usehooks | Easy to understand React Hook code recipes | Frontend Utils library
kandi X-RAY | usehooks Summary
kandi X-RAY | usehooks Summary
This is the repository for usehooks.com, a Gatsby powered blog that publishes easy to understand React Hook code recipes. If you'd like to submit new post ideas, improve existing posts, or change anything about the website feel free to submit an issue or pull-request. Please consider sponsoring this project through my Github sponsors page. Any level of support is appreciated. I have a few higher tiers that include having your company listed on the usehooks website and newsletter. To run locally, yarn, then yarn dev, then open localhost:8000.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of usehooks
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Trending Discussions on usehooks
QUESTION
The following response
header doesn't set the cookie in browser:
ANSWER
Answered 2021-Jun-02 at 21:52Could you try adding the following to the django-cors-headers
configuration and retry?
CORS_ALLOW_CREDENTIALS = True
Also, please note that the above configuration would probably not work if you are allowing all origins. See this Mozilla documentation: Credential is not supported if the CORS header ‘Access-Control-Allow-Origin’ is ‘*’
If you face such error, I suggest setting:
QUESTION
I am writing unit tests in Jest for this useScript
hook:
https://usehooks.com/useScript/
My project uses Jest / Enzyme for testing (we don't use React Testing Library)
I am trying to test that document.body.appendChild
has been called but when I run the tests I get this response from Jest:
Expected: ObjectContaining {"src": "https://code.jquery.com/jquery-3.6.0.slim.min.js", "type": "text/javascript"} Number of calls: 0
Simplified version of the useHook
script:
ANSWER
Answered 2021-May-07 at 02:49You should spy on document.body.appendChild()
method before executing the effect
function.
QUESTION
I am currently using TypeScript in a nextJS project. I am using a cdn version of flowplayer, added to the page via a hook.
I have a variable on global scope of the component: video.
I am using useScript hook to load it. - https://usehooks.com/useScript/
...ANSWER
Answered 2021-Apr-08 at 18:00I've managed to fix it with this hook:
QUESTION
I'm using firebase authentication for my app. I used useAuth hook from here. Integrate with react-router guide about redirect (Auth).
SignIn,SignOut
function is working as expected. But when I try to refresh the page. It redirects to /login
again.
My expected: Redirect to /
route when authenticated.
I tried to add this code in PrivateRoute.js
...ANSWER
Answered 2021-Feb-19 at 07:43Try this approach, it works for me :
QUESTION
I'm in the middle of trying to get as close to 100% unit test coverage with my React application as possible, however I'm in a bit of a pickle with trying to get test coverage on the useAsync
hook. I took the following code from use react hooks:
ANSWER
Answered 2021-Jan-20 at 15:29Okay, so after much tinkering & googling, I found an answer to my problem, thankfully it's relatively straightforward! 😃 - The short answer being the use of waitFor
.
I made a couple of other modifications, i.e. assigned the timeout delay to a variable called timeout
, but nothing major.
QUESTION
So I have a straight forward app that requires you to login to see a dashboard. I've based my auth flow off of https://reactrouter.com/web/example/auth-workflow which in return bases their flow off of https://usehooks.com/useAuth/
Currently, when a user logs in it calls a function within the context provider to sign in and that function updates the state of the context with the user data retrieved from the server. This is reflected in React dev tools under my context providers as shown in the teacher attribute:
When the context state has successfully been updated I then use useHistory().push("dashboard/main") from the react-router API to go to the dashboard page. The dashboard is a consumer of the context provider but the teacher value is still null when I try rendering the page- even though React dev tools clearly shows the value has been updated. When I log in again, the dashboard will successfully render, so, ultimately, it takes two context updates in order for my Dashboard to reflect the changes and render. See my following code snippets (irrelevant code has been redacted):
App.js
...ANSWER
Answered 2021-Jan-02 at 15:27I think the problem is in the handleFormSubmission
function:
QUESTION
I'm trying to understand this hook : https://usehooks.com/useOnClickOutside/ The hook looks like this :
...ANSWER
Answered 2020-Dec-27 at 13:50at what point will the cleanup function in my useEffect run
From React Docs - When exactly does React clean up an effect?
React performs the cleanup when the component unmounts. However, as we learned earlier, effects run for every render and not just once. This is why React also cleans up effects from the previous render before running the effects next time.
In short, cleanup function runs when:
- Component unmounts
- Before running the
useEffect
again
I read "when it's component unmounts". But I dont exactly know what this means, what component do they mean.
They mean the component in which you use this hook. In your case, that's the App
component.
QUESTION
I am building an app using Next.js and react-dates.
I have two component DateRangePicker component and DayPickerRangeController component.
I want to render DateRangePicker when the window's width is bigger than size 1180px, if the size is less than this I want to render DayPickerRangeController instead.
Here is the code:
...ANSWER
Answered 2020-Aug-14 at 07:15You can avoid calling your detection function in ssr by adding this code:
QUESTION
i write example of dynamically adding text with react useHooks.And using useState to nest. But, there is a problem, the setState is not working?
when i click the text,The setState in the component does not take effect(Normally, it is add a class to the currently clicked text and delete the class on other texts), how do i do?
Below is the specific code link:
https://codesandbox.io/s/nifty-sky-z0p9w?file=/src/App.js
Thanks!
...ANSWER
Answered 2020-Sep-27 at 13:33The issue in your code is that is this:
QUESTION
I have the following component:
...ANSWER
Answered 2020-Aug-24 at 14:48Your code gets stuck in an infinite loop because you haven't passed the dependency array to useEffectLayout
hook.
You actually don't need to use useEffectLayout
hook at all. You can observe the changes to the DOM element using ResizeObserver API
.
P.S: Although OP's problem has already been solved through a demo posted in one of the comments under the question, i am posting an answer for anyone who might look at this question in the future.
Example:
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