.eslintrc.json

{
  "root": true,
  "env": {
    "mocha": true,
    "node": true
  },
  "parserOptions": {
    "project": "./tsconfig.json",
    "parser": "@typescript-eslint/parser",
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint"
  ],
  "extends": [
    "airbnb-base",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:import/typescript",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:security/recommended"
  ],
  "rules": {
    "@typescript-eslint/member-delimiter-style": [
      "error",
      {
        "multiline": {
          "delimiter": "comma",
          "requireLast": true
        },
        "singleline": {
          "delimiter": "comma",
          "requireLast": false
        }
      }
    ],
    "semi": [
      "error",
      "never"
    ],
    "import/extensions": [
      "error",
      "never"
    ],
    "no-param-reassign": 0,
    "import/order": [
      "error",
      {
        "newlines-between": "always"
      }
    ],
    "no-multiple-empty-lines": [
      "error",
      {
        "max": 1
      }
    ],
    "array-bracket-newline": [
      "error",
      {
        "multiline": true,
        "minItems": 2
      }
    ],
    "array-element-newline": [
      "error",
      {
        "multiline": true,
        "minItems": 2
      }
    ],
    "no-void": 0,
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": [
          "./test/**/*.ts",
          "./database/**/*.ts"
        ]
      }
    ],
    "max-len": [
      "error",
      {
        "code": 120,
        "tabWidth": 2,
        "ignoreUrls": true,
        "ignoreComments": true,
        "ignoreRegExpLiterals": true,
        "ignoreStrings": true,
        "ignoreTemplateLiterals": true
      }
    ],
    "no-shadow": "off"
  }
}