blackberry10/node_modules/plugman/node_modules/ncallbacks/ncallbacks.js

/*
 *  stupid-simple "flow control"
 */

module.exports = function nCallbacks(count, callback) {
    var n = count;
    return function (err) {
        if (err) callback(err)

        if (n < 0) callback('called too many times')

        --n

        if (n == 0) callback(null)
    }
}