frintjs/frint

Proposal: App registration upon availability of other Apps

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#432 opened on Jul 12, 2018

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help wantedproposal

Description

Currently

If we want to wait for certain Apps to be available first, before registering a new App, we do it like this:

window.app.getAppOnceAvailable$('FooApp').subscribe(
  fooApp => window.app.registerApp(BazApp)
);

Proposal

We can make things a bit more easier:

window.app.registerAppOnceAvailable(['FooApp', 'BarApp'], BazApp);

(not convinced with the method name registerOnceAvailable yet)

Relates to #425

Contributor guide

Tech stack
javascript
Domain
frontenddeveloper experience
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
JavaScriptRxJSfrint basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Start by examining the existing app registration mechanism in `src/app.js` or similar files. The `registerApp` and `getAppOnceAvailable` methods are likely defined there. Understand how the RxJS observable pattern is used. Then implement a new method `registerAppOnceAvailable` that takes an array of app names and a callback. Ensure to handle errors and edge cases. Check referenced issue #425 for related context.
Proposal: App registration upon availability of other Apps · frintjs/frint#432 | Good First Issue