/**
* Internal dependencies
*/
import { ACTION_TYPES as types } from './action-types';
import { getStateForContext } from './utils';
/**
* Reducer for processing actions related to the query state store.
*
* @param {Object} state Current state in store.
* @param {Object} action Action being processed.
*/
const queryStateReducer = ( state = {}, action ) => {
const { type, context, queryKey, value } = action;
const prevState = getStateForContext( state, context );
let newState;
switch ( type ) {
case types.SET_QUERY_KEY_VALUE:
const prevStateObject =
prevState !== null ? JSON.parse( prevState ) : {};
// mutate it and JSON.stringify to compare
prevStateObject[ queryKey ] = value;
newState = JSON.stringify( prevStateObject );
if ( prevState !== newState ) {
state = {
...state,
[ context ]: newState,
};
}
break;
case types.SET_QUERY_CONTEXT_VALUE:
newState = JSON.stringify( value );
if ( prevState !== newState ) {
state = {
...state,
[ context ]: newState,
};
}
break;
}
return state;
};
export default queryStateReducer;