Fix uncaught JSON.parse exception in handleResponse

[prjanitor]

Problem

The handleResponse function calls JSON.parse(text) without a try-catch block. If the server returns malformed JSON (e.g., HTML error page, plain text), JSON.parse throws a SyntaxError that is not caught, causing the promise to reject with an unhandled exception.

Solution

Wrap the JSON.parse call in a try-catch block to gracefully handle malformed JSON responses. When parsing fails, data is set to null, allowing the existing error handling logic to continue functioning correctly.

Changes

• Modified handleResponse in src/fetchWrapper/fetchWrapper.ts
• Added try-catch around JSON.parse(text) call
• On parse error, data is set to null instead of throwing an uncaught exception

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