filetree

1import { type BuiltinToolResults, type EngineInterface, type Register, type Timer, update } from 'claude-code'
2import { openCommand } from './open'
3
4import type { Activity, FileNode, FileTree, Theme } from '../types'
5import { BRANCH_ICON, chainOf, type GitAction, gitActions, readOnly, readTargets, resolve, TONES } from './git'
6import type { RowSpec, RowsProps, Seg } from './rows'
7import { CHEVRON_CLOSED, CHEVRON_OPEN, fileIcon, GIT_COLOR } from './icons'
8import {
9  ancestorsOf,
10  type Change,
11  DEFAULT_THEME,
12  dirname,
13  emptyTree,
14  formatSize,
15  inside,
16  isAbsolute,
17  join,
18  mapper,
19  parseGit,
20  parseNumstat,
21  parseTheme,
22  posix,
23  relative,
24  dropBelow,
25  useDrives,
26  rollCounts,
27  replaceChildren,
28  rollUp,
29  stamp,
30  toNodes,
31  underAny,
32  visibleRows,
33} from './tree'
34
35const TREE = { plugin: 'filetree', key: 'tree' } as const
36const THEME = { plugin: 'filetree', key: 'theme' } as const
37const ACTIVITY = { plugin: 'filetree', key: 'activity' } as const
38const PANE = 'filetree'
39const SHIMMER = Object.fromEntries(Object.entries(TONES).map(([k, v]) => [k, { bright: v.bright, dim: v.dim }]))
40const BRANCH_ROW = '#branch'
41const FLASH_MS = 2700
42const RUNNING_MAX_MS = 600_000
43const NO_REPO_DEPTH = 4
44const DOUBLE_MS = 450
45const FIND_LIMIT = 200
46const READ_REVEAL_LIMIT = 12
47const SEARCH_REVEAL_LIMIT = 60
48const ACTIVITY_TTL_MS = 45_000
49const ADD_COLOR = '#98c379'
50const DEL_COLOR = '#e06c75'
51const THEME_FILE = '.local/state/omarchy/current/theme/colors.toml'
52const THEME_POLL_MS = 2000
53const FONT_SCRIPT =
54  'if command -v fc-list >/dev/null 2>&1; then f=$(fc-list ":charset=$1" file | head -n1 | cut -d: -f1); ' +
55  'else f=$(ls "$HOME"/Library/Fonts/*Nerd* /Library/Fonts/*Nerd* 2>/dev/null | head -n1); fi; ' +
56  '[ -n "$f" ] || { echo missing; exit 0; }; m=$(stat -c %Z "$f" 2>/dev/null || stat -f %c "$f"); p=$PPID; ' +
57  'while [ -n "$p" ] && [ "$p" -gt 1 ]; do c=$(ps -o comm= -p "$p" 2>/dev/null); c=$(basename "$c" 2>/dev/null | tr -d " "); case "$c" in ' +
58  'ghostty|kitty|alacritty|Alacritty|foot|footclient|wezterm-gui|konsole|gnome-terminal-|xterm|urxvt|st|Terminal|iTerm2) ' +
59  'e=$(ps -o etime= -p "$p" 2>/dev/null | awk -F\'[-:]\' \'{n=NF; s=$n+60*$(n-1); if (n>2) s+=3600*$(n-2); if (n>3) s+=86400*$(n-3); print s}\'); [ -n "$e" ] && [ $(( $(date +%s) - e )) -lt "$m" ] && echo stale || echo ok; exit 0;; esac; ' +
60  'p=$(ps -o ppid= -p "$p" 2>/dev/null | tr -d " "); done; echo ok'
61const PRUNE = ['.git', 'node_modules', 'target', '.venv', '__pycache__', 'dist', '.next']
62const HOME_PRUNE = ['Library', 'AppData', '.Trash']
63const SIZE_TIMEOUT_MS = 15_000
64const SIZE_JOBS = 2
65const SIZE_WALK_LIMIT = 50_000
66
67let blink: Timer | null = null
68let themePoll: Timer | null = null
69let themeMtime: number | null = null
70let generation = 0
71let lastPress = { key: '', at: 0 }
72let noNerd = false
73let glyphSetting = 'auto'
74let follow = true
75let followClaude = true
76let scanning: Promise<void> | null = null
77let scanJobs: Job[] = []
78let gitRun: Promise<void> | null = null
79let gitNext: Promise<void> | null = null
80let queuedReads: string[] = []
81let showReads = true
82let showWrites = true
83let searchIndex: { root: string; paths: Promise<string[]> } | null = null
84let activityId = 0
85let pointer = true
86let view = { from: 0, max: 0 }
87let lastSync = 0
88let noDock = false
89let home = ''
90let platform: Promise<'linux' | 'darwin' | 'win32'> | null = null
91let dirty: { root: string; files: Record<string, Change> } = { root: '', files: {} }
92let markId = 0
93let listSeq = 0
94let lastRoot = ''
95let sizeDefault = false
96let sizeEpoch = 0
97let sizeActive = 0
98let sizeQueue: string[] = []
99const sizing = new Set<string>()
100const listLatest = new Map<string, number>()
101const unreadable = new Set<string>()
102const background = new Map<string, Background>()
103
104function osName($: EngineInterface): Promise<'linux' | 'darwin' | 'win32'> {
105  platform ??= (async () => {
106    if ((await $.env.get('OS')) === 'Windows_NT') return 'win32'
107    try {
108      return (await $.process.run(['uname', '-s'], { timeoutMs: 3_000 })).stdout.trim() === 'Darwin' ? 'darwin' : 'linux'
109    } catch {
110      return 'linux'
111    }
112  })()
113  return platform
114}
115
116async function cwdOf($: EngineInterface): Promise<string> {
117  return posix(await $.session.cwd())
118}
119
120function clean(segs: Seg[]): Seg[] {
121  for (const seg of segs) for (const k of Object.keys(seg) as (keyof Seg)[]) if (seg[k] === undefined) delete seg[k]
122  return segs
123}
124
125function faint(hex: string): string {
126  const v = parseInt(hex.slice(1), 16)
127  const ch = (shift: number) => Math.round(0x26 + (((v >> shift) & 255) - 0x26) * 0.3)
128  return `#${[16, 8, 0].map(x => ch(x).toString(16).padStart(2, '0')).join('')}`
129}
130
131async function get($: EngineInterface): Promise<FileTree> {
132  return { ...emptyTree(''), ...(await $.state.get(TREE)).value }
133}
134
135async function put($: EngineInterface, fn: (t: FileTree) => FileTree): Promise<void> {
136  await update($, TREE, cur => fn({ ...emptyTree(''), ...cur }))
137}
138
139function patch($: EngineInterface, fn: (t: FileTree) => Partial<FileTree>) {
140  return put($, t => ({ ...t, ...fn(t) }))
141}
142
143async function activities($: EngineInterface): Promise<Activity[]> {
144  return (await $.state.get(ACTIVITY)).value ?? []
145}
146
147async function setActivities($: EngineInterface, fn: (list: Activity[]) => Activity[]): Promise<void> {
148  await update($, ACTIVITY, cur => fn(cur ?? []).slice(-6))
149}
150
151async function list($: EngineInterface, dir: string): Promise<FileNode[] | null> {
152  try {
153    const entries = await $.fs.list(dir)
154    const resolved = await Promise.all(
155      entries.map(async e => {
156        if (!e.isLink) return { name: e.name, kind: e.kind, mtimeMs: e.mtimeMs, size: e.size, isLink: false }
157        try {
158          const target = await $.fs.stat(join(dir, e.name))
159          return target.kind === 'dir'
160            ? { name: e.name, kind: 'dir' as const, mtimeMs: target.mtimeMs, size: 0, isLink: false }
161            : { name: e.name, kind: 'file' as const, mtimeMs: target.mtimeMs, size: target.size, isLink: true }
162        } catch {
163          return { name: e.name, kind: 'other' as const, mtimeMs: 0, size: 0, isLink: true }
164        }
165      }),
166    )
167    unreadable.delete(dir)
168    return toNodes(dir, resolved)
169  } catch (err) {
170    if (!(await exists($, dir))) return []
171    if (!unreadable.has(dir)) {
172      unreadable.add(dir)
173      $.ui.toast(`could not list ${shortPath(dir)}: ${err instanceof Error ? err.message : String(err)}`)
174    }
175    return null
176  }
177}
178
179async function loadDirs($: EngineInterface, dirs: string[]): Promise<Map<string, FileNode[]>> {
180  const root = (await get($)).root
181  const seq = ++listSeq
182  for (const dir of dirs) listLatest.set(dir, seq)
183  const results = await Promise.all(dirs.map(async dir => [dir, await list($, dir)] as const))
184  const listed = new Map<string, FileNode[]>()
185  for (const [dir, kids] of results) {
186    if (listLatest.get(dir) !== seq) continue
187    listLatest.delete(dir)
188    if (kids) listed.set(dir, kids)
189  }
190  await patch($, t => (t.root === root ? { nodes: replaceChildren(t.nodes, listed) } : {}))
191  return listed
192}
193
194async function git($: EngineInterface, cwd: string, args: string[], timeoutMs = 20_000) {
195  return $.process.run(['git', '--no-optional-locks', '-C', cwd, ...args], { timeoutMs, env: { GIT_OPTIONAL_LOCKS: '0' } })
196}
197
198async function detectRepo($: EngineInterface): Promise<void> {
199  const t = await get($)
200  if (!t.root) return
201  let top = ''
202  let prefix = ''
203  try {
204    const run = await git($, t.root, ['rev-parse', '--show-prefix', '--show-toplevel'], 5_000)
205    const [p = '', tl = ''] = run.exitCode === 0 ? run.stdout.split('\n') : []
206    prefix = p.trim()
207    top = tl.trim()
208  } catch {
209    top = ''
210  }
211  await patch($, cur => (cur.root === t.root ? { top, prefix } : {}))
212}
213
214async function readGit($: EngineInterface): Promise<void> {
215  const t = await get($)
216  if (!t.root || !t.top) return
217  const root = t.root
218  try {
219    const status = await git($, root, ['status', '--porcelain=v1', '-b', '-z', '--ignored=traditional', '--untracked-files=normal', '--', '.'])
220    if (status.exitCode !== 0) return
221    const parsed = parseGit(status.stdout, root, t.prefix)
222    const diff: Record<string, [number, number]> = {}
223    const head = await git($, root, ['diff', 'HEAD', '--numstat', '-z', '--', '.'])
224    if (head.exitCode === 0) parseNumstat(head.stdout, root, t.prefix, diff)
225    const files = { ...parsed.files }
226    if (parsed.untrackedDirs.length) {
227      const others = await git($, root, ['ls-files', '-o', '--exclude-standard', '-z', '--', ...parsed.untrackedDirs.map(d => d.slice(root.length + 1) || '.')])
