Keybinding -

✅ Manager class with registration, remapping, context support ✅ React hook + provider integration ✅ UI panel for user customization ✅ Conflict detection (optional but recommended) ✅ Local storage persistence ✅ Keyboard normalization & matching

handleKeydown(event: KeyboardEvent) const pressed = this.normalizeEvent(event); for (const binding of this.bindings.values()) const keys = binding.userKeys ?? binding.defaultKeys; if ( this.matches(pressed, keys) && (binding.context === "global" keybinding

function Editor() useKeybinding("save", () => console.log("Saved via Ctrl+S"); ); return <textarea />; ✅ Manager class with registration

on(id: string, callback: () => void) if (!this.listeners.has(id)) this.listeners.set(id, new Set()); this.listeners.get(id)!.add(callback); if ( this.matches(pressed

function KeybindingSettings( bindings, onRemap ) null>(null); const capture = (id: string) => setRecording(id); const handler = (e: KeyboardEvent) => e.preventDefault(); const keys = normalizeEvent(e); onRemap(id, [keys]); setRecording(null); window.removeEventListener("keydown", handler); ; window.addEventListener("keydown", handler); ;

private normalizeEvent(e: KeyboardEvent): string const parts = []; if (e.ctrlKey) parts.push("ctrl"); if (e.shiftKey) parts.push("shift"); if (e.altKey) parts.push("alt"); if (e.metaKey) parts.push("meta"); parts.push(e.key.toLowerCase()); return parts.join("+");