happy-dom/src/nodes/element/DatasetUtility.ts

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

/**
 * Dataset utility.
 *
 * Reference:
 * https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/dataset
 */
export default class DatasetUtility {
	/**
	 * Transforms a kebab cased string to camel case.
	 *
	 * @param text Text string.
	 * @returns Camel cased string.
	 */
	public static kebabToCamelCase(text: string): string {
		const parts = text.split('-');
		for (let i = 0, max = parts.length; i < max; i++) {
			parts[i] = i > 0 ? parts[i].charAt(0).toUpperCase() + parts[i].slice(1) : parts[i];
		}
		return parts.join('');
	}

	/**
	 * Transforms a camel cased string to kebab case.
	 *
	 * @param text Text string.
	 * @returns Kebab cased string.
	 */
	public static camelCaseToKebab(text: string): string {
		return text
			.toString()
			.replace(/[A-Z]+(?![a-z])|[A-Z]/g, ($, ofs) => (ofs ? '-' : '') + $.toLowerCase());
	}
}