.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2019,
    "sourceType": "module",
    "allowImportExportEverywhere": true,
    "codeFrame": false,
    "extraFileExtensions": [".svelte"]
  },
  "overrides": [
    {
      "files": ["*.svelte"],
      "parser": "svelte-eslint-parser",
      "parserOptions": {
        "parser": "@typescript-eslint/parser"
      }
    }
  ],
  "env": {
    "es6": true,
    "browser": true,
    "node": true
  },
  "extends": ["eslint:recommended", "standard", "plugin:svelte/recommended", "plugin:@typescript-eslint/recommended", "prettier"],
  "plugins": ["@typescript-eslint", "jest", "prettier"],
  "rules": {
    "semi": [2, "always"],
    "semi-spacing": [
      2,
      {
        "before": false,
        "after": true
      }
    ],
    "space-before-function-paren": [
      2,
      {
        "anonymous": "never",
        "named": "never",
        "asyncArrow": "always"
      }
    ],
    "no-console": 1,
    "curly": [2, "multi-line"],
    "import/first": 0,
    "quotes": [2, "single"],
    "jest/no-disabled-tests": "warn",
    "jest/no-focused-tests": "error",
    "jest/no-identical-title": "error",
    "jest/prefer-to-have-length": "warn",
    "jest/valid-expect": "error"
  }
}