Basic ts-lint (ts-lint recommended with small tweaks)

tslint.json

{
  "defaultSeverity": "warning",
  "extends": [],
  "linterOptions": {
    "exclude": [
      "Scripts/typings/**/*.ts"
    ]
  },
  "rules": {
    "ban-types": {
      "options": [
        [ "Boolean", "Avoid using the `Boolean` type. Did you mean `boolean`?" ],
        [ "Number", "Avoid using the `Number` type. Did you mean `number`?" ],
        [ "String", "Avoid using the `String` type. Did you mean `string`?" ],
        [ "Symbol", "Avoid using the `Symbol` type. Did you mean `symbol`?" ]
      ]
    },
    "whitespace": {
      "options": [
        "check-branch",
        "check-decl",
        "check-operator",
        "check-separator",
        "check-type",
        "check-typecast"
      ]
    },
    "prefer-object-spread": true,

    "object-literal-sort-keys": false,
    "trailing-comma": [ false ],
    "member-access": [ false ],
    "adjacent-overload-signatures": true,
    "align": {
      "options": [
        "parameters",
        "statements"
      ]
    },
    "array-type": false,
    "arrow-parens": true,
    "arrow-return-shorthand": true,
    "callable-types": true,
    "class-name": true,
    "comment-format": {
      "options": [ "check-space" ]
    },
    "curly": true,
    "cyclomatic-complexity": false,
    "eofline": true,
    "forin": true,
    "import-spacing": true,
    "indent": {
      "options": [ "spaces" ]
    },
    "interface-name": {
      "options": [ "always-prefix" ]
    },
    "interface-over-type-literal": false,
    "jsdoc-format": true,
    "label-position": true,

    // Should be enabled
    "max-classes-per-file": false,

    // Should be enabled
    /* 
    "max-line-length": {
      "options": [ 120 ]
    }
    */
    "member-ordering": {
      "options": {
        "order": "statics-first"
      }
    },
    "new-parens": true,
    "no-angle-bracket-type-assertion": true,
    "no-any": false,
    "no-arg": true,
    "no-bitwise": true,
    "no-conditional-assignment": true,
    "no-consecutive-blank-lines": true,
    "no-console": [ true, "log" ], //Were allowing warnings to find errors
    "no-construct": true,
    "no-debugger": true,
    "no-duplicate-super": true,
    "no-empty": true,
    "no-empty-interface": true,
    "no-eval": true,
    "no-internal-module": true,
    "no-invalid-this": false,
    "no-misused-new": true,
    "no-namespace": true,
    "no-parameter-properties": false,
    "no-reference": true,
    "no-reference-import": true,
    "no-shadowed-variable": true,
    "no-string-literal": true,
    "no-string-throw": true,
    "no-switch-case-fall-through": false,
    "no-trailing-whitespace": true,
    "no-unnecessary-initializer": true,
    "no-unsafe-finally": true,
    "no-unused-expression": [ true, "allow-fast-null-checks" ],
    // disable this rule as it is very heavy performance-wise and not that useful
    "no-use-before-declare": false,
    "no-var-keyword": true,
    "no-var-requires": false,
    "object-literal-key-quotes": {
      "options": [ "consistent-as-needed" ]
    },
    "object-literal-shorthand": true,
    "one-line": {
      "options": [
        "check-catch",
        "check-else",
        "check-finally"
      ]
    },
    "one-variable-per-declaration": {
      "options": [ "ignore-for-loop" ]
    },
    "only-arrow-functions": {
      "options": [
        "allow-declarations",
        "allow-named-functions"
      ]
    },
    /**
    "ordered-imports": {
      "options": {
        "import-sources-order": "case-insensitive",
        "module-source-path": "full",
        "named-imports-order": "case-insensitive"
      }
    }
    */
    "prefer-const": true,
    "prefer-for-of": true,
    "quotemark": {
      "options": [
        "double",
        "avoid-escape"
      ]
    },
    "radix": true,
    "semicolon": {
      "options": [ "always" ]
    },
    "space-before-function-paren": {
      "options": {
        "anonymous": "never",
        "asyncArrow": "always",
        "constructor": "never",
        "method": "never",
        "named": "never"
      }
    },

    "triple-equals": {
      "options": [ "allow-null-check" ]
    },

    "typedef": false,
    "typedef-whitespace": {
      "options": [
        {
          "call-signature": "nospace",
          "index-signature": "nospace",
          "parameter": "nospace",
          "property-declaration": "nospace",
          "variable-declaration": "nospace"
        },
        {
          "call-signature": "onespace",
          "index-signature": "onespace",
          "parameter": "onespace",
          "property-declaration": "onespace",
          "variable-declaration": "onespace"
        }
      ]
    },
    "unified-signatures": true,
    "use-isnan": true,
    "variable-name": {
      "options": [
        "ban-keywords",
        "check-format",
        "allow-pascal-case"
      ]
    }
  },
  "rulesDirectory": []
}