Function getFinalFileDescriptor

lib/stdio/handle.js:183–199

({
	fileDescriptor: {direction, objectMode, stdioItems},
	fileDescriptors,
	addProperties,
	options,
	isSync,
})

};

const getFinalFileDescriptor = ({
	fileDescriptor: {direction, objectMode, stdioItems},
	fileDescriptors,
	addProperties,
	options,
	isSync,
}) => {
	const finalStdioItems = stdioItems.map(stdioItem => addStreamProperties({
		stdioItem,
		addProperties,
		direction,
		options,
		fileDescriptors,
		isSync,
	}));
	return {direction, objectMode, stdioItems: finalStdioItems};
};

const addStreamProperties = ({stdioItem, addProperties, direction, options, fileDescriptors, isSync}) => {
	const duplicateStream = getDuplicateStream({