tslint.json

{
  "extends": [
    "tslint:latest",
    "tslint-config-prettier",
    "tslint-immutable"
  ],
  "rules": {
    "interface-name": [
      true,
      "never-prefix"
    ],
    "variable-name": [
      true,
      "ban-keywords",
      "check-format",
      "allow-leading-underscore",
      "allow-trailing-underscore",
      "allow-pascal-case"
    ],
    "no-console": false,
    // TODO: allow devDependencies only in **/*.spec.ts files:
    // waiting on https://github.com/palantir/tslint/pull/3708
    "no-implicit-dependencies": [
      true,
      "dev"
    ],
    /* tslint-immutable rules */
    // Recommended built-in rules
    "no-var-keyword": true,
    "no-parameter-reassignment": true,
    "typedef": [
      true
    ],
    "object-literal-sort-keys": false,
    // Immutability rules
    "readonly-keyword": false,
    "readonly-array": false,
    "no-let": false,
    // "no-let": true,
    "no-object-mutation": true,
    "no-delete": true,
    "no-method-signature": true,
    // Functional style rules
    "no-empty-interface": false,
    "no-this": false,
    "no-class": false,
    // "no-mixed-interface": true,
    "no-mixed-interface": false,
    "no-expression-statement": [
      // true,
      false,
      {
        "ignore-prefix": [
          "console.",
          "process.exit"
        ]
      }
    ],
    "array-type": [
      true,
      "array-simple"
    ]
    /* end tslint-immutable rules */
  }
}