19 lines
639 B
TypeScript
19 lines
639 B
TypeScript
export function collectOption(value: string, previous: string[] = []): string[] {
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return [...previous, value];
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}
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export function parsePositiveIntOrUndefined(value: unknown): number | undefined {
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if (value === undefined || value === null || value === "") return undefined;
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if (typeof value === "number") {
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if (!Number.isFinite(value)) return undefined;
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const parsed = Math.trunc(value);
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return parsed > 0 ? parsed : undefined;
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}
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if (typeof value === "string") {
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const parsed = Number.parseInt(value, 10);
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if (Number.isNaN(parsed) || parsed <= 0) return undefined;
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return parsed;
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}
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return undefined;
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}
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