Function getItem

browser-version/out/nedb.js:6751–6785

(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') {
	            globalObject.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 () {
	                var dbInfo = self._dbInfo;
	                var store = dbInfo.db.transaction(dbInfo.storeName, 'readonly').objectStore(dbInfo.storeName);
	                var req = store.get(key);

	                req.onsuccess = function () {
	                    var value = req.result;
	                    if (value === undefined) {
	                        value = null;
	                    }
	                    if (_isEncodedBlob(value)) {
	                        value = _decodeBlob(value);
	                    }
	                    resolve(value);
	                };

	                req.onerror = function () {
	                    reject(req.error);
	                };
	            })['catch'](reject);
	        });

	        executeCallback(promise, callback);
	        return promise;
	    }

	    // Iterate over all items stored in database.
	    function iterate(iterator, callback) {