feat: export scrapox and cosense

Users no longer write `declare const scrapbox: Scrapbox;` in each file.

Author: takker99

userscript.ts

@@ -10,3 +10,19 @@ export * from "./pageMenu.ts";
 export * from "./eventName.ts";
 export * from "./scrapbox.ts";
 export type { EventEmitter } from "./vendor/events.ts";
+import type { Scrapbox } from "./scrapbox.ts";
+
+// The following assignments are a workaround for esbuild
+// Use IIFE to tree-shaking
+
+/** `scrapbox` */
+export const scrapbox: Scrapbox = /* @__PURE__ */ (
+  // deno-lint-ignore no-explicit-any
+  () => (globalThis as any).scrapbox
+)();
+
+/** an alias for {@linkcode scrapbox} */
+export const cosense: Scrapbox = /* @__PURE__ */ (
+  // deno-lint-ignore no-explicit-any
+  () => (globalThis as any).cosense
+)();