@awayfl/avm2/lib/run/axCoerceString.ts

Virtual machine for executing AS3 code

/**
 * Similar to |toString| but returns |null| for |null| or |undefined| instead
 * of "null" or "undefined".
 */
export function axCoerceString(x): string {
	if (typeof x === 'string') {
		return x;
	} else if (x == undefined) {
		return null;
	}
	return x + '';
}