tslint.json

{
  "extends": [
    "tslint-config-airbnb"
  ],
  "rules": {
    /* modifications to base config */
    // adds statements, members, and elements to the base config
    "align": [
      true,
      "parameters",
      "arguments",
      "statements",
      "members",
      "elements"
    ],
    // adds number of spaces so auto-fixing will work
    "indent": [
      true,
      "spaces",
      2
    ],
    // increase value from 100 in base config to 120
    "max-line-length": [
      true,
      120
    ],
    // adds avoid-escape and avoid-template
    "quotemark": [
      true,
      "single",
      "avoid-escape",
      "avoid-template"
    ],
    // adds ban-keywords and allow-leading-underscores
    // once this gets implemented, we should incorporate it: https://github.com/palantir/tslint/issues/3442
    "variable-name": [
      true,
      "ban-keywords",
      "check-format",
      "allow-leading-underscore",
      "allow-snake-case"
    ],
    // adds check-module, check-type, check-rest-spread, check-typecast, check-type-operator
    "whitespace": [
      true,
      "check-branch",
      "check-decl",
      "check-operator",
      "check-preblock",
      "check-type",
      "check-module",
      "check-separator",
      "check-rest-spread",
      "check-typecast",
      "check-type-operator"
    ],
    /* not used in base config */
    "await-promise": true,
    "ban-comma-operator": true,
    // Disabling the following rule because of https://github.com/palantir/tslint/issues/4493
    // "completed-docs": true,
    "interface-over-type-literal": true,
    "jsdoc-format": [
      true,
      "check-multiline-start"
    ],
    "member-access": [
      true,
      "check-accessor"
    ],
    "no-duplicate-imports": true,
    "no-duplicate-switch-case": true,
    "no-duplicate-variable": true,
    "no-dynamic-delete": true,
    "no-empty": true,
    "no-floating-promises": true,
    "no-for-in-array": true,
    "no-implicit-dependencies": [true, "dev"],
    "no-object-literal-type-assertion": true,
    "no-redundant-jsdoc": true,
    "no-require-imports": true,
    "no-return-await": true,
    "no-submodule-imports": true,
    "no-this-assignment": true,
    "no-unused-expression": true,
    "no-var-requires": true,
    "one-line": [
      true,
      "check-else",
      "check-whitespace",
      "check-open-brace",
      "check-catch",
      "check-finally"
    ],
    "strict-boolean-expressions": [
      true,
      "allow-boolean-or-undefined"
    ],
    "typedef": [
      true,
      "call-signature"
    ],
    "typedef-whitespace": [
      true,
      {
        "call-signature": "nospace",
        "index-signature": "nospace",
        "parameter": "nospace",
        "property-declaration": "nospace",
        "variable-declaration": "nospace"
      }
    ]
    // TODO: find a rule similar to https://palantir.github.io/tslint/rules/no-construct/, except it bans those types
    // from interfaces (e.g. a function that returns Boolean is an error, it should return boolean)
  },
  "linterOptions": {
    "format": "verbose"
  }
}