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46 changes: 46 additions & 0 deletions internal/web/source/lib/keyboard-shortcut-guard.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
function isEditableTarget(target: EventTarget | null): target is HTMLElement {
if (!(target instanceof HTMLElement)) {
return false
}

if (target.isContentEditable) {
return true
}

const tag = target.tagName
return tag === "INPUT" || tag === "TEXTAREA" || tag === "SELECT"
}

function shouldIgnoreShortcut(event: KeyboardEvent): boolean {
if (event.ctrlKey || event.metaKey || event.altKey) {
return false
}

if (event.isComposing) {
return false
}

return isEditableTarget(event.target) && event.key.length === 1
}

function installGuard(): void {
window.addEventListener(
"keydown",
(event) => {
if (!shouldIgnoreShortcut(event)) {
return
}

event.stopImmediatePropagation()
},
true
)
}

if (typeof window !== "undefined") {
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", installGuard, { once: true })
} else {
installGuard()
}
}
1 change: 1 addition & 0 deletions internal/web/source/lib/utils.ts
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import { clsx, type ClassValue } from "clsx"
import { twMerge } from "tailwind-merge"
import "./keyboard-shortcut-guard"

export function cn(...inputs: ClassValue[]) {
return twMerge(clsx(inputs))
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