Fix · Node, npm and build

Import alias (@/ or ~/) not found

What you may see

Imports starting with @/ fail in the build or in tests

Most likely cause

The shortcut is defined in one tool (the editor or TypeScript) but not in the tool that fails (the bundler or the test runner).

Check first (about two minutes)

Check tsconfig.json "paths" and the bundler or test config for the same alias.

The fix prompt

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The exact error or what you see

What you did before it happened

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Prompt language

You are a patient senior engineer who knows Node.js, npm and build tools and explains them to people who are not developers. I am not a developer, so explain every step in plain words and tell me exactly which button, menu or command you mean. If you are not sure about something, say so; do not guess.

THE PROBLEM
Import alias (@/ or ~/) not found

THE EXACT ERROR OR WHAT I SEE
[paste the exact error here]

WHAT I DID BEFORE IT HAPPENED
[write in a few words what you did before it happened]

MOST LIKELY CAUSE
The shortcut is defined in one tool (the editor or TypeScript) but not in the tool that fails (the bundler or the test runner).

DO THESE STEPS, IN THIS ORDER
1. Show the alias in tsconfig and in the failing tool's config.
2. Add the matching alias to the failing tool, using that tool's documented way.
Stop and tell me if what you see does not match a step. Do not skip ahead.

CHECK THAT IT WORKED
- The build and the tests both resolve the alias.
Tell me exactly what I should see on the screen when it works.

DO NOT CHANGE
- Do not rewrite all imports to relative paths.
- Anything I did not ask about: the design, the text, other pages, other settings or the data.
- Do not delete files, data or branches, do not reset or force-push, and do not rewrite history, unless you first show me exactly what would be lost and I say yes.
- Do not paste, print or ask me to paste a password or secret key into this chat. If one is needed, tell me which settings page of the right service to store it in.

WHEN YOU FINISH
Explain in simple words what you changed (file by file or setting by setting), why you changed it, and how I can undo it.

Paste it into Claude, ChatGPT, Gemini or Cursor, then follow what it says.

After you tried it, did it work?

Steps

Show the alias in tsconfig and in the failing tool's config.
Add the matching alias to the failing tool, using that tool's documented way.

Do not do this

Do not duplicate files to avoid the alias.
Do not rewrite all imports to relative paths.

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