mod-prompts

1// mod-prompts / hooks/register.tsx, by v-amorim
2// Registers the mod: wires the prompts sidebar, timeline, settings, jumps and toasts.
3import type { ConfigValue, EngineInterface, Register } from 'claude-code'
4
5import { bridgeOn, endBridge, startBridge, type BridgeRecord } from './bridge'
6import { cardSpace, HEAD_ROWS, stickyCard } from './card'
7import { isTipMessage, type EntryMessage, type EntryProps, type Tip } from './entry'
8import { cardFill, detectNerd, FOOTER_ROWS, lookFor, paneFooter, section, sepText, titleEdge, withMark, type IconMode } from './look'
9import { labelsOf, menuEntry, pill, pillRow, splitRow, tabRow, tipLine } from './pills'
10import { settingChoice, settingsBody } from './settings'
11import { TOAST_MS, ToastList, toastCards } from './toasts'
12import { promptsOf, promptText, rowKey, targetOf, TranscriptRows, type Prompt } from './prompts'
13import { bytesOf, CHUNK_BYTES, chunkArgv, utf8Length } from './tail'
14import { GUTTER, timelineRows, type TimelineMessage, type TimelineProps } from './timeline'
15import { fill, MARK, statusColor, THEME } from './theme'
16import style from './style'
17import text from './text'
18
19
20// The icons setting (userConfig), fixed per activation: a change reloads the mod.
21let iconMode: IconMode = 'auto'
22let look = lookFor(false)
23
24async function detectLook($: EngineInterface) {
25  if (iconMode !== 'auto') return lookFor(iconMode === 'nerd')
26  const env = {
27    WT_SESSION: await $.env.get('WT_SESSION'),
28    TERM_PROGRAM: await $.env.get('TERM_PROGRAM'),
29    ITERM_PROFILE: await $.env.get('ITERM_PROFILE'),
30    KITTY_WINDOW_ID: await $.env.get('KITTY_WINDOW_ID'),
31    ALACRITTY_WINDOW_ID: await $.env.get('ALACRITTY_WINDOW_ID'),
32    GNOME_TERMINAL_SCREEN: await $.env.get('GNOME_TERMINAL_SCREEN'),
33    KONSOLE_VERSION: await $.env.get('KONSOLE_VERSION'),
34  }
35  const host = {
36    localAppData: ((await $.env.get('LOCALAPPDATA')) ?? '').replace(/\\/g, '/'),
37    home: ((await $.env.get('USERPROFILE')) ?? (await $.env.get('HOME')) ?? '').replace(/\\/g, '/'),
38    read: (path: string) => $.fs.read(path).then(String),
39    run: async (argv: string[]) => {
40      const result = await $.process.run(argv, { timeoutMs: 5000 })
41      if (result.exitCode !== 0) throw new Error(result.stderr)
42      return result.stdout
43    },
44  }
45  return lookFor(await detectNerd(env, host))
46}
47
48// Reading the terminal's settings takes a while, so on auto the last answer, kept in this mod's store, draws until it returns.
49async function savedLook($: EngineInterface) {
50  if (iconMode !== 'auto') return look
51  try {
52    const nerd = await $.store.get('look-nerd')
53    return typeof nerd === 'boolean' ? lookFor(nerd) : look
54  } catch {
55    return look
56  }
57}
58
59async function saveLook($: EngineInterface) {
60  try {
61    await $.store.set('look-nerd', look.nerd)
62  } catch {
63    // Without a store the mod still draws; it only starts from safe again next time.
64  }
65}
66
67// Hooks of one event run in turn, so the slow font check runs beside them instead of holding up every mod after this one.
68let lookLoad: Promise<void> | null = null
69
70function loadLook($: EngineInterface) {
71  lookLoad ??= (async () => {
72    look = await savedLook($)
73    void detectLook($).then(async found => {
74      const isChanged = found.nerd !== look.nerd
75      look = found
76      await saveLook($)
77      if (isChanged) $.ui.invalidate('ui.render')
78    }).catch(() => {
79      // A failed check keeps the icons drawn now.
80    })
81  })()
82  return lookLoad
83}
84
85const PANE = 'prompts'
86const SETTINGS = 'prompts-settings'
87// Claude Code draws a prompt under this id as it is sent, then under its uuid; only the uuid draw is listed.
88const PLACEHOLDER = 'placeholder'
89
90// Border, the number line and six lines of the prompt.
91const CARD_ROWS = 8
92
93// An entry click with this prefix flips the card of the prompt whose id follows.
94const MORE = 'prompts-more:'
95
96const STOPS_PER_CLIENT = 30
97
98const PAGE_SIZE = 100
99
100let transcript = ''
101let transcriptRows = new TranscriptRows()
102// The bytes of the file fed so far, and the unfinished line after them; a turn that added nothing reads nothing.
103let fedBytes = 0
104let carry = ''
105// A file that could not be read at this size is not read again until it grows.
106let failedSize = -1
107// The short reason the last failed read gave, for the empty state.
108let readError = ''
109const reasonOf = (error: unknown) => (error instanceof Error ? error.message : String(error)).replace(/\s+/g, ' ').trim().slice(0, 80)
110// Read in full once, then in part; prompts drawn in between come from the rows Claude Code draws.
