Hugging Face's logo

Spaces:
openenv-community
/
RL_Surrogate_ENV
Configuration error

App Files Community
2
RL_Surrogate_ENV
File size: 4,336 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
 
import { forwardRef, useEffect, useImperativeHandle, useMemo, useRef } from 'react'
import { useTerminalSession } from '../hooks/useTerminalSession'

function formatTime(timestamp) {
  if (!timestamp) {
    return 'Idle'
  }
  return new Date(timestamp * 1000).toLocaleTimeString([], {
    hour: '2-digit',
    minute: '2-digit',
    second: '2-digit',
  })
}

function statusLabel(status) {
  if (status === 'running') {
    return 'Running'
  }
  if (status === 'failed') {
    return 'Failed'
  }
  if (status === 'exited') {
    return 'Completed'
  }
  return 'Starting'
}

const TerminalPane = forwardRef(function TerminalPane({ jobId, title, tone, onTelemetryChange }, ref) {
  const { session, buffer, connectionState, error, lastOutputAt, restart, resize, sendInput, start, stop } =
    useTerminalSession(jobId)
  const viewportRef = useRef(null)
  const scrollRef = useRef(null)

  useImperativeHandle(
    ref,
    () => ({
      submit: async (value) => {
        await sendInput(value, true)
      },
    }),
    [sendInput],
  )

  useEffect(() => {
    onTelemetryChange?.({
      jobId,
      session,
      connectionState,
      error,
      lastOutputAt,
    })
  }, [connectionState, error, jobId, lastOutputAt, onTelemetryChange, session])

  useEffect(() => {
    const container = scrollRef.current
    if (container) {
      container.scrollTop = container.scrollHeight
    }
  }, [buffer])

  useEffect(() => {
    const element = viewportRef.current
    if (!element) {
      return undefined
    }

    let frameId = 0
    const measure = () => {
      cancelAnimationFrame(frameId)
      frameId = requestAnimationFrame(() => {
        const style = getComputedStyle(element)
        const fontSize = parseFloat(style.fontSize) || 15
        const lineHeight = parseFloat(style.lineHeight) || 24
        const cols = Math.max(48, Math.floor(element.clientWidth / (fontSize * 0.61)))
        const rows = Math.max(14, Math.floor(element.clientHeight / lineHeight))
        resize(cols, rows)
      })
    }

    measure()
    const observer = new ResizeObserver(measure)
    observer.observe(element)

    return () => {
      cancelAnimationFrame(frameId)
      observer.disconnect()
    }
  }, [resize])

  const footerMeta = useMemo(
    () => [
      session?.status ? statusLabel(session.status) : 'Connecting',
      session?.started_at ? `Started ${formatTime(session.started_at)}` : null,
      session?.exit_code != null ? `Exit ${session.exit_code}` : null,
      connectionState === 'connected' ? 'WS live' : connectionState,
    ].filter(Boolean),
    [connectionState, session],
  )

  return (
    <article className={`terminal-pane terminal-pane--${tone}`}>
      <header className="terminal-pane__header">
        <div className="terminal-pane__heading">
          <div className="terminal-pane__title-row">
            <span className="terminal-pane__dot" />
            <h2>{title}</h2>
            <span className={`status-chip status-chip--${session?.status || 'starting'}`}>
              {statusLabel(session?.status)}
            </span>
          </div>
          <p>{session?.command || 'Waiting for backend session...'}</p>
          <small>{session?.cwd || 'No working directory available yet.'}</small>
        </div>

        <div className="terminal-pane__actions">
          <button type="button" onClick={start}>
            Attach
          </button>
          <button type="button" onClick={restart}>
            Restart
          </button>
          <button type="button" onClick={stop}>
            Stop
          </button>
        </div>
      </header>

      <div ref={viewportRef} className="terminal-pane__viewport">
        <div ref={scrollRef} className="terminal-pane__scroll">
          <pre className="terminal-pane__buffer">{buffer || 'Starting session...\n'}</pre>
          {session?.status === 'running' ? <span className="terminal-pane__cursor" aria-hidden="true" /> : null}
        </div>
      </div>

      <footer className="terminal-pane__footer">
        <div className="terminal-pane__meta">
          {footerMeta.map((item) => (
            <span key={item}>{item}</span>
          ))}
          {error ? <span className="terminal-pane__error">{error}</span> : null}
        </div>
      </footer>
    </article>
  )
})

export default TerminalPane