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Configuration error
Configuration error
File size: 3,969 Bytes
4dcc016 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | import { useCallback, useEffect, useRef, useState } from 'react'
import {
createOrAttachSession,
openTerminalSocket,
resizeTerminalSession,
sendTerminalInput,
stopTerminalSession,
} from '../api/terminal'
const BUFFER_LIMIT = 160000
function trimBuffer(text) {
return text.length > BUFFER_LIMIT ? text.slice(-BUFFER_LIMIT) : text
}
export function useTerminalSession(jobId) {
const [session, setSession] = useState(null)
const [buffer, setBuffer] = useState('')
const [connectionState, setConnectionState] = useState('connecting')
const [error, setError] = useState('')
const [lastOutputAt, setLastOutputAt] = useState(null)
const socketRef = useRef(null)
const resizeRef = useRef({ cols: null, rows: null })
const attachSocket = useCallback((sessionId) => {
if (socketRef.current) {
socketRef.current.close()
}
const socket = openTerminalSocket(sessionId)
socketRef.current = socket
setConnectionState('connecting')
socket.addEventListener('open', () => {
setConnectionState('connected')
})
socket.addEventListener('message', (event) => {
const payload = JSON.parse(event.data)
if (payload.type === 'snapshot') {
setSession(payload.session)
setBuffer(payload.buffer || '')
return
}
if (payload.type === 'output') {
setLastOutputAt(Date.now())
setBuffer((previous) => trimBuffer(previous + payload.data))
return
}
if (payload.type === 'exit') {
setSession((previous) =>
previous
? {
...previous,
status: payload.status,
exit_code: payload.exit_code,
finished_at: payload.finished_at,
}
: previous,
)
}
})
socket.addEventListener('close', () => {
setConnectionState('disconnected')
})
socket.addEventListener('error', () => {
setConnectionState('error')
})
}, [])
const bootSession = useCallback(
async (restart = false) => {
try {
setError('')
const payload = await createOrAttachSession(jobId, { restart })
setSession(payload.session)
setBuffer(payload.buffer || '')
attachSocket(payload.session.id)
} catch (caughtError) {
setError(caughtError.message)
setConnectionState('error')
}
},
[attachSocket, jobId],
)
useEffect(() => {
const timeoutId = window.setTimeout(() => {
void bootSession(false)
}, 0)
return () => {
window.clearTimeout(timeoutId)
if (socketRef.current) {
socketRef.current.close()
}
}
}, [bootSession])
const restart = useCallback(() => bootSession(true), [bootSession])
const stop = useCallback(async () => {
if (!session?.id) {
return
}
try {
await stopTerminalSession(session.id)
} catch (caughtError) {
setError(caughtError.message)
}
}, [session])
const sendInput = useCallback(
async (value, appendNewline = true) => {
if (!session?.id || !value.trim()) {
return
}
try {
await sendTerminalInput(session.id, value, appendNewline)
} catch (caughtError) {
setError(caughtError.message)
}
},
[session],
)
const resize = useCallback(
async (cols, rows) => {
if (!session?.id) {
return
}
const previous = resizeRef.current
if (previous.cols === cols && previous.rows === rows) {
return
}
resizeRef.current = { cols, rows }
try {
await resizeTerminalSession(session.id, cols, rows)
} catch {
// Ignore resize errors so rendering stays responsive.
}
},
[session],
)
return {
buffer,
connectionState,
error,
lastOutputAt,
restart,
resize,
sendInput,
session,
start: () => bootSession(false),
stop,
}
}
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