tslint.json

{
  "defaultSeverity": "error",
  "extends": ["tslint:recommended", "tslint-react", "tslint-microsoft-contrib"],
  "jsRules": {},
  "rules": {
    // prettier is handling this
    "align": false,
    "newline-per-chained-call": false,
    "array-type": [true, "generic"],
    "number-literal-format": false,

    // Preferred by Prettier:
    "arrow-parens": [true, "ban-single-arg-parens"],

    // Breaks when we use .extend() to create a Backbone subclass
    "no-invalid-this": false,

    "import-spacing": false,
    "indent": [true, "spaces", 2],
    "interface-name": [true, "never-prefix"],
    "member-access": false,
    "member-ordering": false,
    "newline-before-return": false,
    "prefer-for-of": false,
    "no-this-assignment": false,
    "binary-expression-operand-order": false,
    "no-backbone-get-set-outside-model": false,

    // Allows us to write inline `style`s. Revisit when we have a more sophisticated
    // CSS-in-JS solution:
    "jsx-no-multiline-js": false,

    // We'll make tradeoffs where appropriate
    "jsx-no-lambda": false,
    "react-this-binding-issue": false,

    "linebreak-style": [true, "LF"],

    // Prettier handles this for us
    "max-line-length": false,

    "mocha-avoid-only": true,
    // Disabled until we can allow dynamically generated tests:
    // https://github.com/Microsoft/tslint-microsoft-contrib/issues/85#issuecomment-371749352
    "mocha-no-side-effect-code": false,
    "mocha-unneeded-done": true,

    // We always want 'as Type'
    "no-angle-bracket-type-assertion": true,

    // mostly always a false positive
    "no-backbone-get-set-outside-model": false,

    "no-consecutive-blank-lines": [true, 2],
    "object-literal-key-quotes": [true, "as-needed"],
    "object-literal-sort-keys": false,

    // Ignore import sources order until we can specify that we want ordering
    // based on import name vs module name:
    "ordered-imports": [
      true,
      {
        "import-sources-order": "any",
        "named-imports-order": "case-insensitive-legacy"
      }
    ],

    "quotemark": [
      true,
      "single",
      "jsx-double",
      "avoid-template",
      "avoid-escape"
    ],

    // Preferred by Prettier:
    "semicolon": [true, "always", "ignore-bound-class-methods"],

    // Preferred by Prettier:
    "trailing-comma": [
      true,
      {
        "singleline": "never",
        "multiline": {
          "objects": "always",
          "arrays": "always",
          "functions": "never",
          "typeLiterals": "always"
        },
        "esSpecCompliant": true
      }
    ],

    // Crashing!
    "use-default-type-parameter": false,

    // Disabling a large set of Microsoft-recommended rules

    // Modifying:

    // React components and namespaces are Pascal case
    "variable-name": [true, "allow-pascal-case"],
    "variable-name": [
      true,
      "check-format",
      "allow-leading-underscore",
      "allow-pascal-case"
    ],

    "function-name": [
      true,
      {
        "function-regex": "^_?[A-Za-z][\\w\\d]+$",
        "method-regex": "^_?[a-z][\\w\\d]+$",
        "static-method-regex": "^_?[a-z][\\w\\d]+$"
      }
    ],

    // Adding select dev dependencies here for now, may turn on all in the future
    "no-implicit-dependencies": [
      true,
      [
        "dashdash",
        "electron",
        "@storybook/react",
        "@storybook/addon-actions",
        "@storybook/addon-knobs"
      ]
    ],

    // So things like "autoplay" on <video> work
    "jsx-boolean-value": false,

    // Maybe will turn on:

    // We're not trying to be comprehensive with JSDoc right now. We have the style guide.
    "completed-docs": false,
    // Today we have files with a single named export which isn't the filename. Eventually.
    "export-name": false,
    // We have a lot of 'any' in our code today
    "no-any": false,
    // We use this today, could get rid of it
    "no-increment-decrement": false,
    // This seems to detect false positives: any multi-level object literal, for example
    "no-object-literal-type-assertion": false,
    // I like relative references to the current dir, or absolute. Maybe can do this?
    "no-relative-imports": false,
    // We have a lot of 'any' in our code today
    "no-unsafe-any": false,
    // Not everything needs to be typed right now
    "typedef": false,

    // Probably won't turn on:

    "possible-timing-attack": false,
    // We use null
    "no-null-keyword": false,
    // We want to import a capitalized React, for example
    "import-name": false,
    // We have the styleguide for better docs
    "missing-jsdoc": false,
    // 'type' and 'number' are just too common
    "no-reserved-keywords": false,
    // The style guide needs JSDoc-style block comments to extract proptype documentation
    "no-single-line-block-comment": false,
    // Out-of-order functions can improve readability
    "no-use-before-declare": false,
    // We use Array<type> syntax
    "prefer-array-literal": false,
    // We prefer key: () => void syntax, because it suggests an object instead of a class
    "prefer-method-signature": false,
    // 'as' is nicer than angle brackets.
    "prefer-type-cast": false,
    // We use || and && shortcutting because we're javascript programmers
    "strict-boolean-expressions": false
  },
  "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
  "linterOptions": {
    "exclude": [
      "sticker-creator/**/*.ts",
      "sticker-creator/**/*.tsx",
      "ts/*.ts",
      "ts/backbone/**",
      "ts/build/**",
      "ts/components/*.ts[x]",
      "ts/components/conversation/**",
      "ts/components/emoji/**",
      "ts/components/stickers/**",
      "ts/notifications/**",
      "ts/protobuf/**",
      "ts/scripts/**",
      "ts/services/**",
      "ts/shims/**",
      "ts/state/**",
      "ts/storybook/**",
      "ts/test/**",
      "ts/types/**",
      "ts/updater/**",
      "ts/util/**"
    ]
  }
}