"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var localforage_driver_commons_1 = require("localforage-driver-commons");
function key(idx, callback) {
    var _this = this;
    var promise = this.ready().then(function () {
        var result;
        try {
            result = _this._dbInfo.mStore.key(idx);
            if (result === undefined) {
                result = null;
            }
        }
        catch (_a) {
            result = null;
        }
        return result;
    });
    localforage_driver_commons_1.executeCallback(promise, callback);
    return promise;
}
exports.key = key;
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