chainer.js

function createDataChain(targetFunction, deviceInfo, data, chunkLength) {
    var chain = Promise.resolve();
    for (var i = 0; i < data.length; i += chunkLength) {
        deviceInfo.data = data.substring(i, Math.min(i + chunkLength, data.length));
        chain = chain.then(()=>targetFunction(deviceInfo));
    }
    return chain;
}