228      if (others.exitCode === 0) for (const rel of others.stdout.split('\0').filter(Boolean)) files[join(root, rel)] = 'new'
229    }
230    for (const path of Object.keys(diff)) if (files[path] === 'new') delete diff[path]
231    dirty = { root, files }
232    await patch($, cur =>
233      cur.root === root
234        ? {
235            git: parsed.git,
236            ignored: parsed.ignored,
237            untrackedDirs: parsed.untrackedDirs,
238            branch: parsed.branch,
239            counts: rollCounts(files, root),
240            diff: rollUp(diff, root),
241          }
242        : {},
243    )
244  } catch {
245    return
246  }
247}
248
249function refreshGit($: EngineInterface): Promise<void> {
250  if (!gitRun) {
251    gitRun = readGit($).finally(() => {
252      gitRun = null
253    })
254    return gitRun
255  }
256  const rerun = () => {
257    gitNext = null
258    return refreshGit($)
259  }
260  gitNext ??= gitRun.then(rerun, rerun)
261  return gitNext
262}
263
264async function reset($: EngineInterface, root: string, focus = false): Promise<void> {
265  const prev = await get($)
266  generation += 1
267  blink?.cancel()
268  blink = null
269  lastRoot = root
270  searchIndex = null
271  sizeEpoch += 1
272  sizeQueue = []
273  await put($, () => ({ ...emptyTree(root), showHidden: prev.showHidden, showSize: prev.root ? prev.showSize : sizeDefault }))
274  const title = `Files: ${root.split('/').pop() || root}`
275  if (focus) await $.ui.open({ id: PANE, title, focus: true })
276  else if (!noDock) await $.ui.open({ id: PANE, title })
277  await loadDirs($, [root])
278  await detectRepo($)
279  await refreshGit($)
280}
281
282async function revealPaths($: EngineInterface, paths: string[]): Promise<void> {
283  const tried = new Set<string>()
284  for (let pass = 0; pass < 32; pass++) {
285    const t = await get($)
286    const loaded = new Set(t.nodes.filter(n => n.loaded).map(n => n.id))
287    if (t.nodes.some(n => n.parent === t.root)) loaded.add(t.root)
288    const need = new Set<string>()
289    for (const p of paths) {
290      for (const dir of [t.root, ...ancestorsOf(p, t.root).reverse()]) {
291        if (!loaded.has(dir)) {
292          if (!tried.has(dir)) need.add(dir)
293          break
294        }
295      }
296    }
297    if (need.size === 0) return
298    for (const dir of need) tried.add(dir)
299    await loadDirs($, [...need])
300  }
301}
302
303function pruneArgs(root: string, ignored: string[] = []): string[] {
304  const names = broad(root) ? [...PRUNE, ...HOME_PRUNE] : PRUNE
305  return ['(', ...names.flatMap((name, i) => (i === 0 ? ['-name', name] : ['-o', '-name', name])), ...ignored.flatMap(p => ['-o', '-path', p]), ')', '-prune', '-o']
306}
307
308async function newer($: EngineInterface, paths: string[], sinceMs: number): Promise<string[]> {
309  const stats = await Promise.all(
310    paths.map(async p => {
311      try {
312        return (await $.fs.stat(p)).mtimeMs > sinceMs ? p : ''
313      } catch {
314        return ''
315      }
316    }),
317  )
318  return stats.filter(Boolean)
319}
320
321function broad(root: string): boolean {
322  return root === home || root === '/' || /^[A-Za-z]:\/$/.test(root)
323}
324
325function rootOfDisk(root: string): boolean {
326  return root === '/' || /^[A-Za-z]:\/$/.test(root)
327}
328
329async function changedSince($: EngineInterface, root: string, since: Since, depth: number, ignored: string[] = []): Promise<string[]> {
330  if (rootOfDisk(root)) return []
331  const test = since.mark ? ['-newer', since.mark] : ['-newermt', `@${(since.ms / 1000).toFixed(3)}`]
332  try {
333    const run = await $.process.run(['find', '-H', root, '-xdev', ...(depth ? ['-maxdepth', String(depth)] : []), ...pruneArgs(root, ignored.filter(p => inside(root, p)).slice(0, 40)), ...test, '-print0'], { timeoutMs: 8_000 })
334    return run.stdout.split('\0').filter(p => p && p !== root)
335  } catch {
336    return []
337  }
338}
339
340async function changedInRepo($: EngineInterface, root: string, since: Since, before: Record<string, Change>, ignored: string[]): Promise<{ hits: string[]; gone: string[] }> {
341  if (since.os !== 'win32') return { hits: await changedSince($, root, since, 0, ignored), gone: [] }
342  if (dirty.root !== root) return { hits: [], gone: [] }
343  const entries = Object.entries(dirty.files)
344  const gone = entries.filter(([p, c]) => c === 'del' && before[p] !== 'del').map(([p]) => p)
345  const live = entries.filter(([, c]) => c !== 'del').map(([p]) => p)
346  return { hits: await newer($, live.slice(0, 4_000), since.ms), gone }
347}
348
349type Since = { ms: number; mark: string; os: 'linux' | 'darwin' | 'win32' }
350
351async function sinceNow($: EngineInterface, writes: boolean): Promise<Since> {
352  const ms = await $.clock.now()
353  const os = await osName($)
354  if (os !== 'darwin' || !writes) return { ms, mark: '', os }
355  const mark = `${((await $.env.get('TMPDIR')) || '/tmp').replace(/\/+$/, '')}/filetree-${await $.session.id()}-${++markId}.mark`
356  try {
357    await $.process.run(['touch', mark], { timeoutMs: 3_000 })
358    return { ms, mark, os }
359  } catch {
360    return { ms, mark: '', os }
361  }
362}
363
364async function walkSize($: EngineInterface, dir: string): Promise<number> {
365  let total = 0
366  let seen = 0
367  let level = [dir]
368  while (level.length) {
369    const next: string[] = []
370    for (const d of level) {
371      let entries
372      try {
373        entries = await $.fs.list(d)
374      } catch {
375        continue
376      }
377      for (const e of entries) {
378        if (++seen > SIZE_WALK_LIMIT) return -1
379        if (e.kind === 'dir' && !e.isLink) next.push(join(d, e.name))
380        else if (e.kind === 'file') total += e.size
381      }
382    }
383    level = next
384  }
385  return total
386}
387
388async function dirSize($: EngineInterface, dir: string): Promise<number> {
389  if (rootOfDisk(dir)) return -1
390  if ((await osName($)) === 'win32') return walkSize($, dir)
391  try {
392    const run = await $.process.run(['du', '-skxH', dir], { timeoutMs: SIZE_TIMEOUT_MS })
393    const kb = Number(run.stdout.trim().split(/\s/)[0] || NaN)
394    return Number.isFinite(kb) ? kb * 1024 : -1
395  } catch {
396    return -1
397  }
398}
399
400function pumpSizes($: EngineInterface): void {
401  while (sizeActive < SIZE_JOBS && sizeQueue.length) {
402    const dir = sizeQueue.shift() ?? ''
403    const epoch = sizeEpoch
404    sizing.add(dir)
405    sizeActive += 1
406    void dirSize($, dir)
407      .then(async bytes => {
408        if (epoch === sizeEpoch) return patch($, cur => (inside(cur.root, dir) ? { dirSizes: { ...cur.dirSizes, [dir]: bytes } } : {}))
409        const cur = await get($)
410        if (cur.showSize && inside(cur.root, dir) && !(dir in cur.dirSizes) && !sizeQueue.includes(dir)) sizeQueue.push(dir)
411      })
412      .catch(() => undefined)
413      .finally(() => {
414        sizing.delete(dir)
415        sizeActive -= 1
416        pumpSizes($)
417      })
418  }
419}
420
421function wantSizes($: EngineInterface, dirs: string[]): void {
422  for (const dir of dirs) if (!sizing.has(dir) && !sizeQueue.includes(dir)) sizeQueue.push(dir)
423  pumpSizes($)
424}
425
426async function staleSizes($: EngineInterface, paths?: string[]): Promise<void> {
427  sizeEpoch += 1
428  sizeQueue = []
429  await patch($, cur => {
430    if (!paths) return { dirSizes: {} }
431    const keep: Record<string, number> = {}
432    for (const [dir, bytes] of Object.entries(cur.dirSizes)) if (!paths.some(p => inside(dir, p))) keep[dir] = bytes
433    return { dirSizes: keep }
434  })
435}
436
437function openDirs(t: FileTree): string[] {
438  const open = new Set(t.expanded)
439  return t.nodes.filter(n => n.kind === 'dir' && n.loaded && open.has(n.id)).map(n => n.id)
440}
441
442function keepTop(cur: FileTree, expanded: string[]): Partial<FileTree> {
443  if (followClaude) return { scroll: null }
444  const top = visibleRows(cur)[cur.scroll ?? view.from]?.node.id
445  const at = top ? visibleRows({ ...cur, expanded }).findIndex(r => r.node.id === top) : -1
446  return at < 0 ? {} : { scroll: at }
447}
448
449async function flash($: EngineInterface, tones: Record<string, string>): Promise<void> {
450  const unique = Object.keys(tones)
451  if (unique.length === 0) return
452  const mine = ++generation
453  const root = (await get($)).root
454  blink?.cancel()
455  blink = null
456  await patch($, cur => {
457    if (cur.root !== root) return {}
458    const open = new Set(cur.expanded)
459    const bright = new Set([...(cur.flashOn ? cur.flash.filter(id => !unique.includes(id)) : []), ...unique])
460    const dim = new Set<string>()
461    const all: Record<string, string> = cur.flashOn ? { ...cur.flashTones } : {}
462    if (cur.flashOn) {
463      for (const id of cur.flashDim) dim.add(id)
464    }
465    for (const id of unique) {
466      const tone = tones[id] ?? 'orange'
467      all[id] = tone
468      if (id === BRANCH_ROW) continue
469      const chain = ancestorsOf(id, cur.root)
470      if (!chain.some(a => !open.has(a))) continue
471      for (const a of chain) {
472        if (!open.has(a)) {
473          dim.add(a)
474          all[a] = all[a] ?? tone
475        }
476        open.add(a)
477      }
478    }
479    for (const id of bright) dim.delete(id)
480    return {
481      flash: [...bright],
482      flashDim: [...dim],
483      flashOn: true,
484      flashTones: all,
485      expanded: [...open],
486      ...keepTop(cur, [...open]),
487    }
488  })
489  if (generation !== mine) return
490  blink = $.clock.after(FLASH_MS, () => {
491    if (generation !== mine) return
492    blink = null
493    void patch($, cur => (generation === mine ? { flash: [], flashDim: [], flashOn: false, flashTones: {} } : {}))
494  })
495}
496
497async function followCwd($: EngineInterface): Promise<boolean> {
498  if (!follow) return false
499  const cwd = await cwdOf($)
500  const t = await get($)
501  if (t.root === cwd) return false
502  await reset($, cwd)
503  return true
504}
505
506type Pending = { actions: GitAction[]; ids: number[]; command: string; head: string }
507type Job = { actions: GitAction[]; since: Since; initRepo: boolean; readOnly: boolean }
508type Background = { p: Pending | null; job: Job; reads: string[] }
509type GitOperation = NonNullable<BuiltinToolResults['Bash']['gitOperation']>
510type Outcome = { state: 'done' | 'failed'; label: string; detail: string }
511
512const PROOF: Record<string, (op: GitOperation) => boolean> = {
513  push: op => Boolean(op.push),
514  merge: op => op.branch?.action === 'merged',
515  rebase: op => op.branch?.action === 'rebased',
516  'pr create': op => op.pr?.action === 'created',
517  'pr merge': op => op.pr?.action === 'merged',
