48 lines
1013 B
TypeScript
48 lines
1013 B
TypeScript
import http from 'http'
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import type { Debugger } from 'debug'
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/**
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* Event listener for HTTP server "error" event.
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*
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* @since 0.0.0
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*/
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export function getErrorCb(port: number | string | boolean) {
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return (error: any) => {
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if (error.syscall !== 'listen') {
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throw error
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}
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const bind = typeof port === 'string' ? 'Pipe ' + port : 'Port ' + port
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// handle specific listen errors with friendly messages
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switch (error.code) {
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case 'EACCES': {
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console.error(bind + ' requires elevated privileges')
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process.exit(1)
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}
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case 'EADDRINUSE': {
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console.error(bind + ' is already in use')
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process.exit(1)
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}
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default:
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throw error
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}
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}
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}
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/**
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* Event listener for HTTP server "listening" event.
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*
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* @since 0.0.0
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*/
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export function getListeningCb(server: http.Server, debug: Debugger) {
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return () => {
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const addr = server.address()
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if (addr) {
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const bind = typeof addr === 'string' ? 'pipe ' + addr : 'port ' + addr.port
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debug('Listening on ' + bind)
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}
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}
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}
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