.eslintrc.json

{
    "extends": ["plugin:prettier/recommended"],
    "plugins": ["prettier", "@typescript-eslint"],
    "env": {
        "browser": true,
        "es6": true
    },
    "overrides": [
        {
            "files": "**/*.ts",
            "env": {
                "browser": false
            },
            "parser": "@typescript-eslint/parser",
            "parserOptions": {
                "ecmaVersion": 6,
                "sourceType": "module",
                "ecmaFeatures": {
                    "modules": true
                }
            },
            "plugins": ["@typescript-eslint"],
            "rules": {
                "@typescript-eslint/naming-convention": [
                    "error",
                    {
                        "selector": "interface",
                        "format": ["PascalCase"],
                        "custom": {
                            "regex": "^I[A-Z]",
                            "match": true
                        }
                    }
                ]
            }
        },
        {
            "files": "**/*.js",
            "rules": {
                "quote-props": ["warn", "as-needed"]
            }
        }
    ]
}