tslint.json

{
  "rulesDirectory": [
    "tslint-consistent-codestyle"
  ],
  "rules": {
    "array-type": [
      true,
      "array"
    ],
    "class-name": true,
    "comment-format": [
      true,
      "check-space"
    ],
    "curly": [
      true,
      "ignore-same-line"
    ],
    "indent": [
      true,
      "spaces"
    ],
    "interface-name": [
      true,
      "always-prefix"
    ],
    "interface-over-type-literal": true,
    "typedef": [
      true,
      "call-signature",
      "parameter"
    ],
    "eofline": true,
    "new-parens": true,
    "no-duplicate-imports": true,
    "no-eval": true,
    "no-internal-module": true,
    "no-trailing-whitespace": true,
    "one-variable-per-declaration": true,
    "no-unsafe-finally": true,
    "no-var-keyword": true,
    "prefer-const": true,
    "quotemark": [
      true,
      "single"
    ],
    "semicolon": [
      true,
      "always"
    ],
    "trailing-comma": [
      true,
      {
        "multiline": {
          "objects": "never",
          "arrays": "never",
          "functions": "never",
          "typeLiterals": "ignore"
        },
        "esSpecCompliant": true
      }
    ],
    "triple-equals": true,
    "typedef-whitespace": [
      true,
      {
        "call-signature": "nospace",
        "index-signature": "nospace",
        "parameter": "nospace",
        "property-declaration": "nospace",
        "variable-declaration": "nospace"
      }
    ],
    "variable-name": [
      true,
      "ban-keywords",
      "check-format",
      "allow-leading-underscore"
    ],
    "whitespace": [
      true,
      "check-branch",
      "check-decl",
      "check-module",
      "check-operator",
      "check-rest-spread",
      "check-separator",
      "check-type",
      "check-type-operator",
      "check-preblock"
    ],

    "naming-convention": [
      true,
      {"type": "default", "format": "camelCase", "leadingUnderscore": "forbid"},
      {"type": "type", "format": "PascalCase"},
      {"type": "class", "format": "PascalCase"},
      {"type": "property", "modifiers": ["const"], "format": "UPPER_CASE"},
      {"type": "member", "modifiers": ["protected"], "format": "camelCase", "leadingUnderscore": "allow"},
      // TODO: Change allow to require when there aren't many PRs out
      // {"type": "member", "modifiers": ["protected"], "format": "camelCase", "leadingUnderscore": "require"},
      {"type": "member", "modifiers": ["private"], "format": "camelCase", "leadingUnderscore": "require"},
      {"type": "variable", "modifiers": ["const"], "format": ["camelCase", "UPPER_CASE"]},
      {"type": "interface", "prefix": "I"}
    ],
    "no-else-after-return": {
      "options": "allow-else-if"
    },
    "prefer-const-enum": [
      true
    ]
  }
}