.eslintrc.json

{
    "parserOptions": {
        "ecmaVersion": 2017
    },
    "root": true,
    "env": {
        "es6": true
    },
    "parser": "@typescript-eslint/parser",
    "plugins": [
        "@typescript-eslint"
    ],
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "rules": {
        "semi": ["error", "always"],
        "quotes": ["error", "single"],
        "no-var": ["error" ],
        "no-use-before-define": [ "error" ],
        "no-unused-vars": [ "warn" ],
        "array-bracket-newline": [ "error", { "multiline": true } ],
        "computed-property-spacing": ["error", "always"],
        "object-curly-spacing": ["error", "always"],
        "array-bracket-spacing": ["error", "always"],
        "object-curly-newline": ["error", { "multiline": true, "minProperties": 4 }],
        "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 0 }],
        "eol-last": ["error", "always"],
        "multiline-ternary": ["error", "always-multiline"],
        "lines-between-class-members": ["error", "always"],
        "lines-around-comment": ["error", { "beforeBlockComment": true }],
        "dot-location": ["error", "property"],
        "no-empty-function": "error",
        "arrow-spacing": "error",
        "brace-style": ["error", "allman", { "allowSingleLine": true }],
        "comma-spacing": ["error", { "before": false, "after": true }],
        "indent": ["error", 4],
        "spaced-comment": ["error", "always"]
    }
}