What is Readline.emitKeypressEvents() in Node.js?
Readline.emitKeyPressEvents() makes the given Readable stream start emitting keypress events corresponding to the provided input.
Protoype
readline.emitKeypressEvents(stream[, interface])
Parameters
stream<stream.Readable>: TheReadable streamfrom which thekeypressevent will be emitted.interface<readline.Interface>: (optional) Specifies the interface for which autocompletion is turned off.
Code
const readline = require('readline');
console.log("Press any key")
readline.emitKeypressEvents(process.stdin);
if (process.stdin.isTTY)
process.stdin.setRawMode(true);
process.stdin.on('keypress', (str, key) => {
if(key.ctrl == true && key.name == 'c'){
process.exit()
}
console.log(str)
console.log(key)
})The code above demonstrates basic use of Readline.emitKeyPressEvents().
The code prints out the pressed key and its attributes to the standard output. To quit the program, press ctrl + c.
Note: If the stream is TTY, then it should be set to RAW mode.
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