518  'pr comment': op => op.pr?.action === 'commented',
519}
520
521async function startGit($: EngineInterface, actions: GitAction[]): Promise<number[]> {
522  const now = await $.clock.now()
523  const ids = actions.map(() => ++activityId)
524  await setActivities($, cur => [
525    ...cur.filter(a => a.state === 'running' || now - a.at < ACTIVITY_TTL_MS),
526    ...actions.map((a, i) => ({
527      id: ids[i] ?? 0,
528      kind: a.kind,
529      label: a.running,
530      state: 'running' as const,
531      detail: '',
532      at: now,
533      tone: a.tone,
534      nerd: a.icon.nerd,
535      plain: a.icon.plain,
536    })),
537  ])
538  return ids
539}
540
541async function headOf($: EngineInterface, cwd: string): Promise<string> {
542  try {
543    const run = await git($, cwd, ['rev-parse', 'HEAD'], 5_000)
544    return run.exitCode === 0 ? run.stdout.trim() : ''
545  } catch {
546    return ''
547  }
548}
549
550async function outcomes($: EngineInterface, p: Pending, ok: boolean, op: GitOperation | undefined): Promise<Outcome[]> {
551  const chain = chainOf(p.command)
552  const after = p.actions.some(a => a.verb === 'commit') && !op?.commit ? await headOf($, (await get($)).root || (await cwdOf($))) : ''
553  return p.actions.map(a => {
554    if (a.verb === 'commit') {
555      const sha = op?.commit?.sha || (after && after !== p.head ? after : '')
556      return sha ? { state: 'done', label: a.done, detail: sha.slice(0, 7) } : { state: 'failed', label: `${a.verb} failed`, detail: '' }
557    }
558    if ((op && PROOF[a.verb]?.(op)) || (ok && chain.and)) return { state: 'done', label: a.done, detail: '' }
559    if (!ok && chain.and && chain.size === 1) return { state: 'failed', label: `${a.verb} failed`, detail: '' }
560    return { state: 'done', label: `ran ${a.kind}`, detail: '' }
561  })
562}
563
564async function finishGit($: EngineInterface, p: Pending, results: Outcome[]): Promise<void> {
565  const now = await $.clock.now()
566  await setActivities($, cur =>
567    cur.map(a => {
568      const i = p.ids.indexOf(a.id)
569      const result = i < 0 ? undefined : results[i]
570      return result ? { ...a, ...result, at: now } : a
571    }),
572  )
573  $.clock.after(ACTIVITY_TTL_MS + 500, () => void setActivities($, cur => cur.filter(a => a.state === 'running' || a.at > now)))
574}
575
576function failAll(p: Pending): Outcome[] {
577  return p.actions.map(a => ({ state: 'failed', label: `${a.verb} failed`, detail: '' }))
578}
579
580function proven(p: Pending | null, results: Outcome[]): GitAction[] {
581  return p ? p.actions.filter((_, i) => results[i]?.state !== 'failed') : []
582}
583
584function taskEnds(text: string): [string, string][] {
585  return [...text.matchAll(/<task-notification>([\s\S]*?)<\/task-notification>/g)].flatMap(m => {
586    const id = /<task-id>([^<]*)<\/task-id>/.exec(m[1] ?? '')?.[1]?.trim()
587    const status = /<status>([^<]*)<\/status>/.exec(m[1] ?? '')?.[1]?.trim()
588    return id && status ? [[id, status] as [string, string]] : []
589  })
590}
591
592async function settleBackground($: EngineInterface, text: string): Promise<void> {
593  if (background.size === 0 || !text.includes('<task-notification>')) return
594  for (const [id, status] of taskEnds(text)) {
595    const task = background.get(id)
596    if (!task) continue
597    background.delete(id)
598    const ok = status === 'completed'
599    const results = task.p ? await outcomes($, task.p, ok, undefined) : []
600    if (task.p) await finishGit($, task.p, results)
601    if (showReads) queuedReads.push(...task.reads)
602    scheduleScan($, { ...task.job, actions: proven(task.p, results) })
603  }
604}
605
606async function gitPaths($: EngineInterface, root: string, prefix: string, committed: boolean): Promise<string[]> {
607  const map = mapper(root, prefix)
608  try {
609    const run = committed
610      ? await git($, root, ['diff-tree', '--root', '--no-commit-id', '--name-only', '-r', '-z', 'HEAD'], 5_000)
611      : await git($, root, ['diff', '--cached', '--name-only', '-z'], 5_000)
612    return run.exitCode === 0 ? run.stdout.split('\0').filter(Boolean).flatMap(rel => map(rel) ?? []) : []
613  } catch {
614    return []
615  }
616}
617
618async function gitDir($: EngineInterface, cwd: string): Promise<string> {
619  for (let dir = cwd, i = 0; i < 64; i++) {
620    try {
621      const dot = join(dir, '.git')
622      const st = await $.fs.stat(dot)
623      if (st.kind === 'dir') return dot
624      const ref = /^gitdir:\s*(.+)$/m.exec(String(await $.fs.read(dot)))?.[1]?.trim()
625      if (ref) return resolve(dir, ref, home)
626    } catch {
627      const up = dirname(dir)
628      if (up === dir) return ''
629      dir = up
630      continue
631    }
632    return ''
633  }
634  return ''
635}
636
637async function sync($: EngineInterface, force = false): Promise<void> {
638  const now = await $.clock.now()
639  if (!force && now - lastSync < 2_000) return
640  lastSync = now
641  searchIndex = null
642  const t = await get($)
643  if (!t.root) return
644  await loadDirs($, [t.root, ...openDirs(t)])
645  if (t.top) await refreshGit($)
646}
647
648async function copyPath($: EngineInterface, id: string, absolute: boolean, surface?: string): Promise<void> {
649  const t = await get($)
650  const text = !absolute && id !== t.root && inside(t.root, id) ? id.slice(t.root.endsWith('/') ? t.root.length : t.root.length + 1) : id
651  const done = await $.ui.copy({ text, ...(surface ? { surface: surface as 'terminal' } : {}) })
652  $.ui.toast(done.isCopied ? `Copied ${text}` : 'Could not copy the path')
653}
654
655async function exists($: EngineInterface, path: string): Promise<boolean> {
656  try {
657    await $.fs.stat(path)
658    return true
659  } catch {
660    return false
661  }
662}
663
664async function afterBash($: EngineInterface, jobs: Job[]): Promise<void> {
665  const reads = queuedReads
666  queuedReads = []
667  if (await followCwd($)) return
668  const t = await get($)
669  if (!t.root) return
670  const actions = jobs.flatMap(j => j.actions)
671  const writers = jobs.filter(j => !j.readOnly)
672  const since = (writers.length ? writers : jobs).reduce((a, j) => (j.since.ms < a.ms ? j.since : a), (writers[0] ?? jobs[0])?.since ?? { ms: 0, mark: '', os: 'linux' as const })
673  const writes = !jobs.every(j => j.readOnly)
674  const before = dirty.root === t.root ? dirty.files : {}
675  if (jobs.some(j => j.initRepo)) await detectRepo($)
676  else if (!t.top && (await exists($, join(t.root, '.git')))) await detectRepo($)
677  const probed = await get($)
678  if (probed.top && (writes || probed.top !== t.top)) await refreshGit($)
679  if (writes) {
680    searchIndex = null
681    await staleSizes($)
682  }
683  const fresh = await get($)
684  const ignored = new Set(fresh.ignored)
685  const tones: Record<string, string> = {}
686  if (writes) {
687    const found = fresh.top
688      ? await changedInRepo($, t.root, since, before, fresh.ignored)
689      : { hits: since.os === 'win32' ? [] : await changedSince($, t.root, since, NO_REPO_DEPTH), gone: [] }
690    const hits = found.hits.filter(x => inside(t.root, x) && !underAny(x, ignored, t.root)).slice(0, FIND_LIMIT)
691    await revealPaths($, hits)
692    const loaded = await get($)
693    const dirs = [...new Set([loaded.root, ...openDirs(loaded), ...hits.map(dirname), ...found.gone.map(dirname)])].filter(d => inside(loaded.root, d))
694    const listed = await loadDirs($, dirs)
695    if (!fresh.top && since.os === 'win32')
696      for (const kids of listed.values()) for (const n of kids) if (n.mtime > since.ms && hits.length < FIND_LIMIT) hits.push(n.id)
697    await patch($, cur => {
698      const ids = new Set(cur.nodes.map(n => n.id))
699      return { expanded: cur.expanded.filter(id => ids.has(id)) }
700    })
701    const present = new Set((await get($)).nodes.map(n => n.id))
702    const touchTone = actions.find(a => !['commit', 'push', 'add'].includes(a.verb))?.tone ?? 'orange'
703    if (showWrites) for (const id of hits) if (present.has(id)) tones[id] = touchTone
704  }
705  if (showReads) {
706    const found: string[] = []
707    for (const r of reads) {
708      if (found.length >= READ_REVEAL_LIMIT) break
709      if (r !== t.root && inside(t.root, r) && !underAny(r, ignored, t.root) && (await exists($, r))) found.push(r)
710    }
711    if (found.length) {
712      await revealPaths($, found)
713      const shown = new Set((await get($)).nodes.map(n => n.id))
714      for (const r of found) if (shown.has(r) && !tones[r]) tones[r] = 'purple'
715    }
716  }
717  if (showWrites && actions.length) {
718    const final = await get($)
719    const committed = actions.some(a => a.verb === 'commit')
720    if ((committed || actions.some(a => a.verb === 'add')) && final.top) {
721      const paths = (await gitPaths($, final.root, final.prefix, committed)).filter(x => !underAny(x, ignored, final.root)).slice(0, READ_REVEAL_LIMIT)
722      await revealPaths($, paths)
723      const shown = new Set((await get($)).nodes.map(n => n.id))
724      for (const x of paths) if (shown.has(x)) tones[x] = 'green'
725    }
726    const pushLike = actions.find(a => ['push', 'pull', 'fetch', 'checkout', 'switch', 'branch', 'merge', 'rebase', 'tag'].includes(a.verb) || a.kind.startsWith('gh '))
727    if (pushLike) tones[BRANCH_ROW] = pushLike.tone
728    else if (committed) tones[BRANCH_ROW] = 'green'
729  }
730  await flash($, tones)
731}
732
733function scheduleScan($: EngineInterface, job: Job): void {
734  scanJobs.push(job)
735  if (scanning) return
736  scanning = (async () => {
737    while (scanJobs.length) {
738      const jobs = scanJobs
739      scanJobs = []
740      try {
741        await afterBash($, jobs)
742      } finally {
743        const marks = jobs.map(j => j.since.mark).filter(Boolean)
744        if (marks.length) await $.process.run(['rm', '-f', ...marks], { timeoutMs: 3_000 }).catch(() => undefined)
745      }
746    }
747  })().finally(() => {
748    scanning = null
749  })
750}
751
752async function touched($: EngineInterface, paths: string[], tone: string, show: boolean): Promise<void> {
753  if (await followCwd($)) return
754  const t = await get($)
755  if (!t.root) return
756  const within = paths.map(posix).filter(p => inside(t.root, p))
757  if (within.length === 0) return
758  if (tone !== 'purple') {
759    searchIndex = null
760    await staleSizes($, within)
761    await revealPaths($, within.map(dirname))
762    await loadDirs($, [...new Set(within.map(dirname))].filter(d => inside(t.root, d)))
763    await refreshGit($)
764  } else await revealPaths($, within)
765  if (!show) return
766  const tones: Record<string, string> = {}
767  for (const p of within) tones[p] = tone
768  await flash($, tones)
769}
770
