.eslintrc.json

{
  "env": {
    "browser": false,
    "commonjs": true,
    "es2022": true,
    "node": true,
    "mocha": true
  },
  "extends": ["eslint:recommended"],
  "parserOptions": {
    "ecmaVersion": 2022,
    "ecmaFeatures": {
      "jsx": true
    },
    "sourceType": "module"
  },
  "rules": {
    "no-const-assign": "error",
    "no-this-before-super": "error",
    "no-undef": "error",
    "no-unreachable": "error",
    "constructor-super": "error",
    "valid-typeof": "error",
    "no-unused-vars": ["error", { "argsIgnorePattern": "^_" }],
    "eqeqeq": ["error", "always", { "null": "ignore" }]
  },
  "ignorePatterns": "build/",
  "overrides": [
    {
      "files": ["**/*.ts", "**/*.tsx"],
      "parser": "@typescript-eslint/parser",
      "plugins": ["@typescript-eslint"],
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended"
      ],
      "rules": {
        "@typescript-eslint/no-unused-vars": [
          "error",
          { "argsIgnorePattern": "^_", "varsIgnorePattern": "^_" }
        ],
        "no-unused-vars": ["off"],
        "@typescript-eslint/no-non-null-assertion": "off",
        "@typescript-eslint/ban-ts-comment": "off",
        "prefer-const": [
          "error",
          {
            "destructuring": "all",
            "ignoreReadBeforeAssign": false
          }
        ],
        "no-constant-condition": "off"
      }
    }
  ]
}