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Redux Reducer : src/store/hero/hero-reducer.js
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import * as types from "./hero-actions"; | |
/* | |
initalize your state with default values | |
*/ | |
let initialState = { | |
heroes: [], | |
fetching: false, | |
error: "" | |
}; | |
/* | |
switch-cases of your Reducer | |
*/ | |
export const heroReducer = (state = initialState, action) => { | |
switch (action.type) { | |
case types.LOAD_HEROES_REQUEST: | |
return { ...state, fetching: true }; | |
case types.LOAD_HEROES_SUCCESS: | |
return { ...state, fetching: false, heroes: action.payload }; | |
case types.LOAD_HEROES_FAIL: | |
return { ...state, fetching: false, error: action.payload }; | |
case types.CREATE_HERO_REQUEST: | |
return { ...state, fetching: true }; | |
case types.CREATE_HERO_SUCCESS: | |
return { | |
...state, | |
heroes: [...state.heroes, action.payload] | |
}; | |
case types.CREATE_HERO_FAIL: | |
return { ...state, fetching: false, error: action.payload }; | |
case types.UPDATE_HERO_REQUEST: | |
return { ...state, fetching: true }; | |
case types.UPDATE_HERO_SUCCESS: | |
return { | |
...state, | |
fetching: false, | |
heroes: state.heroes.map(hero => | |
hero.id === action.payload.id ? action.payload : hero | |
) | |
}; | |
case types.UPDATE_HERO_FAIL: | |
return { ...state, fetching: false, error: action.payload }; | |
case types.DELETE_HERO_REQUEST: | |
return { ...state, fetching: true }; | |
case types.DELETE_HERO_SUCCESS: | |
return { | |
...state, | |
heroes: state.heroes.filter(hero => hero.id !== action.payload), | |
fetching: false | |
}; | |
case types.DELETE_HERO_FAIL: | |
return { ...state, fetching: false, error: action.payload }; | |
default: | |
return state; | |
} | |
}; |
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