The
stream.Readable.from() method is an inbuilt application programming interface of the Stream module which is used to construct Readable Streams out of iterators.
Syntax:
stream.Readable.from( iterable, options )
Parameters: This method accept two parameters as mentioned above and described below:
- iterable: It is an object which implements the Symbol.asyncIterator or Symbol.iterator iterable protocol.
- options: It is an options provided to the new stream.Readable([options]). By default, the Readable.from() method will set options.objectMode to true, unless its not set to false manually.
Return Value: It returns
stream.Readable.
Below examples illustrate the use of
stream.Readable.from() method in Node.js:
Example 1:
Output:
Program completed!!
GfG
CS-Portal...
Example 2:
Output:
Program completed!!
5
13
Reference: https://nodejs.org/api/stream.html#stream_stream_readable_from_iterable_options