storm-validate/dist/lib/store/index.js

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import reducers from '../reducers';
export const createStore = () => {
    //shared centralised validator state
    let state = {};

    //uncomment for debugging by writing state history to window
    // window.__validator_history__ = [];

    //state getter
    const getState = () => state;

    /**
     * Create next state by invoking reducer on current state
     * 
     * Execute side effects of state update, as passed in the update
     * 
     * @param type [String] 
     * @param nextState [Object] New slice of state to combine with current state to create next state
     * @param effects [Array] Array of side effect functions to invoke after state update (DOM, operations, cmds...)
     */
    const dispatch = function(type, nextState, effects) {
        state = nextState ? reducers[type](state, nextState) : state;
        //uncomment for debugging by writing state history to window
        // window.__validator_history__.push({[type]: state}), console.log(window.__validator_history__);
        if(!effects) return;
        effects.forEach(effect => { effect(state); });
    };

    return { dispatch, getState };
};