111let isLoaded = false
112// A turn ended, so the next read takes what it added.
113let isStale = false
114let prompts: Prompt[] = []
115let selected = -1
116// The page the timeline shows; -1 follows the open prompt.
117let page = -1
118// How many pages the last drawing had, so a pager click knows its bounds.
119let pageCount = 1
120let note = ''
121// Row key -> the requestId Claude Code drew that prompt's row under, which a jump scrolls to.
122const drawn = new Map<string, string>()
123
124const isOpen = async ($: EngineInterface, id = PANE) => (await $.ui.panes()).some(pane => pane.id === id && pane.isPlaced)
125
126// The session the prompts belong to. A /resume or /clear keeps the process and changes the id, so the old list must never show for the new one.
127let listSession = ''
128
129function startList(session: string, path = '') {
130  listSession = session
131  transcript = path
132  transcriptRows = new TranscriptRows()
133  fedBytes = 0
134  carry = ''
135  failedSize = -1
136  readError = ''
137  isLoaded = false
138  isStale = false
139  prompts = []
140  selected = -1
141  page = -1
142  note = ''
143  drawn.clear()
144}
145
146// A transcript path is kept with the time it was named; an older bare string counts as a path with no age yet.
147const pathOf = (kept: unknown) => {
148  const path = typeof kept === 'object' && kept !== null ? (kept as { path?: unknown }).path : kept
149  return typeof path === 'string' ? path : ''
150}
151
152const TRANSCRIPT_KEEP_MS = 30 * 24 * 60 * 60 * 1000
153
154// Entries untouched for 30 days go; a bare string from an older version starts its clock now.
155async function pruneTranscripts($: EngineInterface) {
156  try {
157    const now = await $.clock.now()
158    for (const key of await $.store.keys()) {
159      if (!key.startsWith('transcript:')) continue
160      const kept = await $.store.get(key)
161      const at = typeof kept === 'object' && kept !== null ? Number((kept as { at?: unknown }).at) : NaN
162      if (Number.isFinite(at)) {
163        if (at < now - TRANSCRIPT_KEEP_MS) await $.store.delete(key)
164      } else if (typeof kept === 'string') await $.store.set(key, { path: kept, at: now })
165    }
166  } catch {
167    // Old entries stay until the next start.
168  }
169}
170
171// Only the SessionStart record names the transcript, and the bridge delivers it; kept per session so a reload finds it again.
172async function sessionStarted($: EngineInterface, record: BridgeRecord) {
173  const session = String(record.session_id ?? '')
174  const path = String(record.transcript_path ?? '')
175  if (!session || !path) return
176  // A compact keeps the same session and transcript, and the prompts learned since the read are already here.
177  if (session !== listSession || path !== transcript) startList(session, path)
178  await $.store.set(`transcript:${session}`, { path, at: await $.clock.now() }).catch(() => {})
179  $.ui.invalidate('ui.render')
180}
181
182// Asking the id on every row would cost a round trip each, so rows ask after a session.end, or once this long has passed.
183const SESSION_CHECK_MS = 500
184let sessionCheckedAt = 0
185
186async function followSession($: EngineInterface) {
187  const now = Date.now()
188  if (listSession && now - sessionCheckedAt < SESSION_CHECK_MS) return
189  sessionCheckedAt = now
190  const asked = listSession
191  const session = String(await $.session.id().catch(() => listSession))
192  // A SessionStart that switched the list while the id was on its way knows better than this answer.
193  if (session !== listSession && asked === listSession) startList(session)
194}
195
196// One read at a time: two at once would feed the same lines twice.
197let reading: Promise<void> = Promise.resolve()
198const load = ($: EngineInterface) => (reading = reading.then(() => readMore($)).catch(() => {}))
199
200// An open or a draw waits this long at most, so a long session's first read never holds up the panel; it redraws once the read lands.
201const LOAD_WAIT_MS = 300
202const loadAWhile = ($: EngineInterface) => Promise.race([load($), $.clock.sleep(LOAD_WAIT_MS).catch(() => {})])
203
204// One fs.read takes a file up to this size.
205const WHOLE_READ_BYTES = 4 * 1024 * 1024
206
207// The file's text from byte `from` on; past one fs.read, only the first read streams the whole file, later ones take the new bytes.
208async function readFrom($: EngineInterface, path: string, from: number, size: number) {
209  if (size <= WHOLE_READ_BYTES) {
210    const whole = String(await $.fs.read(path).catch(error => (readError ||= reasonOf(error), '')))
211    if (whole) return from ? new TextDecoder().decode(new TextEncoder().encode(whole).subarray(from)) : whole
212  }
213  if (from > 0) {
214    const parts: Uint8Array[] = []
215    for (let at = from; at < size; at += CHUNK_BYTES) parts.push(bytesOf((await $.process.run(chunkArgv(path, at, Math.min(CHUNK_BYTES, size - at)))).stdout))
216    const bytes = new Uint8Array(parts.reduce((sum, part) => sum + part.length, 0))
217    parts.reduce((at, part) => (bytes.set(part, at), at + part.length), 0)
218    return new TextDecoder().decode(bytes)
219  }
220  const isWindows = /^[A-Za-z]:|\\/.test(path)
221  // cmd's type rejects forward slashes ("The syntax of the command is incorrect").
