Merge pull request #2404 from SomMeri/important-with-nested-mixin-v2-2394

Important on parametrized mixin

Author: lukeapage

lib/less/tree/ruleset.js

@@ -182,15 +182,15 @@ Ruleset.prototype.evalImports = function(context) {
     }
 };
 Ruleset.prototype.makeImportant = function() {
-    return new Ruleset(this.selectors, this.rules.map(function (r) {
-                if (r.makeImportant) {
-                    return r.makeImportant();
-                } else {
-                    return r;
-                }
-            }), this.strictImports);
-};
-Ruleset.prototype.matchArgs = function (args) {
+    this.rules = this.rules.map(function (r) {
+        if (r.makeImportant) {
+            return r.makeImportant();
+        } else {
+            return r;
+        }
+    });
+    return this;
+};Ruleset.prototype.matchArgs = function (args) {
     return !args || args.length === 0;
 };
 // lets you call a css selector with a guard

test/css/mixins-important.css

@@ -43,3 +43,9 @@
 .class .inner {
   test: 9;
 }
+.when-calling-nested-issue-2394 {
+  width: auto !important;
+}
+.when-calling-nested-with-param-issue-2394 {
+  width: 10px !important;
+}

test/less/mixins-important.less

@@ -23,3 +23,15 @@
   .mixin !important;
   .mixin(9);
 }
+.size(@aaa: auto) {
+  .set-width(@aaa) {
+    width: @aaa;
+  }
+  .set-width(@aaa);
+}
+.when-calling-nested-issue-2394 {
+  .size() !important;
+}
+.when-calling-nested-with-param-issue-2394 {
+  .size(10px) !important;
+}