Improve environment detection.

diff --git a/src/lib/pool.ts b/src/lib/pool.ts
index 6360beeb2edb467fdf972f931a7e6ccaef7c0b25..4c4830028754ce38cc94635f3ec527e322c7db5f 100644 (file)
--- a/src/lib/pool.ts
+++ b/src/lib/pool.ts
@@ -1,7 +1,10 @@
 // SPDX-FileCopyrightText: 2024 Chris Duncan <chris@zoso.dev>
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-if (globalThis.Worker == null) {
+/**
+* Polyfill for window methods which do not exist when executing Node.js tests.
+*/
+if (typeof window === 'undefined' && typeof self === 'undefined') {
        const { Worker } = await import('node:worker_threads')
        //@ts-expect-error
        Worker.prototype.addEventListener = Worker.prototype.addListener