what is is-offline fr?

lukeed/is-offline — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2018-12-28

★ 92JavaScriptAudience · developerComplexity · 1/5DormantLicenseSetup · easy

vibe map

mindmap
  root((repo))
    What it does
      Check online status
      Watch for changes
      Tiny footprint
    Tech stack
      JavaScript
      ESM and CommonJS
      Script tag support
    Use cases
      Pause uploads offline
      Show disconnect message
      Retry failed requests
      Cache map tiles
    Audience
      Frontend developers
      Vibe coders
      Web app builders
      PWA developers

mindmap root((repo)) What it does Check online status Watch for changes Tiny footprint Tech stack JavaScript ESM and CommonJS Script tag support Use cases Pause uploads offline Show disconnect message Retry failed requests Cache map tiles Audience Frontend developers Vibe coders Web app builders PWA developers

what do people make with this?

VIBE 1

Automatically save drafts locally when a note-taking app detects the user has gone offline.

VIBE 2

Show a connection status banner in a web app that updates instantly when the network changes.

VIBE 3

Pause and buffer a video player differently based on live connection quality.

VIBE 4

Retry failed API requests automatically once the app detects the connection is back.

what's the stack?

JavaScript

how it stacks up fr

	lukeed/is-offline	cocktailpeanut/image-to-prompt	ruanyf/user-tracking-demos
Stars	92	93	91
Language	JavaScript	JavaScript	JavaScript
Last pushed	2018-12-28	—	2019-04-15
Maintenance	Dormant	—	Dormant
Setup difficulty	easy	moderate	easy
Complexity	1/5	3/5	2/5
Audience	developer	vibe coder	developer

Figures from each repo's GitHub metadata at analysis time.

how do i run it?

Difficulty · easy time til it works · 5min

Free to use, modify, and distribute for any purpose, including commercial use.

prompts (copy fr)

prompt 1

Show me how to use is-offline's watch() function to display a banner when my web app loses internet connection.

prompt 2

Write code using is-offline's check() function to decide whether to queue a form submission for later.

prompt 3

Help me integrate is-offline into a note-taking app so drafts save locally when offline and sync when back online.

prompt 4

How do I stop the is-offline watch() listener once my component unmounts?

Frequently asked questions