How to Dynamically Render a Table Body in React Using Two Arrays from JSON

Learn how to effectively render a table in React using header and body configurations from a JSON file, simplifying your data presentation.
---

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: React render Table with two arrays

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Dynamically Render a Table Body in React Using Two Arrays from JSON

When developing web applications with React, you often need to display data in a structured format—tables being one of the most common. A common challenge faced by many developers is rendering a table dynamically based on a layout defined in a JSON file while also using data fetched via an API call. In this guide, we will tackle this issue and explore how to render both the header and body of a table in React properly.

Understanding the Problem

Imagine you have a JSON file with a specific structure that defines the header and body of a table. Here's how your JSON file looks:

[[See Video to Reveal this Text or Code Snippet]]

With this structure, the challenge lies in rendering the Body of the table dynamically based on the data fetched from an API and the layout specified by the JSON. Let's explore how we can achieve this.

Step-by-Step Solution

1. Fetching the Data

We start by fetching the header, body, and records using axios. Here is the code snippet for that:

[[See Video to Reveal this Text or Code Snippet]]

2. Rendering the Table Header

Next, you'll render the table header using the data you fetched. The code snippet below demonstrates how to do this.

[[See Video to Reveal this Text or Code Snippet]]

3. Rendering the Table Body Dynamically

Here's where the magic happens. Instead of hardcoding each cell, you can use the body array from your JSON file to dynamically generate the table body based on the records fetched. The following code does exactly that:

[[See Video to Reveal this Text or Code Snippet]]

4. Explanation of the Code

Mapping Through Records: The records array is mapped, and for each record, a new table row (<tr>) is created.

Dynamic Cell Rendering: For each row in the body array, the corresponding record property is accessed dynamically using record[row.Body]. This eliminates the need for hardcoding each cell's content and allows you to maintain a clean and scalable solution.

Summary

By using a structured JSON file for your table layout and implementing dynamic rendering in React, you can create flexible and reusable table components. This approach allows for easy adjustments to either the data source or the table layout without drastic changes to your code base.

Now you can effectively render the body of your table based on dynamically fetched data while adhering to a layout defined in a JSON file. This method not only enhances readability but also maintains code simplicity and reusability.

If you encounter similar challenges, feel free to adapt this solution to meet your application's requirements!