771async function reveal($: EngineInterface, paths: string[]): Promise<void> {
772  if (await followCwd($)) return
773  await revealPaths($, paths)
774  await patch($, cur => {
775    const open = new Set(cur.expanded)
776    for (const p of paths) for (const a of ancestorsOf(p, cur.root)) open.add(a)
777    return { expanded: [...open], cursor: paths[paths.length - 1] ?? cur.cursor, scroll: null }
778  })
779}
780
781async function walk($: EngineInterface, root: string, depth: number, limit: number): Promise<string[]> {
782  const out: string[] = []
783  let level = [root]
784  for (let d = 0; d < depth && level.length && out.length < limit; d++) {
785    const next: string[] = []
786    for (const dir of level) {
787      for (const n of (await list($, dir)) ?? []) {
788        if (n.kind === 'dir') {
789          if (!PRUNE.includes(n.name)) next.push(n.id)
790        } else out.push(n.id)
791      }
792      if (out.length >= limit) break
793    }
794    level = next
795  }
796  return out
797}
798
799async function listAll($: EngineInterface, t: FileTree): Promise<string[] | null> {
800  try {
801    if (!t.top && (await osName($)) === 'win32') return await walk($, t.root, rootOfDisk(t.root) ? 3 : 6, 20_000)
802    const run = t.top
803      ? await git($, t.root, ['ls-files', '-co', '--exclude-standard', '-z'], 10_000)
804      : await $.process.run(['find', '-H', t.root, '-xdev', '-maxdepth', rootOfDisk(t.root) ? '3' : '6', ...pruneArgs(t.root), '-type', 'f', '-print0'], { timeoutMs: 10_000 })
805    if (t.top && run.exitCode !== 0) return null
806    const paths = run.stdout.split('\0').filter(Boolean)
807    if (run.isStdoutTruncated) paths.pop()
808    return paths.map(p => (isAbsolute(p) ? p : join(t.root, p)))
809  } catch {
810    return null
811  }
812}
813
814function indexPaths($: EngineInterface, t: FileTree): Promise<string[]> {
815  if (searchIndex?.root !== t.root) {
816    const index: { root: string; paths: Promise<string[]> } = {
817      root: t.root,
818      paths: listAll($, t).then(paths => {
819        if (paths === null && searchIndex === index) searchIndex = null
820        return paths ?? []
821      }),
822    }
823    searchIndex = index
824  }
825  return searchIndex.paths
826}
827
828async function search($: EngineInterface, query: string): Promise<string[]> {
829  if (!(await get($)).query.trim()) searchIndex = null
830  await patch($, () => ({ query }))
831  const q = query.trim().toLowerCase()
832  if (!q) return []
833  const t = await get($)
834  const hits = (await indexPaths($, t)).filter(p => relative(t.root, p).toLowerCase().includes(q)).slice(0, SEARCH_REVEAL_LIMIT)
835  if ((await get($)).query !== query) return []
836  await revealPaths($, hits)
837  const shown = await get($)
838  const ids = new Set(shown.nodes.map(n => n.id))
839  const stale = [...new Set(hits.filter(p => !ids.has(p)).map(dirname))].filter(d => inside(shown.root, d))
840  if (stale.length) await loadDirs($, stale)
841  return hits
842}
843
844async function jump($: EngineInterface, query: string): Promise<void> {
845  const hits = (await search($, query)).slice(0, 10)
846  await patch($, cur => {
847    const open = new Set(cur.expanded)
848    for (const p of hits) for (const a of ancestorsOf(p, cur.root)) open.add(a)
849    return { query: '', expanded: [...open], cursor: hits[0] ?? cur.cursor, scroll: null }
850  })
851}
852
853async function fontState($: EngineInterface, charset: string): Promise<'ok' | 'stale' | 'missing'> {
854  try {
855    const out = (await $.process.run(['sh', '-c', FONT_SCRIPT, 'sh', charset], { timeoutMs: 5_000 })).stdout.trim()
856    return out === 'stale' || out === 'missing' ? out : 'ok'
857  } catch {
858    return 'missing'
859  }
860}
861
862async function finePointerOk($: EngineInterface): Promise<boolean> {
863  if (!(await $.env.get('HERDR_ENV'))) return true
864  try {
865    const out = (await $.process.run([(await $.env.get('HERDR_BIN_PATH')) || 'herdr', '--version'], { timeoutMs: 3_000 })).stdout
866    const [major = 0, minor = 0, fix = 0] = (/(\d+)\.(\d+)\.(\d+)/.exec(out) ?? []).slice(1).map(Number)
867    return major * 1e6 + minor * 1e3 + fix >= 9_001
868  } catch {
869    return false
870  }
871}
872
873async function openFile($: EngineInterface, path: string): Promise<void> {
874  const { argv, init } = openCommand(await osName($), path)
875  try {
876    const run = await $.process.run(argv, init)
877    if (run.exitCode !== 0) $.ui.toast(`could not open ${path} with ${argv[0]}: ${run.stderr.trim().split('\n')[0] || `exit ${run.exitCode}`}`)
878  } catch {
879    $.ui.toast(`could not open ${path} with ${argv[0]}`)
880  }
881}
882
883async function toggle($: EngineInterface, n: FileNode): Promise<void> {
884  if (n.kind === 'dir' && !(await get($)).expanded.includes(n.id)) await loadDirs($, [n.id])
885  await patch($, t => {
886    const open = new Set(t.expanded)
887    if (n.kind === 'dir') open.has(n.id) ? open.delete(n.id) : open.add(n.id)
888    return { expanded: [...open], cursor: n.id, selected: n.kind === 'dir' ? t.selected : n.id }
889  })
890}
891
892async function press($: EngineInterface, n: FileNode): Promise<void> {
893  const now = await $.clock.now()
894  const isDouble = lastPress.key === n.id && now - lastPress.at < DOUBLE_MS
895  lastPress = { key: isDouble ? '' : n.id, at: now }
896  if (!isDouble) {
897    await toggle($, n)
898    return
899  }
900  await openNode($, n)
901}
902
903async function openNode($: EngineInterface, n: FileNode): Promise<void> {
904  if (n.kind === 'dir') {
905    follow = false
906    await reset($, n.id)
907  } else await openFile($, n.id)
908}
909
910async function loadTheme($: EngineInterface): Promise<void> {
911  const path = `${(await $.env.get('HOME')) ?? ''}/${THEME_FILE}`
912  try {
913    const stat = await $.fs.stat(path)
914    if (stat.kind !== 'file') throw new Error('no theme file')
915    if (stat.mtimeMs === themeMtime) return
916    await $.state.set(THEME, parseTheme(String(await $.fs.read(path))))
917    themeMtime = stat.mtimeMs
918  } catch {
919    if (themeMtime === 0) return
920    await $.state.set(THEME, DEFAULT_THEME)
921    themeMtime = 0
922  }
923}
924
925function shortPath(path: string): string {
926  return home && inside(home, path) ? `~${path.slice(home.length)}` : path
927}
928
929export const register: Register = (on, options) => {
930  glyphSetting = typeof options?.glyphs === 'string' ? options.glyphs : 'auto'
931  const activity = typeof options?.activity === 'string' ? options.activity : 'reads and writes'
932  showReads = activity.includes('reads')
933  showWrites = activity.includes('writes')
934  followClaude = options?.follow !== 'off'
935  // cockpit patch: do not dock a sidebar by itself. /filetree opens it; autoOpen 'on' restores upstream's behaviour.
936  noDock = options?.autoOpen !== 'on'
937  sizeDefault = options?.column === 'size'
938  on('session.start', async ($, e, next) => {
939    await $.command.register({ name: 'filetree', description: 'Show the file tree; args: [path] (no path = cwd)' })
940    const windows = (await $.env.get('OS')) === 'Windows_NT'
941    useDrives(windows)
942    home = posix(((await $.env.get('HOME')) || (await $.env.get('USERPROFILE')) || '').replace(/[\\/]+$/, ''))
943    activityId = Math.max(activityId, ...(await activities($)).map(a => a.id))
944    void (async () => {
945      pointer = await finePointerOk($)
946      try {
947        const remote = Boolean((await $.env.get('SSH_CONNECTION')) || (await $.env.get('SSH_TTY')))
948        noNerd = !remote && (windows || (await fontState($, 'f04eb')) !== 'ok')
949      } catch {
950        noNerd = true
951      }
952      await loadTheme($)
953      themePoll?.cancel()
954      themePoll = themeMtime ? $.clock.every(THEME_POLL_MS, () => void loadTheme($)) : null
955      const t = await get($)
956      if (t.flashOn) await patch($, () => ({ flash: [], flashDim: [], flashOn: false, flashTones: {} }))
957      await setActivities($, cur => cur.map(a => (a.state === 'running' ? { ...a, state: 'failed', label: `${a.kind} interrupted` } : a)))
958      const cwd = await cwdOf($)
959      if (!t.root || t.nodes.length === 0 || (follow && t.root !== cwd)) await reset($, cwd)
960      else if (!noDock) await $.ui.open({ id: PANE, title: `Files: ${t.root.split('/').pop() || t.root}` })
961    })()
962    return next(e)
963  })
964
965  on('command.run', { command: 'filetree' }, async ($, e) => {
966    if (!e.presentation.isFullscreen) return { text: 'filetree shows in the sidebar, which needs the fullscreen layout. Run /tui fullscreen, then /filetree.' }
967    if (e.presentation.columns < 110) return { text: 'filetree shows in the sidebar, which needs a terminal at least 110 columns wide. Widen it, then run /filetree.' }
968    noDock = false
969    const arg = (e.args ?? '').trim()
970    const cwd = await cwdOf($)
971    follow = !arg
972    const root = arg ? resolve(cwd, arg, home) : cwd
973    await reset($, root, true)
974    return { text: `File tree on ${shortPath(root)}${follow ? ' (follows the cwd)' : ''}.` }
975  })
976
977  on('tool.call', async ($, e, next) => {
978    if (e.tool !== 'Edit' && e.tool !== 'Write' && e.tool !== 'NotebookEdit' && e.tool !== 'Bash') return next(e)
979    const command = e.tool === 'Bash' ? e.command : ''
980    const cwd = e.tool === 'Bash' ? await cwdOf($) : ''
981    const actions = gitActions(command)
982    const quiet = !actions.length && readOnly(command)
983    const since = await sinceNow($, e.tool === 'Bash' && !quiet)
984    const before = actions.some(a => a.verb === 'commit') ? await get($) : null
985    const head = before?.top ? await headOf($, before.root) : ''
986    const pending: Pending | null = actions.length ? { actions, ids: await startGit($, actions), command, head } : null
987    let result: Awaited<ReturnType<typeof next>>
988    try {
989      result = await next(e)
990    } catch (err) {
991      if (pending) await finishGit($, pending, failAll(pending))
992      if (since.mark) void $.process.run(['rm', '-f', since.mark], { timeoutMs: 3_000 }).catch(() => undefined)
993      throw err
994    }
995    if (pending && result.deny) {
996      const ids = pending.ids
997      void setActivities($, cur => cur.filter(a => !ids.includes(a.id)))
998    }
999    if (result.deny || (result.isError && e.tool !== 'Bash')) {
1000      if (since.mark) void $.process.run(['rm', '-f', since.mark], { timeoutMs: 3_000 }).catch(() => undefined)
1001      return result
1002    }
1003    if (e.tool === 'Bash') {
1004      const out: Partial<BuiltinToolResults['Bash']> = !result.isError && result.result && typeof result.result === 'object' ? result.result : {}
1005      const reads = showReads ? readTargets(command, cwd, typeof out.stdout === 'string' ? out.stdout : '', home) : []
