(#12) Configure ESLint and Prettier

.husky/pre-commit

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+npm run lint
+npx lint-staged

.npmrc

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+@nciocpl:registry=https://npm.pkg.github.com
+engine-strict=true
+legacy-peer-deps=true

.prettierrc

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+{
+	"jsxBracketSameLine": true,
+	"trailingComma": "es5",
+	"tabWidth": 2,
+	"semi": true,
+	"singleQuote": true
+}

eslint.config.mjs

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+import js from "@eslint/js";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+import pluginReact from "eslint-plugin-react";
+import { defineConfig } from "eslint/config";
+
+export default defineConfig([
+  { files: ["**/*.{js,mjs,cjs,ts,mts,cts,jsx,tsx}"], plugins: { js }, extends: ["js/recommended"], languageOptions: { globals: globals.browser } },
+  tseslint.configs.recommended,
+  pluginReact.configs.flat.recommended,
+]);

lint-staged.config.js

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+export default {
+  // Lint & Prettify TS and JS files
+  '*.{ts,tsx,js,jsx}': (filenames) => [
+    `eslint --fix ${filenames.join(' ')}`,
+    `prettier --write ${filenames.join(' ')}`,
+  ],
+  // Prettify only Markdown and JSON files
+  '*.{md,json,css,scss}': (filenames) =>
+    `prettier --write ${filenames.join(' ')}`,
+};