.eslintrc.js

module.exports = {
  parser: "@typescript-eslint/parser",
  parserOptions: {
    tsconfigRootDir: __dirname,
    project: "./tsconfig.json",
    sourceType: "module",
  },
  plugins: ["@typescript-eslint", "prettier"],
  extends: [
    "eslint:recommended",
    // https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/src/configs/recommended.json
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "prettier",
  ],
  rules: {
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        vars: "all",
        varsIgnorePattern: "^_",
        args: "all",
        argsIgnorePattern: "^_",
        ignoreRestSiblings: true,
      },
    ],
    "@typescript-eslint/explicit-member-accessibility": [
      "off",
      {
        accessibility: "explicit",
      },
    ],
  },
}