feat: Support LaTeX and AsciiMath via MathJax on stem.excalidraw.com

src/actions/shortcuts.ts

@@ -80,8 +80,23 @@ const shortcutMap: Record<ShortcutName, string[]> = {
   toggleLock: [getShortcutKey("CtrlOrCmd+Shift+L")],
 };
 
-export const getShortcutFromShortcutName = (name: ShortcutName) => {
-  const shortcuts = shortcutMap[name];
+export type CustomShortcutName = string;
+
+let customShortcutMap: Record<CustomShortcutName, string[]> = {};
+
+export const registerCustomShortcuts = (
+  shortcuts: Record<CustomShortcutName, string[]>,
+) => {
+  customShortcutMap = { ...customShortcutMap, ...shortcuts };
+};
+
+export const getShortcutFromShortcutName = (
+  name: ShortcutName | CustomShortcutName,
+) => {
+  const shortcuts =
+    name in customShortcutMap
+      ? customShortcutMap[name as CustomShortcutName]
+      : shortcutMap[name as ShortcutName];
   // if multiple shortcuts available, take the first one
   return shortcuts && shortcuts.length > 0 ? shortcuts[0] : "";
 };