solana/web3.js error import

Question

@solana/web3.js import error when launching cypress. And on windows everything works fine, but on MacOS an error appears

./node_modules/@solana/web3.js/lib/index.browser.esm.js 1976:27
Module parse failed: Unexpected token (1976:27)
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
|   if (transaction.recentBlockhash != null && transaction.lastValidBlockHeight != null) {
|     status = (await connection.confirmTransaction({
>       abortSignal: options?.abortSignal,
|       signature: signature,
|       blockhash: transaction.recentBlockhash

Answer 1

The error indicates a problem with this line:

options?.abortSignal

This is the optional chaining operator.

Your solution will require convincing Cypress to parse this syntax. Seek advice from others having the same trouble, here.