222  const argv = isWindows ? ['cmd', '/c', 'type', path.replace(/\//g, '\\')] : ['cat', path]
223  let text = ''
224  for await (const chunk of $.process.spawn({ argv })) {
225    if (chunk.stream === 'stdout') text += chunk.text
226  }
227  return text
228}
229
230async function readMore($: EngineInterface) {
231  await followSession($)
232  if (isLoaded && !isStale) return
233  const session = listSession
234  isStale = false
235  const path = transcript || pathOf(await $.store.get(`transcript:${session}`).catch(() => '')) || (await findTranscript($))
236  if (!path || session !== listSession) return
237  transcript = path
238  const { size } = await $.fs.stat(path).catch(() => ({ size: -1 }))
239  if (size < 0 || size === failedSize || (isLoaded && size === fedBytes)) return
240  // A file shorter than what was fed was rewritten, so it is read again from its start.
241  if (size < fedBytes) {
242    transcriptRows = new TranscriptRows()
243    fedBytes = 0
244    carry = ''
245  }
246  const from = fedBytes
247  readError = ''
248  const fresh = await readFrom($, path, from, size).catch(error => (readError ||= reasonOf(error), ''))
249  if (session !== listSession || path !== transcript) return
250  // A failed read leaves the transcript unloaded until the file grows, so a draw does not read it again and again.
251  if (!fresh) {
252    failedSize = size
253    $.ui.invalidate('ui.render')
254    return
255  }
256  failedSize = -1
257  readError = ''
258  carry = transcriptRows.append(carry + fresh)
259  fedBytes = from + utf8Length(fresh)
260  isLoaded = true
261  $.ui.invalidate('ui.render')
262  // Prompts drawn since the read, not yet in the file, stay at the end.
263  const read = promptsOf(transcriptRows.rows)
264  // A queued prompt is drawn under another id than the file's, so a drawn one also matches it by its text.
265  const known = new Set([...read.map(prompt => rowKey(prompt.id)), ...read.filter(prompt => prompt.isQueued).map(prompt => sameText(prompt.text))])
266  prompts = [...read, ...prompts.filter(prompt => !known.has(rowKey(prompt.id)) && !known.has(sameText(prompt.text)))]
267  if (selected < 0 || selected >= prompts.length) selected = prompts.length - 1
268}
269
270const sameText = (text: string) => `text:${text.replace(/\[Image #\d+\]/g, '').replace(/\s+/g, ' ').trim()}`
271
272// A turn's length as the fold writes it: seconds, then minutes and seconds.
273const duration = (ms: number) => {
274  const seconds = Math.round(ms / 1000)
275  return seconds < 60 ? `${seconds}s` : `${Math.floor(seconds / 60)}m ${seconds % 60}s`
276}
277
278// A saved change reloads this mod, which redraws the panel with the new value.
279async function saveSetting($: EngineInterface, key: string, value: ConfigValue) {
280  const row = (await $.config.list()).find(each => each.key === key)
281  const result = await $.config.set({ key, value })
282  note = 'deny' in result && result.deny ? `${MARK.warn} ${result.deny}` : `${MARK.ok} ${fill(text.settingSaved, { label: row?.label ?? key })}`
283  $.ui.invalidate('ui.render')
284}
285
286// The panel's title line: the list and its settings as tabs, the shown one open.
287const tabs = (isSettings: boolean) => [
288  { id: 'prompts-tab', label: text.paneTitle, icon: look.glyph.icon.prompt ?? look.glyph.title, isOpen: !isSettings, count: prompts.length, tip: { glyph: look.glyph.icon.prompt ?? look.glyph.title, label: text.paneTitle, text: text.promptsTabTip } },
289  { id: 'prompts-settings', label: text.settingsTab, icon: look.glyph.gear, isOpen: isSettings, tip: { glyph: look.glyph.gear, label: text.settingsTab, text: text.settingsTabTip } },
290]
291
292async function configDir($: EngineInterface) {
293  const set = ((await $.env.get('CLAUDE_CONFIG_DIR')) ?? '').replace(/\\/g, '/').replace(/\/+$/, '')
294  if (set) return set
295  const home = ((await $.env.get('USERPROFILE')) ?? (await $.env.get('HOME')) ?? '').replace(/\\/g, '/')
296  return `${home}/.claude`
297}
298
299// When no SessionStart named the transcript, it is `<session id>.jsonl` in one of the config folder's projects folders.
300async function findTranscript($: EngineInterface) {
301  const projects = `${await configDir($)}/projects`
302  const file = `${await $.session.id()}.jsonl`
303  for (const entry of await $.fs.list(projects).catch(() => [])) {
304    const path = `${projects}/${entry.name}/${file}`
305    if (entry.kind === 'dir' && (await $.fs.exists(path).catch(() => false))) return path
306  }
307  return ''
308}
309
310// The command and the bar entry both toggle. An unplaced pane is waiting, not open.
