How to import JSON file in React? - The Web Dev (2024)

FAQs

How to import JSON file in ReactJS? ›

Here's how you can do it: import data from './data. json'; The import statement is used to import functions, objects, or values from another module (file).

In React, you can pass JSON values into components using props. Props allow us to send data from a parent component to its child components. When rendering a component, you can pass the JSON values as props.

Note: React utilizes the 3000 port, which json-server uses to run the server, thus we used — port 3030 to modify the port. Now if we open http://localhost:3030/posts on our browser, we can see our data. In your React component, use the fetch API or any other HTTP client library to make API requests to the JSON server.

Another way to use JSON in ReactJS is to pass JSON data as props from a parent component to a child component. In the above example, we first created a ParentComponent which passes JSON data as a prop to the ChildComponent. The ChildComponent then destructures the data from the props and displays it.

If we have a JSON string, we can parse it by using the json.loads() method . json.loads() does not take the file path, but the file contents as a string, to read the content of a JSON file we can use fileobject.read() to convert the file into a string and pass it with json.loads().

Step 1: Open the terminal and create a react app. Step 2: Change the directory to that folder by executing the command. Example: This example demonstrates parsing json data from data. json file and display as a table on the UI.

JSON files can be imported in JS and TS files using the `import` keyword. This makes including static data in a library much easier. JSON files can be imported in JS and TS modules. When doing so, you need to specify the "json" import assertion type.

How to run a JSON file? ›

Opening JSON files is far more straightforward than you might think; it is a very simple data structure that is entirely text-based — which is why it is limited to strings and numbers. Because of this, you can use any file opener to view a JSON file, such as notepads, text editors, and even command-line interfaces.

dump() function. This function allows you to serialize your JSON data and write it into a file. Here's a simple example: import json data = {'name': 'John', 'age': 30} with open('data.

Example - Parsing JSON

Use the JavaScript function JSON.parse() to convert text into a JavaScript object: const obj = JSON.parse('{"name":"John", "age":30, "city":"New York"}'); Make sure the text is in JSON format, or else you will get a syntax error.