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.
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nodejs
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.
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commonjs,
Node.js's SyntaxError: Cannot use import statement outside a module still fires today, usually from "type": "commonjs". Here is the exact fix and why.
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nodejs
Node throws Error [ERR_MODULE_NOT_FOUND] when an ESM import can't be resolved — usually a missing file extension or directory index. Here's the exact fix.
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nodejs