The http.ClientRequest.writableFinished is an inbuilt application programming interface of class ClientRequest within http module which is used to check if all the data has been flushed or not.
Syntax:
const request.writableEnded
Parameters: This API does not accept any argument as parameter.
Return Value : This method returns true if and only if all the data has been flushed.
Example 1:
index.js
// NodeJS program to demonstrate the // request.writableFinished APi // Importing http module const http = require( 'http' );
// Create an HTTP server const server = http.createServer((req, res) => { res.writeHead(200, { 'Content-Type' : 'text/plain' });
res.end( 'okay' );
}); // Now that server is running server.listen(3000, '127.0.0.1' , () => {
// make a request
const options = {
port: 3000,
host: '127.0.0.1' ,
headers: {
'Connection' : 'Upgrade' ,
'Upgrade' : 'websocket'
}
};
// getting client request
const req = http.request(options);
// checking if the all data has been flushed
// by using writableFinished api
if (req.writableFinished)
console.log( 'all data has been flushed' )
else
console.log( 'all data has not been flushed' )
process.exit(0)
}); |
Output: