15 lines
414 B
TypeScript
15 lines
414 B
TypeScript
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function toPercentage(value: number | string): string {
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// Convert string to number if needed
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const numberValue = typeof value === "string" ? Number.parseFloat(value) : value;
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// Check if the value is a valid number
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if (Number.isNaN(numberValue)) {
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throw new Error("Invalid number");
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}
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// Round to whole number and append %
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return `${Math.round(numberValue)}%`;
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}
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export default toPercentage;
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