Add code formatting

.eslintrc

@@ -0,0 +1,58 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "extends": [
+    "airbnb",
+    "plugin:@typescript-eslint/recommended",
+    "prettier" // prettier *has* to be the last one, to avoid conflicting rules
+  ],
+  "ignorePatterns": ["pnpm-lock.yaml"],
+  "plugins": ["simple-import-sort", "@typescript-eslint"],
+  "rules": {
+    "quotes": ["error", "double"],
+    "react/react-in-jsx-scope": "off", // next does not require react imports
+    "import/extensions": "off", // file extension not required when importing
+    "react/jsx-filename-extension": "off",
+    "no-restricted-syntax": "off",
+    "no-underscore-dangle": "off",
+    "no-await-in-loop": "off",
+    "react/jsx-props-no-spreading": "off",
+    "react/require-default-props": "off",
+    "simple-import-sort/imports": "warn",
+    "simple-import-sort/exports": "warn",
+    "import/first": "warn",
+    "import/newline-after-import": "warn",
+    "import/no-duplicates": "warn",
+    "no-unused-vars": "off",
+    "@typescript-eslint/no-unused-vars": ["error"],
+    "@typescript-eslint/ban-types": "off",
+    "no-console": [
+      "error",
+      {
+        "allow": ["warn", "error", "debug"]
+      }
+    ],
+    "no-continue": "off",
+    "operator-linebreak": "off",
+    "max-len": "off",
+    "array-callback-return": "off",
+    "implicit-arrow-linebreak": "off",
+    "@typescript-eslint/no-non-null-asserted-optional-chain": "off",
+    "@typescript-eslint/no-non-null-assertion": "off",
+    "no-restricted-imports": "off",
+    "no-restricted-exports": "off",
+    "@typescript-eslint/ban-ts-comment": "off",
+    // TO FIX:
+    "import/no-cycle": "off", // pathpidia issue
+    "import/prefer-default-export": "off"
+  },
+  "settings": {
+    "import/parsers": {
+      "@typescript-eslint/parser": [".ts", ".tsx"]
+    },
+    "import/resolver": {
+      "typescript": {
+        "alwaysTryTypes": true // always try to resolve types under `<root>@types` directory even it doesn't contain any source code, like `@types/unist`
+      }
+    }
+  }
+}

.prettierignore

@@ -0,0 +1,5 @@
+.next
+saleor/api.tsx
+pnpm-lock.yaml
+graphql.schema.json
+lib/$path.ts

.prettierrc

@@ -0,0 +1,4 @@
+{
+  "singleQuote": false,
+  "printWidth": 100
+}

package.json

@@ -9,7 +9,8 @@
     "watch": "tsc -w",
     "build": "tsup-node src/* --format esm,cjs --dts && clear-package-json package.json -o dist/package.json --fields publishConfig",
     "test": "uvu -r tsm spec",
-    "test-watch": "watchlist src spec -- pnpm test"
+    "test-watch": "watchlist src spec -- pnpm test",
+    "lint": "prettier --loglevel warn --write . && eslint --fix ."
   },
   "keywords": [],
   "author": "",
@@ -21,8 +22,20 @@
     "retes": "^0.29.4"
   },
   "devDependencies": {
-    "clean-publish": "^4.0.1",
     "@types/node": "^18.0.4",
+    "@typescript-eslint/eslint-plugin": "^5.17.0",
+    "@typescript-eslint/parser": "^5.17.0",
+    "clean-publish": "^4.0.1",
+    "eslint": "8.15.0",
+    "eslint-config-airbnb": "^19.0.4",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-import-resolver-typescript": "^3.3.0",
+    "eslint-plugin-import": "^2.26.0",
+    "eslint-plugin-jsx-a11y": "^6.6.0",
+    "eslint-plugin-react": "^7.30.1",
+    "eslint-plugin-react-hooks": "^4.6.0",
+    "eslint-plugin-simple-import-sort": "^7.0.0",
+    "prettier": "2.6.2",
     "tsm": "^2.2.1",
     "tsup": "^6.1.3",
     "typescript": "^4.7.4",