Solving the JavaScript Heap Out of Memory Error in JavaScript

How to fix FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory

Oct 10, 2024

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I recently came across this error whilst sorting out a client website, on build we were encountering a heap memory issue, the steps to resolve it are actually quite simple.

Running large JavaScript processes with Node.js can sometimes lead to an abrupt error that halts the execution. If you’ve encountered the dreaded message:

FATAL ERROR: CALL_AND_RETRY_L…

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