Update devDependencies

* @babel/cli                       ^7.13.14  →   ^7.14.3
* @babel/core                       ^7.14.0  →   ^7.14.3
* @babel/preset-env                 ^7.14.1  →   ^7.14.2
* @rollup/plugin-commonjs           ^18.0.0  →   ^19.0.0
* @rollup/plugin-node-resolve       ^11.2.1  →   ^13.0.0
* clean-css-cli                      ^5.2.2  →    ^5.3.0
* eslint                            ^7.23.0  →   ^7.26.0
* eslint-config-xo                  ^0.35.0  →   ^0.36.0
* eslint-plugin-import              ^2.22.1  →   ^2.23.2
* eslint-plugin-unicorn             ^29.0.0  →   ^31.0.0
* glob                               ^7.1.6  →    ^7.1.7
* hugo-bin                          ^0.70.0  →   ^0.71.1
* node-sass                          ^5.0.0  →    ^6.0.0
* postcss                            ^8.2.9  →    ^8.3.0
* qunit                             ^2.14.1  →   ^2.15.0
* rollup                            ^2.44.0  →   ^2.48.0
* stylelint                        ^13.12.0  →  ^13.13.1
* stylelint-config-twbs-bootstrap    ^2.1.0  →    ^2.2.0
* vnu-jar                            21.2.5  →    21.4.9

.eslintrc.json

@@ -4,7 +4,7 @@
     "plugin:import/errors",
     "plugin:import/warnings",
     "plugin:unicorn/recommended",
-    "xo/esnext",
+    "xo",
     "xo/browser"
   ],
   "rules": {
@@ -52,6 +52,7 @@
     "unicorn/prefer-dom-node-remove": "off",
     "unicorn/prefer-includes": "off",
     "unicorn/prefer-math-trunc": "off",
+    "unicorn/prefer-module": "off",
     "unicorn/prefer-number-properties": "off",
     "unicorn/prefer-optional-catch-binding": "off",
     "unicorn/prefer-query-selector": "off",

package.json

@@ -94,26 +94,26 @@
     "popper.js": "^1.16.1"
   },
   "devDependencies": {
-    "@babel/cli": "^7.13.14",
-    "@babel/core": "^7.13.14",
-    "@babel/preset-env": "^7.13.12",
+    "@babel/cli": "^7.14.3",
+    "@babel/core": "^7.14.3",
+    "@babel/preset-env": "^7.14.2",
     "@rollup/plugin-babel": "^5.3.0",
-    "@rollup/plugin-commonjs": "^18.0.0",
-    "@rollup/plugin-node-resolve": "^11.2.1",
+    "@rollup/plugin-commonjs": "^19.0.0",
+    "@rollup/plugin-node-resolve": "^13.0.0",
     "autoprefixer": "^10.2.5",
     "babel-plugin-istanbul": "^6.0.0",
     "bundlewatch": "^0.3.2",
-    "clean-css-cli": "^5.2.2",
+    "clean-css-cli": "^5.3.0",
     "cross-env": "^7.0.3",
-    "eslint": "^7.23.0",
-    "eslint-config-xo": "^0.35.0",
-    "eslint-plugin-import": "^2.22.1",
-    "eslint-plugin-unicorn": "^29.0.0",
+    "eslint": "^7.26.0",
+    "eslint-config-xo": "^0.36.0",
+    "eslint-plugin-import": "^2.23.2",
+    "eslint-plugin-unicorn": "^31.0.0",
     "find-unused-sass-variables": "^3.1.0",
-    "glob": "^7.1.6",
+    "glob": "^7.1.7",
     "globby": "^11.0.3",
     "hammer-simulator": "0.0.1",
-    "hugo-bin": "^0.70.0",
+    "hugo-bin": "^0.71.1",
     "ip": "^1.1.5",
     "jquery": "3.5.1",
     "karma": "^6.3.2",
@@ -126,20 +126,20 @@
     "karma-sinon": "^1.0.5",
     "linkinator": "^2.13.6",
     "lockfile-lint": "^4.6.2",
-    "node-sass": "^5.0.0",
+    "node-sass": "^6.0.0",
     "nodemon": "^2.0.7",
     "npm-run-all": "^4.1.5",
     "popper.js": "^1.16.1",
-    "postcss": "^8.2.9",
+    "postcss": "^8.3.0",
     "postcss-cli": "^8.3.1",
-    "qunit": "^2.14.1",
-    "rollup": "^2.44.0",
+    "qunit": "^2.15.0",
+    "rollup": "^2.48.0",
     "shelljs": "^0.8.4",
     "sinon": "^7.5.0",
-    "stylelint": "^13.12.0",
-    "stylelint-config-twbs-bootstrap": "^2.1.0",
+    "stylelint": "^13.13.1",
+    "stylelint-config-twbs-bootstrap": "^2.2.0",
     "terser": "5.1.0",
-    "vnu-jar": "21.2.5"
+    "vnu-jar": "21.4.9"
   },
   "files": [
     "dist/{css,js}/*.{css,js,map}",

scss/bootstrap-grid.scss

@@ -16,6 +16,8 @@ html {
   box-sizing: inherit;
 }
 
+// stylelint-disable no-invalid-position-at-import-rule
+
 @import "functions";
 @import "variables";
 

site/.eslintrc.json

@@ -23,10 +23,14 @@
         "SwitchCase": 1
       }
     ],
+    "no-var": "off",
     "object-curly-spacing": [
       "error",
       "always"
     ],
+    "object-shorthand": "off",
+    "prefer-arrow-callback": "off",
+    "prefer-destructuring": "off",
     "semi": [
       "error",
       "never"
@@ -39,6 +43,7 @@
     "unicorn/prefer-dom-node-dataset": "off",
     "unicorn/prefer-includes": "off",
     "unicorn/prefer-number-properties": "off",
+    "unicorn/prefer-module": "off",
     "unicorn/prefer-query-selector": "off",
     "unicorn/prevent-abbreviations": "off"
   }