311async function togglePane($: EngineInterface) {
312  if (await isOpen($)) {
313    await $.ui.close({ id: PANE })
314    await $.state.set({ plugin: 'mod-prompts', key: 'pane' }, false)
315    return
316  }
317  if (await isOpen($, SETTINGS)) await $.ui.close({ id: SETTINGS })
318  note = ''
319  selected = -1
320  page = -1
321  await loadAWhile($)
322  const opened = await $.ui.open({ id: PANE, title: text.paneTitle, closeOnEscape: true })
323  if (!opened.isPlaced) $.ui.toast(text.panelWaiting)
324  await $.state.set({ plugin: 'mod-prompts', key: 'pane' }, opened.isPlaced)
325}
326
327// `/mod-prompts settings` and the title row's pill toggle the settings panel, which takes the sidebar's place.
328async function toggleSettings($: EngineInterface) {
329  if (await isOpen($, SETTINGS)) {
330    await $.ui.close({ id: SETTINGS })
331    await $.state.set({ plugin: 'mod-prompts', key: 'pane' }, false)
332    return
333  }
334  if (await isOpen($)) await $.ui.close({ id: PANE })
335  note = ''
336  const opened = await $.ui.open({ id: SETTINGS, title: text.settingsPaneTitle, closeOnEscape: true })
337  if (!opened.isPlaced) $.ui.toast(text.settingsWaiting)
338  await $.state.set({ plugin: 'mod-prompts', key: 'pane' }, opened.isPlaced)
339}
340
341// Scrolls the transcript to the prompt's row; Claude Code allows it only with the person's press behind it.
342async function jump($: EngineInterface, index: number) {
343  const prompt = prompts[index]
344  if (!prompt) return
345  selected = index
346  const result = await $.ui.scroll({ to: { requestId: targetOf(drawn, prompt.id) }, block: 'start' }).catch((error: Error) => ({ deny: error.message }))
347  note = result.deny ? `${MARK.warn} ${result.deny}` : `${MARK.ok} ${fill(text.jumped, { n: index + 1 })}`
348  $.ui.invalidate('ui.render')
349}
350
351const oneLine = (text: string, width: number) => {
352  const flat = text.replace(/\s+/g, ' ')
353  return flat.length > width ? `${flat.slice(0, Math.max(0, width - 1))}…` : flat
354}
355
356// The rows a text takes at this width, wrapped at spaces, a word wider than the width breaking across rows.
357const wrapRows = (value: string, width: number) =>
358  value.split('\n').flatMap(line => {
359    const rows = ['']
360    let used = 0
361    for (const word of line.split(' ')) {
362      const chars = [...word]
363      if (used > 0 && used + 1 + chars.length <= width) {
364        rows[rows.length - 1] += ` ${word}`
365        used += 1 + chars.length
366        continue
367      }
368      if (used > 0) rows.push('')
369      rows[rows.length - 1] = chars.slice(0, width).join('')
370      used = Math.min(chars.length, width)
371      for (let at = width; at < chars.length; at += width) {
372        rows.push(chars.slice(at, at + width).join(''))
373        used = Math.min(chars.length - at, width)
374      }
375    }
376    return rows
377  })
378
379// The prompt whose card shows every line; a click on its control flips it.
380let fullPrompt = ''
381
382const clock = (at?: string) => {
383  const date = at ? new Date(at) : undefined
384  return date && !Number.isNaN(date.getTime()) ? `${String(date.getHours()).padStart(2, '0')}:${String(date.getMinutes()).padStart(2, '0')}` : ''
385}
386
387// True while the pointer is on this mod's pill entry, which then shows its tip above the row.
388let tipShown = false
389// The control under the pointer in the pane, which the footer describes.
390let hoveredTip: Tip | null = null
391// The toast × under the pointer, shown in the band's tip row.
392let toastTip = ''
393
394// A band redraw can replace a hovered entry, whose leave and quiet timer then never come, so a band tip ends on its own.
395const BAND_TIP_MS = 5000
396let bandTipAt = 0
397
398function expireBandTip($: EngineInterface) {
399  const at = ++bandTipAt
400  $.clock.after(BAND_TIP_MS, () => {
401    if (at !== bandTipAt || (!tipShown && !toastTip)) return
402    tipShown = false
403    toastTip = ''
404    $.ui.invalidate('ui.render')
405  })
406}
407
408const toasts = new ToastList('prompts')
409// The animations setting, fixed per activation: off, every entry draws still.
410let still = false
411
412// The entry shimmers from the click until the pane draws, so a slow open never looks ignored.
413const OPEN_WAIT_MS = 8000
414let isOpening = false
415
416function endOpening($: EngineInterface) {
417  if (!isOpening) return
418  isOpening = false
419  $.ui.invalidate('ui.render')
420}
421
422async function openingPane($: EngineInterface) {
423  if (!(await isOpen($))) {
424    isOpening = true
425    $.ui.invalidate('ui.render')
426    $.clock.after(OPEN_WAIT_MS, () => endOpening($))
427  }
428  await togglePane($)
429  if (!(await isOpen($))) endOpening($)
430}
431
432export const register: Register = (on, options) => {
433  still = options.animations === false
434  iconMode = (options.icons as IconMode | undefined) ?? 'auto'
435  // A forced mode needs no detection; auto loads the saved answer, then checks the terminal font beside the hooks.
436  look = lookFor(iconMode === 'nerd')
437  toasts.isStill = still
438  // This mod's toasts draw as cards in the band; Claude Code's own box is narrow and cuts them.
