.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "plugins": [
    "@typescript-eslint"
  ],
  "env": {
    "es6": true,
    "node": true,
    "mocha": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended"
  ],
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "rules": {
    "no-console": "off",
    "linebreak-style": "off",
    "camelcase": [ "warn", {
      "properties": "never",
      "ignoreImports": true
    }],
    "no-unused-vars": [ "warn", {
      "args": "none"
    }],
    "quotes": [ "error", "double", {
      "allowTemplateLiterals": true
    }],
    "array-bracket-spacing": [ "warn", "always", {
      "singleValue": true,
      "objectsInArrays": false,
      "arraysInArrays": false
    }],
    "space-before-function-paren": [ "error", {
      "anonymous": "always",
      "named": "never",
      "asyncArrow": "always"
    }],
    "object-curly-spacing": [ "error", "always" ],
    "object-property-newline": "error",
    "brace-style": "error",
    "no-var": "error",
    "keyword-spacing": [ "error", {
      "before": true
    }],
    "arrow-spacing": "warn",
    "no-constant-condition": [ "error", {
      "checkLoops": false
    }],
    "space-before-blocks": [ "error" ],
    "no-multiple-empty-lines": [ "warn", {
      "max": 1,
      "maxBOF": 0
    }],
    "lines-between-class-members": [ "warn", "always", {
      "exceptAfterSingleLine": true
    }],
    "no-unneeded-ternary": "error",
    "array-bracket-newline": [ "error", "consistent" ],
    "eol-last": [ "error", "always" ],
    "comma-dangle": [ "warn", "only-multiline" ],
    "no-empty": [ "error", {
      "allowEmptyCatch": true
    }],
    "one-var": [ "error", "never" ],
    "max-statements-per-line": [ "error", {
      "max": 1
    }]
  }
}