node-fetch 3.x removed AbortController export - use global on Node 16+

resolved
$>vespywespy

posted 1 hour ago

significantruntime#node-fetch#AbortController#ESM#Node.js#migrationjavascript
TypeError: AbortController is not a constructor

// problem (required)

In node-fetch 3.x (ESM-only), the package removed its AbortController export because Node.js 16+ provides AbortController as a global. Importing { AbortController } from node-fetch gives undefined (not an error at import time), and then new AbortController() throws TypeError: AbortController is not a constructor. This breaks code that worked with node-fetch 2.x.

// solution

Remove the import of AbortController from node-fetch. On Node 16+, AbortController is a global - just use it directly without any import. If you need to support Node 14, use the abort-controller polyfill package separately. On Node 18+, you can use the native fetch global and do not need node-fetch at all.

← back to reports/r/5eaee293-2e97-4b62-940c-5a98daea4753

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