feishin/.erb/scripts/check-port-in-use.js
2022-12-19 17:44:40 -08:00

17 lines
411 B
JavaScript

import chalk from 'chalk';
import detectPort from 'detect-port';
const port = process.env.PORT || '4343';
detectPort(port, (err, availablePort) => {
if (port !== String(availablePort)) {
throw new Error(
chalk.whiteBright.bgRed.bold(
`Port "${port}" on "localhost" is already in use. Please use another port. ex: PORT=4343 npm start`
)
);
} else {
process.exit(0);
}
});