.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "extends": [
    "plugin:@typescript-eslint/recommended",
    "plugin:prettier/recommended",
    "plugin:jest/recommended"
  ],
  "plugins": [
    "@typescript-eslint", // Let's us override rules below.
    "jest",
    "import",
    "unused-imports"
  ],
  "rules": {
    "semi": ["error", "always"],
    "import/order": [
      "error",
      {
        "groups": [
          "builtin",
          "external",
          "internal",
          ["parent", "sibling"],
          "index"
        ],
        "pathGroups": [
          {
            "pattern": "@src/**",
            "group": "internal",
            "position": "after"
          }
        ],
        "pathGroupsExcludedImportTypes": ["builtin"],
        "newlines-between": "always",
        "alphabetize": {
          "order": "asc",
          "caseInsensitive": true
        }
      }
    ],
    "quotes": ["error", "single"],
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "@typescript-eslint/naming-convention": [
      "error",
      {
        "selector": "variable",
        "format": ["camelCase", "PascalCase", "UPPER_CASE"],
        "leadingUnderscore": "allow",
        "trailingUnderscore": "allow"
      },
      {
        "selector": "function",
        "format": ["PascalCase", "camelCase"]
      }
    ],
    "@typescript-eslint/no-explicit-any": 1,
    "@typescript-eslint/no-inferrable-types": [
      "warn",
      {
        "ignoreParameters": true
      }
    ],
    "@typescript-eslint/no-unused-vars": "warn",
    "@typescript-eslint/ban-ts-comment": "warn",
    "padding-line-between-statements": [
      "error",
      { "blankLine": "always", "prev": "*", "next": "return" }
    ],
    "unused-imports/no-unused-imports-ts": 2
  }
}