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JavaScript and JSON Essentials

You're reading from   JavaScript and JSON Essentials Build light weight, scalable, and faster web applications with the power of JSON

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Product type Paperback
Published in Apr 2018
Publisher
ISBN-13 9781788624701
Length 226 pages
Edition 2nd Edition
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Authors (2):
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Sai S Sriparasa Sai S Sriparasa
Author Profile Icon Sai S Sriparasa
Sai S Sriparasa
Bruno Joseph D'mello Bruno Joseph D'mello
Author Profile Icon Bruno Joseph D'mello
Bruno Joseph D'mello
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Table of Contents (14) Chapters Close

Preface 1. Getting Started with JSON 2. The JSON Structures FREE CHAPTER 3. AJAX Requests with JSON 4. Cross-Domain Asynchronous Requests 5. Debugging JSON 6. Building the Carousel Application 7. Alternate Implementations of JSON 8. Introduction to hapi.js 9. Storing JSON Documents in MongoDB 10. Configuring the Task Runner Using JSON 11. JSON for Real-Time and Distributed Data 12. Case Studies in JSON 13. Other Books You May Enjoy

JSON for storing application metadata


On the same line as dependency managers, JSON is also used to store metadata for software projects. How is metadata different from application configuration explained in the preceding section? This can be differentiated from the fact that the configuration is a set of customized settings that is required for the applications working. So configuration data can be said as a type of metadata or subset of the metadata. To understand it completely, let us dive in through various implementations of JSON as metadata. 

Metadata in Angular 5

In Angular, metadata is used while processing a class for some specific functionality. The metadata configures the class so that it can be used as a component or services. The metadata is implemented via class decorators or property metadata. We will be learning about the class decorators as it suits our JSON essential context. 

In the Angular (above version 2) application, the first thing to learn about is NgModule.

An NgModule...

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