.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true
    },
    "globals": {
        "ENV": true
    },
    "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "sourceType": "module",
        "ecmaVersion": 2018
    },
    "rules": {
        "@typescript-eslint/indent": ["warn", 4],
        "@typescript-eslint/explicit-function-return-type": [
            "warn",
            { "allowExpressions": true }
        ],
        "@typescript-eslint/no-unused-vars": [
            2,
            { "args": "all", "argsIgnorePattern": "^_" }
        ],
        "@typescript-eslint/array-type": ["warn", "generic"],
        "max-len": [
            "warn",
            {
                "code": 100,
                "ignoreUrls": true,
                "ignoreStrings": true,
                "ignoreTemplateLiterals": true,
                "ignoreRegExpLiterals": true
            }
        ],
        "indent": "off",
        "no-unused-vars": "off",
        "linebreak-style": ["warn", "unix"],
        "quotes": ["warn", "single"],
        "semi": ["warn", "always"],
        "no-var": "warn",
        "prefer-const": "warn",
        "dot-notation": "warn",
        "dot-location": ["warn", "property"],
        "eqeqeq": ["warn", "smart"],
        "no-implicit-coercion": "warn",
        "no-useless-return": "warn",
        "array-bracket-newline": ["warn", { "multiline": true }],
        "array-bracket-spacing": ["warn", "never"],
        "block-spacing": "warn",
        "brace-style": ["warn", "1tbs", { "allowSingleLine": true }],
        "comma-dangle": ["warn", "always-multiline"],
        "comma-spacing": ["warn", { "before": false, "after": true }],
        "eol-last": "warn",
        "func-call-spacing": ["warn", "never"],
        "function-paren-newline": ["warn", "multiline"],
        "implicit-arrow-linebreak": ["warn", "beside"],
        "keyword-spacing": "warn",
        "lines-between-class-members": [
            "warn",
            "always",
            { "exceptAfterSingleLine": true }
        ],
        "newline-per-chained-call": ["warn", { "ignoreChainWithDepth": 2 }],
        "no-multiple-empty-lines": ["warn", { "max": 1 }],
        "no-trailing-spaces": "warn",
        "no-unneeded-ternary": "warn",
        "no-whitespace-before-property": "warn",
        "nonblock-statement-body-position": ["warn", "beside"],
        "object-curly-spacing": ["warn", "always"],
        "one-var": ["warn", "never"],
        "operator-assignment": "warn",
        "operator-linebreak": ["warn", "before"],
        "padded-blocks": ["warn", "never"],
        "space-before-blocks": "warn",
        "space-before-function-paren": [
            "warn",
            { "anonymous": "always", "named": "never", "asyncArrow": "always" }
        ],
        "space-in-parens": "warn",
        "space-infix-ops": "warn",
        "arrow-spacing": "warn",
        "no-confusing-arrow": "warn",
        "no-useless-rename": "warn",
        "prefer-numeric-literals": "warn",
        "prefer-template": "warn",
        "sort-imports": ["warn", { "ignoreCase": true }],
        "camelcase": "warn"
    }
}