1006      const job: Job = { actions: [], since, initRepo: actions.some(a => a.init), readOnly: quiet || result.isReadOnly === true }
1007      if (out.backgroundTaskId) background.set(out.backgroundTaskId, { p: pending, job, reads })
1008      else void (async () => {
1009        const results = pending ? await outcomes($, pending, !result.isError, out.gitOperation) : []
1010        if (pending) await finishGit($, pending, results)
1011        queuedReads.push(...reads)
1012        scheduleScan($, { ...job, actions: proven(pending, results) })
1013      })()
1014      if (follow && /(^|[;&|\s])(cd|pushd|popd)(\s|$)/.test(command)) $.clock.after(400, () => void followCwd($))
1015    } else {
1016      const file =
1017        'file_path' in e && typeof e.file_path === 'string'
1018          ? e.file_path
1019          : 'notebook_path' in e && typeof e.notebook_path === 'string'
1020            ? e.notebook_path
1021            : ''
1022      if (file) void touched($, [file], 'orange', showWrites)
1023    }
1024    return result
1025  })
1026
1027  on('tool.call', { tool: 'Read' }, async ($, e, next) => {
1028    const result = await next(e)
1029    if (result.deny || result.isError || e.tool !== 'Read' || !showReads) return result
1030    void touched($, [posix(e.file_path)], 'purple', true)
1031    return result
1032  })
1033
1034  on('ui.message', async ($, e, next) => {
1035    if (e.requestId !== PANE || e.element !== 'rows' || !e.data || typeof e.data !== 'object') return next(e)
1036    const data = e.data as { press?: unknown; key?: unknown; ctrl?: unknown; shift?: unknown; scrollTo?: unknown; copy?: unknown }
1037    void sync($)
1038    const t = await get($)
1039    if (typeof data.copy === 'string') {
1040      await copyPath($, data.copy, Boolean(data.shift), e.surface)
1041      return {}
1042    }
1043    if (typeof data.scrollTo === 'number') {
1044      const to = Math.round(Math.max(0, Math.min(1, data.scrollTo)) * view.max)
1045      if (to !== t.scroll) await patch($, () => ({ scroll: to }))
1046      return {}
1047    }
1048    if (typeof data.press === 'string') {
1049      const n = t.nodes.find(x => x.id === data.press)
1050      if (!n) return {}
1051      if (t.scroll === null) await patch($, () => ({ scroll: view.from }))
1052      if (data.ctrl || data.shift) await openNode($, n)
1053      else await press($, n)
1054      return {}
1055    }
1056    if (typeof data.key !== 'string') return {}
1057    const rows = visibleRows(t)
1058    const at = rows.findIndex(r => r.node.id === t.cursor)
1059    const cur = rows[at]?.node
1060    const move = (d: number) => {
1061      const target = rows[Math.max(0, Math.min(rows.length - 1, (at < 0 ? 0 : at) + d))]
1062      return target ? patch($, () => ({ cursor: target.node.id, scroll: null })) : Promise.resolve()
1063    }
1064    if (data.key === 'up' || data.key === 'k') await move(-1)
1065    else if (data.key === 'down' || data.key === 'j') await move(1)
1066    else if (data.key === 'pageup') await move(-10)
1067    else if (data.key === 'pagedown') await move(10)
1068    else if (data.key === 'home') await move(-rows.length)
1069    else if (data.key === 'end') await move(rows.length)
1070    else if (cur && (data.key === 'y' || data.key === 'Y')) await copyPath($, cur.id, data.key === 'Y' || Boolean(data.shift), e.surface)
1071    else if (cur && (data.key === 'right' || data.key === 'l') && cur.kind === 'dir' && !t.expanded.includes(cur.id)) await toggle($, cur)
1072    else if (cur && (data.key === 'left' || data.key === 'h')) {
1073      if (cur.kind === 'dir' && t.expanded.includes(cur.id)) await toggle($, cur)
1074      else if (cur.parent !== t.root) await patch($, () => ({ cursor: cur.parent }))
1075    } else if (cur && data.key === 'return') await (cur.kind !== 'dir' ? openNode($, cur) : toggle($, cur))
1076    else if (cur && data.key === ' ') await toggle($, cur)
1077    return {}
1078  })
1079
1080  on('classic.SessionStart', async ($, e, next) => {
1081    const result = await next(e)
1082    if (e.source === 'clear' || e.source === 'resume' || e.source === 'fork') {
1083      void (async () => {
1084        await loadTheme($)
1085        const root = follow || !lastRoot ? await cwdOf($) : lastRoot
1086        const t = await get($)
1087        if (t.root !== root || t.nodes.length === 0) await reset($, root)
1088      })()
1089    }
1090    const gd = await gitDir($, posix(e.cwd))
1091    return gd ? { ...result, watchPaths: [...(result.watchPaths ?? []), join(gd, 'index'), join(gd, 'HEAD')] } : result
1092  })
1093
1094  on('classic.CwdChanged', async ($, e, next) => {
1095    const result = await next(e)
1096    void followCwd($)
1097    return result
1098  })
1099
1100  on('classic.FileChanged', async ($, e, next) => {
1101    const result = await next(e)
1102    if (/[\\/]\.git[\\/]|[\\/](index|HEAD)$/.test(e.file_path)) $.clock.after(300, () => void sync($, true))
1103    return result
1104  })
1105
1106  on('ui.focus', { component: 'Pane', requestId: PANE }, async ($, e, next) => {
1107    const result = await next(e)
1108    void sync($)
1109    return result
1110  })
1111
1112  on('ui.scroll', { component: 'Pane', requestId: PANE }, async ($, e) => {
1113    const t = await get($)
1114    const to = Math.max(0, Math.min(view.max, (t.scroll ?? view.from) + Math.sign(e.by) * Math.max(3, Math.abs(e.by))))
1115    if (to !== t.scroll) await patch($, () => ({ scroll: to }))
1116    return {}
1117  })
1118
1119  on('prompt.submit', async ($, e, next) => {
1120    void settleBackground($, e.text)
1121    if (!(await followCwd($))) void sync($)
1122    const t = await get($)
1123    const context = [...(e.context ?? [])]
1124    if (t.selected && (await exists($, t.selected))) context.push(`The user has this file selected in the file tree; "this" or "it" in the prompt likely refers to it: ${t.selected}`)
1125    const mentions = [...e.text.matchAll(/@([^\s"'`]+)/g)]
1126      .map(m => (m[1] ?? '').replace(/[.,;:!?)]+$/, ''))
1127      .filter(Boolean)
1128      .map(p => resolve(t.root, p, home))
1129      .filter(p => inside(t.root, p))
1130    if (mentions.length) {
1131      void (async () => {
1132        const found: string[] = []
1133        for (const p of mentions) {
1134          try {
1135            await $.fs.stat(p)
1136            found.push(p.replace(/\/$/, ''))
1137          } catch {
1138            continue
1139          }
1140        }
1141        if (found.length) await reveal($, found)
1142      })()
1143    }
1144    return next(context.length ? { ...e, context } : e)
1145  })
1146
1147  on('prompt.attachment', async ($, e, next) => {
1148    void settleBackground($, e.text)
1149    return next(e)
1150  })
1151
1152  on('ui.render', { component: 'Pane', requestId: PANE }, async ($, e, next) => {
1153    if (e.surface !== 'terminal' && e.surface !== 'desktop') return next(e)
1154    if (e.surface === 'terminal' && e.props.placement === 'inline') {
1155      noDock = true
1156      void $.ui.close({ id: PANE }).catch(() => undefined)
1157      const { Box: Empty } = $.ui.resolve(e)
1158      return <Empty />
1159    }
1160    const unicode = glyphSetting === 'plain' || (glyphSetting === 'auto' && (noNerd || e.surface === 'desktop'))
1161    const { Box, Text, Button, Input, Client } = $.ui.resolve(e)
1162    const t = await get($)
1163    const theme: Theme = (await $.state.get(THEME)).value ?? DEFAULT_THEME
1164    const now = await $.clock.now()
1165    const live = (await activities($)).filter(a => now - a.at < (a.state === 'running' ? RUNNING_MAX_MS : ACTIVITY_TTL_MS))
1166    const latest = [...live].reverse().find(a => a.state === 'running') ?? live[live.length - 1]
1167    const bright = new Set(t.flashOn ? t.flash : [])
1168    const dimmed = new Set(t.flashOn ? t.flashDim : [])
1169    const ignored = new Set(t.ignored)
1170    const untracked = new Set(t.untrackedDirs)
1171    const width = Math.max(24, e.props.bodyColumns)
1172    const rows = visibleRows(t)
1173    const fixed = 2 + (t.top ? (t.branch ? 1 : 0) : 1) + (t.selected || latest ? 1 : 0)
1174    const room = Math.max(5, (e.props.scroll?.bodyRows ?? 40) - fixed)
1175    const isLit = (id: string) => bright.has(id) || dimmed.has(id)
1176    const focus = followClaude && t.flashOn ? ([...t.flash].reverse().find(id => id !== BRANCH_ROW) ?? t.cursor) : t.cursor
1177    const at = Math.max(0, rows.findIndex(r => r.node.id === focus))
1178    const lit = followClaude && t.flashOn ? rows.findIndex(r => isLit(r.node.id)) : -1
1179    const cap = Math.max(1, Math.floor(room / 3))
1180    let from = Math.max(0, Math.min(lit >= 0 && at - lit < room - 2 ? Math.max(0, lit - 1) : at - Math.floor(room / 2), rows.length - room))
1181    let pinned = followClaude && t.flashOn ? rows.slice(0, from).filter(r => isLit(r.node.id)).slice(-cap) : []
1182    if (pinned.length) {
1183      const rest = Math.max(3, room - pinned.length)
1184      from = Math.max(0, Math.min(at - Math.floor(rest / 2), rows.length - rest))
1185      pinned = rows.slice(0, from).filter(r => isLit(r.node.id)).slice(-cap)
1186    }
1187    const max = Math.max(0, rows.length - room)
1188    if (t.scroll !== null) {
1189      from = Math.max(0, Math.min(t.scroll, max))
1190      pinned = []
1191    }
1192    view = { from, max }
1193    const shown = rows.slice(from, from + room - pinned.length)
1194    if (t.showSize) wantSizes($, [...pinned, ...shown].filter(r => r.node.kind === 'dir' && !(r.node.id in t.dirSizes)).map(r => r.node.id))
1195    const totals: [number, number] = t.top ? (t.diff[t.root] ?? [0, 0]) : [0, 0]
1196    const countSegs = (c: [number, number, number] | undefined): Seg[] => {
1197      if (!c) return []
1198      const out: Seg[] = []
1199      if (c[0] > 0) out.push({ t: ` ?:${c[0]}`, c: GIT_COLOR['?'] ?? ADD_COLOR })
1200      if (c[1] > 0) out.push({ t: ` M:${c[1]}`, c: GIT_COLOR.M ?? '#e5c07b' })

1export const LINUX_LAUNCH = 'setsid -f -w "$@" </dev/null >/dev/null 2>&1 & p=$!; sleep 1; kill -0 "$p" 2>/dev/null && exit 0; wait "$p"'
2
3export const LINUX_OPEN = [
4  'set -f',
5  'f=$1',
6  'if command -v gio >/dev/null; then',
7  '  if [ -f "$f" ] && command -v file >/dev/null && encoding=$(file -b --mime-encoding -- "$f") && [ -n "$encoding" ] && [ "$encoding" != binary ]; then',
8  '    case $(gio info -a standard::content-type -- "$f" | sed -n \'s/.*standard::content-type: //p\') in',
9  '      video/* | audio/*)',
10  '        app=$(xdg-mime query default text/plain)',
11  '        IFS=:',
12  '        for dir in "${XDG_DATA_HOME:-$HOME/.local/share}" ${XDG_DATA_DIRS:-/usr/local/share:/usr/share}; do',
13  '          [ -n "$app" ] && [ -f "$dir/applications/$app" ] && exec gio launch "$dir/applications/$app" "$f"',
14  '        done',
