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Check for safe number

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This commit is contained in:
fudom
2024-12-10 12:29:38 +01:00
committed by GitHub
parent 9717acb7bb
commit 4b41bb9ce3
1 changed files with 4 additions and 0 deletions
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4
core/src/utils/floating-point/index.ts
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@@ -1,4 +1,7 @@
import { isSafeNumber } from '../type-guards.ts';
export function getDecimalPlaces(n: number) {
if (!isSafeNumber(n)) return 0;
if (n % 1 === 0) return 0;
return n.toString().split('.')[1].length;
}
@@ -36,6 +39,7 @@ export function getDecimalPlaces(n: number) {
* be used as a reference for the desired specificity.
*/
export function roundToMaxDecimalPlaces(n: number, ...references: number[]) {
if (!isSafeNumber(n)) return 0;
const maxPlaces = Math.max(...references.map((r) => getDecimalPlaces(r)));
return Number(n.toFixed(maxPlaces));
}