fix(cdk/scrolling): Prevents NaN being returned as firstVisibleIndex. #21505
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When firstVisibleIndex divides by zero, which can happen when the page is built and loaded dynamically; the NaN result will be used in other calculations. This then throws off things like the `newRange.start` value also returning NaN, breaking the plugin.
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andrewseguin
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Jan 8, 2021
annieyw
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Jan 9, 2021
…#21505) When firstVisibleIndex divides by zero, which can happen when the page is built and loaded dynamically; the NaN result will be used in other calculations. This then throws off things like the `newRange.start` value also returning NaN, breaking the plugin. (cherry picked from commit 390afca)
wagnermaciel
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Jan 14, 2021
…angular#21505) When firstVisibleIndex divides by zero, which can happen when the page is built and loaded dynamically; the NaN result will be used in other calculations. This then throws off things like the `newRange.start` value also returning NaN, breaking the plugin.
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When firstVisibleIndex divides by zero, which can happen when the page is built and loaded dynamically; the NaN result will be used in other calculations.
This then throws off things like the
newRange.startvalue also returning NaN, breaking the plugin.