You can check out Dan's post on why this makes sense. I guess we’ll have to disable autofix if running it without looking is so common. getResults(); I decided to add eslint and use the original eslint-plugin-react-hooks. I believe we agree on these two things, but correct me if I'm wrong. You wouldn’t have this problem if you weren’t using the “action creator” pattern. We'd like a way to indicate that the autofix isn't guaranteed to work, but is a good starting point for the fix (e.g. Similarly, @jaredpalmer had issues where it was forcing him to useCallback for unnecessary reasons. The key word being mutable—which hideSelf is not. @marceloadsj eslint rule is seeking for variables used. You are actually using wrapper variable, so it must be added to deps list. For the first, we use useEffect and often suppress the ESLint rule. When I use the useEffect hook I think about what dependencies I want to trigger the effect. Swapping out our Syntax Highlighter. Even still, after the restructuring we did have to suppress the react-hooks/exhaustive-deps quite a few times, though, by placing // eslint-disable-line react-hooks/exhaustive-deps on offending lines. @FredyC can probably articulate better than I can why it's not recommended to pass in MobX store dependencies into useEffect hooks? Thanks for the quick response @gaearon.I've been through those links you mentioned. to your account, Do you want to request a feature or report a bug? Here is a short snippet showing the effect that causes the problem. https://codesandbox.io/s/3499qqr565. To state another example, see this component: However, if you use the result of the function it's more obvious that the object should be included in the dependency array. SYNC missed versions from official npm registry.. eslint-plugin-react-hooks. After going through one of our apps and restructuring everything to avoid errors, I do agree that it's appropriate to work around the warnings thrown for using Redux functionality in a Hook. Curiously your desire to break the rule here does uncover the problem in an app. Then any effect that needs to dispatch something just needs [dispatch] as dependencies which is easy to read and remember it never changes in practice. Or else it would be handy to choose to consciously ignore them (but not everything): So far I've found I'm looking for variable changes, not functions. I think it is acceptable to have both tslint and eslint temporarily, until we migrate. This discussion has come a long way from its original question. The root of the issue here is that ESLint offers no way to offer "suggestions". I agree that the code is not excellent the way it is! (maybe this is not the case in your app). 500ms? This would actually be a really great candidate for a built-in Hook, since by creating our own Hook we're missing out on the linting. I think it’s likely because React Redux encourages the “action creator” pattern where you get a bunch of methods and then call them individually. However again, you always have an escape hatch of making your own Hook with explicitly different semantics. The setStatefunction is used to update the state. Is there a better way to design this? Regarding the hideSelf example above. "react-hooks/exhaustive-deps": "warn" }, Now that you already have eslint and you would like to extends its capabilities to typescript, install the following to the dev dependencies: First, install the rule: npm install tslint-react-hooks --save-dev Around the time Hooks was released, the eslint-plugin-react-hooks package was built and released. This is why wrapper does not need to be a dependency. Can you explain why I need the prop functions in the dep list, is it to make sure I get the latest/correct ref to the function, as it might change? @bartlangelaan the functions aren't equivalent on your example, but they can be if we go for: But, of course, eslint cannot know about it! But that's intentional; we only want that hook to run when this component mounts. --ext .ts,.tsx,.js,.jsx to run the linter. Since my comment about action creators got "buried" in the collapsed thread, I'll post it again here: #6880 (comment). So the distinction between “mount” and “update”, while very familiar, is often the wrong tool. That is, "actable" means it either directly effects rendering, or can directly cause action. React has a built-in hook called useEffect.Hooks are used in function components.

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