Fix: #198 - Error thrown in ngOnDestroy if plot not yet initialized #246
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…ized This can occur in unit tests if you do not await the component being stable, so this resolves plotly#198. However, this could also happen if ngOnDestroy is called very quickly after ngOnInit.
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Thank you, @paulirwin 😸 |
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This can occur in unit tests if you do not await the component being stable, so this resolves #198. However, this could also happen if ngOnDestroy is called very quickly after ngOnInit.
Note that the actual error happens inside createFigure, but given that the
PlotlyService.removecall needs theplotlyInstanceas well, and that other code checksplotlyInstancefor truthiness first, this seemed like a reasonable seam to introduce this check.The provided unit test failed before making this change, so this PR was done via TDD.
One bonus of this change is that it removes a use of the
!operator.