/**
 * setDefaultProps
 * @param props
 * @param propDefaults
 *
 * A helper function used to set default values for props generated by SPFX.
 * This allows variables that must not be undefined to be given a default value.
 *
 */
export function setDefaultProps<I>(props: I, propDefaults: I) {
	const defaults = propDefaults as Object;
	Object.keys(defaults).forEach((property: string) => {
		if (props[property] === undefined) {
			props[property] = defaults[property];
		}
	});
}