tslint.json

{
  "extends": ["tslint:recommended", "tslint-react", "tslint-config-prettier"],
  "linterOptions": {
    "exclude": [
      "config/**/*.js",
      "node_modules/**/*.ts",
      "coverage/lcov-report/*.js"
    ]
  },
  "rules": {
    "object-literal-sort-keys": false, // we use emotion css objects for styles alphabetising the rules will make them harder to reason about
    "interface-name": false,
    // Recommended built-in rules
    "no-var-keyword": true,
    "no-parameter-reassignment": true,
    "typedef": [true, "call-signature"],
    "jsx-boolean-value": false,

    // Immutability rules
    "readonly-keyword": false,
    "readonly-array": false,
    "no-let": false,
    "no-object-mutation": true,
    "no-delete": true,
    "no-method-signature": true,

    // Functional style rules
    "no-this": false,
    "no-class": false,
    "no-mixed-interface": false,
    "no-expression-statement": false, // this thwarts our test library and endpoints
    "no-if-statement": false,

    // Premature optimisation
    "jsx-no-lambda": false
  },
  "rulesDirectory": []
}