Title Page Copyright and Credits Advanced Node.js Development Packt Upsell Why subscribe? PacktPub.com Contributors About the author Packt is searching for authors like you Preface Who this book is for What this book covers To get the most out of this book Download the example code files Download the color images Conventions used Get in touch Reviews Getting Set Up Installing MongoDB and Robomongo for Linux and macOS Installing MongoDB and Robomongo for Windows Creating and reading data Summary MongoDB, Mongoose, and REST APIs – Part 1 Connecting to MongoDB and writing data Creating a directory for the project Connecting the mongodb-connect file to the database Adding a string as the first argument Adding the callback function as the second argument Error handling in mongodb-connect Running the file in the Terminal Adding data to the database Adding a new record into a collection The ObjectId The _id property in the context of MongoDB Calling the .getTimestamp function Using object destructuring ES6 Creating a new instance of objectID Fetching data Fetching todos in Robomongo file The find method Writing a query to fetch certain values Writing a query to fetch completed todos Qureying todos by id Implementing the count method Querying users collection Setting up the repo Deleting documents Exploring methods to delete data The deleteMany method The deleteOne Method The deleteOne method The findOneAndDelete method Using the deleteMany and findOneAndDelete methods Removing duplicate documents Targeting the documents using ID Running the findOneAndDelete and deleteMany statements Making commit for the deleting documents methods Updating data Summary MongoDB, Mongoose, and REST APIs – Part 2 Setting up Mongoose Setting up root of the project Connecting mongoose to database Creating the todo model Creating a brand-new Todo Saving the instance to the database Running the Todos script Creating a second Todo model Validators, Types, and Defaults Mongoose validators Customizing the Todo text property Mongoose defaults Mongoose types Creating a Mongoose user model for authentication Setting up the email property Installing Postman Making an HTTP request to Google Illustrating working of the JSON data Resource Creation Endpoint - POST /todos Refactoring the server.js file to create POST todos route Configuring the Todo and Users file Loading Todo and User file in server.js Configuring the Express application Configuring the POST route Getting body data from the client Creating an instance of Mongoose model Setting up HTTP status code Testing POST /todos inside of Postman Adding more Todos to the database Testing POST /todos Installing npm modules for testing POST /todos route Setting up the test files Loading the test files Adding describe block for the test cases Making the POST requests via supertest  Making assertions about the POST request Making a request to fetch the Todos from the database Adding the catch call for the error handling Setting up test scripts in package.json Adding testing life cycle method in server.test.js file Running the test suite Test case: should not create todo with invalid body data Making assertions about the length of the Todos collection Making commit for POST /todos route List Resources - GET /todos Creating the GET /todos route Testing the GET /todos route  Setting up Post request to create a todo Testing GET /todos Adding seed data for the GET /todos test case Adding a describe block to the test case Adding assertions to the test case Summary MongoDB, Mongoose, and REST APIs – Part 3 Mongoose queries and ID validation Todo.find method Todo.findOne method Todo.findById method Handling situations where the ID doesn't exist Validating an ObjectID Getting an individual resource – GET /todos/:id Taking on the challenge Challenge step 1 - filling the code Challenge step 2 - Making the query challenge step 3 - success path Testing GET /todos/:id  Writing test cases for GET/todos/:id Test 1 - Super test request Test 2 - Verifying invalid ID Test 3 - Validating invalid ObjectID Deploying the API to Heroku Creating a Heroku app Heroku logs Postman environments Managing Postman environments Todo App Local environment Todo App Heroku environment Deleting a resource – DELETE /todos/:id Todo.remove method Todo.findOneAndRemove method Todo.findByIdAndRemove method Creating a delete route Testing DELETE /todos/:id Test case 1 - should remove a todo Test case 2 - should return 404 if todo not found Test case 3 - should return 404 if object id is invalid  Test case 4 - should return 404 if todo not found Updating a Resource - PATCH /todos/:id Installing Lodash library Testing Todos for the patch call Testing PATCH /todos/:id Test 1 -  To complete the incomplete todo Test 2 - to make complete todo incomplete Creating a Test database Summary Real-Time Web Apps with Socket.io Creating a new web app project Setting up our basic app structure Setting up the index.html file for DOCTYPE Setting up the server.js file for the public directory The join method Configuring basic server setup Setting up a gitignore file Making a commit with the current uncommitted files Adding Socket.io to an app Setting up Socket.io Creating a server using the http library Configuring the server to use Socket.io Communication between the client and server The io.on method Adding a connection event in the client The disconnect event Emitting and listening to custom events Creating custom events inside an application Moving the JavaScript into a separate file Adding a newEmail custom event The emit method Testing the newEmail event Adding a createEmail custom event socket.emit in the developer console The custom events in the chat app The newMessage event Broadcasting events Wiring up the createMessage listener for all users Testing the messaging events Committing and deploying messaging to Heroku Testing messaging in a Firefox browser using Heroku Broadcasting events to other users Emitting two events when a user connects Greeting an individual user Broadcasting a new user in the chat Testing the user connection Summary Generating newMessage and newLocationMessage Message