439  on('ui.toast', async ($, e) => {
440    const id = toasts.add(e.text)
441    $.ui.invalidate('ui.render')
442    $.clock.after(e.timeoutMs ?? TOAST_MS, () => {
443      toasts.drop(id)
444      $.ui.invalidate('ui.render')
445    })
446    return { value: undefined }
447  })
448
449  on('session.start', async ($, e, next) => {
450    try {
451      bridgeOn('SessionStart', record => sessionStarted($, record))
452      await startBridge($, 'mod-prompts')
453      await loadLook($)
454      await $.command.register({ name: 'mod-prompts', description: text.commandDescription, argumentHint: '[settings]' })
455      await pruneTranscripts($)
456      // The bar entry reads this; an unload drops the pane without raising ui.close here.
457      await $.state.set({ plugin: 'mod-prompts', key: 'pane' }, await isOpen($))
458      // A hot reload leaves an open pane on its old drawing until something redraws it.
459      $.ui.invalidate('ui.render')
460    } catch {
461      // The pane stays as it was.
462    }
463
464    return next(e)
465  })
466
467  // A /resume or /clear ends this session; the next row asks for the id at once.
468  on('session.end', async ($, e, next) => {
469    sessionCheckedAt = 0
470    await endBridge($, e.sessionId)
471
472    return next(e)
473  })
474
475  on('turn.complete', async ($, e, next) => {
476    if (!e.agentId) {
477      // A closed pane reads the file when it next opens.
478      isStale = true
479      if (await isOpen($)) {
480        $.clock.after(0, async () => {
481          await load($)
482          $.ui.invalidate('ui.render')
483        })
484      }
485    }
486
487    return next(e)
488  })
489
490  // Each prompt row as Claude Code draws it, so a jump scrolls to the id the row really has.
491  on('ui.render', { component: 'UserMessage' }, async ($, e, next) => {
492    await loadLook($)
493    await followSession($)
494    drawn.set(rowKey(e.requestId), e.requestId)
495    // A prompt sent after the read joins the list as its row draws.
496    const text = e.props.origin?.kind === 'composer' ? promptText(String(e.props.text ?? '')) : undefined
497    // A row redrawn under its id is already listed, and so is a queued prompt drawn again under another id.
498    if (isLoaded && text && e.requestId !== PLACEHOLDER && !prompts.some(prompt => rowKey(prompt.id) === rowKey(e.requestId) || (prompt.isQueued && sameText(prompt.text) === sameText(text)))) {
499      prompts = [...prompts, { id: e.requestId, text, at: new Date().toISOString(), tools: 0, added: 0, removed: 0 }]
500      $.clock.after(0, () => $.ui.invalidate('ui.render'))
501    }
502
503    return next(e)
504  })
505
506  on('command.run', { command: 'mod-prompts' }, async ($, e) => {
507    if ((e.args ?? '').trim() === 'settings') await toggleSettings($)
508    else await togglePane($)
509
510    return { text: '' }
511  })
512
513  on('ui.close', async ($, e, next) => {
514    try {
515      if (e.id === PANE || e.id === SETTINGS) await $.state.set({ plugin: 'mod-prompts', key: 'pane' }, await isOpen($, e.id === PANE ? SETTINGS : PANE))
516    } catch {
517      // The pane stays as it was.
518    }
519
520    return next(e)
521  })
522
523  // Deferred past this dispatch, so this mod's own state write is not nested in another plugin's.
524  on('state.set', async ($, e, next) => {
525    // The declared state names no other mod's pane, so the types narrow this event to never.
526    if (e.key === 'pane' && e.plugin !== 'mod-prompts' && (e as { value?: unknown }).value === true) {
527      $.clock.after(0, async () => {
528        const wasOpen = (await isOpen($)) || (await isOpen($, SETTINGS))
529        if (!wasOpen) return
530        await $.ui.close({ id: PANE })
531        await $.ui.close({ id: SETTINGS })
532        await $.state.set({ plugin: 'mod-prompts', key: 'pane' }, false)
533      })
534    }
535
536    return next(e)
537  })
538
539  on('ui.render', { component: 'AbovePrompt' }, async ($, e, next) => {
540    await loadLook($)
541    const hidden = await $.state.get({ plugin: 'mod-menu', key: 'hidden' })
542    if (e.surface !== 'terminal' || e.props.hasSurvey) return next(e)
543    if (hidden.value === true) {
544      if (toasts.items.length === 0) return next(e)
545      const { Box, Client, Text } = $.ui.resolve(e)
546      return <Box key="toasts-prompts" flexDirection="column">{toastCards({ Box, Client, Text }, toasts, look, text.tipToast)}{await next(e)}</Box>
547    }
548    const nerd = look.nerd
549    const labels = labelsOf((await $.state.get({ plugin: 'mod-menu', key: 'labels' })).value)
550
551    const { Box, Client, Text } = $.ui.resolve(e)
552    // Reading the value subscribes the bar to redraws; the look trusts the pane list itself.
553    await $.state.get({ plugin: 'mod-prompts', key: 'pane' })
554    const shown = (await isOpen($)) || (await isOpen($, SETTINGS))
555    const { group, row, rest, tip } = splitRow(await next(e))
556    // Opening the pane from here queues nothing, so the entry stays live mid-turn.
