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Top 10 Examples of "azure-iot-device in functional component" in JavaScript

Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'azure-iot-device' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.

describe('Over ' + transportCtor.name, () => {
      // tslint:disable:no-invalid-this
      this.timeout(60000);

      const testDevice = testUtils.createTestDevice();
      const scs = ServiceConnectionString.parse(process.env.IOTHUB_CONNECTION_STRING);
      const testDeviceCS = DeviceConnectionString.createWithSharedAccessKey(scs.HostName, testDevice.deviceId, testDevice.authentication.symmetricKey.primaryKey);

      beforeEach((beforeEachCallback) => {
        testUtils.addTestDeviceToRegistry(testDevice, beforeEachCallback);
      });

      afterEach((afterEachCallback) => {
        testUtils.removeTestDeviceFromRegistry(testDevice, afterEachCallback);
      });

      it('device can get its device twin and modify reported properties', (testCallback) => {
        const deviceClient = DeviceClient.fromConnectionString(testDeviceCS, transportCtor);
        const twinPatch = { twinKey: 'twinValue' };

        deviceClient.open((err) => {
          if (err) throw err;
          debug('Device Client: Opened');
describe('Over ' + transportCtor.name, () => {
      // tslint:disable:no-invalid-this
      this.timeout(60000);

      const testDevice = testUtils.createTestDevice();
      const scs = ServiceConnectionString.parse(process.env.IOTHUB_CONNECTION_STRING);
      const testDeviceCS = DeviceConnectionString.createWithSharedAccessKey(scs.HostName, testDevice.deviceId, testDevice.authentication.symmetricKey.primaryKey);

      beforeEach((beforeEachCallback) => {
        testUtils.addTestDeviceToRegistry(testDevice, beforeEachCallback);
      });

      afterEach((afterEachCallback) => {
        testUtils.removeTestDeviceFromRegistry(testDevice, afterEachCallback);
      });

      [null, '', 'foo', { k1: 'v1' }, {}].forEach((testPayload) => {
      it('device can receive a method call with a payload of ' + JSON.stringify(testPayload) + ' and send a response', (testCallback) => {
        const methodName = 'testMethod';
        const requestPayload = testPayload;
        const responsePayload = { responseKey: uuid.v4() };
        const deviceClient = DeviceClient.fromConnectionString(testDeviceCS, transportCtor);
        let sendOK = false;
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

'use strict';

const logger = require('../lib').logger;
const config = require('../config')
const iothub = require('azure-iothub');
const Message = require('azure-iot-device').Message;
const DeviceConnectionString = require('azure-iot-device').ConnectionString;
const DeviceClient = require('azure-iot-device').Client;

var runTest = function(deviceConnectionString, protocol, done) {
  var testDeviceId = DeviceConnectionString.parse(deviceConnectionString).DeviceId;
  var client = DeviceClient.fromConnectionString(deviceConnectionString, protocol);

  logger.trace('Opening the client for ' + testDeviceId);

  // Connect to the service
  client.open(function (err) {
    if (err) {
      logger.fatal('Could not connect to IOT HUB: ' + err);
      return done(err);
    } else {
      logger.debug('Client connected, sending message');
describe('C2D', () => {
  // tslint:disable:no-invalid-this
  this.timeout(60000);
  const testDevice2 = testUtils.createTestDevice();

  const hostName = ServiceConnectionString.parse(process.env.IOTHUB_CONNECTION_STRING).HostName;
  const testDeviceCS2 = DeviceConnectionString.createWithSharedAccessKey(hostName, testDevice2.deviceId, testDevice2.authentication.symmetricKey.primaryKey);

  before((beforeCallback) => {
    testUtils.addTestDeviceToRegistry(testDevice2, beforeCallback);
  });

  after((afterCallback) => {
    testUtils.removeTestDeviceFromRegistry(testDevice2, afterCallback);
  });

