Впилил нормальный pug-lint

.pug-lintrc

@@ -6,7 +6,6 @@
   "requireSpecificAttributes": [ { "img": [ "src", "alt" ] } ],
   "requireSpaceAfterCodeOperator": true,
   "requireLowerCaseTags": true,
-  "requireLowerCaseAttributes": true,
   "requireClassLiteralsBeforeIdLiterals": true,
   "requireClassLiteralsBeforeAttributes": true,
   "disallowTrailingSpaces": true,

package.json

@@ -20,8 +20,8 @@
     "last 2 versions"
   ],
   "lint-staged": {
-    "*.js": "editorconfig-cli",
-    "*.pug": "editorconfig-cli",
+    "*.{js,pug,md}": "editorconfig-cli",
+    "*.pug": "pug-lint",
     "*.scss": "stylelint --syntax=scss"
   },
   "devDependencies": {
@@ -64,6 +64,7 @@
     "postcss-import": "^12.0.1",
     "postcss-inline-svg": "^3.0.0",
     "postcss-object-fit-images": "^1.1.2",
+    "pug-lint": "^2.5.0",
     "stylelint": "^9.1.1",
     "through2": "^3.0.0",
     "vinyl-buffer": "^1.0.1",

src/pages/index.pug

@@ -20,7 +20,7 @@ block content
 block footer
   +page-footer()
     p «Подвал»
-    p Контактный телефон: #[a(href="tel:+70000000000") +7 000 000 00 00]
+    p Контактный телефон: #[a(href='tel:+70000000000') +7 000 000 00 00]
 
 //- block page-bottom
 //-   script(src='js/some.js')