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Download Building APIs with Node.js by Caio Ribeiro Pereira PDF

Posted On March 3, 2017 at 12:38 pm by / Comments Off on Download Building APIs with Node.js by Caio Ribeiro Pereira PDF

By Caio Ribeiro Pereira

Presently, we are living in a interval within which the vast majority of clients use forms of units to hook up with the web. the most well-liked units are smartphones, drugs and notebooks. constructing platforms for various sorts of units calls for the paintings of establishing net companies, additionally identified by way of the identify of API (Application software Interface).

Basically, the APIs are back-end structures which are designed to paintings merely with facts in a centralized demeanour, permitting client-side purposes to be constructed individually, to have a different interfaces to the ultimate person. those client-side purposes tend to be cellular apps, computing device functions or net apps.

Since 2010 Node.js more and more proved to be an outstanding platform to unravel many difficulties, particularly for construction relaxation APIs. The single-thread structure that plays non-blocking I/O working on best of JavaScript - that is a truly current language in all present browsers - confirmed strong functionality within the processing of many type of applications.

There are a few circumstances of enormous businesses, corresponding to LinkedIn and PayPal, which considerably stored expenditures with servers migrating a few of their tasks to Node.js.

In addition, one other good thing about utilizing the Node.js, which captivated many builders, is the low studying curve. in spite of everything, who has labored with internet improvement have already got a minimum of a easy realizing of the JavaScript language.

In this publication, you are going to examine in perform tips on how to construct scalable APIs in Node.js platform via writing dependent codes utilizing ECMAScript 2015 (aka ES6) and a few well known frameworks like exhibit, Passport, ApiDoc, Mocha, Helmet and more.

The venture may be built-in with a SQL database via Sequelize.js and, finally, you will construct a unmarried web page program utilizing in basic terms Vanilla JavaScript to consumes the API's info.

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The second argument is the callback function, which returns asynchronously a static array of tasks. js file, you are going to load this module via app variable. into(app);. findAll() has in the first parameter an empty object. This is the value of the params variable, which in this case, there is no need to include parameters to filter the tasks list. The callback of this function returns the tasks variable, which was created to return, for while, some static values from his model. So, at this point, we are sure that tasks is going to return an static array with some tasks descriptions.

Route() function too. Each route will be directly called by his correspondent HTTP method. The code will follow a similar treatment as task’s routes has. findById() function. route() here is because in the next chapter, we are going to modify some specific points on each user’s route, to find or delete only if the user is logged in the API. Testing endpoint’s access using Postman To test these modifications, restart the application, open the browser and use some REST client application, because it will be necessary to test the POST, PUT and DELETE HTTP’s methods.

A new function inside the classMethods will be included as well. It is going to be used to compare if the given password matches with the user’s encrypted one. define("Users", { // Users fields, defined in the chapter 5... compareSync(password, encodedPassword); } } }); Authenticating users 22 23 56 return Users; }; With these implemented modifications on the model Users, now we can create the endpoint /token. password. The payload is going to have only the user id. js file. sendStatus(401) function.

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