Fix errors from zero-dimension scales #544
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Trying to pan a zero-dimension linear scale results in a `RangeError: minimumFractionDigits value is out of range` when LinearBaseScale tries to format its ticks. This can happen a couple of ways: * If a scale is configured with an identical min and max - that seems like a misconfiguration, but Chart.js by itself at least attempts to handle it. * If the browser window is shrunk enough for the chart area to have 0 dimensions The problem occurs because panNumericalScale calculates a newMin and newMax of NaN here. This, in turn, is because getDecimalForPixel (used by getValueForPixel) and getPixelForValue return NaN for 0-dimension scales. Fixes chartjs#543
kurkle
approved these changes
Jun 21, 2021
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Trying to pan a zero-dimension linear scale results in a
RangeError: minimumFractionDigits value is out of rangewhen LinearBaseScale tries to format its ticks.This can happen a couple of ways:
The problem occurs because panNumericalScale calculates a newMin and newMax of NaN here. This, in turn, is because getDecimalForPixel (used by getValueForPixel) and getPixelForValue return NaN for 0-dimension scales.
Fixes #543