Bruno
7 years ago
commit
bb4cc72646
@ -1,61 +0,0 @@ |
||||
module.exports = setupDappAutoReload |
||||
|
||||
function setupDappAutoReload (web3, observable) { |
||||
// export web3 as a global, checking for usage
|
||||
let hasBeenWarned = false |
||||
let reloadInProgress = false |
||||
let lastTimeUsed |
||||
let lastSeenNetwork |
||||
|
||||
global.web3 = new Proxy(web3, { |
||||
get: (_web3, key) => { |
||||
// show warning once on web3 access
|
||||
if (!hasBeenWarned && key !== 'currentProvider') { |
||||
console.warn('MetaMask: web3 will be deprecated in the near future in favor of the ethereumProvider \nhttps://github.com/MetaMask/faq/blob/master/detecting_metamask.md#web3-deprecation') |
||||
hasBeenWarned = true |
||||
} |
||||
// get the time of use
|
||||
lastTimeUsed = Date.now() |
||||
// return value normally
|
||||
return _web3[key] |
||||
}, |
||||
set: (_web3, key, value) => { |
||||
// set value normally
|
||||
_web3[key] = value |
||||
}, |
||||
}) |
||||
|
||||
observable.subscribe(function (state) { |
||||
// if reload in progress, no need to check reload logic
|
||||
if (reloadInProgress) return |
||||
|
||||
const currentNetwork = state.networkVersion |
||||
|
||||
// set the initial network
|
||||
if (!lastSeenNetwork) { |
||||
lastSeenNetwork = currentNetwork |
||||
return |
||||
} |
||||
|
||||
// skip reload logic if web3 not used
|
||||
if (!lastTimeUsed) return |
||||
|
||||
// if network did not change, exit
|
||||
if (currentNetwork === lastSeenNetwork) return |
||||
|
||||
// initiate page reload
|
||||
reloadInProgress = true |
||||
const timeSinceUse = Date.now() - lastTimeUsed |
||||
// if web3 was recently used then delay the reloading of the page
|
||||
if (timeSinceUse > 500) { |
||||
triggerReset() |
||||
} else { |
||||
setTimeout(triggerReset, 500) |
||||
} |
||||
}) |
||||
} |
||||
|
||||
// reload the page
|
||||
function triggerReset () { |
||||
global.location.reload() |
||||
} |
||||
Loading…
Reference in new issue