15  '        echo "No text/plain desktop application found for $f" >&2',
16  '        exit 1',
17  '        ;;',
18  '    esac',
19  '  fi',
20  '  if (exec gio open "$f"); then exit 0; fi',
21  'fi',
22  'exec xdg-open "$f"',
23].join('\n')
24
25const WIN_OPEN = "$ErrorActionPreference = 'Stop'; [Diagnostics.Process]::Start([Diagnostics.ProcessStartInfo]@{ FileName = $env:PANE_OPEN_TARGET; UseShellExecute = $true }) | Out-Null"
26
27export function openCommand(os: 'linux' | 'darwin' | 'win32', target: string) {
28  const argv = os === 'linux'
29    ? ['sh', '-c', LINUX_LAUNCH, 'sh', 'sh', '-c', LINUX_OPEN, 'sh', target]
30    : os === 'darwin'
31      ? ['open', '--', target]
32      : ['powershell', '-NoProfile', '-NonInteractive', '-Command', WIN_OPEN]
33  return {
34    argv,
35    init: {
36      timeoutMs: 10_000,
37      ...(os === 'win32' ? { env: { PANE_OPEN_TARGET: /^[a-z][a-z0-9+.-]*:\/\//i.test(target) ? target : target.replace(/\//g, '\\') } } : {}),
38    },
39  }
40}
41

1import { drivesOn, isAbsolute, posix } from './tree'
2
3export type GitAction = {
4  kind: string
5  verb: string
6  running: string
7  done: string
8  tone: string
9  icon: { nerd: string; plain: string }
10  init?: boolean
11}
12
13const ICON = {
14  commit: { nerd: '\u{f417}', plain: '●' },
15  push: { nerd: '\u{f0552}', plain: '↑' },
16  pull: { nerd: '\u{f0553}', plain: '↓' },
17  branch: { nerd: '\u{f418}', plain: '⑂' },
18  merge: { nerd: '\u{f419}', plain: '⑃' },
19  pr: { nerd: '\u{f407}', plain: '⇄' },
20  github: { nerd: '\u{f408}', plain: '◎' },
21  stash: { nerd: '\u{f01bc}', plain: '≡' },
22  undo: { nerd: '\u{f054c}', plain: '↶' },
23  tag: { nerd: '\u{f412}', plain: '⌖' },
24  git: { nerd: '\u{e702}', plain: '±' },
25}
26
27export const TONES: Record<string, { bright: string[]; dim: string[]; solid: string }> = {
28  orange: { bright: ['#f97316', '#fb923c', '#fdba74', '#ffedd5'], dim: ['#8a4316', '#a3562a', '#bd7444', '#d29267'], solid: '#f97316' },
29  green: { bright: ['#22c55e', '#4ade80', '#86efac', '#dcfce7'], dim: ['#14532d', '#166534', '#2f7a47', '#4f9a66'], solid: '#4ade80' },
30  teal: { bright: ['#14b8a6', '#2dd4bf', '#5eead4', '#ccfbf1'], dim: ['#0f5e57', '#16786f', '#2a9488', '#4fb3a8'], solid: '#2dd4bf' },
31  blue: { bright: ['#3b82f6', '#60a5fa', '#93c5fd', '#dbeafe'], dim: ['#1e3a8a', '#1d4ed8', '#3b6fd1', '#6b93dc'], solid: '#60a5fa' },
32  purple: { bright: ['#a855f7', '#c084fc', '#d8b4fe', '#f3e8ff'], dim: ['#581c87', '#6b21a8', '#8b47c4', '#a874d6'], solid: '#c084fc' },
33  cyan: { bright: ['#06b6d4', '#22d3ee', '#67e8f9', '#cffafe'], dim: ['#155e75', '#0e7490', '#2b8ea3', '#5aa9b8'], solid: '#22d3ee' },
34  red: { bright: ['#ef4444', '#f87171', '#fca5a5', '#fee2e2'], dim: ['#7f1d1d', '#991b1b', '#b54040', '#c96a6a'], solid: '#f87171' },
35}
36
37const GIT_VERBS: Record<string, Omit<GitAction, 'kind'>> = {
38  commit: { verb: 'commit', running: 'committing', done: 'committed', tone: 'green', icon: ICON.commit },
39  push: { verb: 'push', running: 'pushing', done: 'pushed', tone: 'teal', icon: ICON.push },
40  pull: { verb: 'pull', running: 'pulling', done: 'pulled', tone: 'blue', icon: ICON.pull },
41  fetch: { verb: 'fetch', running: 'fetching', done: 'fetched', tone: 'blue', icon: ICON.pull },
42  checkout: { verb: 'checkout', running: 'checking out', done: 'checked out', tone: 'blue', icon: ICON.branch },
43  switch: { verb: 'switch', running: 'switching', done: 'switched', tone: 'blue', icon: ICON.branch },
44  branch: { verb: 'branch', running: 'branching', done: 'branched', tone: 'blue', icon: ICON.branch },
45  merge: { verb: 'merge', running: 'merging', done: 'merged', tone: 'purple', icon: ICON.merge },
46  rebase: { verb: 'rebase', running: 'rebasing', done: 'rebased', tone: 'purple', icon: ICON.merge },
47  'cherry-pick': { verb: 'cherry-pick', running: 'cherry-picking', done: 'cherry-picked', tone: 'purple', icon: ICON.merge },
48  stash: { verb: 'stash', running: 'stashing', done: 'stashed', tone: 'orange', icon: ICON.stash },
49  reset: { verb: 'reset', running: 'resetting', done: 'reset', tone: 'red', icon: ICON.undo },
50  restore: { verb: 'restore', running: 'restoring', done: 'restored', tone: 'red', icon: ICON.undo },
51  revert: { verb: 'revert', running: 'reverting', done: 'reverted', tone: 'red', icon: ICON.undo },
52  add: { verb: 'add', running: 'staging', done: 'staged', tone: 'green', icon: ICON.git },
53  rm: { verb: 'rm', running: 'removing', done: 'removed', tone: 'red', icon: ICON.git },
54  mv: { verb: 'mv', running: 'moving', done: 'moved', tone: 'orange', icon: ICON.git },
55  tag: { verb: 'tag', running: 'tagging', done: 'tagged', tone: 'purple', icon: ICON.tag },
56  init: { verb: 'init', running: 'initialising', done: 'initialised', tone: 'green', icon: ICON.git, init: true },
57  clone: { verb: 'clone', running: 'cloning', done: 'cloned', tone: 'blue', icon: ICON.pull, init: true },
58}
59
60const GH_VERBS: Record<string, Omit<GitAction, 'kind'>> = {
61  'pr create': { verb: 'pr create', running: 'opening PR', done: 'opened PR', tone: 'purple', icon: ICON.pr },
62  'pr merge': { verb: 'pr merge', running: 'merging PR', done: 'merged PR', tone: 'purple', icon: ICON.merge },
63  'pr checkout': { verb: 'pr checkout', running: 'checking out PR', done: 'checked out PR', tone: 'blue', icon: ICON.pr },
64  'pr comment': { verb: 'pr comment', running: 'commenting on PR', done: 'commented on PR', tone: 'purple', icon: ICON.pr },
65  'pr review': { verb: 'pr review', running: 'reviewing PR', done: 'reviewed PR', tone: 'purple', icon: ICON.pr },
66  'repo clone': { verb: 'repo clone', running: 'cloning', done: 'cloned', tone: 'blue', icon: ICON.github, init: true },
67  'release create': { verb: 'release create', running: 'releasing', done: 'released', tone: 'purple', icon: ICON.tag },
68  'issue create': { verb: 'issue create', running: 'opening issue', done: 'opened issue', tone: 'purple', icon: ICON.github },
69}
70
71const READ_ONLY_GIT = new Set(['status', 'log', 'diff', 'show', 'blame', 'rev-parse', 'ls-files', 'grep', 'describe', 'config', 'remote', 'reflog', 'shortlog', 'help', 'version', 'check-ignore'])
72
73function segments(command: string, seps: string[] = []): string[][] {
74  const out: string[][] = []
75  let cur: string[] = []
76  let tok = ''
77  let quote = ''
78  let has = false
79  const endTok = () => {
80    if (has) cur.push(tok)
81    tok = ''
82    has = false
83  }
84  const endSeg = () => {
85    endTok()
86    if (cur.length) out.push(cur)
87    cur = []
88  }
89  for (let i = 0; i < command.length; i++) {
90    const ch = command[i] ?? ''
91    if (quote) {
92      if (ch === quote) quote = ''
93      else if (ch === '\\' && quote === '"' && i + 1 < command.length) tok += command[++i]
94      else tok += ch
95    } else if (ch === '"' || ch === "'") {
96      quote = ch
97      has = true
98    } else if (ch === '\\' && i + 1 < command.length) {
99      tok += command[++i]
100      has = true
101    } else if (ch === '#' && !has) {
102      while (i + 1 < command.length && command[i + 1] !== '\n') i++
103    } else if (ch === ' ' || ch === '\t') endTok()
104    else if (ch === '\n' || ch === ';') {
105      seps.push(';')
106      endSeg()
107    } else if (ch === '&' && (command[i - 1] === '>' || command[i + 1] === '>')) {
108      tok += ch
109      has = true
110    } else if (ch === '&' || ch === '|') {
111      const twice = command[i + 1] === ch
112      if (twice) i++
113      seps.push(twice ? ch + ch : ch)
114      endSeg()
115    } else {
116      tok += ch
117      has = true
118    }
119  }
120  endSeg()
121  if (!quote) return out
122  seps.push(';')
123  return command
124    .split(/&&|\|\||;|\||\n/)
125    .map(s => s.trim().split(/\s+/).filter(Boolean))
126    .filter(s => s.length > 0)
127}
128
129function stripGlobals(tokens: string[]): string[] {
130  const out = [...tokens]
131  if (out[0] === 'env') out.shift()
132  while (out.length && /^[A-Z_][A-Z0-9_]*=/.test(out[0] ?? '')) out.shift()
133  return out
134}
135
136function gitVerb(tokens: string[]): number {
137  let i = 1
138  while (i < tokens.length && (tokens[i] ?? '').startsWith('-')) {
139    if (tokens[i] === '-C' || tokens[i] === '-c') i++
140    i++
141  }
142  return i
143}
144
145function gitReadOnly(verb: string, rest: string[]): boolean {
146  if (!verb || READ_ONLY_GIT.has(verb)) return true
147  if (verb === 'stash') return ['list', 'show'].includes(rest[0] ?? '')
148  if (verb === 'branch') return rest.every(t => t.startsWith('-'))
149  if (verb === 'tag') return rest.length === 0 || rest.some(t => /^(-l|--list|-n\d*|--contains|--points-at|--merged|--no-merged|-v|--verify)$/.test(t))
150  return false
151}
152
153export function chainOf(command: string): { size: number; and: boolean } {
154  const seps: string[] = []
155  const size = segments(command, seps).length
156  return { size, and: seps.every(s => s === '&&') }
157}
158
159export function gitActions(command: string): GitAction[] {
160  const out: GitAction[] = []
161  for (const raw of segments(command)) {
162    const tokens = stripGlobals(raw)
163    const head = tokens[0]?.split('/').pop()
164    if (head === 'git') {
165      const i = gitVerb(tokens)
166      const verb = tokens[i] ?? ''
167      const rest = tokens.slice(i + 1)
168      if (gitReadOnly(verb, rest)) continue
169      const spec = verb === 'checkout' && rest.includes('--') ? GIT_VERBS.restore : GIT_VERBS[verb]
170      if (spec) out.push({ kind: `git ${verb}`, ...spec })
171    } else if (head === 'gh') {
172      const pair = `${tokens[1] ?? ''} ${tokens[2] ?? ''}`
173      const spec = GH_VERBS[pair]
174      if (spec) out.push({ kind: `gh ${pair}`, ...spec })
175    }
176  }
177  return out
178}
179
180export const BRANCH_ICON = ICON.branch
181
182const READERS = new Set(['rg', 'grep', 'egrep', 'fgrep', 'find', 'fd', 'fdfind', 'cat', 'head', 'tail', 'bat', 'less', 'more', 'ls', 'eza', 'tree', 'wc', 'sed', 'awk', 'jq'])
183const PATTERN_FIRST = new Set(['rg', 'grep', 'egrep', 'fgrep', 'sed', 'awk', 'jq'])
184const OUTPUT_PATHS = new Set(['rg', 'grep', 'egrep', 'fgrep', 'find', 'fd', 'fdfind'])
185
186function tidy(path: string): string {
187  const s = path.replace(/\/+$/, '')
188  return s === '' ? '/' : /^[A-Za-z]:$/.test(s) && isAbsolute(`${s}/`) ? `${s}/` : s
189}
190
191export function resolve(cwd: string, p: string, home = ''): string {
192  let path = posix(p)
193  if (home && (path === '~' || path.startsWith('~/'))) path = home + path.slice(1)
194  const drive = isAbsolute(path) && !path.startsWith('/') ? path.slice(0, 2) : ''
195  const parts = isAbsolute(path) ? [drive] : posix(cwd).replace(/\/+$/, '').split('/')
196  for (const seg of path.slice(drive.length).split('/')) {
197    if (!seg || seg === '.') continue
198    if (seg === '..') {
