if (token[2].length > 0 && mergeSemantically && isBemElement(token))
+      removeAnyUnsafeElements(token, candidates);
+
+    var candidateBody = serializeBody(token[2]);
+    var oldToken = candidates[candidateBody];
+    if (oldToken &&
+        isMergeable(serializeRules(token[1]), mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging) &&
+        isMergeable(serializeRules(oldToken[1]), mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging)) {
+
+      if (token[2].length > 0) {
+        token[1] = tidyRules(oldToken[1].concat(token[1]), false, adjacentSpace, false, context.warnings);
+        token[1] = token[1].length > 1 ? sortSelectors(token[1], selectorsSortingMethod) : token[1];
+      } else {
+        token[1] = oldToken[1].concat(token[1]);
+      }
+
+      oldToken[2] = [];
+      candidates[candidateBody] = null;
+    }
+
+    candidates[serializeBody(token[2])] = token;
+  }
+}
+
+module.exports = mergeNonAdjacentByBody;