ui/server/src/devServer-1 · Developer Docs

Cockpit server, next. Source: n/a.

Variables#

DEFAULT_KILL_GRACE_MS#

const DEFAULT_KILL_GRACE_MS: 4000 = 4_000

Defined in: ui/server/src/devServer.mjs:45

DEFAULT_PORT_BASE#

const DEFAULT_PORT_BASE: 5173 = 5173

Defined in: ui/server/src/devServer.mjs:39

The port tried first: Vite's default, so a typical app lands where its developer expects.

DEFAULT_STARTUP_TIMEOUT_MS#

const DEFAULT_STARTUP_TIMEOUT_MS: 90000 = 90_000

Defined in: ui/server/src/devServer.mjs:44

REFUSALS#

const REFUSALS: Readonly<{ NO_PROJECT: { code: string; message: string; }; NO_SCRIPT: { code: string; message: string; }; OUTSIDE_WORKSPACE: { code: string; message: string; }; }>

Defined in: ui/server/src/devServer.mjs:49

RESERVED_PORTS#

const RESERVED_PORTS: readonly number[]

Defined in: ui/server/src/devServer.mjs:41

Ports the Cockpit will not hand out (its own defaults and the web's), whether or not they look free.

Functions#

busyPortFrom()#

busyPortFrom(text): number

Defined in: ui/server/src/devServer.mjs:83

The port the output says was taken (EADDRINUSE ... :5173, Port 5173 is in use), or null.

Parameters#

text

any

Returns#

number

createDevServerService()#

createDevServerService(options?): object

Defined in: ui/server/src/devServer.mjs:193

Parameters#

options?

getBranchInfo?

(root) => object = ...

which branch is checked out, and did Cockpit create it

getProjectDir

() => string

the directory the Cockpit is pointed at right now

killGraceMs?

number = DEFAULT_KILL_GRACE_MS

SIGTERM -> SIGKILL grace on stop

log?

{ record: Function; } = serverLog

where output lines go (the Logs tab); record(source, level, text, now, login)

log.record

Function

portBase?

number = ...

first port tried (default 5173, or CONSTRUCT_DEV_SERVER_PORT_BASE)

spawn?

any = nodeSpawn

test seam

startupTimeoutMs?

number = ...

how long "starting" may last before it is treated as failed

Returns#

start

start: (__namedParameters) => Promise<{ body: { branch: string; branchKind: string; code: string; command: { display: string; script: string; text: string; }; error: any; failure: any; networkWarning: any; ok: boolean; pid: any; port: any; refusal: any; root: any; startedAt: any; state: any; url: any; version: any; }; status: number; } | { body: { branch: string; branchKind: string; command: { display: string; script: string; text: string; }; failure: any; networkWarning: any; ok: boolean; pid: any; port: any; refusal: any; root: any; startedAt: any; state: any; url: any; version: any; }; status: number; }>

Parameters

__namedParameters?

Returns

Promise<{ body: { branch: string; branchKind: string; code: string; command: { display: string; script: string; text: string; }; error: any; failure: any; networkWarning: any; ok: boolean; pid: any; port: any; refusal: any; root: any; startedAt: any; state: any; url: any; version: any; }; status: number; } | { body: { branch: string; branchKind: string; command: { display: string; script: string; text: string; }; failure: any; networkWarning: any; ok: boolean; pid: any; port: any; refusal: any; root: any; startedAt: any; state: any; url: any; version: any; }; status: number; }>

stop

stop: () => Promise<{ body: { branch: string; branchKind: string; command: { display: string; script: string; text: string; }; failure: any; networkWarning: any; ok: boolean; pid: any; port: any; refusal: any; root: any; startedAt: any; state: any; url: any; version: any; }; status: number; }>

Returns

Promise<{ body: { branch: string; branchKind: string; command: { display: string; script: string; text: string; }; failure: any; networkWarning: any; ok: boolean; pid: any; port: any; refusal: any; root: any; startedAt: any; state: any; url: any; version: any; }; status: number; }>

currentRoot()

currentRoot(): string

The project root a stop-on-close should target: the one the Cockpit is looking at now, or null.

