ErrLookup › nwjs/nw.js

nwjs/nw.js

Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies. · JavaScript · 263 source files

Analyzed at e15da848e9 on 2026-08-13. 33 documented errors.

Code / MessageTypeSeverityTags
'menu' must be a valid Menu
exception error nwjs, tray, validation, menu, constructor-name
Invaild parameter, need Shortcut object.
validation error nwjs, app, shortcut, global-hotkey, type-validation
mixed_context should be set with new_instance in…
exception error nwjs, window, api-misuse, mixed-context
It's forbidden to instantialize a Base class.
exception error nwjs, base, abstract-class, internal, programming-error
Invalid 'key' format.
exception error nwjs, shortcut, validation, accelerator
'menu' property requries a valid Menu
exception error nwjs, tray, validation, menu, setter, constructor-name
Invalid option.
exception error nwjs, shortcut, validation, constructor
Only menu of type "menubar" can be used as this.window menu
exception error nwjs, window, validation, menu, menubar, setter
patches failed to apply. Your build will not be correct.
exception critical nwjs, build, patcher, patch-conflict, git-apply, python
nw.callStaticMethodSync(Screen, AddScreenChangeCallback)…
exception error nwjs, screen, native, environment, headless
'shortcut' argument is not an instance of nw.Shortcut
exception error nwjs, shortcut, validation, instanceof, registration
'submenu' must be a valid Menu
validation error nwjs, menuitem, menu, submenu, type-validation
Patch config file does not exist.
exception critical nwjs, build, patcher, config-missing, python
'click' must be a valid Function
validation error nwjs, menuitem, constructor, callback, type-validation
Menu.append() requires a valid MenuItem
validation error nwjs, menu, menuitem, type-validation
'active' must be a valid function.
validation error shortcut, constructor, type-check, nwjs
Shortcut requires 'key' to specify key combinations.
validation error nwjs, shortcut, constructor, validation, required-field
Invalid MenuItem type
validation error nwjs, menuitem, constructor, validation
listener must be a function
exception error nwjs, window, validation, event-listener, once
only following event can be listened: displayBoundsChanged…
validation error nwjs, screen, events, validation, whitelist
A normal MenuItem must have a label
validation error nwjs, menuitem, constructor, validation, required-field
Invalid menu type
validation error nwjs, menu, constructor, validation
Must set 'title' or 'icon' field in option
exception error nwjs, tray, validation, required-field
Type of ' ' is not supported
validation error nwjs, clipboard, type-validation, unsupported-feature
'submenu' property requries a valid Menu
validation error nwjs, menuitem, submenu, type-validation, immutable-adjacent
Expecting get(string, optional boolean) or…
validation error clipboard, overload, type-check, nwjs
'failed' must be a valid function.
exception error nwjs, shortcut, validation, callback
'type' is immutable at runtime
exception error nwjs, menuitem, immutable, read-only, programming-error
Menu.items is immutable
exception error menu, immutable, setter, nwjs
Only support getting plain text from Clipboard
validation error nwjs, clipboard, type-validation, unsupported-feature
'checked' property is only available for checkbox
validation error nwjs, menuitem, checkbox, validation, state
Expecting set(string, optional string, optional boolean) or…
validation error clipboard, overload, type-check, nwjs
Invalid option
validation error tray, constructor, type-check, nwjs