Create promise in AngularJS

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春和景丽
春和景丽 2021-01-21 09:33

I\'m trying to create a promise in Angular with the $q service. It returns an object retrieved from a web service. If the object is in the cache, it returns it without calling t

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  •  面向向阳花
    2021-01-21 10:09

    You don't need to wrap it into one more promise since ServerRequest.getNavigationMap() is a promise:

    function returnMapAsync() {
    
        if (navigationMap) {
            return $q.resolve(navigationMap);
        } 
    
        return ServerRequest.getNavigationMap().then(function(data) {
            navigationMap = data.object;
            return navigationMap;
        });
    }
    

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