easy-peasy | Vegetarian friendly state for React | Frontend Utils library
kandi X-RAY | easy-peasy Summary
kandi X-RAY | easy-peasy Summary
Easy Peasy is an abstraction of Redux, providing a reimagined API that focuses on developer experience. It allows you to quickly and easily manage your state, whilst leveraging the strong architectural guarantees and extensive eco-system that Redux has to offer. All of this comes via a single dependency install.
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Top functions reviewed by kandi - BETA
- Create a store
- Rehydrates the state of the persist .
- Create a persist instance .
- Creates a wrapper around the browser storage .
- returns a function that is used to store state
- creates the function action creator
- Creates an action creator for the given effect
- Create effect handler function
- create a simpleproducer
- Memoize single result .
easy-peasy Key Features
easy-peasy Examples and Code Snippets
Community Discussions
Trending Discussions on easy-peasy
QUESTION
I am trying to create a PrivateRoute component as:
...ANSWER
Answered 2022-Jan-08 at 18:16My previous attempt of element: React.ComponentType
solved the typescript error but then the new error was
Error: [PrivateRoute] is not a component. All component children of must be a or
So, with v6 react router only Route components can be a child of Routes. see the v6 docs & you'll see the authentication pattern is to use a wrapper component to handle the auth check and redirect.
The old v5 pattern will not work any more.
This is how your PrivateRoute
should look like. I've commented out the previous code so you can see the changes I've made.
QUESTION
I can't find a way to reset full state to a new one. As soon as I try one or the other approach, sometimes it seems to work (with smaller new state), but most of the time my components re-render (because of state change and I assume not yet rehydrated) and I get an error that something is not defined.
I've tried store.reconfigure(newStateModel)
, but I don't quite understand how it's supposed to work when it maintains the old state (it looks like it merges both old and new states). So I tried await store.persist.clear()
before reconfiguring, but then again I get re-render error, that something is undefined.
I also found this thread on GitHub and tried both approaches:
...ANSWER
Answered 2022-Jan-16 at 17:03Not sure if that's the way to go, but it seems to work for me.
I added a loading
param and an action to my store model:
QUESTION
Is there a way I could modify properties of individual points on matplotlib scatter plot for example make certain points invisible or change theirsize/shape ?
Let's consider example data set using pandas.DataFrame():
...ANSWER
Answered 2022-Jan-12 at 23:37A basic solution. If your dataset is not a big one, and you know the conditions that differentiates the data, you want to plot differently, you can create one column per condition and plot each one with different markers and colors.
Suppose you want to plot different the y that are greater than 3:
QUESTION
So I'm trying to build out functionality to allow users to comment on different types of data. Blog posts, videos, images, documents, comments (reply to), etc. So each of those is going to need to define a relationship to the Comments model. So basically
...ANSWER
Answered 2021-Dec-05 at 02:55You only need one relationship method on Comment
that would return what ever it belongs to. There should be a commentable_id
and a commentable_type
field on the comments
table. The morphTo
relationship would know what model it belongs to from the commentable_type
field. You should only need this method on Comment
:
QUESTION
I'm new to react and this could be a fairly simple question to answer. I'm using easy-peasy for state management and I have an action that updates global state, but the component is not re-rendered even after global state is updated. Here is the codesandbox link. In this example, when the save button is clicked, I'm changing the record to "lock" status which should make it editable. https://codesandbox.io/s/reactjs-playground-forked-sbbh6?file=/src/App.js
...ANSWER
Answered 2021-Jun-10 at 08:34As you are passing the store state to item again after clicking save, you need to listen for props change in Item
and set the state again to trigger rerender.
Therefore, the 1st step is to find out which value we want to monitor for changes. From the code, it is obvious that status
is the best candidate.
Item.js
QUESTION
I'd like to enable warnings for the "default" typescript naming conventions in my .eslintrc.json
file. How do you do this?
ANSWER
Answered 2021-May-28 at 00:08Just add "warn" to the "@typescript-eslint/naming-convention" value in your .eslintrc.json
:
QUESTION
From what I can tell, redux will notify all subscribers to the store when anything in the store changes no matter if it's a subscription to a deeply nested leaf or a subscription to the top level of the state.
In an application where you follow the guiding principle:
many individual components should be connected to the store instead of just a few... [docs]
You could end up with lots of listeners and potentially performance issues?
Disclaimer: I understand that the selector functions will only cause a re-render if the result of the selector function changes. I understand that just because the listener function is evaluated, doesn't mean the subscribing component will re-render. I understand that evaluating a selector function is comparatively cheap to a react component rendering.
However, I just would like to confirm that this is indeed how redux works?
e.g. given the following example listener
...ANSWER
Answered 2021-Jan-20 at 11:28From what I can tell, redux will notify all subscribers to the store when anything in the store changes no matter if it's a subscription to a deeply nested leaf or a subscription to the top level of the state.
Yes, all subscribers are notified. But notice the difference between Redux and its React-Redux utils.
You could end up with lots of listeners and potentially performance issues?
With React-Redux you subscribe to a store (of Redux) by having a selector (useSelector
/connect
).
By default, every subscribed component in React-Redux will be rerendered if its subscribed store portion changed, to handle it you pass a selector which bailout the renders.
But for Redux:
- The notification itself handled by Redux (outside React).
- Redux doesn't handle the "deeply nested leaf" (React Context API handles it as part of React-Redux implementation) it doesn't handle locations - it just calling callbacks.
- The notifications are batched in a while loop outside the React context (optimized).
QUESTION
I am using useEffect in react to listen to redux(easy-peasy) state change, but I want to listen to 1st value change only.
Because when my page loads the state has a default value and then API call is made and hence data changes but the API is a polling API, hence it keeps getting the data again and again in a short interval of time. But one of my requirement is to listen only to the 1st API data.
This is what I tried:
1st Approach with empty dependency ...ANSWER
Answered 2021-Mar-22 at 08:31You can do so using a ref variable and comparing the state with initial state (which could be null, undefined, empty object depending on your implementation):
QUESTION
I am using easy-peasy
as the state manager of react application
In the actionOn
I need to access state of another model, How can I access todos.items
in the notes.onAddNote
?
ANSWER
Answered 2021-Mar-10 at 06:44making onAddNote a thunkOn
instead of actionOn
QUESTION
I have to write a scheduled ETL job where I have to load the difference of the data between the source tables and the target tables. However it is possible that the difference is not just in the number of records, but in the data structure itself. Columns can be added/deleted/renamed.
If the difference would be in the number of records only, it would be easy-peasy a simple EXCEPT would do the job. Now in my head the order would be:
- Check if the column names are the same in the 2 tables (Main question: How to do this?)
- If so, load the differences
- If not then it implies another question: What is the best practice? Drop the table and recreate it based on the new source table, or start some altering on the target table?
Every suggestion would be greatly appreciated.
...ANSWER
Answered 2021-Mar-08 at 13:47DB2 supports the standard information_schema.columns
table -- as well as bespoke naming conventions. You can look at two tables using:
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