generator and tests Generating the newMessage object using the utility function Writing test cases Adding the test-watch script Adding the test script Running the test suite for the message utility Integrate the utility function into our application Event acknowledgements Setting up acknowledgements Sending an acknowledgement from server to the client Updating the event emitter Updating the event listener The message form and jQuery Using the jQuery library Adding the form field in index.html Setting up the form tag Adding the text field Testing the form's rendering Using jQuery to select element Adding the selector element to index.js Testing the update event listener Rendering incoming messages to the screen Creating an ordered list to render messages Using jQuery to create element in index.js Testing the incoming messages Making a commit for the message form Geolocation Adding the Send Location button to the application Adding a click listener to the Send Location button Checking access to the geolocation API Fetching a user's position Adding the coordinates object in the users position Passing coordinates data with the connected users Rendering clickable link in place of text coordinates Sorting out the URL structure Emitting newLoactionMessage Adding generateLocationMessage in the message.js file Adding an event listener for newLocationMessage Adding test case for generateLocationMessage Adding variables for the test case Making assertion for generateLocationMessage Running the test case for generateLocationMessage Summary Styling Our Chat Page as a Web App Styling the chat page Storing the template styles Tweaking the structure for alignment Making user experience improvements Changing the form submit listener Updating the input tag Customizing the Send Location Updating the button text Timestamps and formatting with Moment Timestamps in Node The Date object Using Moment for timestamps The Moment documentation Formatting date using Moment The Manipulate section in Moment Printing message timestamps Getting the formatted values back from timestamps Updating the message.js file Integrating Moment on client Updating the newMessage property Updating the newLocationMessage property Mustache.js Adding mustache.js to the directory Creating and rendering template for newMessage Implementing the Mustache.js rendering method Getting all the data showing up Providing a custom structure Adding the list item tag Adding the message body tag Creating template for the newLocation message Rendering the newLocation template Autoscrolling Running a height properties calculation Creating a new variable to scroll messages to the bottom Determining the calculation Taking into account the height of new message Testing the calculations Scrolling a user when necessary Committing the calculation-related changes Summary The Join Page and Passing Room Data Adding a join page Updating the HTML file Adding the head tag in the HTML file Adding the body tag in the HTML file Adding the form-fields for the chat page Committing the changes in index.html Passing room data Getting data to the server The params and deparams Setting up listener in server.js Defining the isRealString function Calling the isRealString function in server.js Adding error handler case in chat.js Adding test cases for the new validation function Test case 1 – should reject non-string values Test case 2 – should reject string with only spaces Test case 3 – should allow strings with non-space characters Socket.io rooms Targeting the specific user Testing the specific user set up Summary ES7 classes Storing users with ES6 classes – Part I The ES6 class syntax Creating the ES6 class for a person The constructor function The method function Adding the users class Adding the test case for addUser Adding new instances in the users.test file Making the assertions for the users call Running the addUser test case Adding the removeUser, getUser, and getUserList methods Adding seed data for the test file Filling the getUserList Adding test case for getUserList Filling the getUser Test case – should find user Test case – should not find user Filling the removeUser method Test case – should remove a user Test case – should not remove user Wiring up user list Adding People list in the chat room Adding jQuery to update the DOM Adding user to the user's list Adding users with unique ID Emitting the event to the clients Testing the users list in the chatroom Removing users when they leave the chatroom Updating the users list when someone left the chatroom Emitting custom message Rendering the users name to the chatroom Adding a jQuery to add the users to the list Rendering the updated People list Testing the users name in the chatroom Making a commit for updated users list Sending messages to room only Updating the chat.js and server.js files Emitting event to the individual room Wiring up createLoactionMessage for individual room Committing the individual room changes New feature ideas Summary Async/Await Project Setup Using async/await features in promises Setting up the getUser project The array find method Running the getUser object test Setting up the getGrades project Creating grades for the getGrades project Returning a new promise Setting up the getStatus project Resolving the getStatus string Calculating the average Returning the template string Async/await basics Using the async function Rejecting an error using the async function Using the await function A real-world example Creating a currency-converter using the async/await function Exploring APIs for currency exchange rate Taking advantage of axios inside our application The getExchangeRate function The getCountries function Creating convertCurrencyAlt as the async/await function Handling errors and awaiting async function Converting getExchangeRate and getCountries into the async function Error handling in the async function Printing an error to the screen Error handling for the getExchangeRate function Summary Other Books You May Enjoy Leave a review - let other readers know what you think
Advanced Node.js Development
Published by
Packt Publishing, 2018