add stylelint

.stylelintrc.json

@@ -1,41 +1,28 @@
 {
   "extends": [
-    "stylelint-config-standard"
+    "stylelint-config-standard",
+    "stylelint-config-prettier"
   ],
   "fix": true,
   "formatter": "verbose",
   "plugins": [
     "stylelint-scss"
   ],
   "rules": {
-    "selector-list-comma-newline-after": "always",
-    "selector-type-case": "lower",
+    "indentation": 2,
+    "selector-list-comma-newline-after": "never-multi-line",
+    "rule-empty-line-before": "always",
+    "at-rule-whitelist": ["include", "import", "keyframes", "mixin", "extend"],
     "at-rule-no-unknown": null,
     "scss/at-rule-no-unknown": true,
     "declaration-empty-line-before": "never",
-    "rule-empty-line-before": [ "always-multi-line", {
-      "except": ["inside-block"],
-      "ignore": ["after-comment"]
-    }],
-    "no-descending-specificity": true,
-    "declaration-block-no-duplicate-properties": true,
-    "declaration-colon-space-after": "always-single-line",
-    "at-rule-whitelist": ["include", "import", "keyframes", "mixin", "extend"],
-    "string-quotes": "double",
-    "no-duplicate-selectors": true,
-    "color-named": "never",
-    "selector-attribute-quotes": "always",
-    "declaration-block-trailing-semicolon": "always",
-    "declaration-colon-space-before": "never",
-    "property-no-vendor-prefix": true,
-    "value-no-vendor-prefix": true,
-    "number-leading-zero": "always",
-    "function-url-quotes": "always",
-    "font-family-name-quotes": "always-unless-keyword",
-    "at-rule-no-vendor-prefix": true,
-    "selector-no-vendor-prefix": true,
-    "media-feature-name-no-vendor-prefix": true,
-    "max-empty-lines": 2
+    "no-missing-end-of-source-newline": true,
+    "no-descending-specificity": null,
+    "color-hex-case": "lower",
+    "color-hex-length": "short",
+    "declaration-block-no-duplicate-properties": null,
+    "no-duplicate-selectors": null,
+    "declaration-colon-space-after": "always-single-line"
   },
   "syntax": "scss"
 }

CHANGELOG.md

@@ -2,4 +2,5 @@
 All notable changes to this project will be documented in this file.
 
 ## [4.0.0-beta]
-- add sentry
+- add sentry
+- add stylelint

package.json

@@ -90,7 +90,9 @@
     "jest": "^24.1.0",
     "jest-cli": "^24.1.0",
     "jest-enzyme": "^7.0.1",
+    "postcss": "^7.0.17",
     "postcss-inline-svg": "^3.0.0",
+    "prettier": "^1.18.2",
     "react-test-renderer": "^16.8.3",
     "redux-mock-store": "^1.5.1",
     "reload-html-webpack-plugin": "^0.1.2",