{ "env": { "node": true, "es6": true }, "extends": [ "eslint:recommended" ], "parserOptions": { "ecmaVersion": 2019, "warnOnUnsupportedTypeScriptVersion": false, "sourceType": "module" }, "plugins": [ "eslint-plugin-empty-returns" ], "rules": { "array-callback-return": "error", "array-bracket-spacing": "error", "arrow-parens": "error", "arrow-spacing": [ "error", { "before": true, "after": true } ], "block-scoped-var": "error", "brace-style": [ "error", "1tbs", { "allowSingleLine": true } ], "comma-dangle": [ "error", { "arrays": "always-multiline", "objects": "always-multiline", "imports": "always-multiline", "exports": "always-multiline", "functions": "never" } ], "comma-spacing": [ "error", { "before": false, "after": true } ], "curly": "error", "dot-notation": "error", "empty-returns/main": "error", "eol-last": "error", "eqeqeq": "error", "guard-for-in": "error", "indent": ["error", 4, { "ArrayExpression": "first", "ObjectExpression": "first", "CallExpression": {"arguments": "first"}, "FunctionExpression": {"parameters": "first"}, "FunctionDeclaration": {"parameters": "first"} }], "key-spacing": "error", "keyword-spacing": "error", "max-len": [ "error", 100, 2, { "ignoreUrls": true, "ignoreRegExpLiterals": true, "ignoreStrings": true, "ignoreTemplateLiterals": true } ], "new-cap": [ "error", { "capIsNew": false } ], "new-parens": "error", "no-alert": "error", "no-array-constructor": "error", "no-bitwise": "error", "no-caller": "error", "no-catch-shadow": "error", "no-constant-condition": ["error", {"checkLoops": false}], "no-div-regex": "error", "no-duplicate-imports": "error", "no-else-return": "error", "no-eq-null": "error", "no-eval": "error", "no-extra-parens": "error", "no-floating-decimal": "error", "no-implied-eval": "error", "no-inner-declarations": "off", "no-iterator": "error", "no-label-var": "error", "no-labels": "error", "no-loop-func": "error", "no-multi-str": "error", "no-native-reassign": "error", "no-new-func": "error", "no-new-object": "error", "no-new-wrappers": "error", "no-octal-escape": "error", "no-plusplus": "error", "no-proto": "error", "no-return-assign": "error", "no-script-url": "error", "no-self-compare": "error", "no-sync": "error", "no-trailing-spaces": "error", "no-undef-init": "error", "no-unneeded-ternary": [ "error", { "defaultAssignment": false } ], "no-unused-expressions": "error", "no-unused-vars": [ "error", { "vars": "local", "varsIgnorePattern": "print_elapsed_time|check_duplicate_ids" } ], "no-use-before-define": "error", "no-useless-constructor": "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": "off", "no-var": "error", "space-unary-ops": "error", "no-whitespace-before-property": "error", "one-var": [ "error", "never" ], "prefer-const": [ "error", { "ignoreReadBeforeAssign": true } ], "quote-props": [ "error", "as-needed" ], "radix": "error", "semi": "error", "semi-spacing": "error", "sort-imports": "error", "space-before-blocks": "error", "space-before-function-paren": [ "error", { "anonymous": "always", "named": "never", "asyncArrow": "always" } ], "space-in-parens": "error", "space-infix-ops": "error", "spaced-comment": "off", "strict": "off", "template-curly-spacing": "error", "valid-typeof": [ "error", { "requireStringLiterals": true } ], "wrap-iife": "error", "yoda": "error" }, "overrides": [ { "files": [ "frontend_tests/**/*.{js,ts}", "static/js/**/*.{js,ts}" ], "globals": { "$": false, "ClipboardJS": false, "FetchStatus": false, "Filter": false, "Handlebars": false, "LightboxCanvas": false, "MessageListData": false, "MessageListView": false, "Plotly": false, "Sortable": false, "WinChan": false, "XDate": false, "_": false, "activity": false, "admin": false, "alert_words": false, "alert_words_ui": false, "attachments_ui": false, "avatar": false, "billing": false, "blueslip": false, "bot_data": false, "bridge": false, "buddy_data": false, "buddy_list": false, "channel": false, "click_handlers": false, "color_data": false, "colorspace": false, "common": false, "components": false, "compose": false, "compose_actions": false, "compose_fade": false, "compose_pm_pill": false, "compose_state": false, "compose_ui": false, "composebox_typeahead": false, "condense": false, "confirm_dialog": false, "copy_and_paste": false, "csrf_token": false, "current_msg_list": true, "drafts": false, "dropdown_list_widget": false, "echo": false, "emoji": false, "emoji_picker": false, "favicon": false, "feature_flags": false, "feedback_widget": false, "fenced_code": false, "flatpickr": false, "floating_recipient_bar": false, "gear_menu": false, "hash_util": false, "hashchange": false, "helpers": false, "history": false, "home_msg_list": false, "hotspots": false, "i18n": false, "info_overlay": false, "input_pill": false, "invite": false, "jQuery": false, "katex": false, "keydown_util": false, "lightbox": false, "list_cursor": false, "list_render": false, "list_util": false, "loading": false, "localStorage": false, "local_message": false, "localstorage": false, "location": false, "markdown": false, "marked": false, "md5": false, "message_edit": false, "message_edit_history": false, "message_events": false, "message_fetch": false, "message_flags": false, "message_list": false, "message_live_update": false, "message_scroll": false, "message_store": false, "message_util": false, "message_viewport": false, "moment": false, "muting": false, "muting_ui": false, "narrow": false, "narrow_state": false, "navigate": false, "night_mode": false, "notifications": false, "overlays": false, "padded_widget": false, "page_params": false, "panels": false, "people": false, "pm_conversations": false, "pm_list": false, "pm_list_dom": false, "pointer": false, "popovers": false, "presence": false, "reactions": false, "realm_icon": false, "realm_logo": false, "realm_night_logo": false, "recent_senders": false, "recent_topics": false, "reload": false, "reload_state": false, "reminder": false, "resize": false, "rows": false, "rtl": false, "run_test": false, "schema": false, "scroll_bar": false, "scroll_util": false, "search": false, "search_pill": false, "search_pill_widget": false, "search_suggestion": false, "search_util": false, "sent_messages": false, "server_events": false, "server_events_dispatch": false, "settings": false, "settings_account": false, "settings_bots": false, "settings_display": false, "settings_emoji": false, "settings_exports": false, "settings_linkifiers": false, "settings_invites": false, "settings_muting": false, "settings_notifications": false, "settings_org": false, "settings_panel_menu": false, "settings_profile_fields": false, "settings_sections": false, "settings_streams": false, "settings_toggle": false, "settings_ui": false, "settings_user_groups": false, "settings_users": false, "spoilers": false, "starred_messages": false, "stream_color": false, "stream_create": false, "stream_data": false, "stream_edit": false, "stream_events": false, "stream_topic_history": false, "stream_list": false, "stream_muting": false, "stream_popover": false, "stream_sort": false, "stream_ui_updates": false, "StripeCheckout": false, "submessage": false, "subs": false, "tab_bar": false, "templates": false, "tictactoe_widget": false, "timerender": false, "todo_widget": false, "top_left_corner": false, "topic_generator": false, "topic_list": false, "topic_zoom": false, "transmit": false, "tutorial": false, "typeahead_helper": false, "typing": false, "typing_data": false, "typing_events": false, "ui": false, "ui_init": false, "ui_report": false, "ui_util": false, "unread": false, "unread_ops": false, "unread_ui": false, "upgrade": false, "upload": false, "upload_widget": false, "user_events": false, "user_groups": false, "user_pill": false, "user_search": false, "user_status": false, "user_status_ui": false, "poll_widget": false, "vdom": false, "widgetize": false, "zcommand": false, "zform": false, "zxcvbn": false } }, { "files": [ "frontend_tests/casper_tests/*.js", "frontend_tests/casper_lib/*.js" ], "rules": { "no-var": "off" // PhantomJS doesn’t support let, const } }, { "files": ["**/*.ts"], "extends": [ "plugin:@typescript-eslint/recommended" ], "parserOptions": { "project": "tsconfig.json" }, "rules": { // Disable base rule to avoid conflict "empty-returns/main": "off", "indent": "off", "no-extra-parens": "off", "semi": "off", "no-unused-vars": "off", "no-useless-constructor": "off", "@typescript-eslint/array-type": "error", "@typescript-eslint/await-thenable": "error", "@typescript-eslint/consistent-type-assertions": "error", "@typescript-eslint/explicit-function-return-type": ["error", { "allowExpressions": true }], "@typescript-eslint/func-call-spacing": "error", "@typescript-eslint/indent": "error", "@typescript-eslint/member-delimiter-style": "error", "@typescript-eslint/member-ordering": "error", "@typescript-eslint/no-explicit-any": "off", "@typescript-eslint/no-extra-parens": ["error", "all"], "@typescript-eslint/no-extraneous-class": "error", "@typescript-eslint/no-non-null-assertion": "off", "@typescript-eslint/no-parameter-properties": "error", "@typescript-eslint/no-unnecessary-qualifier": "error", "@typescript-eslint/no-unnecessary-type-assertion": "error", "@typescript-eslint/no-unused-vars": ["error", { "varsIgnorePattern": "^_" } ], "@typescript-eslint/no-use-before-define": "error", "@typescript-eslint/no-useless-constructor": "error", "@typescript-eslint/prefer-includes": "error", "@typescript-eslint/prefer-regexp-exec": "error", "@typescript-eslint/prefer-string-starts-ends-with": "error", "@typescript-eslint/promise-function-async": "error", "@typescript-eslint/semi": "error", "@typescript-eslint/type-annotation-spacing": "error", "@typescript-eslint/unified-signatures": "error" } } ] }