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fix(store): Fix "Missing state eta" error on Infinity/NaN (#1850)

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If the speed is zero, the eta becomes Infinity, which isn't transmitted
properly over IPC for at this time unknown reasons.
To prevent the "Missing state eta" error from popping up when the speed is
zero, we set the eta to zero as well in those cases.

Change-Type: Patch
This commit is contained in:
Jonas Hermsmeier 2017-11-16 22:58:58 +01:00 committed by Juan Cruz Viotti
parent 9e75547166
commit 7ebff68506
1 changed files with 4 additions and 1 deletions
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5
lib/writer/progress-stream.js
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@ -70,7 +70,10 @@ class ProgressStream extends Stream.Transform {
this.state.remaining = this.state.length - this.state.transferred
this.state.runtime = Date.now() - this.start
this.state.speed = this.meter(this.state.delta)
this.state.eta = this.state.remaining / this.state.speed
// NOTE: We need to guard against this becoming Infinity,
// because that value isn't transmitted properly over IPC and becomes `null`
this.state.eta = this.state.speed ? this.state.remaining / this.state.speed : 0
this.delta = 0
this.emit('progress', this.state)
}