eslint.json

{
  "env": {
    "mocha": true
  },
  "extends": ["airbnb-typescript/base", "plugin:prettier/recommended"],
  "ignorePatterns": ["node_modules/", "**/*.js"],
  "overrides": [
    {
      "files": ["src/**/*.spec.ts", "src/tests/**/*.ts"],
      "rules": {
        "@typescript-eslint/explicit-function-return-type": "off"
      }
    }
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json"
  },
  "plugins": [
    "prettier",
    "unicorn",
    "chai-friendly",
    "import",
    "unused-imports",
    "no-only-tests",
    "eslint-plugin-promise"
  ],
  "rules": {
    "@typescript-eslint/array-type": [
      "error",
      {
        "default": "array"
      }
    ],
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/ban-types": "error",
    "@typescript-eslint/consistent-indexed-object-style": ["error", "index-signature"],
    "@typescript-eslint/consistent-type-imports": "error",
    "@typescript-eslint/explicit-member-accessibility": [
      "error",
      {
        "accessibility": "explicit"
      }
    ],
    "@typescript-eslint/naming-convention": [
      "error",
      {
        "custom": {
          "match": false,
          "regex": "^I[A-Z]"
        },
        "format": ["PascalCase"],
        "selector": "interface"
      }
    ],
    "@typescript-eslint/no-misused-promises": [
      "error",
      {
        "checksVoidReturn": false
      }
    ],
    "@typescript-eslint/no-redeclare": ["error"],
    "@typescript-eslint/no-require-imports": ["error"],
    "@typescript-eslint/no-this-alias": ["error"],
    "@typescript-eslint/no-unused-expressions": "off",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        "argsIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/prefer-enum-initializers": ["error"],
    "@typescript-eslint/prefer-function-type": ["error"],
    "@typescript-eslint/prefer-includes": ["error"],
    "@typescript-eslint/quotes": ["error", "double"],
    "@typescript-eslint/return-await": ["error", "always"],
    "@typescript-eslint/semi": ["error"],
    "chai-friendly/no-unused-expressions": 2,
    "class-methods-use-this": "off",
    "eol-last": "error",
    "import/extensions": "off",
    "import/no-cycle": "off",
    "import/no-duplicates": "off",
    "import/no-extraneous-dependencies": "off",
    "import/order": "off",
    "import/prefer-default-export": "off",
    "no-console": "off",
    "no-empty-function": "off",
    "no-empty-interface": "off",
    "no-empty-pattern": "off",
    "no-multiple-empty-lines": "error",
    "no-only-tests/no-only-tests": "error",
    "no-trailing-spaces": "error",
    "no-underscore-dangle": "off",
    "no-useless-constructor": "off",
    "object-literal-sort-keys": "off",
    "arrow-body-style": ["error", "as-needed"],
    "object-shorthand": ["error", "always"],
    "ordered-imports": "off",
    "promise/prefer-await-to-then": "error",
    "unicorn/filename-case": [
      "error",
      {
        "case": "kebabCase"
      }
    ],
    "unused-imports/no-unused-imports": "error"
  },
  "settings": {
    "import/resolver": {
      "typescript": {
        "project": ["tsconfig.json"]
      }
    }
  }
}