How to Convert a Readable Stream to JSON in Node.js

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Steps to Convert a Readable Stream to JSON

To convert a readable stream to JSON, you generally need to follow these steps:

Create or obtain a readable stream: This could be from a file, HTTP request, or any other data source.

Read the data from the stream: Accumulate the data chunks into a buffer or string.

Parse the accumulated data as JSON: Use JSON.parse to convert the string data into a JavaScript object.

Example: Converting a Readable Stream from a File to JSON

Let's look at an example where we read data from a file and convert it to JSON.

Setting Up the Project

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

Creating a Sample JSON File

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Explanation

Accumulating Data: We listen for data events on the stream to accumulate the data chunks into a string.

Parsing JSON: Once the stream ends, we use JSON.parse to convert the string data into a JSON object.

Error Handling: We handle errors from the stream and JSON parsing process.

Running the Script

To run the script, use the following command:

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

If everything is set up correctly, you should see the JSON data printed in the console.

Conclusion