How to fix: "deno error: Cannot resolve module 'x'"

Question

I've got an error like so:

error: Cannot resolve module "/src/routes" from "/src/index.ts"
Imported from "file:///F:/Development/k8demo/api-deno/src/index.ts:2"

user_904992 · Answer

My problem was that Deno requires a .ts extension for imports unlike node.
Fix by adding .ts to the import.