.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint", "prettier", "prefer-arrow"],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:prettier/recommended"
  ],
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module",
    "project": "tsconfig.json"
  },
  "env": { "mocha": true },
  "rules": {
    "prefer-arrow/prefer-arrow-functions": "error",
    "camelcase": "off",
    "@typescript-eslint/camelcase": "off",
    "@typescript-eslint/interface-name-prefix": ["error", { "prefixWithI": "always" }],
    "prettier/prettier": "warn"
  }
}