Function getItem

test/dummyStorageDriver.js:65–98

(key, callback)

    }

    function getItem(key, callback) {
        var self = this;

        // Cast the key to a string, as that's all we can set as a key.
        if (typeof key !== 'string') {
            window.console.warn(
                key + ' used as a key, but it is not a string.'
            );
            key = String(key);
        }

        var promise = new Promise(function(resolve, reject) {
            self
                .ready()
                .then(function() {
                    try {
                        var db = self._dbInfo.db;
                        var result = db[key];

                        if (result) {
                            result = _deserialize(result);
                        }

                        resolve(result);
                    } catch (e) {
                        reject(e);
                    }
                })
                .catch(reject);
        });

        executeCallback(promise, callback);
        return promise;
    }

    function iterate(callback) {
        var self = this;