Function getCtrlKey

packages/base/src/Keys.ts:253–253

(event: KeyboardEvent)

const hasModifierKeys = (event: KeyboardEvent): boolean => event.shiftKey || event.altKey || getCtrlKey(event);

const getCtrlKey = (event: KeyboardEvent): boolean => !!(event.metaKey || event.ctrlKey); // double negation doesn't have effect on boolean but ensures null and undefined are equivalent to false.

const checkModifierKeys = (event: KeyboardEvent, bCtrlKey: boolean, bAltKey: boolean, bShiftKey: boolean):boolean => event.shiftKey === bShiftKey && event.altKey === bAltKey && getCtrlKey(event) === bCtrlKey;