From 8542ce2848c737bd01af5c0c3eaea0bf4acb2d17 Mon Sep 17 00:00:00 2001 From: Travis Ralston Date: Thu, 11 Apr 2024 16:44:32 -0600 Subject: [PATCH] appease jest --- src/vector/platform/WebPlatform.ts | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/src/vector/platform/WebPlatform.ts b/src/vector/platform/WebPlatform.ts index 0eb268e0c0..e25c90360e 100644 --- a/src/vector/platform/WebPlatform.ts +++ b/src/vector/platform/WebPlatform.ts @@ -47,10 +47,13 @@ export default class WebPlatform extends VectorBasePlatform { // Register service worker if available on this platform if ("serviceWorker" in navigator) { // sw.js is exported by webpack, sourced from `/src/serviceworker/index.ts` - navigator.serviceWorker - .register("sw.js") - .then((r) => r.update()) - .catch((e) => console.error("Error registering/updating service worker:", e)); + const swPromise = navigator.serviceWorker.register("sw.js"); + + // Jest causes `register()` to return undefined, so swallow that case. + if (swPromise) { + swPromise.then((r) => r.update()) + .catch((e) => console.error("Error registering/updating service worker:", e)); + } } }