Why Node says ERR_MODULE_NOT_FOUND when the file exists
Node's ERR_MODULE_NOT_FOUND keeps firing when the file is right there. Every real cause, from missing extensions to broken package exports, plus the fix for each one.
module-resolution
2 PostsERR_REQUIRE_ASYNC_MODULE: why require() won't wait for you
Node throws ERR_REQUIRE_ASYNC_MODULE when require() hits an ESM module with top-level await in its graph. Here's the whole mechanism and the fix that holds up.