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Can I bind an argument value ahead of time when using redux-actions?


Can I bind an argument value ahead of time when using redux-actions?

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Can I bind an argument value ahead of time when using redux-actions?
Tag : development , By : Milander
Date : November 27 2020, 03:01 PM

wish of those help When you create an action you can add any payload to it you want. Now you just creating action with bare string and no payload.
createAction(type, payloadCreator)
console.log('Action for saga:', myAction());    
yield put(myAction()); // How do I supply  payload value "bar" here?

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Redux DevTools Time Travel fails to update UI correctly (only when reverting actions)


Tag : reactjs , By : chorn
Date : March 29 2020, 07:55 AM
I hope this helps . Found the culprit. It's not Redux's fault at all, it's about the way React works! If you are new to React and you haven't fallen into this trap yet wait for it! It has to do with the fact that most of the conventional ways of copying a deeply nested object which is needed in Redux to implement a pure Reducer is in fact making a shallow copy of the objects and properties' memory references are still pointing to the original State. React updates the UI based on a deep comparison of the old state and the new one and when some of the references are the same it fails to update the UI properly. Here I have a 2 dimensional array map[][] which is an object and although I'm using ES6 spread operator to avoid modifying the original state because a shadow copy is being made, deeply nested indexes of the original map[][] are being modified. One solution would be to use `Array.map()' to create a completely new object but I ended up using immutablejs and it fixed my problem with the time travel slider.
This is a highly recommended reference if you don't want to spend weeks chasing similar bugs in complicated apps: http://redux.js.org/docs/recipes/reducers/ImmutableUpdatePatterns.html

Flow + Redux: Error with redux default actions and strongly typed actions


Tag : reactjs , By : mhedberg
Date : March 29 2020, 07:55 AM
will be helpful for those in need The simplest solution, without importing the full flow-typed package for redux, is to add a disjoint union { type: $Subtype } to the ActionType disjoint union type, as below:
// Disjoint union wrapper
export type ActionType = 
| InitAction
| UpdateAction
| { type: $Subtype<string> };


//reducer
export default function storiesReducer(
  stories: Array<Story> = [],
  action: ActionType
): Array<Story> {
  console.log(action);
  ...
}

How to correctly type redux-thunk actions & mapDispatchToProps with redux 4.0.1, redux-thunk 2.3.0 & typescript


Tag : typescript , By : Ashley
Date : March 29 2020, 07:55 AM
I wish this helpful for you I'm updating the dependencies in my project (redux 4.0.1, redux-thunk 2.3.0, typescript 3.1.3) and I'm having a very hard time finding the correct typings for redux-thunk in both my action declaration as my mapDispatchToProps declaration. , Allright, I made a silly mistake in my dispatch typing...
type DispatchType = Dispatch<Action> | ThunkDispatch<IState, any, Action>;
function mapDispatchToProps(dispatch: DispatchType) {...}
type DispatchType = Dispatch<Action> & ThunkDispatch<IState, any, Action>;
function mapDispatchToProps(dispatch: DispatchType) {...}
export function toggleModalShown(): ThunkAction<void, IState, any, Action> {...}
export function toggleModalShown(): ActionCreator<ThunkAction<void, IState, any, Action>> {...}

How to continue on a single Redux Actions for particular time


Tag : javascript , By : T11M
Date : March 29 2020, 07:55 AM
hope this fix your issue I think your order is a little messed up. You want to start the loading first, then after a period of time stop the loader. Perhaps changing the order to this will allow you to have more success.
export const onAcceptingCoupon = (value) => {
 return(dispatch) => {
    // show the loader
    dispatch({ type: APPLY_BUTTON_LOADING, payload: true });

    // put the code that should execute after 50000 inside the setTimeout
    setTimeout(() => {
        dispatch({ type: DISCOUNTED_PRICE, payload: value });
        dispatch({ type: APPLY_BUTTON_LOADING, payload: false });
        }, 50000);
    }
};

React redux unable connect/bind actions in the same file with multiple classes


Tag : javascript , By : msg
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I see at least a couple issues immediately.
First, note that your React component names start with lower-case letters. React components should always start with an upper-case letter, so that the JSX transform works correctly. Change classA and classB to ClassA and ClassB everywhere you're using them.
const ConnectedClassB = connect(mapState, mapDispatch)(ClassB);
<ConnectedClassB />
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