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Mastering Angular Components

You're reading from   Mastering Angular Components Build component-based user interfaces with Angular

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Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781788293532
Length 402 pages
Edition 2nd Edition
Languages
Tools
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Author (1):
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Gion Kunz Gion Kunz
Author Profile Icon Gion Kunz
Gion Kunz
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Toc

Table of Contents (12) Chapters Close

Preface 1. Component-Based User Interfaces FREE CHAPTER 2. Ready, Set, Go! 3. Dealing with Data and State 4. Thinking in Projects 5. Component-Based Routing 6. Keeping up with Activities 7. Components for User Experience 8. Time Will Tell 9. Spaceship Dashboard 10. Putting Things to the Test 11. Other Books You May Enjoy

The right size of components

Our task list is displayed correctly and the code we used to achieve this looks quite okay. However, if we want to follow a better approach for composition, we should rethink the design of our task list component. If we draw a line at enlisting the task list's responsibilities, we would come up with things such as listing tasks, adding new tasks to the list, sorting or filtering the task list; however, operations are not performed on an individual task itself. Also, rendering the task itself falls outside of the responsibilities of the task list. The task list component should only serve as a container for tasks.

If we look at our code again, we will see that we're violating the single responsibility principle and rendered the whole task body within our task list component. Let's take a look at how we can fix this by increasing the granularity...

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