557    const entry = menuEntry({ Box, Client, Text }, nerd, 'prompts', { label: text.pillLabel, labels, isOpen: shown, idle: THEME.pill, isBusy: isOpening, still })
558
559    return pillRow({ Box, Client, Text }, nerd, [entry, ...group], row, [...toastCards({ Box, Client, Text }, toasts, look, text.tipToast), ...rest], toastTip ? tipLine({ Box, Text }, toastTip) : tipShown ? tipLine({ Box, Text }, text.tip) : tip, e.props.bodyColumns)
560  })
561
562  on('ui.message', async ($, e, next) => {
563    const clicked = e.data as EntryMessage
564    const dismissed = clicked?.type === 'menu-entry' ? toasts.idOf(clicked.id) : undefined
565    if (dismissed !== undefined) {
566      toasts.drop(dismissed)
567      $.ui.invalidate('ui.render')
568      return next(e)
569    }
570    if (isTipMessage(e.data)) {
571      const { id, glyph, label, text: tipText } = e.data
572      const isToast = Boolean(id?.startsWith('toast-prompts-'))
573      toastTip = isToast ? `${label}: ${tipText}` : ''
574      if (toastTip) expireBandTip($)
575      hoveredTip = !isToast && id && glyph !== undefined && label && tipText ? { glyph, label, text: tipText } : null
576      $.ui.invalidate('ui.render')
577      return next(e)
578    }
579    const hover = e.data as { type?: string; id?: string; isOver?: boolean }
580    if (hover?.type === 'menu-hover' && hover.id === 'prompts') {
581      tipShown = hover.isOver === true
582      if (tipShown) expireBandTip($)
583      $.ui.invalidate('ui.render')
584    }
585    try {
586      const message = e.data as EntryMessage
587      if (message?.type === 'menu-entry' && message.id === 'prompts') await openingPane($)
588      if (message?.type === 'menu-entry' && message.id === 'prompts-settings' && !(await isOpen($, SETTINGS))) await toggleSettings($)
589      if (message?.type === 'menu-entry' && message.id === 'prompts-tab' && !(await isOpen($))) await togglePane($)
590      if (message?.type === 'menu-entry' && (message.id === 'prompts-page-prev' || message.id === 'prompts-page-next')) {
591        const shown = page < 0 ? Math.floor(Math.max(0, selected) / PAGE_SIZE) : page
592        page = Math.max(0, Math.min(pageCount - 1, shown + (message.id === 'prompts-page-next' ? 1 : -1)))
593        $.ui.invalidate('ui.render')
594      }
595      if (message?.type === 'menu-entry' && message.id.startsWith(MORE)) {
596        const id = message.id.slice(MORE.length)
597        fullPrompt = fullPrompt === id ? '' : id
598        $.ui.invalidate('ui.render')
599      }
600      const change = settingChoice(e.data)
601      if (change) await saveSetting($, change.key, change.value)
602    } catch {
603      // The pane stays as it was.
604    }
605
606    return next(e)
607  })
608
609  on('ui.message', { requestId: 'prompts' }, async ($, e, next) => {
610    const message = e.data as TimelineMessage
611    if (message?.type === 'select' && message.index !== selected) {
612      selected = message.index
613      $.ui.invalidate('ui.render')
614    }
615
616    return next(e)
617  })
618
619  on('ui.render', { component: 'Pane' }, async ($, e, next) => {
620    await loadLook($)
621    if (e.requestId !== PANE && e.requestId !== SETTINGS) return next(e)
622    if (isOpening) $.clock.after(0, () => endOpening($))
623    // @ts-expect-error The host's types omit Client from a Pane's elements, yet a Pane draws it.
624    const { Box, Button, Client, Text } = $.ui.resolve(e)
625
626    if (e.requestId === SETTINGS) {
627      const rows = (await $.config.list()).filter(row => row.key.startsWith('mod-prompts.'))
628      return (
629        <Box flexDirection="column" paddingX={1} minHeight={e.props.scroll.bodyRows} backgroundColor={THEME.bg}>
630          {tabRow({ Box, Client, Text }, look.nerd, tabs(true), still)}
631          {sepText({ Text }, withMark(look, note) || fill(text.settingsHint, { sep: MARK.sep }), statusColor(note), 'status-line', { wrap: 'truncate-end' })}
632          <Box marginTop={0}>{settingsBody({ Box, Button, Client, Text }, look, { rows, actions: [], working: false, run: async () => {}, still })}</Box>
633          <Box key="footer-space" height={FOOTER_ROWS} flexShrink={0} />
634          {paneFooter({ Box, Text }, hoveredTip, e.props.bodyColumns, e.props.scroll)}
635        </Box>
636      )
637    }
638
639    // A reload resets module state while the pane stays open, so read the transcript again.
640    await followSession($)
641    if (prompts.length === 0) await loadAWhile($)
642
643    // Pane padding, the section's border and padding, the gutter and the dot.
