.eslintrc.json

{
    "globals": {
        "XYZ": true /** Add globals from a potential global.d.ts here **/
    },
    "env": {
        "browser": true,
        "commonjs": true,
        "es2020": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "parser": "@typescript-eslint/parser",
    "plugins": [
        "@typescript-eslint"
    ],
    "rules": {
        "indent": "off",
        "quotes": "off",
        "no-tabs": "off",
        "semi": "error",
        "padded-blocks": "off",
        "no-multi-spaces": "off",
        "no-multiple-empty-lines": "off",
        "spaced-comment": "off",
        "operator-linebreak": "off",
        "comma-dangle": "off",
        "eol-last": "off",
        "no-undef-init": "off",
        "brace-style": "off",
        "no-unneeded-ternary": "off",
        "no-return-await": "off",
        "max-len": [
            2,
            340,
            {
                "ignoreComments": true,
                "ignoreTrailingComments": true,
                "ignoreUrls": true,
                "ignoreStrings": true,
                "ignoreTemplateLiterals": true
            }
        ],
        "no-trailing-spaces": "warn", // disallow trailing whitespace at the end of lines
        "space-before-function-paren": [
            "warn",
            {
                "anonymous": "always",
                "named": "never",
                "asyncArrow": "always"
            }
        ],
        "eqeqeq": "error",
        "require-await": "error",
        "no-unreachable": "warn", // disallow unreachable statements after a return, throw, continue, or break statement
        "lines-between-class-members": "off",
        "no-useless-constructor": "warn",
        "no-useless-escape": "warn",
        "no-useless-return": "warn",
        "valid-typeof": "error",
        "prefer-promise-reject-errors": "error",
        "handle-callback-err": "error",
        "one-var": "off",
        "no-mixed-requires": "error",
        "new-cap": "off",
        "no-empty-function": "warn",
        "dot-notation": "warn",
        "no-unused-vars": "off", // Rule "@typescript-eslint/no-unused-vars" is used instead 
        "no-param-reassign": "warn",
        "no-useless-concat": "warn",
        "array-callback-return": "warn",
        "no-use-before-define": "off",
        "import/no-useless-path-segments": "off",
        "no-mixed-operators": "off",
        "guard-for-in": "off",
        "curly": [
            "off",
            "multi-or-nest",
            "consistent"
        ],
        "prefer-template": "error", // makes string use `xx`;
        "quote-props": "off", // Will change let a= { "foo": bar } into { foo: bar }
        "prefer-const": "error",
        "camelcase": "off",
        "@typescript-eslint/ban-ts-comment": "off",
        "@typescript-eslint/explicit-module-boundary-types": "warn",
        "@typescript-eslint/no-this-alias": "off",
        "no-console": "off",
        "@typescript-eslint/ban-types": [
            "off",
            {
                "types": {
                    "String": {
                        "message": "Use string instead of String",
                        "fixWith": "string"
                    },
                    "{}": {
                        "message": "Don't use {}, probably replace with 'undefined'"
                        // "fixWith": "undefined"
                    }
                }
            }
        ],
        "@typescript-eslint/no-explicit-any": [
            "warn",
            {
                "fixToUnknown": false,
                "ignoreRestArgs": true
            }
        ]
    }
}