Rule S4655: '!important' should not be used on 'keyframes' (#61)

5 files changed, 78 insertions, 5 deletions

diff --git a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRules.java b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRules.java
index 9e3a3b2..fe625d5 100644
--- a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRules.java
+++ b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/CssRules.java
@@ -24,6 +24,7 @@ import org.sonar.api.batch.rule.Checks;
 import org.sonar.api.rule.RuleKey;
 import org.sonar.css.plugin.rules.CommentNoEmpty;
 import org.sonar.css.plugin.rules.CssRule;
+import org.sonar.css.plugin.rules.KeyframeDeclarationNoImportant;
 import org.sonar.css.plugin.rules.NoEmptySource;
 import org.sonar.css.plugin.rules.ColorNoInvalidHex;
 import org.sonar.css.plugin.rules.StringNoNewline;
@@ -54,11 +55,12 @@ public class CssRules {
 
   public static List<Class> getRuleClasses() {
     return Collections.unmodifiableList(Arrays.asList(
-        ColorNoInvalidHex.class,
-        CommentNoEmpty.class,
-        NoEmptySource.class,
-        StringNoNewline.class,
-        UnitNoUnknown.class
+      ColorNoInvalidHex.class,
+      CommentNoEmpty.class,
+      KeyframeDeclarationNoImportant.class,
+      NoEmptySource.class,
+      StringNoNewline.class,
+      UnitNoUnknown.class
     ));
   }
 
diff --git a/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/KeyframeDeclarationNoImportant.java b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/KeyframeDeclarationNoImportant.java
new file mode 100644
index 0000000..503f1ad
--- /dev/null
+++ b/sonar-css-plugin/src/main/java/org/sonar/css/plugin/rules/KeyframeDeclarationNoImportant.java
@@ -0,0 +1,31 @@
+/*
+ * SonarCSS
+ * Copyright (C) 2018-2018 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.css.plugin.rules;
+
+import org.sonar.check.Rule;
+
+@Rule(key = "S4655")
+public class KeyframeDeclarationNoImportant implements CssRule {
+
+  @Override
+  public String stylelintKey() {
+    return "keyframe-declaration-no-important";
+  }
+}
diff --git a/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/S4655.html b/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/S4655.html
new file mode 100644
index 0000000..e0653cf
--- /dev/null
+++ b/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/S4655.html
@@ -0,0 +1,23 @@
+<p><code>!important</code> within keyframes declarations is completely ignored in some browsers and therefore it should not be used to be consistent
+among all browsers.</p>
+<h2>Noncompliant Code Example</h2>
+<pre>
+@keyframes kf {
+  from { margin-top: 50px; }
+  50%  { margin-top: 150px !important; } /* Noncompliant; ignored */
+  to   { margin-top: 100px; }
+}
+</pre>
+<h2>Compliant Solution</h2>
+<pre>
+@keyframes kf {
+  from { margin-top: 50px; }
+  50%  { margin-top: 150px; }
+  to   { margin-top: 100px; }
+}
+</pre>
+<h2>See</h2>
+<ul>
+  <li> https://developer.mozilla.org/en-US/docs/Web/CSS/@keyframes#!important_in_a_keyframe </li>
+</ul>
+
diff --git a/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/S4655.json b/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/S4655.json
new file mode 100644
index 0000000..75a203f
--- /dev/null
+++ b/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/S4655.json
@@ -0,0 +1,16 @@
+{
+  "title": "\"!important\" should not be used on \"keyframes\"",
+  "type": "BUG",
+  "status": "ready",
+  "remediation": {
+    "func": "Constant\/Issue",
+    "constantCost": "1min"
+  },
+  "tags": [
+    
+  ],
+  "defaultSeverity": "Major",
+  "ruleSpecification": "RSPEC-4655",
+  "sqKey": "S4655",
+  "scope": "Main"
+}
diff --git a/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/Sonar_way_profile.json b/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/Sonar_way_profile.json
index 613e33f..8f0de75 100644
--- a/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/Sonar_way_profile.json
+++ b/sonar-css-plugin/src/main/resources/org/sonar/l10n/css/rules/css/Sonar_way_profile.json
@@ -4,6 +4,7 @@
     "S4647",
     "S4652",
     "S4653",
+    "S4655",
     "S4663",
     "S4667"
   ]