bencripps / react-redux-grid

export const stateGetter = (state, props, key, entry) => {

    if (props && props.reducerKeys) {

        if (typeof props.reducerKeys === 'string') {

            const nestedInImmutable = typeof state.get === 'function';

            const nestedState = nestedInImmutable

                ? state.get(props.reducerKeys)

                : state[props.reducerKeys];

            return get(nestedState, key, entry);

        }

        else if (typeof props.reducerKeys === 'object'

            && Object.keys(props.reducerKeys).length > 0

            && props.reducerKeys[key]) {

            const dynamicKey = props.reducerKeys[key];

            return get(state, dynamicKey, entry);

        }

    }

    const val = get(state, key, entry);

    if (val) {

        return val;

    }

    return null;

};

export const get = (state, key, entry) => {

    if (!state) {

        return null;

    }

    const isImmutable = typeof state.get === 'function';

    const stateItem = isImmutable

        ? state.get(key)

        : state[key];

    if (!stateItem) {

        return null;

    }

    const isStateImmutable = typeof stateItem.get === 'function';

    return isStateImmutable ? stateItem.get(entry) : stateItem[entry];

};