  [DeviceAmqp, DeviceAmqpWs, DeviceMqtt, DeviceMqttWs, DeviceHttp].forEach((transportCtor: any) => {
    describe('Over ' + transportCtor.name, () => {
      let deviceClient: DeviceClient;

      beforeEach((beforeEachCallback) => {
        deviceClient = DeviceClient.fromConnectionString(testDeviceCS2, transportCtor);
        deviceClient.open((err) => {
describe('File upload', () => {
  // tslint:disable:no-invalid-this
  this.timeout(60000);
  const testDevice = testUtils.createTestDevice();

  const hostName = ServiceConnectionString.parse(process.env.IOTHUB_CONNECTION_STRING).HostName;
  const testDeviceCS = DeviceConnectionString.createWithSharedAccessKey(hostName, testDevice.deviceId, testDevice.authentication.symmetricKey.primaryKey);

  const fileConfig = {
    fileName: 'smallFile',
    fileSizeInKb: 10,
  };

  before((beforeCallback) => {
    let fileContent = Buffer.alloc(fileConfig.fileSizeInKb * 1024);
    fileContent.fill(uuid.v4());
    fs.writeFileSync(fileConfig.fileName, fileContent);
    testUtils.addTestDeviceToRegistry(testDevice, beforeCallback);
  });

  after((afterCallback) => {
    fs.unlinkSync(fileConfig.fileName);
    testUtils.removeTestDeviceFromRegistry(testDevice, afterCallback);
var runTest = function(deviceConnectionString, protocol, done) {
  var testDeviceId = DeviceConnectionString.parse(deviceConnectionString).DeviceId;
  var client = DeviceClient.fromConnectionString(deviceConnectionString, protocol);

  logger.trace('Opening the client for ' + testDeviceId);

  // Connect to the service
  client.open(function (err) {
    if (err) {
      logger.fatal('Could not connect to IOT HUB: ' + err);
      return done(err);
    } else {
      logger.debug('Client connected, sending message');

      // Listen for messages
      client.on('message', function (msg) {
        if(JSON.parse(msg.data) === config.testCommand) {
          client.complete(msg, function(err, res) {
function main() {
  // receive the IoT Hub connection string as a command line parameter
  if(process.argv.length < 3) {
    console.error('Usage: node_device.js <>');
    process.exit(1);
  }

  // open a connection to the device
  deviceConnectionString = process.argv[2];

  client = Client.fromConnectionString(deviceConnectionString, Protocol);
  client.open(onConnect);
}
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

'use strict';

var Protocol = require('azure-iot-device-mqtt').Mqtt;
var ModuleClient = require('azure-iot-device').ModuleClient;

ModuleClient.fromEnvironment(Protocol, function (err, client) {
  if (err) {
    console.error("Could not create client: " + err.toString());
    process.exit(-1);
  } else {
    console.log('got client');

    client.on('error', function (err) {
      console.error(err.message);
    });

    // connect to the edge instance
    client.open(function (err) {
      if (err) {
        console.error('Could not connect: ' + err.message);
      } else {
        console.log('Client connected');
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

'use strict';

var ModuleClient = require('azure-iot-device').ModuleClient;
var Protocol = require('azure-iot-device-mqtt').Mqtt;

ModuleClient.fromEnvironment(Protocol, function (err, client) {
  if (err) {
    console.error("Could not create client: " + err.toString());
    process.exit(-1);
  } else {
    console.log('got client');

    client.on('error', function (err) {
      console.error(err.message);
    });

    // connect to the edge instance
    client.open(function(err) {
      if (err) {
        console.error('could not open IotHub client');
      }  else {
        console.log('client opened');
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

'use strict';

var Protocol = require('azure-iot-device-mqtt').Mqtt;
var ModuleClient = require('azure-iot-device').ModuleClient;
var Message = require('azure-iot-device').Message;

ModuleClient.fromEnvironment(Protocol, function (err, client) {
  if (err) {
    console.error("Could not create client: " + err.toString());
    process.exit(-1);
  } else {
    console.log('got client');

    client.on('error', function (err) {
      console.error(err.message);
    });

    client.open(function (err) {
      if (err) {
        console.error('Could not connect: ' + err.message);
      } else {
        console.log('Client connected');

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