Add helper.ts #77

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);
	};
	}
Comment on lines +14 to +23 Copy link @coderabbitai coderabbitai bot Aug 7, 2025 Choose a reason for hiding this comment The reason will be displayed to describe this comment to others. Learn more. 🛠️ Refactor suggestion Fix timeout initialization and consider return value handling. Two potential improvements: Initialize `timeoutId` to avoid calling `clearTimeout` on undefined The debounced function doesn't return the original function's return value, which may be unexpected export function debounce<T extends (...args: any[]) => any>( func: T, delay: number ): (...args: Parameters<T>) => void { - let timeoutId: NodeJS.Timeout; + let timeoutId: NodeJS.Timeout \| undefined; return (...args: Parameters<T>) => { - clearTimeout(timeoutId); + if (timeoutId) clearTimeout(timeoutId); timeoutId = setTimeout(() => func(...args), delay); }; } Alternatively, if you need the return value, consider returning a Promise or changing the return type signature. 📝 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 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 debounce<T extends (...args: any[]) => any>( func: T, delay: number ): (...args: Parameters<T>) => void { let timeoutId: NodeJS.Timeout\|undefined; return (...args: Parameters<T>) => { if(timeoutId)clearTimeout(timeoutId); timeoutId = setTimeout(() => func(...args), delay); }; } 🤖 Prompt for AI Agents `In helper.ts around lines 14 to 23, initialize timeoutId to undefined or null before using it to avoid calling clearTimeout on an uninitialized variable. Also, update the debounced function to handle and return the original function's return value properly, either by returning a Promise that resolves with the function's result or by adjusting the return type signature to reflect the debounced function's behavior.`

	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;
	}

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@coderabbitai coderabbitai bot Aug 7, 2025

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