Reducer builder function sample

builder.js

export const buildReducers = (name)=>{
    const handlers = {
        [`set_main_${name}`]: mainHandlers.set_main,
    };
    return {
        [name]: (state = {}, action)=>( get(handlers, action.type, d => d)(state, action))
    }
}

// buildReducer('app_name')
// ['app1', 'app2', 'app3'].map(app=>(buildReducer(app)))