Working with the Angular tree: Flat vs. nested trees and more

Table of Contents

1. Introduction
2. Flat vs. Nested Trees
3. Setting up an Angular project with a tree view

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1. Introduction

The Angular CDK Tree provides the implementation of a tree view in Angular, allowing customization of the styling to suit your needs. Understanding the CDK tree is essential for building dynamic tree structures in Angular applications.

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2. Flat vs. Nested Trees

• Flat Tree: Nodes appear sequentially in the DOM, with expanded nodes displaying their children within the parent node.
• Nested Tree: Nodes are nested within parent nodes, visually representing the tree structure more intuitively.

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3. Setting up an Angular project with a tree view

To set up a dynamic tree view in Angular using API data, follow these steps:

1. Create an API in Node.js to provide data.
2. Use OpenAPI tooling to generate an API client for your Angular app.
3. Define a class containing node information and required properties.
4. Implement a pipe to transform data into the required type for type safety.
5. Utilize lifecycle hooks such as ngOnInit and ngOnDestroy for managing data loading and unloading.

By following these steps, you can efficiently build a dynamic tree view in Angular using API data.

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