Function reloaderReducer

dash/dash-renderer/src/reducers/reducer.js:148–162

(reducer)

}

function reloaderReducer(reducer) {
    return function (state, action) {
        const {history, config, hooks} = state || {};
        let newState = state;
        if (action.type === 'RELOAD') {
            newState = {history, config, hooks};
        } else if (action.type === 'SET_CONFIG') {
            // new config also reloads, and even clears history,
            // in case there's a new user or even a totally different app!
            // hooks are set at an even higher level than config though.
            newState = {hooks};
        }
        return reducer(newState, action);
    };
}

export function createReducer() {
    return reloaderReducer(recordHistory(mainReducer()));