Share global eslint opt and move prettier config

Share global eslint config from its root project to keep it low maintenance and reduce dry code

Also move prettier config to it's own object to make all files including css, json, etc follows this rules, otherwise this rules will only works on eslint coverage files

client/package.json

@@ -34,13 +34,10 @@
       },
       "requireConfigFile": false
     },
-    "plugins": [
-      "prettier"
-    ],
     "extends": [
       "airbnb",
       "airbnb/hooks",
-      "plugin:prettier/recommended"
+      "../package.json"
     ],
     "rules": {
       "import/no-extraneous-dependencies": [
@@ -51,14 +48,6 @@
             "**/*.test.js"
           ]
         }
-      ],
-      "prettier/prettier": [
-        "error",
-        {
-          "printWidth": 100,
-          "singleQuote": true,
-          "trailingComma": "all"
-        }
       ]
     }
   },
@@ -112,14 +101,11 @@
     "enzyme": "^3.11.0",
     "eslint": "^8.20.0",
     "eslint-config-airbnb": "^19.0.4",
-    "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-import": "^2.26.0",
     "eslint-plugin-jsx-a11y": "^6.6.1",
-    "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-react": "^7.30.1",
     "eslint-plugin-react-hooks": "^4.6.0",
     "jest-enzyme": "^7.1.2",
-    "prettier": "2.7.1",
     "react-app-rewired": "^2.2.1",
     "react-test-renderer": "^17.0.2"
   }

package.json

@@ -38,9 +38,34 @@
       "npm run server:lint"
     ]
   },
+  "eslintConfig": {
+    "plugins": [
+      "prettier"
+    ],
+    "extends": [
+      "plugin:prettier/recommended"
+    ],
+    "rules": {
+      "no-throw-literal": "off",
+      "no-undef": "off",
+      "prettier/prettier": "error"
+    }
+  },
+  "prettier": {
+    "printWidth": 100,
+    "singleQuote": true,
+    "trailingComma": "all",
+    "endOfLine": "lf"
+  },
   "dependencies": {
     "concurrently": "^7.3.0",
     "husky": "^8.0.1",
     "lint-staged": "^13.0.3"
+  },
+  "devDependencies": {
+    "eslint": "^8.28.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-prettier": "^4.2.1",
+    "prettier": "^2.7.1"
   }
 }

server/package.json

@@ -13,24 +13,13 @@
     "test": "mocha test/lifecycle.test.js test/integration/**/*.test.js test/utils/**/*.test.js"
   },
   "eslintConfig": {
-    "plugins": [
-      "prettier"
-    ],
     "extends": [
       "airbnb-base",
-      "plugin:prettier/recommended"
+      "../package.json"
     ],
     "rules": {
       "no-throw-literal": "off",
-      "no-undef": "off",
-      "prettier/prettier": [
-        "error",
-        {
-          "printWidth": 100,
-          "singleQuote": true,
-          "trailingComma": "all"
-        }
-      ]
+      "no-undef": "off"
     },
     "globals": {
       "_": true,
@@ -63,12 +52,9 @@
     "chai": "^4.3.6",
     "eslint": "^8.20.0",
     "eslint-config-airbnb-base": "^15.0.0",
-    "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-import": "^2.26.0",
-    "eslint-plugin-prettier": "^4.2.1",
     "mocha": "^9.2.2",
     "nodemon": "^2.0.19",
-    "prettier": "2.7.1",
     "supertest": "^6.2.4"
   },
   "engines": {