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Update State in react redux reducer

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Blue Bee answered on June 26, 2021 Popularity 10/10 Helpfulness 2/10

answer Update State in react redux reducer

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Update State in react redux reducer

Comment

case foodConstants.FOOD_SUCCESS_POST: {

  const updatedItems = state.items.map((food1) => {
    if (food1.id === action.id) {
      return { ...action };
    }

    return food1;
  });
 return { ...state, items: updatedItems };
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: javascript react-redux state

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Contributed on Jun 26 2021

Blue Bee

0 Answers Avg Quality 2/10

Closely Related Answers

Reducer Function in React Redux

Comment

// (state, action) => newState
function todosReducer(todos = [], action = {}) {
  switch (action.type) {
    case 'ADD_TODO':
      return [...todos, action.payload];
    case 'DELETE_TODO':
      return todos.filter((todo) => todo.id !== action.payload.id);
    case 'DELETE_ALL_TODO':
      return [];
    case 'TOGGLE_TODO':
      return todos.map((todo) => {
        if (todo.id === action.payload.id) {
          return { ...todo, complete: !todo.complete };
        }
        return todo;
      });
    default:
      return todos;
  }
}

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: codesandbox.io

Tags: function functio

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Contributed on Dec 25 2022

M Akbar Maulana

0 Answers Avg Quality 2/10

Update State in react redux reducer

Comment

case foodConstants.FOOD_SUCCESS_POST: {

  let updatedItems = { ...state.items };
  const itemIndex = updatedItems.findIndex((food1) => food1.id === action.id);

  if(itemIndex > -1){
    updatedItems[itemIndex] = {
        ...updatedItems[itemIndex],
        ...action,
    }
  }

 return { ...state, items: updatedItems };
}

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jun 26 2021

Blue Bee

0 Answers Avg Quality 2/10

react redux how to change object value in reducer

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  if (action.type == types.FILTER_TITLE_CHANGED) {
    let newState = { ...state };
    newState.filterTitleStr = action.filterTitleStr;
    return newState;
  } else if (action.type == types.FILTER_AUTHOR_CHANGED) {
    let newState = { ...state };
    newState.filterAuthorStr = action.filterAuthorStr;
    return newState;
  } else if (action.type == types.FILTER_CATEGORY_CHANGED) {
    let newState = { ...state };
    newState.filterCategoryStr = action.filterCategoryStr;
    return newState;
  }

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Nov 04 2021

Agreeable Ape

0 Answers Avg Quality 2/10

Update State in react redux reducer

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Update State in react redux reducer

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Reducer Function in React Redux

Update State in react redux reducer

react redux how to change object value in reducer

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