.eslintrc.json

{
  "env": {
    "es2021": true,
    "node": true,
    "jest": true
  },
  "extends": ["standard"],
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "parser": "@typescript-eslint/parser",
  "rules": {
    "brace-style": ["error", "stroustrup"],
    "semi": ["error", "always"],
    "space-before-function-paren": "off",
    "comma-dangle": ["error", "only-multiline"],
    "no-unused-expressions": "off",
    "no-sequences": "off",
    "eqeqeq": "error",
    "array-element-newline": [
      "error",
      { "ArrayExpression": "consistent", "ArrayPattern": "never" }
    ],
    "array-bracket-newline": ["error", { "multiline": true }],
    "array-bracket-spacing": [
      "error",
      "always",
      {
        "arraysInArrays": false,
        "objectsInArrays": false,
        "singleValue": false
      }
    ],
    "no-unneeded-ternary": "error",
    "indent": [
      2,
      2,
      {
        "flatTernaryExpressions": true,
        "ignoredNodes": ["ConditionalExpression > *"],
        "SwitchCase": 1
      }
    ],
    "newline-per-chained-call": ["error", { "ignoreChainWithDepth": 3 }]
  }
}