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Chainable Async Router
var ChainableRouter = BaseRouter.extend({
constructor: function(options) {
BaseRouter.apply(this, arguments);
this.options = options || {};
this._initRoutes();
},
_initRoutes: function() {
var routes = this.getOption('appRoutes'),
controller = this.getOption('controller');
if (!routes) { return; }
// Backbone requires reversed order of routes
_.chain(routes).keys().reverse().each(function(key) {
this.addRoute(key, routes[key], controller);
}, this);
},
addRoute: function(route, handlers, controller) {
this.route(route, _.map(_.isArray(handlers) ? handlers : [handlers], function(handler) {
var method;
if (_.isFunction(handler)) { return handler; }
if (!controller) {
throw new Error('A controller must be specified for route "' + route + '"');
}
method = controller[handler];
if (!method) {
throw new Error('Method "' + handler + '" was not found on the controller');
}
return _.bind(method, controller);
}));
},
onNavigate: function(routeData) {
var index = 0,
that = this;
this._currentRoute = routeData;
function next(resp) {
var handler = routeData.linked[index];
index += 1;
if (handler && that._currentRoute === routeData) {
handler(resp || routeData, next);
}
}
next();
},
// Proxy `getOption` to enable getting options from this or this.options by name.
getOption: Marionette.proxyGetOption
});
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