chore: replace Yarn with npm and refresh frontend tooling

.github/workflows/node.js.yml

@@ -1,11 +1,9 @@
-# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# This workflow will do a clean install of node dependencies and build the source code.
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
 
 name: Node.js CI
 
 on:
-  push:
-    branches: [ master ]
   pull_request:
     branches: [ master ]
 
@@ -14,20 +12,12 @@ jobs:
 
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        node-version: [24.x]
-
     steps:
-    - uses: actions/checkout@v4
-    - name: Enable Corepack
-      # Must run before setup-node's yarn cache: resolves Yarn from packageManager, not v1.
-      # See: https://github.com/actions/setup-node/issues/1027
-      run: corepack enable
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
+    - uses: actions/checkout@v7
+    - name: Use Node.js from package.json
+      uses: actions/setup-node@v7
       with:
-        node-version: ${{ matrix.node-version }}
-        cache: yarn
-    - run: yarn
-    - run: yarn build
+        node-version-file: package.json
+        cache: npm
+    - run: npm ci
+    - run: npm run build

.github/workflows/php-quality.yml

@@ -1,6 +1,8 @@
 name: PHP Quality
 
-on: [push, pull_request]
+on:
+  pull_request:
+    branches: [ master ]
 
 jobs:
   run:

.gitignore

@@ -76,9 +76,6 @@ dist/assets/img/sample/cache
 dist/
 src/conf-img/*.csv
 
-### NPM (use Yarn instead)
-package-lock.json
-
 ### config
 /vendor/
 

.stylelintrc

@@ -1,6 +1,6 @@
 {
     "extends": [
-        "@wordpress/stylelint-config/scss",
+        "@wordpress/stylelint-config/scss-stylistic",
         "stylelint-config-recess-order"
     ],
     "customSyntax": "postcss-scss",
@@ -13,7 +13,7 @@
                 "at-rule-no-unknown": null,
                 "comment-empty-line-before": null,
                 "font-weight-notation": null,
-                "max-line-length": null,
+                "@stylistic/max-line-length": null,
                 "no-descending-specificity": null,
                 "rule-empty-line-before": null,
                 "selector-class-pattern": null,
@@ -30,9 +30,10 @@
                 "scss/at-if-closing-brace-space-after": null,
                 "no-invalid-position-at-import-rule": null,
                 "custom-property-pattern": null,
-                "indentation": "tab",
-                "number-leading-zero": "never",
-                "string-quotes": "double",
+                "order/properties-order": null,
+                "@stylistic/indentation": "tab",
+                "@stylistic/number-leading-zero": "never",
+                "@stylistic/string-quotes": "double",
                 "length-zero-no-unit": [
                     true,
                     {

composer.json

@@ -23,7 +23,7 @@
         "phpcompatibility/phpcompatibility-wp": "^2.1",
         "phpro/grumphp-shim": "^2.6",
         "roave/security-advisories": "dev-latest",
-        "wp-coding-standards/wpcs": "3.3.0",
+        "wp-coding-standards/wpcs": "3.4.1",
         "wp-plugin/advanced-custom-fields": "6.8.4"
     },
     "scripts": {