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feat(utils): add number utilities #21

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maitamdev merged 1 commit into from
Mar 4, 2026
Merged

feat(utils): add number utilities #21

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22 changes: 22 additions & 0 deletions src/utils/numberUtils.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
// Number utility functions
export function randomBetween(min: number, max: number): number {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
export function percentage(value: number, total: number): number {
if (total === 0) return 0;
return Math.round((value / total) * 100);
}
export function roundTo(num: number, decimals: number): number {
const factor = Math.pow(10, decimals);
return Math.round(num * factor) / factor;
}
export function ordinal(n: number): string {
const s = ['th', 'st', 'nd', 'rd'];
const v = n % 100;
return n + (s[(v - 20) % 10] || s[v] || s[0]);
}
export function range(start: number, end: number, step: number = 1): number[] {
const result: number[] = [];
for (let i = start; i <= end; i += step) result.push(i);
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@cubic-dev-ai cubic-dev-ai bot Mar 4, 2026 •
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P1: range can enter an infinite loop and does not handle descending ranges because the loop condition ignores step direction and zero-step input.

Prompt for AI agents 
Check if this issue is valid — if so, understand the root cause and fix it. At src/utils/numberUtils.ts, line 20:

<comment>`range` can enter an infinite loop and does not handle descending ranges because the loop condition ignores step direction and zero-step input.</comment>

<file context>
@@ -0,0 +1,22 @@
+}
+export function range(start: number, end: number, step: number = 1): number[] {
+  const result: number[] = [];
+  for (let i = start; i <= end; i += step) result.push(i);
+  return result;
+}
</file context>
Fix with Cubic

return result;
}
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