.eslintrc

// this file was auto-generated, do not edit it directly.
// instead run bin/update_build_scripts from
// https://github.com/sharelatex/sharelatex-dev-environment
{
  "extends": [
    "eslint:recommended",
    "standard",
    "prettier"
  ],
  "parserOptions": {
    "ecmaVersion": 2018
  },
  "plugins": [
    "mocha",
    "chai-expect",
    "chai-friendly"
  ],
  "env": {
    "node": true,
    "mocha": true
  },
  "rules": {
    // TODO(das7pad): remove overrides after fixing all the violations manually (https://github.com/overleaf/issues/issues/3882#issuecomment-878999671)
    // START of temporary overrides
    "array-callback-return": "off",
    "no-dupe-else-if": "off",
    "no-var": "off",
    "no-empty": "off",
    "node/handle-callback-err": "off",
    "no-loss-of-precision": "off",
    "node/no-callback-literal": "off",
    "node/no-path-concat": "off",
    "prefer-regex-literals": "off",
    // END of temporary overrides

    // Swap the no-unused-expressions rule with a more chai-friendly one
    "no-unused-expressions": 0,
    "chai-friendly/no-unused-expressions": "error",

    // Do not allow importing of implicit dependencies.
    "import/no-extraneous-dependencies": "error"
  },
  "overrides": [
    {
      // Test specific rules
      "files": ["test/**/*.js"],
      "globals": {
        "expect": true
      },
      "rules": {
        // mocha-specific rules
        "mocha/handle-done-callback": "error",
        "mocha/no-exclusive-tests": "error",
        "mocha/no-global-tests": "error",
        "mocha/no-identical-title": "error",
        "mocha/no-nested-tests": "error",
        "mocha/no-pending-tests": "error",
        "mocha/no-skipped-tests": "error",
        "mocha/no-mocha-arrows": "error",

        // chai-specific rules
        "chai-expect/missing-assertion": "error",
        "chai-expect/terminating-properties": "error",

        // prefer-arrow-callback applies to all callbacks, not just ones in mocha tests.
        // we don't enforce this at the top-level - just in tests to manage `this` scope
        // based on mocha's context mechanism
        "mocha/prefer-arrow-callback": "error"
      }
    },
    {
      // Backend specific rules
      "files": ["app/**/*.js", "app.js", "index.js"],
      "rules": {
        // don't allow console.log in backend code
        "no-console": "error",

        // Do not allow importing of implicit dependencies.
        "import/no-extraneous-dependencies": ["error", {
          // Do not allow importing of devDependencies.
          "devDependencies": false
        }]
      }
    }
  ]
}