/Javascript/React/Concatenate state with previous state in react redux

Concatenate state with previous state in react redux

const Initial_State = { images: [] };

export default (state = Initial_State, action) => {

    switch (action.type) {

        case 'ImagesFetch':

            return {
                ...state,
                images: [...state.images, action.payload]
            };

        default:
            return state;
    }
}

Source: stackoverflow.com

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