hydrate-mongodb/core/callback.js

An Object Document Mapper (ODM) for MongoDB.

"use strict";
/*!
 * async
 * https://github.com/caolan/async
 *
 * Copyright 2010-2014 Caolan McMahon
 * Released under the MIT license
 */
Object.defineProperty(exports, "__esModule", { value: true });
function onlyOnce(callback) {
    var called = false;
    return function (err) {
        if (called)
            throw new Error("Callback was already called.");
        called = true;
        callback(err);
    };
}
exports.onlyOnce = onlyOnce;