llama.cpp/tools/ui/src/lib/utils/autoresize-textarea.ts

/**
 * Automatically resizes a textarea element to fit its content
 * @param textareaElement - The textarea element to resize
 */
export default function autoResizeTextarea(textareaElement: HTMLTextAreaElement | null): void {
	if (textareaElement) {
		textareaElement.style.height = '1rem';
		textareaElement.style.height = textareaElement.scrollHeight + 'px';
	}
}