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add pretty message if port already in use(#927) #932

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merged 10 commits into from
Feb 1, 2017
Merged

add pretty message if port already in use(#927) #932

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0efd6f9
add pretty message if port already use(#927)
dex157 Jan 30, 2017
30e77d1
fix console async nature
dex157 Jan 30, 2017
d675deb
fix linter
dex157 Jan 30, 2017
cb9b3b3
clean callbacks code
dex157 Jan 31, 2017
9f6ccce
Check package.json for the startup script
dex157 Jan 31, 2017
f55b901
fix path to package
dex157 Jan 31, 2017
8de2b51
omit callback
dex157 Jan 31, 2017
9404483
remove extra check, code execute in try block
dex157 Jan 31, 2017
0278e8b
+ reason for change start listen port of node http
dex157 Jan 31, 2017
6d7945c
remove extra code for search package
dex157 Jan 31, 2017
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8 changes: 6 additions & 2 deletions bin/next-dev
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,10 @@ srv.start(argv.port)
}
})
.catch((err) => {
console.error(err)
process.exit(1)
if (err.code === 'EADDRINUSE') {
console.error(`Port ${argv.port} is already in use.\nUse \`npm run dev -- -p <some other port>\`.`)
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@arunoda arunoda Jan 31, 2017 •
edited
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We are not 100% sure, the user will have dev NPM script for next. So, we should try to find it.
Find a NPM script with just next but not with next start or next build.

If we found it, add the message which says npm run <script name> -- -p <some other port>.
Otherwise, just don't display that.

} else {
console.error(err)
}
process.nextTick(function () { process.exit(1) })
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process.nextTick(() => process.exit(1)) should do 😄

})
7 changes: 5 additions & 2 deletions server/index.js
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Expand Up @@ -119,10 +119,13 @@ export default class Server {
await this.prepare()
this.http = http.createServer(this.getRequestHandler())
await new Promise((resolve, reject) => {
this.http.listen(port, (err) => {
if (err) return reject(err)
this.http.on('error', (error) => {
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@timneutkens timneutkens Jan 30, 2017 •
edited
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this.http.on('error', (error) => reject(error))

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or just this.http.on('error', reject)?

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True, it was a long day 😉

reject(error)
})
this.http.on('listening', () => {
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this.http.on('listening', () => resolve())

resolve()
})
this.http.listen(port, () => {})
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we can omit callback ?

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Seems it's optional https://nodejs.org/api/http.html#http_server_listen_handle_callback

})
}

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