199      if (parts.length > 1) parts.pop()
200    } else parts.push(seg)
201  }
202  return tidy(parts.join('/'))
203}
204
205const WRITE_FLAGS = /^-(delete|exec|execdir|ok|okdir|fprint\w*|fls|x|X|-exec|-exec-batch)$/
206
207export function readOnly(command: string): boolean {
208  const bare = ` ${command}`.replace(/\d*>&\d/g, ' ').replace(/(\d*|&)>>?\s*\/dev\/null/g, ' ')
209  if (/[^>]>[^>&]|>>/.test(bare)) return false
210  return segments(command).every(raw => {
211    const tokens = stripGlobals(raw)
212    const head = tokens[0]?.split('/').pop() ?? ''
213    if (head === 'cd' || head === 'echo' || head === 'printf' || head === 'true' || head === 'pwd') return true
214    if (head === 'git') {
215      const i = gitVerb(tokens)
216      return gitReadOnly(tokens[i] ?? '', tokens.slice(i + 1))
217    }
218    if (head === 'sed') return !tokens.some(t => /^-i/.test(t))
219    if (head === 'find' || head === 'fd' || head === 'fdfind') return !tokens.some(t => WRITE_FLAGS.test(t))
220    return READERS.has(head)
221  })
222}
223
224export function readTargets(command: string, sessionCwd: string, stdout: string, home = ''): string[] {
225  let cwd = sessionCwd
226  const out = new Set<string>()
227  let listsPaths = false
228  for (const raw of segments(command)) {
229    const tokens = stripGlobals(raw).map(t => posix(t.replace(/^["']|["']$/g, '')))
230    const head = tokens[0]?.split('/').pop() ?? ''
231    if (head === 'cd' && tokens[1]) {
232      cwd = resolve(cwd, tokens[1], home)
233      continue
234    }
235    if (!READERS.has(head)) continue
236    if (head === 'sed' && tokens.some(t => /^-i/.test(t))) continue
237    if (OUTPUT_PATHS.has(head)) listsPaths = true
238    const args = tokens.slice(1)
239    let skipPattern = PATTERN_FIRST.has(head) && !args.some(t => t === '-e' || t === '-f' || t === '--files')
240    for (let i = 0; i < args.length; i++) {
241      const a = args[i] ?? ''
242      if (a.startsWith('-')) {
243        if (/^-(e|f|g|t|T|m|A|B|C|-glob|-type|-max-count|name|iname|maxdepth|mindepth)$/.test(a)) i++
244        continue
245      }
246      if (skipPattern) {
247        skipPattern = false
248        continue
249      }
250      if (/[*?<>|]/.test(a)) continue
251      out.add(resolve(cwd, a, home))
252    }
253  }
254  if (listsPaths) {
255    for (const line of stdout.split('\n').slice(0, 400)) {
256      const path = posix(line).match(drivesOn() ? /^((?:[A-Za-z]:)?[^:\0]+?)(?::\d+[:-]|$|:)/ : /^([^:\0]+?)(?::\d+[:-]|$|:)/)?.[1]?.trim()
257      if (path && !path.includes(' ')) out.add(resolve(cwd, path, home))
258    }
259  }
260  return [...out].slice(0, 60)
261}
262

1import type { ClientModule } from 'claude-code'
2
3export type Seg = { t: string; c?: string; b?: boolean; s?: boolean; i?: boolean; sh?: string; dim?: boolean; one?: boolean; spin?: boolean; bg?: string; tab?: string }
4export type RowSpec = { id: string; left: Seg[]; right: Seg[] }
5export type RowsProps = {
6  rows: RowSpec[]
7  active: string
8  activeBg: string
9  hoverBg: string
10  tones: Record<string, { bright: string[]; dim: string[] }>
11  spinner?: string[]
12  pointer?: boolean
13  bar?: { pos: number; size: number; thumb: string; track: string }
14}
15type Local = { hover: number; phase: number; drag: boolean; ref: { stop?: () => void; unpoint?: () => void } }
16
17const TICK_MS = 90
18const FRAMES = ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏']
19
20function shimmer(i: number, phase: number, len: number, palette: string[]): string {
21  const band = ((phase * 1.6) % (len + 8)) - 4
22  const d = Math.abs(i - band)
23  return palette[d < 0.8 ? 3 : d < 1.8 ? 2 : d < 2.8 ? 1 : 0] ?? palette[0] ?? '#f97316'
24}
25
26const Rows: ClientModule<RowsProps, Local> = (props, surface) => {
27  const { Box, Text } = surface.elements
28  let state = surface.state
29  if (state === undefined) {
30    state = { hover: -1, phase: 0, drag: false, ref: {} }
31    surface.setState(state)
32  }
33  const lit = props.rows.some(r => r.left.some(s => s.sh || s.spin) || r.right.some(s => s.sh || s.spin))
34  if (lit && !state.ref.stop) {
35    state.ref.stop = surface.every(TICK_MS, () => {
36      const cur = surface.state
37      if (cur) surface.setState({ ...cur, phase: cur.phase + 1 })
38    })
39  } else if (!lit && state.ref.stop) {
40    state.ref.stop()
41    state.ref.stop = undefined
42  }
43  if (props.pointer === false) {
44    state.ref.unpoint?.()
45    state.ref.unpoint = undefined
46  } else state.ref.unpoint = surface.onPointer(e => {
47    const cur = surface.state ?? state
48    const span = Math.max(1, props.rows.length - 1)
49    const onBar = Boolean(props.bar) && e.x >= surface.columns - 1
50    if (props.bar && (cur.drag || (onBar && e.type === 'down' && (e.button ?? 'left') === 'left'))) {
51      if (e.type === 'up' || e.type === 'leave') {
52        surface.setState({ ...cur, drag: false })
53        return
54      }
55      if (e.type === 'down' || e.type === 'move') {
56        if (!cur.drag) surface.setState({ ...cur, drag: true, hover: -1 })
57        surface.post({ scrollTo: Math.max(0, Math.min(1, e.y / span)) })
58        return
59      }
60    }
61    if (e.type === 'leave' || e.y < 0 || e.y >= props.rows.length) {
62      if (cur.hover !== -1) surface.setState({ ...cur, hover: -1 })
63      return
64    }
65    if (e.type === 'move' && !e.button && cur.hover !== e.y) surface.setState({ ...cur, hover: e.y })
66    const row = props.rows[e.y]
67    if (e.type === 'down' && e.button === 'right' && row?.id) {
68      surface.post({ copy: row.id, shift: Boolean(e.shift) })
69      return
70    }
71    if (e.type !== 'down' || (e.button ?? 'left') !== 'left' || !row) return
72    let x = 0
73    for (const seg of row.left) {
74      const w = [...seg.t].length
75      if (seg.tab && e.x >= x && e.x < x + w) {
76        surface.post({ tab: seg.tab })
77        return
78      }
79      x += w
80    }
81    if (row.id) surface.post({ press: row.id, ctrl: Boolean(e.ctrl), shift: Boolean(e.shift) })
82  })
83  surface.onKey(e => surface.post({ key: e.key, ctrl: Boolean(e.ctrl), shift: Boolean(e.shift) }))
84  const frames = props.spinner?.length ? props.spinner : FRAMES
85  const draw = (s: Seg) => {
86    if (s.spin) {
87      return (
88        <Text color={s.c} bold={s.b}>
89          {s.t + (frames[state.phase % frames.length] ?? '')}
90        </Text>
91      )
92    }
93    const palette = s.sh ? (s.dim ? props.tones[s.sh]?.dim : props.tones[s.sh]?.bright) : undefined
94    if (!palette) {
95      return (
96        <Text color={s.c} backgroundColor={s.bg} bold={s.b} strikethrough={s.s} italic={s.i}>
97          {s.t}
98        </Text>
99      )
100    }
101    if (s.one) {
102      return (
103        <Text color={shimmer(-1, state.phase, s.t.length, palette)}>
104          {s.t}
105        </Text>
106      )
107    }
108    const chars = [...s.t]
109    return (
110      <Text bold={s.b}>
111        {chars.map((ch, i) => (
112          <Text color={shimmer(i, state.phase, chars.length, palette)}>{ch}</Text>
113        ))}
114      </Text>
115    )
116  }
117  return (
118    <Box flexDirection="column">
119      {props.rows.map((r, i) => (
120        <Box
121          flexDirection="row"
122          height={1}
123          overflow="hidden"
124          backgroundColor={r.id && r.id === props.active ? props.activeBg : r.id && i === state.hover ? props.hoverBg : undefined}
125        >
126          <Box flexShrink={1} overflow="hidden">
127            {r.left.map(draw)}
128          </Box>
129          <Box flexGrow={1} />
130          {r.right.map(draw)}
131          {props.bar && (
132            <Text color={i >= props.bar.pos && i < props.bar.pos + props.bar.size ? props.bar.thumb : props.bar.track}>
133              {i >= props.bar.pos && i < props.bar.pos + props.bar.size ? '┃' : '│'}
134            </Text>
135          )}
136        </Box>
137      ))}
138    </Box>
139  )
140}
141
142export default Rows
143

1import type { FileNode } from '../types'
2
3const cp = (n: number) => String.fromCodePoint(n)
4
5export const CHEVRON_OPEN = cp(0xf47c)
6export const CHEVRON_CLOSED = cp(0xf460)
7
8const NAMES: Record<string, number> = {
9  'agents.md': 0xf0354,
10  'changelog.md': 0xf0354,
11  'contributing.md': 0xf0354,
12  'todo.md': 0xf0354,
13  'readme.md': 0xf0354,
14  license: 0xe60a,
15  dockerfile: 0xf0868,
16  makefile: 0xf1064,
17  'cmakelists.txt': 0xf1064,
18  justfile: 0xf05b7,
19  gemfile: 0xf0d2d,
20  rakefile: 0xf0d2d,
21  'cargo.toml': 0xe6b2,
22  'cargo.lock': 0xe6b2,
23  'pyproject.toml': 0xe6b2,
24  'requirements.txt': 0xf160e,
25  'go.mod': 0xf0afa,
26  'go.sum': 0xf07d3,
27  'package.json': 0xf0626,
28  'package-lock.json': 0xf0626,
29  'tsconfig.json': 0xf0626,
30  '.prettierrc': 0xf0626,
31  '.eslintrc': 0xf0626,
32  'pnpm-lock.yaml': 0xe6a8,
33  'yarn.lock': 0xe6a8,
34  '.gitignore': 0xf02a2,
35  '.gitmodules': 0xf0493,
36  '.editorconfig': 0xe652,
37}
38
39const EXTS: Record<string, number> = {
40  lua: 0xe620,
41  py: 0xe606,
42  pyi: 0xe606,
43  js: 0xe60c,
44  mjs: 0xe60c,
45  cjs: 0xe60c,
46  ts: 0xe628,
47  jsx: 0xe625,
48  tsx: 0xe7ba,
49  json: 0xe60b,
50  jsonc: 0xe60b,
51  yaml: 0xe6a8,
52  yml: 0xe6a8,
53  sh: 0xe795,
54  bash: 0xe795,
55  zsh: 0xe795,
56  fish: 0xe795,
57  md: 0xf0354,
58  markdown: 0xf0354,
59  css: 0xe6b8,
60  scss: 0xf031c,
61  html: 0xe736,
62  htm: 0xe736,
63  go: 0xe627,
64  rs: 0xe68b,
65  rb: 0xe791,
66  php: 0xe608,
67  java: 0xe738,
68  cs: 0xf031b,
69  sql: 0xe706,
70  graphql: 0xf20e,
71  gql: 0xf20e,
72  xml: 0xf05c0,
73  toml: 0xe6b2,
74  ini: 0xf0bc2,
75  conf: 0xf0493,
76  pdf: 0xeaeb,
77  svg: 0xf0721,
78  jpg: 0xf0225,
79  jpeg: 0xf0225,
80  png: 0xe60d,
81  gif: 0xf0d78,
82  webp: 0xf021f,
83  mp4: 0xf022b,
84  mkv: 0xf022b,
85  mov: 0xf022b,
86  mp3: 0xf0223,
87  wav: 0xf0223,
88  flac: 0xf0223,
89  zip: 0xf05c4,
90  gz: 0xf05c4,
91  xz: 0xf05c4,
92  tar: 0xf05c4,
93  qml: 0xf375,
94  cpp: 0xe61d,
95  cc: 0xe61d,
96  cxx: 0xe61d,
97  c: 0xe61e,
98  h: 0xf0af5,
99  hpp: 0xf0af5,
100  vue: 0xe6a0,
101  svelte: 0xe697,
102  csv: 0xe64a,
103  txt: 0xf09aa,
104}
105
106export function fileIcon(n: FileNode, open: boolean, isRepo: boolean): string {
107  if (n.kind === 'link') return cp(0xf481)
108  if (n.kind === 'dir') return cp(isRepo ? 0xf02a2 : open ? 0xe5fe : 0xe5ff)
109  const lower = n.name.toLowerCase()
110  const named = NAMES[lower]
111  if (named) return cp(named)
112  const dot = lower.lastIndexOf('.')
113  const ext = dot >= 0 ? lower.slice(dot + 1) : ''
114  return cp(EXTS[ext] ?? 0xf0214)
115}
116
117export const GIT_COLOR: Record<string, string> = {
118  A: '#98c379',
119  '?': '#98c379',
120  R: '#61afef',
121  C: '#61afef',
122  M: '#e5c07b',
123  T: '#e5c07b',
124}
125
126const PRIORITY = ['U', 'D', 'M', 'T', 'R', 'C', 'A', '?']
