score:1
Accepted answer
there are 2 problems here.
- the
appprovider
should be a parent ofapp
. this way it can fully access the context.
const rootelement = document.getelementbyid("root");
render(
<appprovider>
<app />
</appprovider>,
rootelement
);
dispatch
is changing the state async soconsole.log
just afterdispatch
logs the old value. you should "watch" the change usinguseeffect
.
react.useeffect(() => {
console.log("effect", state.show);
}, [state.show]);
a working demo: https://codesandbox.io/s/peaceful-blackwell-ohd0y?file=/src/index.tsx
Source: stackoverflow.com
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