From bdc69c18c1986544497b6974ffe5d8e073e4be6d Mon Sep 17 00:00:00 2001 From: crupest Date: Thu, 14 Sep 2023 18:58:44 +0800 Subject: ... --- .../components/hooks/useAutoUnsubscribePromise.tsx | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 FrontEnd/src/components/hooks/useAutoUnsubscribePromise.tsx (limited to 'FrontEnd/src/components/hooks/useAutoUnsubscribePromise.tsx') diff --git a/FrontEnd/src/components/hooks/useAutoUnsubscribePromise.tsx b/FrontEnd/src/components/hooks/useAutoUnsubscribePromise.tsx new file mode 100644 index 00000000..78e21151 --- /dev/null +++ b/FrontEnd/src/components/hooks/useAutoUnsubscribePromise.tsx @@ -0,0 +1,23 @@ +import { useEffect, DependencyList } from "react"; + +export default function useAutoUnsubscribePromise( + promiseGenerator: () => Promise | null | undefined, + resultHandler: (data: T) => void, + dependencies?: DependencyList | undefined, +) { + useEffect(() => { + let subscribe = true; + const promise = promiseGenerator(); + if (promise) { + void promise.then((data) => { + if (subscribe) { + resultHandler(data); + } + }); + + return () => { + subscribe = false; + }; + } + }, dependencies); +} -- cgit v1.2.3