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no value should use decimals (#48155)

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tomxwang 2022-04-28 22:04:57 +08:00 committed by GitHub
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commit af8fbc16d6
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2 changed files with 7 additions and 0 deletions
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3
packages/grafana-data/src/valueFormats/valueFormats.test.ts
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@ -103,6 +103,9 @@ describe('valueFormats', () => {
expect(toFixed(100.4, 2)).toBe('100.40'); expect(toFixed(100.4, 2)).toBe('100.40');
expect(toFixed(100.5, 2)).toBe('100.50'); expect(toFixed(100.5, 2)).toBe('100.50');
expect(toFixed(0, 1)).toBe('0.0');
expect(toFixed(0, 2)).toBe('0.00');
}); });
}); });

4
packages/grafana-data/src/valueFormats/valueFormats.ts
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@ -56,6 +56,10 @@ export function toFixed(value: number, decimals?: DecimalCount): string {
decimals = getDecimalsForValue(value); decimals = getDecimalsForValue(value);
} }
if (value === 0) {
return value.toFixed(decimals);
}
const factor = decimals ? Math.pow(10, Math.max(0, decimals)) : 1; const factor = decimals ? Math.pow(10, Math.max(0, decimals)) : 1;
const formatted = String(Math.round(value * factor) / factor); const formatted = String(Math.round(value * factor) / factor);