.eslintrc.json

{
    "env": {
        "browser": true,
        "es2020": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": 11,
        "sourceType": "module",
        "project": "**/tsconfig.json"
    },
    "plugins": [
        "@typescript-eslint",
        "mocha"
    ],
    "rules": {
        "@typescript-eslint/no-floating-promises": [
            "error"
        ],
        "indent": [
            "error",
            2,
            {
                "SwitchCase": 1
            }
        ],
        "no-trailing-spaces": "warn",
        "keyword-spacing": [
            "error",
            {
                "overrides": {
                    "if": {"after": false},
                    "while": {"after": false},
                    "for": {"after": false}
                }
            }
        ],
        "function-call-argument-newline": [
            "error",
            "consistent"
        ],
        "function-paren-newline": [
            "error",
            "multiline"
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single",
            {
                "avoidEscape": true
            }
        ],
        "require-await": 2,
        "mocha/no-async-describe": "error",
        "mocha/no-nested-tests": "error",
        "mocha/no-synchronous-tests": "error",
        "semi": [
            "error",
            "always"
        ],
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "comma-dangle": [
            "error",
            "always-multiline"
        ],
        "no-unused-vars": "off",
        "@typescript-eslint/no-empty-function": "off",
        "@typescript-eslint/no-non-null-assertion": "off",
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-unused-vars": [
            "warn",
            {
                "varsIgnorePattern": "(?:_.+|__dirname|__filename)",
                "argsIgnorePattern": "_.+"
            }
        ],
        "no-async-promise-executor": "warn",
        "@typescript-eslint/no-empty-interface": "off",
        "prefer-const": [
            "error",
            {
                "destructuring": "all"
            }
        ],
        "@typescript-eslint/ban-ts-comment": "off",
        "object-curly-spacing": ["warn", "never"],
        "arrow-spacing": "warn",
        "array-bracket-spacing": ["warn", "never"],
        "template-curly-spacing": "warn",
        "space-in-parens": "warn",
        "arrow-body-style": ["warn", "as-needed"],
        "@typescript-eslint/naming-convention": [
            "warn",
            {
                "selector": "default",
                "format": [
                    "camelCase"
                ],
                "leadingUnderscore": "allow",
                "trailingUnderscore": "allow"
            },
            {
                "selector": "variable",
                "format": [
                    "camelCase",
                    "UPPER_CASE"
                ],
                "leadingUnderscore": "allow",
                "trailingUnderscore": "allow"
            },
            {
                "selector": "typeLike",
                "format": [
                    "PascalCase"
                ]
            },
            {
                "selector": "memberLike",
                "format": null
            }
        ]
    }
}