conf: ESLint

.eslintrc.json

@@ -0,0 +1,35 @@
+{
+  "env": {
+    "browser": true,
+    "es2021": true
+  },
+  "extends": [
+    "standard",
+    "plugin:react/recommended",
+    "prettier"
+  ],
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "plugins": [
+    "react"
+  ],
+  "rules": {
+    // "no-useless-constructor": "off",
+    "semi": [
+      "error",
+      "always"
+    ],
+    "camelcase": [
+      1,
+      {
+        // "allow": ["_store$"],
+        "ignoreImports": true,
+        "ignoreGlobals": true
+      }
+    ],
+    "no-unused-vars": [1],
+    "spaced-comment": [1]
+  }
+}

.prettierrc

@@ -0,0 +1,17 @@
+{
+  "tabWidth": 4,
+  "useTabs": false,
+  "printWidth": 120,
+  "singleQuote": true,
+  "quoteProps": "preserve",
+  "semi": true,
+  "singleAttributePerLine": false,
+  "overrides": [
+    {
+      "files": "*.jsx",
+      "options": {
+        "tabWidth": 2
+      }
+    }
+  ]
+}

package.json

@@ -32,5 +32,17 @@
       "last 1 firefox version",
       "last 1 safari version"
     ]
+  },
+  "devDependencies": {
+    "eslint": "^8.46.0",
+    "eslint-config-prettier": "^9.0.0",
+    "eslint-config-standard": "^17.1.0",
+    "eslint-friendly-formatter": "^4.0.1",
+    "eslint-plugin-import": "^2.28.0",
+    "eslint-plugin-jsx-a11y": "^6.7.1",
+    "eslint-plugin-n": "^16.0.1",
+    "eslint-plugin-promise": "^6.1.1",
+    "eslint-plugin-react": "^7.33.1",
+    "eslint-plugin-react-hooks": "^4.6.0"
   }
 }