127
128export function stronger(a: string | undefined, b: string): string {
129  if (!a) return b
130  return PRIORITY.indexOf(b) < PRIORITY.indexOf(a) ? b : a
131}
132

1import type { Branch, FileNode, FileTree, Theme } from '../types'
2import { stronger } from './icons'
3
4export type Entry = { name: string; kind: 'file' | 'dir' | 'other'; mtimeMs: number; size: number; isLink: boolean }
5export type Row = { node: FileNode; depth: number; open: boolean }
6
7const collator = new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' })
8
9export const DEFAULT_THEME: Theme = {
10  fg: '',
11  accent: '#5b9bd5',
12  muted: '#808a96',
13  urgent: '#d0605e',
14  selection: '#6b7280',
15  bg: '',
16}
17
18export function emptyTree(root: string): FileTree {
19  return {
20    root,
21    nodes: [],
22    expanded: [],
23    cursor: '',
24    selected: '',
25    query: '',
26    showHidden: true,
27    showSize: false,
28    dirSizes: {},
29    git: {},
30    diff: {},
31    ignored: [],
32    untrackedDirs: [],
33    top: '',
34    prefix: '',
35    branch: null,
36    counts: {},
37    flash: [],
38    flashDim: [],
39    flashOn: false,
40    flashTones: {},
41    scroll: null,
42  }
43}
44
45export function parseTheme(toml: string): Theme {
46  const get = (k: string) => toml.match(new RegExp(`^${k}\\s*=\\s*"(#[0-9a-fA-F]{6})"`, 'm'))?.[1]
47  return {
48    fg: get('foreground') ?? get('color7') ?? DEFAULT_THEME.fg,
49    accent: get('accent') ?? get('color4') ?? DEFAULT_THEME.accent,
50    muted: get('muted') ?? get('color8') ?? DEFAULT_THEME.muted,
51    urgent: get('red') ?? get('color1') ?? DEFAULT_THEME.urgent,
52    selection: get('selection') ?? DEFAULT_THEME.selection,
53    bg: get('dark_background') ?? get('background') ?? DEFAULT_THEME.bg,
54  }
55}
56
57export function join(dir: string, name: string): string {
58  return dir.endsWith('/') ? dir + name : `${dir}/${name}`
59}
60
61let drives = false
62
63export function dirname(path: string): string {
64  if (drives && /^[A-Za-z]:\/[^/]*$/.test(path)) return path.slice(0, 3)
65  const i = path.lastIndexOf('/')
66  return i <= 0 ? '/' : path.slice(0, i)
67}
68
69export function useDrives(on: boolean): void {
70  drives = on
71}
72
73export function drivesOn(): boolean {
74  return drives
75}
76
77export function posix(path: string): string {
78  if (!drives) return path
79  return path.replace(/\\/g, '/').replace(/^\/([A-Za-z])(\/|$)/, (_, d: string) => `${d.toUpperCase()}:/`)
80}
81
82export function dropBelow(nodes: FileNode[], dirs: string[]): FileNode[] {
83  if (dirs.length === 0) return nodes
84  const under = (id: string) => dirs.some(d => id !== d && inside(d, id))
85  const gone = new Set(dirs)
86  return nodes.filter(n => !under(n.id)).map(n => (gone.has(n.id) && n.loaded ? { ...n, loaded: false } : n))
87}
88
89export function isAbsolute(path: string): boolean {
90  return path.startsWith('/') || (drives && /^[A-Za-z]:\//.test(path))
91}
92
93export function inside(root: string, path: string): boolean {
94  return path === root || path.startsWith(root.endsWith('/') ? root : `${root}/`)
95}
96
97export function toNodes(dir: string, list: Entry[]): FileNode[] {
98  return list
99    .map(e => ({
100      id: join(dir, e.name),
101      parent: dir,
102      name: e.name,
103      kind: e.isLink ? ('link' as const) : e.kind === 'dir' ? ('dir' as const) : ('file' as const),
104      hidden: e.name.startsWith('.'),
105      mtime: e.mtimeMs,
106      size: e.size,
107      loaded: false,
108    }))
109    .sort((a, b) => (a.kind === 'dir' ? 0 : 1) - (b.kind === 'dir' ? 0 : 1) || collator.compare(a.name, b.name))
110}
111
112export function replaceChildren(nodes: FileNode[], listed: Map<string, FileNode[]>): FileNode[] {
113  if (listed.size === 0) return nodes
114  const keep = new Map<string, FileNode>()
115  for (const n of nodes) if (listed.has(n.parent)) keep.set(n.id, n)
116  const freshIds = new Set<string>()
117  for (const kids of listed.values()) for (const k of kids) freshIds.add(k.id)
118  const gone = new Set([...keep.keys()].filter(id => !freshIds.has(id)))
119  const under = (id: string) => {
120    if (gone.size === 0) return false
121    for (let dir = dirname(id), prev = id; dir !== prev; prev = dir, dir = dirname(dir)) if (gone.has(dir)) return true
122    return false
123  }
124  const fresh: FileNode[] = []
125  for (const kids of listed.values()) {
126    for (const k of kids) {
127      if (under(k.id)) continue
128      const old = keep.get(k.id)
129      fresh.push(old && old.kind === 'dir' && k.kind === 'dir' ? { ...k, loaded: old.loaded } : k)
130    }
131  }
132  const out = nodes.filter(n => !listed.has(n.parent) && !under(n.id))
133  return [...out.map(n => (listed.has(n.id) ? { ...n, loaded: true } : n)), ...fresh]
134}
135
136export type GitStatus = {
137  git: Record<string, string>
138  ignored: string[]
139  untrackedDirs: string[]
140  branch: Branch | null
141  files: Record<string, Change>
142}
143
144export type Change = 'new' | 'mod' | 'del'
145
146export function parseBranch(record: string): Branch {
147  const body = record.replace(/^## /, '')
148  if (body.startsWith('HEAD (no branch)')) return { head: 'detached', upstream: '', ahead: 0, behind: 0 }
149  const head = body.match(/^(?:No commits yet on |Initial commit on )?(.+?)(?:\.\.\.|\s|$)/)?.[1] ?? body
150  const upstream = body.match(/\.\.\.(\S+)/)?.[1] ?? ''
151  const ahead = Number(body.match(/ahead (\d+)/)?.[1] ?? 0)
152  const behind = Number(body.match(/behind (\d+)/)?.[1] ?? 0)
153  return { head, upstream, ahead, behind }
154}
155
156export function mapper(root: string, prefix: string): (rel: string) => string | null {
157  return rel => (rel.startsWith(prefix) ? join(root, rel.slice(prefix.length).replace(/\/$/, '')).replace(/\/$/, '') : null)
158}
159
160export function parseGit(stdout: string, root: string, prefix: string): GitStatus {
161  const map = mapper(root, prefix)
162  const git: Record<string, string> = {}
163  const ignored: string[] = []
164  const untrackedDirs: string[] = []
165  const files: Record<string, Change> = {}
166  let branch: Branch | null = null
167  const parts = stdout.split('\0')
168  for (let i = 0; i < parts.length; i++) {
169    const rec = parts[i] ?? ''
170    if (rec.startsWith('## ')) {
171      branch = parseBranch(rec)
172      continue
173    }
174    if (rec.length < 4) continue
175    const xy = rec.slice(0, 2)
176    const raw = rec.slice(3)
177    if (xy[0] === 'R' || xy[0] === 'C') i++
178    const path = map(raw)
179    if (!path) continue
180    if (xy === '!!') {
181      ignored.push(path)
182      continue
183    }
184    if (xy === '??' && raw.endsWith('/')) untrackedDirs.push(path)
185    else files[path] = xy === '??' || (xy.includes('A') && !xy.includes('D')) ? 'new' : xy.includes('D') && !/U/.test(xy) ? 'del' : 'mod'
186    const letter =
187      xy === '??'
188        ? '?'
189        : /U/.test(xy) || xy === 'AA' || xy === 'DD'
190          ? 'U'
191          : (['D', 'M', 'R', 'C', 'A', 'T'].find(c => xy.includes(c)) ?? '')
192    if (!letter) continue
193    git[path] = stronger(git[path], letter)
194    let dir = dirname(path)
195    while (dir.length >= root.length && dir !== '/') {
196      git[dir] = stronger(git[dir], letter)
197      if (dir === root) break
198      dir = dirname(dir)
199    }
200  }
201  return { git, ignored, untrackedDirs, branch, files }
202}
203
204export function parseNumstat(stdout: string, root: string, prefix: string, into: Record<string, [number, number]>): void {
205  const map = mapper(root, prefix)
206  const parts = stdout.split('\0')
207  for (let i = 0; i < parts.length; i++) {
208    const rec = parts[i] ?? ''
209    if (!rec) continue
210    const m = rec.match(/^(-|\d+)\t(-|\d+)\t(.*)$/s)
211    if (!m) continue
212    let path = m[3] ?? ''
213    if (path === '') {
214      i += 2
215      path = parts[i] ?? ''
216    }
217    if (!path) continue
218    const add = m[1] === '-' ? 0 : Number(m[1])
219    const del = m[2] === '-' ? 0 : Number(m[2])
220    const abs = map(path)
221    if (!abs) continue
222    const prev = into[abs] ?? [0, 0]
223    into[abs] = [prev[0] + add, prev[1] + del]
224  }
225}
226
227export function rollUp(diff: Record<string, [number, number]>, root: string): Record<string, [number, number]> {
228  const out: Record<string, [number, number]> = { ...diff }
229  for (const [path, [add, del]] of Object.entries(diff)) {
230    let dir = dirname(path)
231    while (dir.length >= root.length && dir !== '/') {
232      const prev = out[dir] ?? [0, 0]
233      out[dir] = [prev[0] + add, prev[1] + del]
234      if (dir === root) break
235      dir = dirname(dir)
236    }
237  }
238  return out
239}
240
241export function rollCounts(files: Record<string, Change>, root: string): Record<string, [number, number, number]> {
242  const out: Record<string, [number, number, number]> = {}
243  const slot = { new: 0, mod: 1, del: 2 } as const
244  for (const [path, change] of Object.entries(files)) {
245    let dir = dirname(path)
246    while (dir.length >= root.length && dir !== '/') {
247      const cur = out[dir] ?? [0, 0, 0]
248      cur[slot[change]] += 1
249      out[dir] = cur
250      if (dir === root) break
251      dir = dirname(dir)
252    }
253  }
254  return out
255}
256
257export function underAny(id: string, set: Set<string>, root: string): boolean {
258  if (set.size === 0) return false
259  let cur = id
260  while (cur.length >= root.length) {
261    if (set.has(cur)) return true
262    const up = dirname(cur)
263    if (up === cur) break
264    cur = up
265  }
266  return false
267}
268
269export function ancestorsOf(id: string, root: string): string[] {
270  const out: string[] = []
271  if (!root) return out
272  for (let dir = dirname(id), prev = id; dir !== prev && dir !== root && inside(root, dir); prev = dir, dir = dirname(dir)) out.push(dir)
273  return out
274}
275
276export function relative(root: string, path: string): string {
277  return path === root ? '' : path.slice(root.endsWith('/') ? root.length : root.length + 1)
278}
279
280export function visibleRows(t: FileTree): Row[] {
281  const kids = new Map<string, FileNode[]>()
282  for (const n of t.nodes) {
283    if (!t.showHidden && n.hidden) continue
284    const list = kids.get(n.parent)
285    if (list) list.push(n)
286    else kids.set(n.parent, [n])
287  }
288  const q = t.query.trim().toLowerCase()
289  let keep: Set<string> | null = null
290  if (q) {
291    keep = new Set()
292    for (const n of t.nodes) {
293      if (!relative(t.root, n.id).toLowerCase().includes(q)) continue
294      keep.add(n.id)
295      for (const a of ancestorsOf(n.id, t.root)) keep.add(a)
296    }
297  }
298  const open = new Set(t.expanded)
299  const rows: Row[] = []
300  const walk = (dir: string, depth: number) => {
301    for (const n of kids.get(dir) ?? []) {
302      if (keep && !keep.has(n.id)) continue
303      const isOpen = n.kind === 'dir' && (keep ? kids.has(n.id) : open.has(n.id))
304      rows.push({ node: n, depth, open: isOpen })
305      if (isOpen) walk(n.id, depth + 1)
306    }
307  }
308  walk(t.root, 0)
309  return rows
310}
311
312export function stamp(ms: number): string {
313  if (!ms) return ''
314  const d = new Date(ms)
315  const p = (v: number) => String(v).padStart(2, '0')
316  return `${d.getFullYear()}-${p(d.getMonth() + 1)}-${p(d.getDate())} ${p(d.getHours())}:${p(d.getMinutes())}`
317}
318
319export function formatSize(bytes: number): string {
320  if (bytes < 0) return '?'
321  if (bytes < 1024) return `${bytes} B`
322  const units = ['K', 'M', 'G', 'T']
323  let v = bytes / 1024
324  let i = 0
325  while (v >= 1024 && i < units.length - 1) {
326    v /= 1024
327    i++
328  }
329  return `${v < 100 ? v.toFixed(1) : Math.round(v)} ${units[i]}`
330}
331

1export type FileNode = {
2  id: string
3  parent: string
4  name: string
5  kind: 'dir' | 'file' | 'link'
6  hidden: boolean
7  mtime: number
8  size: number
9  loaded: boolean
10}
11
12export type Branch = {
13  head: string
14  upstream: string
15  ahead: number
16  behind: number
17}
18
19export type Activity = {
20  id: number
21  kind: string
22  label: string
23  state: 'running' | 'done' | 'failed'
24  detail: string
25  at: number
26  tone: string
27  nerd: string
28  plain: string
29}
30
31export type FileTree = {
32  root: string
33  nodes: FileNode[]
34  expanded: string[]
35  cursor: string
36  selected: string
37  query: string
38  showHidden: boolean
39  showSize: boolean
40  dirSizes: Record<string, number>
41  git: Record<string, string>
42  diff: Record<string, [number, number]>
43  ignored: string[]
44  untrackedDirs: string[]
45  top: string
46  prefix: string
47  branch: Branch | null
48  counts: Record<string, [number, number, number]>
49  flash: string[]
50  flashDim: string[]
51  flashOn: boolean
52  flashTones: Record<string, string>
53  scroll: number | null
54}
55
56export type Theme = {
57  fg: string
58  accent: string
59  muted: string
60  urgent: string
61  selection: string
62  bg: string
63}
64
65declare module 'claude-code' {
66  interface PluginState {
67    filetree: {
68      tree: FileTree
69      theme: Theme
70      activity: Activity[]
71    }
72  }
73}
74