Refactor build process

* migrate Grunt to Yarn tasks
* remove generated CSS sources
* use single build pipeline instead of Node matrix

Author: stklcode

.github/workflows/nodejs.yml

@@ -7,23 +7,17 @@ jobs:
 
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        node-version: [18, 20, 24]
-
     steps:
-    - uses: actions/checkout@v5
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v5
+    - uses: actions/checkout@v6
+    - uses: actions/setup-node@v6
       with:
-        node-version: ${{ matrix.node-version }}
-    - name: npm install, build, and test
-      run: |
-        yarn
-        yarn run build --if-present
+        node-version: 24
+    - name: yarn install
+      run: yarn install
+    - name: build
+      run: yarn build
       env:
         CI: true
-
     - name: lint
       run: yarn lint
       env:

Gruntfile.js

@@ -34,37 +34,26 @@
     "chartist": "^1.0.0"
   },
   "devDependencies": {
+    "@eslint/js": "^10.0.1",
+    "copyfiles": "^2.4.1",
+    "del": "^8.0.1",
+    "del-cli": "^7.0.0",
     "eslint": "^10.1.0",
     "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-prettier": "^5.5.5",
-    "grunt": "^1.6.1",
-    "grunt-contrib-clean": "^2.0.1",
-    "grunt-contrib-copy": "^1.0.0",
-    "grunt-contrib-jshint": "^3.2.0",
-    "grunt-contrib-uglify": "^5.2.2",
-    "grunt-eslint": "^26.0.0",
-    "grunt-sass": "^4.0.0",
-    "grunt-umd": "^3.0.0",
-    "jasmine-fixture": "^2.0.0",
-    "jshint-stylish": "^2.2.1",
-    "load-grunt-config": "^4.0.1",
+    "globals": "^17.4.0",
+    "minify": "^15.2.0",
     "prettier": "^3.8.1",
-    "sass": "^1.79.4",
-    "time-grunt": "^2.0.0"
+    "sass": "^1.98.0",
+    "terser": "^5.46.1"
   },
   "scripts": {
-    "build": "grunt build",
+    "clean": "del ./dist ./.tmp",
+    "build": "yarn clean && yarn build:styles && yarn build:scripts",
+    "build:scripts": "terser -o dist/chartist-plugin-tooltip.js src/scripts/chartist-plugin-tooltip.js",
+    "build:styles": "sass --no-source-map --style compressed src/styles:dist",
     "format": "prettier --write 'src/**/*.js'",
-    "lint": "grunt lint",
-    "prepare": "grunt build",
-    "version": "grunt build && git add -A ."
-  },
-  "config": {
-    "banner": "/* chartist-plugin-tooltip <%= pkg.version %>\n * Copyright © <%= year %> Markus Padourek\n * Free to use under the WTFPL license.\n * http://www.wtfpl.net/\n */\n",
-    "src": "src",
-    "dist": "dist",
-    "tmp": ".tmp",
-    "src_name": "chartist-plugin-tooltip"
+    "lint": "eslint 'src/scripts/**/*.js'",
+    "prepare": "yarn build"
   },
   "license": "MIT"
 }