feat: singlecharacter shortcuts

helpers/utils/dom.ts

@@ -0,0 +1,19 @@
+export function isDOMElement(el: any): el is HTMLElement {
+  return !!el && (el instanceof Element || el instanceof HTMLElement)
+}
+
+export function isTypableElement(el: HTMLElement): boolean {
+  // If content editable, then it is editable
+  if (el.isContentEditable) return true
+
+  // If element is an input and the input is enabled, then it is typable
+  if (el.tagName === "INPUT") {
+    return !(el as HTMLInputElement).disabled
+  }
+  // If element is a textarea and the input is enabled, then it is typable
+  if (el.tagName === "TEXTAREA") {
+    return !(el as HTMLTextAreaElement).disabled
+  }
+
+  return false
+}