Question 1

How to extract nested JSON values with binary-extract?

Accepted Answer

Use array keys to access nested objects, as shown in the README where 'nested' returns the entire object. For deeper nesting, you may need to chain extractions or check if the library supports path syntax, but documentation on this is sparse.

Question 2

binary-extract vs JSON.parse for large JSON files?

Accepted Answer

binary-extract is faster and more memory-efficient when you only need specific fields, but JSON.parse is necessary if you require full access, validation, or manipulation of the JSON. Use binary-extract for targeted extraction in performance-critical Node.js apps.

Question 3

Can binary-extract modify JSON data?

Accepted Answer

No, it is read-only and only extracts values from JSON buffers. For modifications, you must parse the JSON with JSON.parse(), make changes, and then stringify it back, which negates the performance benefits.

Question 4

How to handle errors when using binary-extract?

Accepted Answer

The library likely throws errors for issues like malformed JSON, but the README doesn't detail error handling. It's best to wrap calls in try-catch blocks and implement custom error handling to prevent crashes in production.

Question 5

Is binary-extract compatible with JSON streams?

Accepted Answer

No, the README doesn't mention streaming support; it requires complete buffers. For streaming JSON, you need to buffer the data first or use libraries like JSONStream that handle incremental parsing.

Question 6

How to use binary-extract with JSON from an HTTP response in Node.js?

Accepted Answer

Collect the response data into a Buffer using methods like Buffer.concat() on streamed data or directly from buffered responses, then pass it to extract(). Ensure the data is valid JSON to avoid extraction failures.

binary-extract

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