.eslintrc.json

{
  "env": {
    "es2021": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:@typescript-eslint/strict",
    "plugin:import/recommended",
    "plugin:import/typescript",
    "plugin:prettier/recommended",
    "plugin:ava/recommended"
  ],
  "overrides": [],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": "latest",
    "project": "tsconfig.json",
    "sourceType": "module"
  },
  "settings": { "import/resolver": { "node": true, "typescript": true } },
  "plugins": ["@typescript-eslint", "canonical", "import"],
  "rules": {
    "@typescript-eslint/no-shadow": "error",
    "@typescript-eslint/no-unused-vars": [
      "error",
      { "argsIgnorePattern": "^_" }
    ],
    "@typescript-eslint/prefer-readonly": "warn",
    "array-callback-return": ["error", { "checkForEach": true }],
    "arrow-parens": "error",
    "ava/no-import-test-files": ["error", { "files": ["*.test.ts"] }],
    "canonical/no-unused-exports": [
      "warn",
      { "tsConfigPath": "tsconfig.json" }
    ],
    "consistent-return": "error",
    "curly": "error",
    "dot-notation": "error",
    "eqeqeq": ["error", "always", { "null": "ignore" }],
    "import/no-useless-path-segments": "error",
    "import/order": "error",
    "linebreak-style": "error",
    "max-depth": ["error", 3],
    "no-lonely-if": "error",
    "no-param-reassign": ["error", { "props": true }],
    "no-unused-vars": "off",
    "no-var": "error",
    "object-shorthand": "error",
    "prefer-destructuring": ["error", { "array": false }],
    "sort-imports": [
      "error",
      { "ignoreCase": true, "ignoreDeclarationSort": true }
    ],
    "yoda": "error"
  }
}