1 files changed, 16 insertions, 3 deletions
diff --git a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/AtRuleNoUnknown.java b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/AtRuleNoUnknown.java
index 0683f35..756d822 100644
--- a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/AtRuleNoUnknown.java
+++ b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/AtRuleNoUnknown.java
@@ -20,12 +20,20 @@
 package org.sonar.css.plugin.rules;
 
 import java.util.Arrays;
-import java.util.List;
 import org.sonar.check.Rule;
+import org.sonar.check.RuleProperty;
 
 @Rule(key = "S4662")
 public class AtRuleNoUnknown implements CssRule {
 
+  private static final String DEFAULT_IGNORED_AT_RULES = "content,debug,each,else,for,function,if,include,mixin,return,while";
+
+  @RuleProperty(
+    key = "ignoreAtRules",
+    description = "Comma-separated list of \"at-rules\" to consider as valid.",
+    defaultValue = "" + DEFAULT_IGNORED_AT_RULES)
+  String ignoredAtRules = DEFAULT_IGNORED_AT_RULES;
+
   @Override
   public String stylelintKey() {
     return "at-rule-no-unknown";
@@ -33,10 +41,15 @@ public class AtRuleNoUnknown implements CssRule {
 
   @Override
   public Object stylelintOptions() {
-    return Arrays.asList(true, new StylelintIgnoreOption());
+    return Arrays.asList(true, new StylelintIgnoreOption(ignoredAtRules.split(",")));
   }
 
   private static class StylelintIgnoreOption {
-    private final List<String> ignoreAtRules = Arrays.asList("debug", "each", "else", "for", "function", "if", "include", "mixin", "return", "while");
+    // Used by GSON serialization
+    private final String[] ignoreAtRules;
+
+    StylelintIgnoreOption(String[] ignoreAtRules) {
+      this.ignoreAtRules = ignoreAtRules;
+    }
   }
 }