streamich/rx-use

React hook that returns unmount notifier observable

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#14 opened on May 18, 2020

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good first issuehelp wanted

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Description

Create React hook which returns and indicator observable which signals when component was unmounted.

const MyComponent = () => {
  const unmounted$ = useUnmounted();

  useEffect(() => {
    something$.pipe(
      takeUntil(unmounted$)
    );
  }, []);
};

Contributor guide

Research direction
Look at existing React hooks that use RxJS, such as useEffect with Subject for cleanup, and create a simple hook that returns a Subject that emits on unmount.
Tech stack
typescriptreact
Domain
frontend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
ReactRxJS
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70