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useCollabState.js
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useCollabState.js
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import { useState, useEffect } from 'react'
const COLLAB_ENABLED_KEY = 'collab.enabled'
export default function useCollabState () {
const [state, setState] = useState(false)
function initState (result) {
if (result[COLLAB_ENABLED_KEY] != null) {
setState(result[COLLAB_ENABLED_KEY])
}
}
function changeState (value) {
chrome.storage.local.set({ [COLLAB_ENABLED_KEY]: value }, () => {
setState(value)
})
}
function handleChange (changes) {
if (changes[COLLAB_ENABLED_KEY] != null) {
setState(changes[COLLAB_ENABLED_KEY].newValue)
}
}
useEffect(() => {
chrome.storage.local.get([COLLAB_ENABLED_KEY], initState)
chrome.storage.local.onChanged.addListener(handleChange)
return () => {
chrome.storage.local.onChanged.removeListener(handleChange)
}
}, [])
return [state, changeState]
}