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fix: Respecting max/min opacities, and adding tests. #20555

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merged 9 commits into from
Jun 30, 2022
Merged

fix: Respecting max/min opacities, and adding tests. #20555

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849bc04
Respecting max/min opacities, and adding tests.
rusackas Jun 30, 2022
012f922
revising tests
rusackas Jun 30, 2022
71b786d
Adding missing test case for maximum coverage :)
rusackas Jun 30, 2022
48996ae
removing unnecessary logic and test
rusackas Jun 30, 2022
65c2d08
adding another unit test for (hopefully) full coverage.
rusackas Jun 30, 2022
282f683
no more ternary operator
rusackas Jun 30, 2022
27365d4
New approach with Math.min - take THAT codecov.
rusackas Jun 30, 2022
1101a55
one more stab at making codecov happy... ignoring the file next.
rusackas Jun 30, 2022
0dd7d4a
lint fixes
rusackas Jun 30, 2022
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25 changes: 15 additions & 10 deletions superset-frontend/packages/superset-ui-chart-controls/src/utils/getColorFormatters.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -37,16 +37,21 @@ export const getOpacity = (
extremeValue: number,
minOpacity = MIN_OPACITY_BOUNDED,
maxOpacity = MAX_OPACITY,
) =>
extremeValue === cutoffPoint
? maxOpacity
: round(
Math.abs(
((maxOpacity - minOpacity) / (extremeValue - cutoffPoint)) *
(value - cutoffPoint),
) + minOpacity,
2,
);
) => {
if (extremeValue === cutoffPoint) {
return maxOpacity;
}
return Math.min(
maxOpacity,
round(
Math.abs(
((maxOpacity - minOpacity) / (extremeValue - cutoffPoint)) *
(value - cutoffPoint),
) + minOpacity,
2,
),
);
};

export const getColorFunction = (
{
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3 changes: 3 additions & 0 deletions superset-frontend/packages/superset-ui-chart-controls/test/utils/getColorFormatters.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,9 @@ describe('getOpacity', () => {
expect(getOpacity(100, 100, 50)).toEqual(0.05);
expect(getOpacity(100, 100, 100, 0, 0.8)).toEqual(0.8);
expect(getOpacity(100, 100, 50, 0, 1)).toEqual(0);
expect(getOpacity(999, 100, 50, 0, 1)).toEqual(1);
expect(getOpacity(100, 100, 50, 0.99, 1)).toEqual(0.99);
expect(getOpacity(99, 100, 50, 0, 1)).toEqual(0.02);
});
});

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