service · inferred from evidence
Customer.io
A hosted service for customer engagement and tracking, referenced in the context of its JavaScript snippet.
- customerio-node TypeError: url_1.URL is not a constructor in Next.js
customerio-node is a server-side library only: it relies on Node's `URL` global, which does not exist in the browser runtime, so importing or executing it client-side throws `url_1.URL is not a constructor`. Fix: keep the APIClient on the s