@szhsin/react-accordion/dist/esm/utils/bem.mjs

The complete accordion solution for React.

//#region src/utils/bem.ts
/**
* Generate className following BEM methodology: http://getbem.com/naming/
* Modifier value can be one of the types: boolean, string
*/
const bem = (block, element, modifiers) => (className, props) => {
	const blockElement = element ? `${block}__${element}` : block;
	let classString = blockElement;
	modifiers && Object.keys(modifiers).forEach((name) => {
		const value = modifiers[name];
		if (value) classString += ` ${blockElement}--${value === true ? name : `${name}-${value}`}`;
	});
	let expandedClassName = typeof className === "function" ? className(props) : className;
	if (typeof expandedClassName === "string") {
		expandedClassName = expandedClassName.trim();
		if (expandedClassName) classString += ` ${expandedClassName}`;
	}
	return classString;
};
//#endregion
export { bem };