.eslintrc.json

{
  "root": true,
  "env": {
    "browser": true,
    "commonjs": true,
    "node": true,
    "es2021": true,
    "jest": true
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "project": "./tsconfig.json",
    "sourceType": "module",
    "ecmaVersion": 12
  },
  "plugins": [
    "react",
    "@typescript-eslint",
    "simple-import-sort",
    "prettier"
  ],
  "extends": [
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:prettier/recommended",
    "eslint:recommended",
    "plugin:react/recommended",
    "prettier"
  ],
  "rules": {
    // Best Practices
    "no-var": "error",
    "prefer-const" : "error",
    "no-eval": "error",
    "max-len": ["error", { "code": 120 }],
    "semi": ["error", "always"],
    "eqeqeq": ["error", "always"],
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "simple-import-sort/imports": "error",

    // Stylistic Issues
    "no-trailing-spaces": "error",
    "brace-style": "error",
    "spaced-comment": ["error", "always"],
    "eol-last": ["error", "always"],

    // React
    "react/prop-types": "off",
    "react/display-name": "off",
    "react/react-in-jsx-scope": "off",

    //TypeScript
    "@typescript-eslint/ban-ts-comment": "off",
    "@typescript-eslint/no-empty-function": "off",
    "@typescript-eslint/no-inferrable-types": "off",
    "@typescript-eslint/no-explicit-any": "error",
    "@typescript-eslint/explicit-member-accessibility": [
      "error",
      {
        "accessibility": "no-public",
        "overrides": {
          "parameterProperties": "explicit"
        }
      }
    ],
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {
        "allowExpressions": true
      }
    ],
    "@typescript-eslint/no-parameter-properties": "off",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "argsIgnorePattern": "^_",
        "varsIgnorePattern": "^_"
      }
    ]
  }
}