644    const width = Math.max(10, e.props.bodyColumns - 2 - 4 - GUTTER - 2)
645    const current = prompts[selected]
646    const stops = prompts.map((prompt, index) => ({ index, time: clock(prompt.at), text: oneLine(prompt.text, width), label: fill(text.stopLabel, { n: index + 1 }), tip: text.stopTip }))
647    const marks = { dot: MARK.stop, openDot: MARK.stopOpen }
648    pageCount = Math.max(1, Math.ceil(stops.length / PAGE_SIZE))
649    const shownPage = Math.min(pageCount - 1, page < 0 ? Math.floor(Math.max(0, selected) / PAGE_SIZE) : page)
650    const first = shownPage * PAGE_SIZE
651    const onPage = stops.slice(first, first + PAGE_SIZE)
652    const hasOpen = selected >= first && selected < first + PAGE_SIZE
653    const before = hasOpen ? onPage.filter(stop => stop.index <= selected) : onPage
654    const after = hasOpen ? onPage.filter(stop => stop.index > selected) : []
655    // At the first or last page the button stays in its place, dimmed; a press there changes nothing.
656    const pager = (id: string, label: string, tip: string, isEdge: boolean) => (
657      <Client key={id} module="./entry.tsx" height={1} props={{ id, label, isOpen: false, bg: THEME.surface3, idle: isEdge ? THEME.muted : THEME.secondary, still, tip: { glyph: look.glyph.icon.prompt ?? look.glyph.title, label, text: tip } } satisfies EntryProps} />
658    )
659    // The engine caps how large one Client's tree may serialize, so a long session's stops spread over several Clients.
660    const timeline = (key: string, list: typeof stops) =>
661      Array.from({ length: Math.ceil(list.length / STOPS_PER_CLIENT) }, (_, n) => {
662        const chunk = list.slice(n * STOPS_PER_CLIENT, (n + 1) * STOPS_PER_CLIENT)
663        return <Client key={n === 0 ? key : `${key}-${n}`} module="./timeline.tsx" height={timelineRows(chunk.length)} props={{ stops: chunk, selected, glyph: look.glyph.icon.prompt ?? look.glyph.title, still, ...marks } satisfies TimelineProps} />
664      })
665    const stat = (key: string, body: unknown) => pill({ Box, Text }, look.nerd, THEME.surface3, body, key, THEME.surface1)
666    const stats = current
667      ? [
668          current.durationMs !== undefined ? stat('open-time', <Text color={THEME.secondary}>{duration(current.durationMs)}</Text>) : null,
669          current.added || current.removed
670            ? stat('open-counts', (
671                <Text>
672                  <Text color={THEME.good}>{current.added ? `+${current.added}` : ''}</Text>
673                  <Text color={THEME.alert}>{current.added && current.removed ? ' ' : ''}{current.removed ? `−${current.removed}` : ''}</Text>
674                </Text>
675              ))
676            : null,
677          current.tools ? stat('open-tools', <Text color={THEME.secondary}>{fill(text.tools, { count: current.tools })}</Text>) : null,
678        ].filter(Boolean)
679      : []
680
681    // The card's text is the pane's width less its border and padding; a prompt past its rows gives the last one to the count.
682    const pagerRows = pageCount > 1 ? 1 : 0
683    const textRows = CARD_ROWS - 2 - pagerRows
684    const wrapped = current ? wrapRows(current.text, Math.max(10, e.props.bodyColumns - 6)) : []
685    const rowsNeeded = wrapped.length
686    const isClipped = rowsNeeded > textRows
687    // Opened, the card grows to every row, as far as the pane has room for it.
688    const isFull = isClipped && current !== undefined && fullPrompt === current.id
689    const roomRows = Math.max(textRows, e.props.scroll.bodyRows - HEAD_ROWS - FOOTER_ROWS - 4 - pagerRows)
690    const textShown = isFull ? Math.min(rowsNeeded, roomRows) : textRows
691    const cardRows = CARD_ROWS + (textShown - textRows)
692    const shownRows = wrapped.slice(0, textShown)
693    const moreId = `${MORE}${current?.id ?? ''}`
694    const moreLabel = isFull ? text.showLess : fill(text.cardMore, { n: rowsNeeded - textRows })
695    const moreArrow = isFull ? look.glyph.less : look.glyph.more
696    const moreControl = (
697      <Client key={moreId} module="./entry.tsx" width={[...moreLabel].length + 4} height={1} props={{ id: moreId, label: moreLabel, lead: moreArrow, leadColor: THEME.accent, isOpen: false, bg: cardFill(), idle: THEME.muted, still, nerd: look.nerd, tip: { glyph: moreArrow, label: moreLabel, text: isFull ? text.tipShowLess : text.tipShowAll } } satisfies EntryProps} />
698    )
699
700    // Mouse only: the jump is a Button, since a scroll needs the person's press behind it; a click on a stop opens it.
