.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:prettier/recommended",
    "prettier",
    "preact"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "module": 13,
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint"
  ],
  "rules": {
    "no-async-promise-executor": "off",
    "max-classes-per-file": ["error", 10],
    "quotes": ["error", "single", {"avoidEscape":  true}],
    "semi": ["error", "never"],
    "no-var": "error",
    "max-len": ["error", {
      "code": 120,
      "tabWidth": 2,
      "ignoreComments": true,
      "ignoreTrailingComments": true,
      "ignoreUrls": true,
      "ignoreTemplateLiterals": true,
      "ignoreRegExpLiterals": true,
      "ignoreStrings": true
    }],

    "@typescript-eslint/no-unused-vars": ["error", {"ignoreRestSiblings": true}],
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/naming-convention": [
      "error",
      {
        "selector": "interface",
        "format": ["PascalCase"],
        "custom": {
          "regex": "^I[A-Z]",
          "match": false
        }
      }
    ],
    "@typescript-eslint/ban-types": [
      "error",
      {
        "types": {
          "{}": false
        }
      }
    ]
  },
  "globals": {
    "JSX": true
  }
}