diff options
Diffstat (limited to 'lib/diagnostics_channel.js')
-rw-r--r-- | lib/diagnostics_channel.js | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/lib/diagnostics_channel.js b/lib/diagnostics_channel.js index c29c9ff0052..7860e893449 100644 --- a/lib/diagnostics_channel.js +++ b/lib/diagnostics_channel.js @@ -32,15 +32,17 @@ class ActiveChannel { unsubscribe(subscription) { const index = ArrayPrototypeIndexOf(this._subscribers, subscription); - if (index >= 0) { - ArrayPrototypeSplice(this._subscribers, index, 1); + if (index === -1) return false; - // When there are no more active subscribers, restore to fast prototype. - if (!this._subscribers.length) { - // eslint-disable-next-line no-use-before-define - ObjectSetPrototypeOf(this, Channel.prototype); - } + ArrayPrototypeSplice(this._subscribers, index, 1); + + // When there are no more active subscribers, restore to fast prototype. + if (!this._subscribers.length) { + // eslint-disable-next-line no-use-before-define + ObjectSetPrototypeOf(this, Channel.prototype); } + + return true; } get hasSubscribers() { |