oskarkrawczyk/heyoffline

Health v2 · maintenance only

Flags: no_releases no_license

Adoption not part of the score

1126 stars · 66 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Heyoffline is a framework-agnostic vanilla JavaScript library that shows a notification modal when a user's network connection goes down. It can optionally warn only when unsaved form fields have been modified, helping prevent data loss.

Use cases

• warn users when their network goes down
• prevent users from losing unsaved form data when offline
• show an offline notification modal in a web app
• detect online/offline status changes in the browser
• monitor form fields and alert only when data would be lost

When to choose

• you want a dependency-free vanilla JS offline warning with built-in styles
• you need to protect users from losing unsaved form input during outages
• you want a quick drop-in script or npm module without framework coupling

When to avoid

• you need full offline functionality like service-worker caching or background sync
• you use a framework and prefer its native offline/notification ecosystem
• you need offline detection in non-browser environments

Facets

library · maturity active

ui-components form-handling developer-tools web-development frontend developer-tools browser offline-detection vanilla-javascript network-status form-protection notification-modal javascript nodejs

Member repositories

For agents

markdown · JSON · MCP: product_card(name="oskarkrawczyk/heyoffline")