zulip/.eslintrc.json

{
    "env": {
        "node": true
    },
    "globals": {
        "$": false,
        "_": false,
        "jQuery": false,
        "Spinner": false,
        "Handlebars": false,
        "XDate": false,
        "zxcvbn": false,
        "LazyLoad": false,
        "Dropbox": false,
        "SockJS": false,
        "marked": false,
        "i18n": false,
        "bridge": false,
        "page_params": false,
        "status_classes": false,
        "password_quality": false,
        "csrf_token": false,
        "typeahead_helper": false,
        "popovers": false,
        "server_events": false,
        "ui": false,
        "stream_color": false,
        "people": false,
        "navigate": false,
        "settings": false,
        "resize": false,
        "loading": false,
        "compose": false,
        "compose_fade": false,
        "subs": false,
        "timerender": false,
        "message_edit": false,
        "reload": false,
        "composebox_typeahead": false,
        "search": false,
        "topic_list": false,
        "gear_menu": false,
        "hashchange": false,
        "message_list": false,
        "Filter": false,
        "pointer": false,
        "util": false,
        "MessageListView": false,
        "blueslip": false,
        "rows": false,
        "WinChan": false,
        "muting_ui": false,
        "Socket": false,
        "channel": false,
        "components": false,
        "viewport": false,
        "avatar": false,
        "feature_flags": false,
        "search_suggestion": false,
        "referral": false,
        "notifications": false,
        "message_flags": false,
        "bot_data": false,
        "stream_list": false,
        "narrow": false,
        "admin": false,
        "stream_data": false,
        "muting": false,
        "Dict": false,
        "unread": false,
        "alert_words_ui": false,
        "message_store": false,
        "favicon": false,
        "condense": false,
        "floating_recipient_bar": false,
        "tab_bar": false,
        "emoji": false,
        "activity": false,
        "invite": false,
        "colorspace": false,
        "tutorial": false,
        "templates": false,
        "alert_words": false,
        "fenced_code": false,
        "echo": false,
        "localstorage": false,
        "current_msg_list": true,
        "home_msg_list": false,
        "pm_list": false,
        "unread_ui": false,
        "Plotly": false
    },
    "rules": {
        "no-restricted-syntax": 1,
        "no-nested-ternary": 1,
        "spaced-comment": 1,
        "space-infix-ops": 1,
        "newline-per-chained-call": 1,
        "no-whitespace-before-property": 1,
        "padded-blocks": 1,
        "space-in-parens": 1,
        "eol-last": ["error", "always"],
        "no-unneeded-ternary": ["error", { "defaultAssignment": false }],
        "no-case-declarations": "error",
        "eqeqeq": ["error", "allow-null"],
        "no-duplicate-imports": "error",
        "no-undef": "error",
        "dot-notation": ["error", { "allowKeywords": true }],
        "no-iterator": "error",
        "no-dupe-class-members": "error",
        "no-useless-constructor": "error",
        "prefer-const": ["error", {
            "destructuring": "any",
            "ignoreReadBeforeAssign": true
        }],
        "no-const-assign": "error",
        "no-new-object": 2,
        "quote-props": ["error", "as-needed", {
            "keywords": false,
            "unnecessary": true,
            "numbers": false
        }],
        "no-array-constructor": "error",
        "array-callback-return": "error",
        "template-curly-spacing": "error",
        //The Zulip codebase complies partially with the "no-useless-escape" rule; only regex expressions haven't been updated yet.
        //Updated regex expressions are currently being tested in casper files and will decide about a potential future enforcement of this rule.
        "no-useless-escape": 1,
        "func-style": ["off", "expression"],
        "wrap-iife": ["error", "outside", { "functionPrototypeMethods": false }],
        "no-new-func": "error",
        "space-before-function-paren": ["error", { "anonymous": "always", "named": "never", "asyncArrow": "always" }],
        "no-param-reassign": 1,
        "prefer-spread": "error",
        "arrow-spacing": ["error", { "before": true, "after": true }],
        "no-alert": 2,
        "no-array-constructor": 2,
        "no-caller": 2,
        "no-bitwise": 2,
        "no-catch-shadow": 2,
        "comma-dangle": 0,
        "no-console": 1,
        "no-control-regex": 2,
        "no-debugger": 2,
        "no-div-regex": 2,
        "no-dupe-keys": 2,
        "no-else-return": 2,
        "no-empty": 2,
        "no-empty-character-class": 2,
        "no-eq-null": 2,
        "no-eval": 2,
        "no-ex-assign": 2,
        "no-extra-semi": 2,
        "no-func-assign": 2,
        "no-floating-decimal": 2,
        "no-implied-eval": 2,
        "no-with": 2,
        "no-fallthrough": 2,
        "no-unreachable": 2,
        "no-undef": 2,
        "no-undef-init": 2,
        "no-unused-expressions": 2,
        "no-octal": 2,
        "no-octal-escape": 2,
        "no-obj-calls": 2,
        "no-multi-str": 2,
        "no-new-wrappers": 2,
        "no-new": 2,
        "no-new-func": 2,
        "no-native-reassign": 2,
        "no-plusplus": 2,
        "no-delete-var": 2,
        "no-return-assign": 2,
        "no-new-object": 2,
        "no-label-var": 2,
        "no-ternary": 0,
        "no-self-compare": 2,
        "no-sync": 2,
        "no-underscore-dangle": 1,
        "no-loop-func": 2,
        "no-labels": 2,
        "no-unused-vars": ["error", { "vars": "local", "args": "after-used",
                                      "varsIgnorePattern": "print_elapsed_time|check_duplicate_ids"
                                    }],
        "no-script-url": 2,
        "no-proto": 2,
        "no-iterator": 2,
        "no-mixed-requires": [0, false],
        "no-extra-parens": ["error", "functions"],
        "no-shadow": 1,
        "no-use-before-define": 2,
        "no-redeclare": 2,
        "no-regex-spaces": 2,
        "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
        "block-scoped-var": 2,
        "camelcase": 1,
        "complexity": [0, 4],
        "curly": 2,
        "dot-notation": 2,
        "guard-for-in": 2,
        "max-depth": [0, 4],
        "max-len": ["error", 100, 2, {
            "ignoreUrls": true,
            "ignoreComments": false,
            "ignoreRegExpLiterals": true,
            "ignoreStrings": true,
            "ignoreTemplateLiterals": true
        }],
        "max-params": [0, 3],
        "max-statements": [0, 10],
        "new-cap": ["error", { "newIsCap": true, "capIsNew": false }],
        "new-parens": 2,
        "one-var": ["error", "never"],
        "quotes": [1, "single"],
        "quote-props": ["error", "as-needed", { "keywords": false, "unnecessary": true, "numbers": false }],
        "radix": 2,
        "semi": 2,
        "keyword-spacing": ["error", {
            "before": true,
            "after": true,
            "overrides": {
                "return": { "after": true },
                "throw": { "after": true },
                "case": { "after": true }
            }
        }],
        "space-before-blocks": 2,
        "strict": 1,
        "unnecessary-strict": 0,
        "use-isnan": 2,
        "valid-typeof": ["error", { "requireStringLiterals": true }],
        "wrap-iife": 2,
        "wrap-regex": 0,
        "yoda": 2
    }
}