reactjs - Uncaught Error: Invariant Violation: FluxStore has not overridden FluxStore.__onDispatch(), which is required -


this code store:

var store = require("flux/utils").store; var apiutil = require("../util/api_util"); var appdispatcher = require('../dispatcher/dispatcher'); var _users = apiutil.getusers() || []; var change_event = "change"; var userstore = new store(appdispatcher);  userstore._ondispatch = function(payload){     switch(payload.actiontype){         case userconstants.users_received:             console.log(payload);             userstore.changed();             break;     } };

i'm getting error mentioned in title (viz. "uncaught error: invariant violation: fluxstore has not overridden fluxstore.__ondispatch(), required") when apiactions method hits this:

appdispatcher.dispatch({     actiontype: userconstants.users_received,     users: users });

i have added fluxstore overwrite _ondispatch method requested, still getting error. overwriting incorrectly?

any appreciated.

fluxstore.__ondispatch() has 2 __

and have defined userstore._ondispatch instead of userstore.__ondispatch


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