fix: simplify dev mode check

[mrlubos]

Closes #3494

[bolt-new-by-stackblitz]

Run & review this pull request in StackBlitz Codeflow.

[changeset-bot]

🦋 Changeset detected

Latest commit: ea2538b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@hey-api/openapi-ts	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
hey-api-docs	Ready	Preview, Comment	Mar 4, 2026 11:16pm

[pullfrog]

Error

agent completed without reporting progress

  ^{｜ Rerun failed job ➔ ｜ View workflow run ｜ Triggered by Pullfrog ｜ pullfrog.com ｜ 𝕏}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 40.02%. Comparing base (d2c3705) to head (ea2538b).
⚠️ Report is 10 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3498      +/-   ##
==========================================
- Coverage   40.24%   40.02%   -0.22%     
==========================================
  Files         484      486       +2     
  Lines       17610    17720     +110     
  Branches     5331     5361      +30     
==========================================
+ Hits         7087     7093       +6     
- Misses       8461     8542      +81     
- Partials     2062     2085      +23     

Flag	Coverage Δ
unittests	40.02% <100.00%> (-0.22%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[pkg-pr-new]

Open in StackBlitz

@hey-api/codegen-core

npm i https://pkg.pr.new/@hey-api/codegen-core@3498

@hey-api/json-schema-ref-parser

npm i https://pkg.pr.new/@hey-api/json-schema-ref-parser@3498

@hey-api/nuxt

npm i https://pkg.pr.new/@hey-api/nuxt@3498

@hey-api/openapi-ts

npm i https://pkg.pr.new/@hey-api/openapi-ts@3498

@hey-api/shared

npm i https://pkg.pr.new/@hey-api/shared@3498

@hey-api/types

npm i https://pkg.pr.new/@hey-api/types@3498

@hey-api/vite-plugin

npm i https://pkg.pr.new/@hey-api/vite-plugin@3498

commit: e9f8bd0