# get-port
Get an available TCP port.
获取可用的 TCP 端口。
# Example
可指定单个、多个、范围，不指定默认给随机的可用端口。
const getPort = require('get-port');
(async () => {
console.log(await getPort());
//=> 51402
})();
(async () => {
console.log(await getPort({port: 3000}));
// Will use 3000 if available, otherwise fall back to a random port
})();
(async () => {
console.log(await getPort({port: [3000, 3001, 3002]}));
// Will use any element in the preferred ports array if available, otherwise fall back to a random port
})();
(async () => {
console.log(await getPort({port: getPort.makeRange(3000, 3100)}));
// Will use any port from 3000 to 3100, otherwise fall back to a random port
})();