Register jQuery with shims

js/webpack-config-shims.d.ts

@@ -2,16 +2,18 @@ import * as Mithril from 'mithril';
 import Stream from 'mithril/stream';
 
 import * as _dayjs from 'dayjs';
+import * as _$ from 'jquery';
 
 interface m extends Mithril.Static {
     prop: typeof Stream;
 }
 
 declare global {
+    const $: typeof _$;
     const m: m;
     const dayjs: typeof _dayjs;
 }
 
 export as namespace Mithril;
 
-export {};
+export {};