You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
616 B
20 lines
616 B
/**
|
|
* Parse a string as a port number. Non-integers or invalid ports will
|
|
* result in an error being thrown.
|
|
*
|
|
* @param {string} portString - The string to parse as a port number
|
|
* @returns {number} The parsed port number
|
|
*/
|
|
function parsePort(portString) {
|
|
const port = Number(portString);
|
|
if (!Number.isInteger(port)) {
|
|
throw new Error(`Port '${portString}' is invalid; must be an integer`);
|
|
} else if (port < 0 || port > 65535) {
|
|
throw new Error(
|
|
`Port '${portString}' is out of range; must be between 0 and 65535 inclusive`,
|
|
);
|
|
}
|
|
return port;
|
|
}
|
|
|
|
module.exports = { parsePort };
|
|
|