Returns

string

restart()

restart(opts?): Promise<{ body: { branch: string; branchKind: string; code: string; command: { display: string; script: string; text: string; }; error: any; failure: any; networkWarning: any; ok: boolean; pid: any; port: any; refusal: any; root: any; startedAt: any; state: any; url: any; version: any; }; status: number; } | { body: { branch: string; branchKind: string; command: { display: string; script: string; text: string; }; failure: any; networkWarning: any; ok: boolean; pid: any; port: any; refusal: any; root: any; startedAt: any; state: any; url: any; version: any; }; status: number; }>

Parameters

opts?

Returns

status()

status(): object

Returns

object

branch

branch: string

branchKind

branchKind: string

command

command: object

command.display

display: string

command.script

script: string

command.text

text: string

failure

failure: any

networkWarning

networkWarning: any

ok

ok: boolean = true

pid

pid: any

port

port: any

refusal

refusal: any

root

root: any

startedAt

startedAt: any

state

state: any

url

url: any

version

version: any

stopAll()

stopAll(): Promise<void>

Stop every user's dev server (the Cockpit itself is shutting down, and tests). Never throws.

Returns

Promise<void>

stopForLogin()

stopForLogin(login): Promise<void>

Stop every dev server one login started (that login signing out); other users' keep running. null/unusable login stops nothing. '' is the no-session (auth off) user. Never throws.

Parameters

login

any

Returns

Promise<void>

stopForRoot()

stopForRoot(root): Promise<void>

Stop the dev server of one project (Close project / switching projects). Never throws.

Parameters

root

any

Returns

Promise<void>

findFreePort()#

findFreePort(from?, __namedParameters?): Promise<number>

Defined in: ui/server/src/devServer.mjs:100

The first free port at or above from, skipping the reserved ones and any in taken (ports another slot has claimed but not bound yet); null when none in the search window.

Parameters#

from?

number = DEFAULT_PORT_BASE

__namedParameters?

reserved?

readonly number[] = RESERVED_PORTS

taken?

any = null

Returns#

Promise<number>

isPortFree()#

isPortFree(port, host?): Promise<any>

Defined in: ui/server/src/devServer.mjs:90

Can something listen on 127.0.0.1:port right now?

Parameters#

port

any

host?

string = '127.0.0.1'

Returns#

Promise<any>

killLiveDevServers()#

killLiveDevServers(): void

Defined in: ui/server/src/devServer.mjs:156

SIGKILL every live dev server's process group. Registered on exit and the terminating signals; exported for tests.

Returns#

void

looksLikePortBusy()#

looksLikePortBusy(text): boolean

Defined in: ui/server/src/devServer.mjs:78

Does this output say the port was taken? Covers Node's own EADDRINUSE and the wording Vite/Next/webpack use.

Parameters#

text

any

Returns#

boolean

nonLoopbackAddresses()#

nonLoopbackAddresses(): any[]

Defined in: ui/server/src/devServer.mjs:126

This machine's own addresses other than loopback, on every interface (what a LAN peer could reach it by).

Returns#

any[]

parseLocalPort()#

parseLocalPort(line): number

Defined in: ui/server/src/devServer.mjs:71

A local address in a line of dev-server output (Local: http://localhost:5173/), as a port, or null.

Parameters#

line

any

Returns#

number

readDevCommand()#

readDevCommand(root): { display?: undefined; refusal: { code: string; message: string; }; script?: undefined; text?: undefined; } | { display: string; refusal?: undefined; script: string; text: string; }

Defined in: ui/server/src/devServer.mjs:56

{script, text, display} for the project at root, or {refusal}. dev wins over start. Reads only.

Parameters#

root

any

Returns#

{ display?: undefined; refusal: { code: string; message: string; }; script?: undefined; text?: undefined; } | { display: string; refusal?: undefined; script: string; text: string; }