.eslintrc.json

{
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
      "ecmaVersion": 2020,    // Allows for the parsing of modern ECMAScript features.
      "sourceType": "module",  // Allows for the use of imports.
      "project": "./tsconfig.json"
    },
    "extends": [
      "eslint:recommended",
      "plugin:@typescript-eslint/eslint-recommended",
      "plugin:@typescript-eslint/recommended",      "plugin:@typescript-eslint/recommended-requiring-type-checking"
    ],
    "plugins": [
      "sort-imports-es6-autofix"
    ],
    "rules": {
      "@typescript-eslint/explicit-function-return-type": "off",
      // Disallows calls to methods of the console object.
      "no-console": "warn",
      // Require semi colon.
      "semi": "error",
      // Enforces a consistent indentation style.
      "indent": [
        "error",
        2
      ],
      // Enforces consistent line endings independent of operating system, VCS, or editor used across your codebase.
      "linebreak-style": [
        "error",
        "unix"
      ],
      // Enforces the consistent use double quotes.
      "quotes": [
        "error",
        "double"
      ],
      // Enforces parentheses around arrow function parameters, as needed.
      "arrow-parens": [
        "error",
        "as-needed"
      ],
      // Enforces at least one newline (or absence thereof) at the end of non-empty files.
      "eol-last": [
        "error"
      ],
      // Enforce consistent spacing before function parentheses and as such.
      "space-before-function-paren": [
        "error",
        {
          "anonymous": "never",
          "named": "never",
          "asyncArrow": "never"
        }
      ],
      // Create space before/after the arrow function's arrow.
      "arrow-spacing": [
        "error",
        {
          "before": true,
          "after": true
        }
      ],
      // Ensuring there are spaces around infix operators.
      "space-infix-ops": [
        "error",
        {
          "int32Hint": false
        }
      ],
      // Enforce consistency of spacing before blocks.
      "space-before-blocks": [
        "warn",
        "always"
      ],
      // Enforces consistent line breaks inside braces of object literals or destructuring assignments.
      "object-curly-newline": [
        "warn",
        {
          "multiline": true, 
          "minProperties": 4
        }
      ],
      // Enforces consistent spacing inside braces of object literals, destructuring assignments, and import/export specifiers.
      "object-curly-spacing": [
        "warn",
        "always"
      ],
      // Enforces consistent brace style for blocks.
      "brace-style": [
        "warn",
        "stroustrup"
      ],
      // Checks all import declarations and verifies that all imports are first sorted by the used member syntax and then alphabetically by the first member or alias name.
      "sort-imports-es6-autofix/sort-imports-es6": [
        "warn",
        {
          "ignoreCase": true,
          "ignoreMemberSort": false,
          "memberSyntaxSortOrder": [
            "none",
            "all",
            "multiple",
            "single"
          ]
        }
      ],
      // Enforce consistent spacing directly inside of parentheses, by disallowing or requiring one or more spaces to the right of ( and to the left of ).
      "space-in-parens": [
        "error",
        "never"
      ],
      // Enforce consistency of spacing after the start of a comment // or /*.
      "spaced-comment": [
        "error",
        "always",
        {
          "exceptions": [
            "-",
            "+"
          ]
        }
      ],
      // Enforces consistent spacing between keys and values in object literal properties.
      "key-spacing": [
        "error",
        {
          "afterColon": true
        }
      ],
      // Disallow multiple whitespace around logical expressions, conditional expressions, declarations, array elements, object properties, sequences and function parameters.
      "no-multi-spaces": [
        "error"
      ],
      // Declare variables first, rather than having ES6 hoisting them to the top of the scope
      "no-use-before-define": [
        "error",
        {
          "functions": false,
          "classes": false
        }
      ],
      // Do not recreate variables with existing/identical names
      "no-shadow": "off",
      "@typescript-eslint/no-shadow": "error",
      // Remove trailing whitespaces immediately, rather than possibly having unnecessary one-line changes in git later
      "no-trailing-spaces": "warn",
      // Require trailing commas on multiline array and objects
      "comma-dangle": [
        "warn",
        {
          "arrays": "only-multiline",
          "objects": "only-multiline"
        }
      ],
      // Do not include spacing in object property lookups like object["somekey"]
      "computed-property-spacing": [
        "warn",
        "never"
      ],
      // Require spacing after comma, forbid before
      "comma-spacing": "warn",
      // Require use of 'let' and 'const'
      "no-var": "error",
      // Add an additional set of parathesis around iife functions to hint the reader about the iife
      "wrap-iife": [
        "warn",
        "outside"
      ],
      // Require triple equals. The behavior of double equals might not behave as the coder expects
      "eqeqeq": "error",
      // Prefer dot notation referencing in object notation. Eg: object["somekey"] => object.somekey
      "dot-notation": "warn",
      // Require curly brackets on all if/else/for statements
      "curly": "error",
      "@typescript-eslint/no-misused-promises": [
        "error",
        {
          "checksVoidReturn": false
        }
      ]
    }
  }