import { getCallback } from './getCallback';
import { getKeyPrefix } from './getKeyPrefix';
//tslint:disable-next-line:no-ignored-initial-value
export function dropInstanceCommon(options, callback) {
    callback = getCallback.apply(this, arguments);
    options = (typeof options !== 'function' && options) || {};
    if (!options.name) {
        const currentConfig = this.config();
        options.name = options.name || currentConfig.name;
        options.storeName = options.storeName || currentConfig.storeName;
    }
    let promise;
    if (!options.name) {
        promise = Promise.reject('Invalid arguments');
    }
    else {
        promise = new Promise(resolve => {
            if (!options.storeName) {
                resolve(`${options.name}/`);
            }
            else {
                resolve(getKeyPrefix(options, this._defaultConfig));
            }
        });
    }
    return { promise, callback };
}
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