.eslintrc.js

module.exports = {
  parser: "@typescript-eslint/parser",
  extends: [
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended"
  ],
  plugins: [ "@typescript-eslint" ],
  rules: {
    "no-console": 0,
    "semi": [
      "error",
      "never"
    ],
    "newline-before-return": 2,
    "indent": [
      "error",
      2, {
        "SwitchCase": 1
      }
    ],
    "quotes": [ "error", "double", { "allowTemplateLiterals": true } ],
    "object-curly-spacing": [ "error", "always" ],
    "array-bracket-spacing": [ "error", "always", {
      "singleValue": false
    } ],
    "arrow-body-style": [ "error", "as-needed" ],
    "computed-property-spacing": [ "error", "never" ],
    "no-multiple-empty-lines": [ "error", { "max": 1, "maxBOF": 0 } ],
    "prefer-arrow-callback": "error",
    "func-style": [ "warn", "expression" ],
    "no-multi-spaces": [ "error", { "ignoreEOLComments": false } ],
    "keyword-spacing": "error",
    "@typescript-eslint/semi": [
      "error",
      "never"
    ],
    "@typescript-eslint/indent": [
      "error",
      2, {
        "SwitchCase": 1
      }
    ],
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {
        "allowExpressions": true
      }
    ],
    "@typescript-eslint/member-delimiter-style": [
      "error",
      {
        "multiline": {
          "delimiter": "none"
        },
      }
    ],
    "@typescript-eslint/interface-name-prefix": [ "off" ],
    "@typescript-eslint/camelcase": [ "off" ],
    "@typescript-eslint/no-use-before-define": [ "off" ],
    "@typescript-eslint/ban-ts-ignore": [ "off" ],
    "@typescript-eslint/no-inferrable-types": [ "off" ],
    "@typescript-eslint/no-unused-vars": [
      "error", {
        "argsIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/no-explicit-any": "error",
    "@typescript-eslint/explicit-member-accessibility": "error"
  },
  env: {
    "jest": true
  },
  parserOptions: {
    "ecmaVersion": 2018,
    "sourceType": "module",
  }
};