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only-one-tab
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Run a function in exactly one open tab, switching to another if closed.
const onlyOneTab = require('only-one-tab')
// only one daemon will run at a time across all tabs
onlyOneTab(() => {
startDaemon()
})
onlyOneTab(cb)
The callback is run only once per tab, and on exactly one tab at a time. When the actor tab that ran the callback is closed, then exactly one other open tab runs its callback to replace it as the actor.
After a browser crash, or something similar, the actor tab can be closed without being replaced normally.
Every tab periodically checks for an active tab's heartbeat, and after 1-4 seconds, a new tab will become the actor to replace the crashed tab. A refresh or new tab will do the check immediately on startup as well.
If nothing goes wrong, a new actor replaces the closed tab immediately.
FAQs
Run a function in exactly one open tab, switching to another if closed
The npm package only-one-tab receives a total of 7 weekly downloads. As such, only-one-tab popularity was classified as not popular.
We found that only-one-tab demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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