37 lines
916 B
JavaScript
37 lines
916 B
JavaScript
const once = require('once')
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const ensnare = require('./ensnare.js')
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module.exports = setupDappAutoReload
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function setupDappAutoReload(web3, controlStream){
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// export web3 as a global, checking for usage
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var pageIsUsingWeb3 = false
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var resetWasRequested = false
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global.web3 = ensnare(web3, once(function(){
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// if web3 usage happened after a reset request, trigger reset late
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if (resetWasRequested) return triggerReset()
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// mark web3 as used
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pageIsUsingWeb3 = true
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// reset web3 reference
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global.web3 = web3
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}))
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// listen for reset requests from metamask
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controlStream.once('data', function(){
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resetWasRequested = true
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// ignore if web3 was not used
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if (!pageIsUsingWeb3) return
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// reload after short timeout
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triggerReset()
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})
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// reload the page
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function triggerReset(){
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setTimeout(function(){
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global.location.reload()
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}, 500)
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}
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} |