Set up ESLint, Prettier and Husky #25

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+yarn lint-staged

.prettierignore

@@ -0,0 +1,3 @@
+node_modules
+build
+public

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "jsxSingleQuote": false,
+  "trailingComma": "es5",
+  "printWidth": 80,
+  "tabWidth": 2
+}

.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

eslint.config.mjs

@@ -0,0 +1,12 @@
+import globals from "globals";
+import pluginJs from "@eslint/js";
+import pluginReact from "eslint-plugin-react";
+
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  {files: ["**/*.{js,mjs,cjs,jsx}"]},
+  {languageOptions: { globals: globals.browser }},
+  pluginJs.configs.recommended,
+  pluginReact.configs.flat.recommended,
+];

package.json

@@ -5,7 +5,11 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "dev": "react-scripts start"
+    "dev": "react-scripts start",
+    "postinstall": "husky install",
+    "prepack": "pinst --disable",
+    "postpack": "pinst --enable",
+    "lint": "eslint ."
   },
   "keywords": [],
   "author": "",
@@ -31,6 +35,27 @@
     ]
   },
   "devDependencies": {
-    "@babel/plugin-proposal-private-property-in-object": "^7.21.11"
-  }
+    "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
+    "@eslint/js": "^9.18.0",
+    "eslint": "^9.18.0",
+    "eslint-config-prettier": "^10.0.1",
+    "eslint-plugin-prettier": "^5.2.2",
+    "eslint-plugin-react": "^7.37.4",
+    "globals": "^15.14.0",
+    "husky": "^8.0.0",
+    "lint-staged": "^15.4.1",
+    "prettier": "^3.4.2",
+    "pinst": "^3.0.0"
+  },
+  "lint-staged": {
+    "*.js": [
+      "eslint --fix",
+      "prettier --write"
+    ],
+    "*.jsx": [
+      "eslint --fix",
+      "prettier --write"
+    ]
+  },
+  "packageManager": "yarn@4.6.0+sha512.5383cc12567a95f1d668fbe762dfe0075c595b4bfff433be478dbbe24e05251a8e8c3eb992a986667c1d53b6c3a9c85b8398c35a960587fbd9fa3a0915406728"
 }