From ea273c35353d6e5802ff7d0a33e952b3448b207b Mon Sep 17 00:00:00 2001
From: Juan Hernando <juan.hernando@netcentric.biz>
Date: Tue, 21 Jun 2022 12:41:00 +0200
Subject: [PATCH 1/3] feat: add bem selector-class-pattern stylelint rule

---
 index.js        | 11 ++++++++++-
 package.json    |  2 +-
 test/index.scss | 10 ++++++++++
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index e2d6fd4..aea0431 100644
--- a/index.js
+++ b/index.js
@@ -46,6 +46,15 @@ module.exports = {
     "declaration-no-important": true,
     "declaration-property-unit-allowed-list": {
       "font-size": ["px", "em"]
-    }
+    },
+
+    // bem
+    // https://github.com/postcss/postcss-bem-linter/issues/82#issuecomment-193851353
+    "selector-class-pattern": [
+      "^(?:(?:o|c|u|t|s|is|has|_|js|qa)-)?[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*(?:__[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*)?(?:--[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*)?(?:\\[.+\\])?$",
+      {
+        "message": "Expected class selector to match BEM naming convention"
+      }
+    ]
   }
 };
\ No newline at end of file
diff --git a/package.json b/package.json
index 2252693..b478c6b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@netcentric/stylelint-config",
   "description": "Netcentric's coding and style rules for Stylelint",
-  "version": "1.2.1",
+  "version": "1.3.0",
   "license": "Apache-2.0",
   "private": false,
   "publishConfig": {
diff --git a/test/index.scss b/test/index.scss
index 3c7c22c..e93170a 100644
--- a/test/index.scss
+++ b/test/index.scss
@@ -23,3 +23,13 @@
 .unsuported {
   display: flex;
 }
+
+/* bem ok */
+.block__element {
+  color: red;
+}
+
+/* bem error */
+.block_element {
+  color: red;
+}
\ No newline at end of file

From 81d6ee677a847fc666bbe2bd0e0e7f6fa1e1ba91 Mon Sep 17 00:00:00 2001
From: Juan Hernando <juan.hernando@netcentric.biz>
Date: Wed, 22 Jun 2022 10:43:58 +0200
Subject: [PATCH 2/3] Activate resolveNestedSelectors and add new test cases

---
 index.js        |  5 ++--
 test/index.scss | 67 ++++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 61 insertions(+), 11 deletions(-)

diff --git a/index.js b/index.js
index aea0431..93fca5d 100644
--- a/index.js
+++ b/index.js
@@ -51,9 +51,10 @@ module.exports = {
     // bem
     // https://github.com/postcss/postcss-bem-linter/issues/82#issuecomment-193851353
     "selector-class-pattern": [
-      "^(?:(?:o|c|u|t|s|is|has|_|js|qa)-)?[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*(?:__[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*)?(?:--[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*)?(?:\\[.+\\])?$",
+      "^(?:(?:o|c|u|t|s|is|has|_|js|qa)-)?[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*(?:__[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*)?(?:--[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*){0,2}(?:\\[.+\\])?$",
       {
-        "message": "Expected class selector to match BEM naming convention"
+        "message": "Expected class selector to match BEM naming convention",
+        "resolveNestedSelectors": true
       }
     ]
   }
diff --git a/test/index.scss b/test/index.scss
index e93170a..8db1369 100644
--- a/test/index.scss
+++ b/test/index.scss
@@ -5,10 +5,10 @@
 
 /* max-nesting-depth: 3 */
 .parent {
-  &__nested1 {
-    &__nested2 {
-      &__nested3 {
-        &__nested4 {
+  &Nested1 {
+    &Nested2 {
+      &Nested3 {
+        &Nested4 {
           background: red;
         }
       }
@@ -25,11 +25,60 @@
 }
 
 /* bem ok */
-.block__element {
-  color: red;
+.block {
+  color: test;
+
+  &-header {
+    color: test;
+  }
+
+  &__element {
+    color: test;
+
+    &Suffix {
+      color: test;
+    }
+
+    &-suffix {
+      color: test;
+    }
+
+    &--modifier {
+      color: test;
+
+      &--modifier2 {
+        color: test;
+      }
+    }
+  }
 }
 
 /* bem error */
-.block_element {
-  color: red;
-}
\ No newline at end of file
+.block__element2 {
+  color: test;
+
+  // not '_' allowed
+  &_suffix {
+    color: test;
+  }
+
+  // 2 nested elements
+  &__subElement {
+    color: test;
+  }
+
+  &--modifier {
+    color: test;
+
+    &--modifier2 {
+      color: test;
+
+      // 3 modifiers
+      &--modifier3 {
+        color: test;
+      }
+    }
+  }
+}
+
+/** end */
\ No newline at end of file

From 4634926c2cc088c4fe74356458be095ffeecf7bf Mon Sep 17 00:00:00 2001
From: Juan Hernando <juan.hernando@netcentric.biz>
Date: Wed, 22 Jun 2022 10:45:57 +0200
Subject: [PATCH 3/3] Revert app version update

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index b478c6b..2252693 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@netcentric/stylelint-config",
   "description": "Netcentric's coding and style rules for Stylelint",
-  "version": "1.3.0",
+  "version": "1.2.1",
   "license": "Apache-2.0",
   "private": false,
   "publishConfig": {