Add helper.ts #68

Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,31 @@
	export function formatString(input: string): string {
	return input.trim().toLowerCase().replace(/\s+/g, '-');
	}

	export function calculateSum(numbers: number[]): number {
	return numbers.reduce((acc, num) => acc + num, 0);
	}

	export function isValidEmail(email: string): boolean {
	const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
	return emailRegex.test(email);
	}

	export function debounce<T extends (...args: any[]) => any>(
	func: T,
	delay: number
	): (...args: Parameters<T>) => void {
	let timeoutId: NodeJS.Timeout;
	return (...args: Parameters<T>) => {
	clearTimeout(timeoutId);
	timeoutId = setTimeout(() => func(...args), delay);
	};
	}

	export function chunk<T>(array: T[], size: number): T[][] {
	const chunks: T[][] = [];
	for (let i = 0; i < array.length; i += size) {
	chunks.push(array.slice(i, i + size));
	}
	return chunks;
	}
Comment on lines +25 to +31 Copy link @coderabbitai coderabbitai bot Jul 30, 2025 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others. Learn more. ⚠️ Potential issue Add input validation for the size parameter. The function correctly implements array chunking, but lacks validation for the `size` parameter. A size of 0 or negative values would cause an infinite loop. Add input validation to prevent infinite loops: export function chunk<T>(array: T[], size: number): T[][] { + if (size <= 0) { + throw new Error('Chunk size must be greater than 0'); + } const chunks: T[][] = []; for (let i = 0; i < array.length; i += size) { chunks.push(array.slice(i, i + size)); } return chunks; } 📝 Committable suggestion !!️ IMPORTANT Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements. Suggested change export function chunk<T>(array: T[], size: number): T[][] { const chunks: T[][] = []; for (let i = 0; i < array.length; i += size) { chunks.push(array.slice(i, i + size)); } return chunks; } export function chunk<T>(array: T[], size: number): T[][] { if (size <= 0) { throw new Error('Chunk size must be greater than 0'); } const chunks: T[][] = []; for (let i = 0; i < array.length; i += size) { chunks.push(array.slice(i, i + size)); } return chunks; } 🤖 Prompt for AI Agents `In helper.ts around lines 25 to 31, the chunk function lacks validation for the size parameter, which can cause an infinite loop if size is 0 or negative. Add input validation at the start of the function to check if size is a positive integer greater than zero, and throw an error or return an empty array if the validation fails to prevent infinite loops.`

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@coderabbitai coderabbitai bot Jul 30, 2025

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