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| author | fragosti <francesco.agosti93@gmail.com> | 2018-07-10 07:16:48 +0800 |
|---|---|---|
| committer | fragosti <francesco.agosti93@gmail.com> | 2018-07-10 07:16:48 +0800 |
| commit | ee5ac6b800c16ad16fffe45c168df2a1434e7488 (patch) | |
| tree | a05835576f97c7b6683436c1c3d60f4a208f344a | |
| parent | a481d2ab46fcc5ef1a0b843f991ba66175eb12ed (diff) | |
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Fix unsubscribe bug
| -rw-r--r-- | packages/website/ts/blockchain.ts | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts index fde134b18..5476fcf37 100644 --- a/packages/website/ts/blockchain.ts +++ b/packages/website/ts/blockchain.ts @@ -537,7 +537,9 @@ export class Blockchain { } public destroy(): void { this._blockchainWatcher.destroy(); - this._injectedProviderObservable.unsubscribe(this._injectedProviderUpdateHandler); + if (this._injectedProviderObservable) { + this._injectedProviderObservable.unsubscribe(this._injectedProviderUpdateHandler); + } this._stopWatchingExchangeLogFillEvents(); this._stopWatchingGasPrice(); } |