Function getFileDescriptor

lib/stdio/handle.js:39–59

({stdioOption, fdNumber, options, isSync})

};

const getFileDescriptor = ({stdioOption, fdNumber, options, isSync}) => {
	const optionName = getStreamName(fdNumber);
	const {stdioItems: initialStdioItems, isStdioArray} = initializeStdioItems({
		stdioOption,
		fdNumber,
		options,
		optionName,
	});
	const direction = getStreamDirection(initialStdioItems, fdNumber, optionName);
	const stdioItems = initialStdioItems.map(stdioItem => handleNativeStream({
		stdioItem,
		isStdioArray,
		fdNumber,
		direction,
		isSync,
	}));
	const normalizedStdioItems = normalizeTransforms(stdioItems, optionName, direction, options);
	const objectMode = getFdObjectMode(normalizedStdioItems, direction);
	validateFileObjectMode(normalizedStdioItems, objectMode);
	return {direction, objectMode, stdioItems: normalizedStdioItems};
};

// We make sure passing an array with a single item behaves the same as passing that item without an array.
// This is what users would expect.