701    return (
702      <Box flexDirection="column" paddingX={1} minHeight={e.props.scroll.bodyRows} backgroundColor={THEME.bg}>
703        {tabRow({ Box, Client, Text }, look.nerd, tabs(false), still)}
704        {sepText({ Text }, note || fill(text.hint, { sep: MARK.sep }), statusColor(note), 'status-line', { wrap: 'truncate-end' })}
705        {prompts.length === 0 ? <Text color={THEME.muted}>{failedSize > 0 ? (readError ? fill(text.unreadableWhy, { reason: readError }) : text.unreadable) : text.empty}</Text> : null}
706        {current ? cardSpace({ Box }, cardRows) : null}
707        {section({ Box, Text }, look, 'timeline', '', text.thisSession, [
708          before.length > 0 ? (
709            timeline('timeline-before', before)
710          ) : null,
711          current && hasOpen ? (
712            <Box key="open" flexDirection="row" paddingLeft={GUTTER} columnGap={1}>
713              <Text color={style.colors.pills.separator}>{after.length > 0 ? MARK.rail : ' '}</Text>
714              <Box key="open-stats" flexDirection="row" columnGap={1} flexGrow={1}>
715                {stats}
716              </Box>
717              {/* A Button, not an Entry: a transcript scroll needs the person's press, and a Client click is refused as not person-initiated. */}
718              {/* A Button takes no color prop; its scoped hover inverts it, so the whole pill lights with its caps. */}
719              <Box key="open-jump-pill" flexShrink={0}>
720                {pill({ Box, Text }, look.nerd, THEME.surface3, (
721                  <Button key="open-jump" label={look.nerd ? MARK.open : ` ${MARK.open} `} plain hover={{ scope: 'open-jump-box', color: THEME.accent, inverse: true }} onPress={() => jump($, selected)} />
722                ), 'open-jump-box', THEME.surface1, THEME.accent)}
723              </Box>
724            </Box>
725          ) : null,
726          after.length > 0 ? (
727            timeline('timeline-after', after)
728          ) : null,
729        ])}
730        {current
731          ? [stickyCard({ Box, Text }, e.props.scroll.offset, e.props.bodyColumns, cardRows, [
732              <Box key="card-text" height={shownRows.length} flexDirection="column" overflow="hidden" flexShrink={0}>
733                {shownRows.map((row, at) =>
734                  isClipped && at === shownRows.length - 1 ? (
735                    <Box key={`card-row-${at}`} flexDirection="row">
736                      <Box key="card-row-text" flexShrink={1}><Text color={THEME.muted} wrap="truncate-end">{row || ' '}</Text></Box>
737                      <Box key="card-row-gap" flexGrow={1} />
738                      <Box key="card-row-more" flexShrink={0}>{moreControl}</Box>
739                    </Box>
740                  ) : (
741                    <Text key={`card-row-${at}`} color={THEME.muted} wrap="truncate-end">{row || ' '}</Text>
742                  ),
743                )}
744              </Box>,
745              // The pager rides in the pinned card, so it stays in view however far the timeline scrolls.
746              pageCount > 1 ? (
747                <Box key="pager" flexDirection="row" columnGap={1} flexShrink={0}>
748                  {pill({ Box, Text }, look.nerd, THEME.surface3, pager('prompts-page-prev', text.pagePrev, text.pagePrevTip, shownPage === 0), 'pager-prev', cardFill())}
749                  {pill({ Box, Text }, look.nerd, THEME.surface3, pager('prompts-page-next', text.pageNext, text.pageNextTip, shownPage === pageCount - 1), 'pager-next', cardFill())}
750                  {sepText({ Text }, fill(text.page, { page: shownPage + 1, pages: pageCount, from: first + 1, to: first + onPage.length, sep: MARK.sep }), THEME.muted, 'page-count')}
751                </Box>
752              ) : null,
753            ]),
754              <Box key="card-edge-wrap" position="absolute" top={Math.max(HEAD_ROWS, e.props.scroll.offset)} left={1} width={Math.max(10, e.props.bodyColumns - 2)} height={1}>
755                {titleEdge({ Box, Text }, look, 'card', 'prompt', fill(text.cardNumber, { n: selected + 1 }), clock(current.at), 0)}
756              </Box>]
757          : null}
758        <Box key="footer-space" height={FOOTER_ROWS} flexShrink={0} />
759        {paneFooter({ Box, Text }, hoveredTip, e.props.bodyColumns, e.props.scroll, current && hasOpen ? [{ scope: 'open-jump-box', tip: { glyph: MARK.open, label: text.jumpLabel, text: text.jumpTip } }] : [])}
760      </Box>
761    )
762  })
763}
764

1// hooks/bridge.ts, by v-amorim: a poll hands the lines a command hook appended to <mods-data>/<mod>/bridge/<session>.jsonl to this mod.
2import type { EngineInterface } from 'claude-code'
3
4export type BridgeRecord = Record<string, unknown>
5export type BridgeHandler = (record: BridgeRecord) => void | Promise<void>
6
7const POLL_MS = 250
8
9// One handler per event; registering again replaces it, so a mod that registers on every session.start holds one.
10const handlers = new Map<string, BridgeHandler>()
11// Characters of each session's file already delivered.
12const cursors = new Map<string, number>()
13let isStarted = false
14let isTicking = false
15let folder = ''
16
17export function bridgeOn(event: string, handler: BridgeHandler) {
18  handlers.set(event, handler)
19}
20
21async function folderOf($: EngineInterface, mod: string) {
22  const set = ((await $.env.get('CLAUDE_CONFIG_DIR')) ?? '').replace(/\\/g, '/').replace(/\/+$/, '')
23  if (set) return `${set}/mods-data/${mod}/bridge`
24  // The command hooks write under $HOME, so it comes before USERPROFILE; a Git Bash `/c/Users/x` becomes `C:/Users/x`, which $.fs can open.
25  const raw = ((await $.env.get('HOME')) || (await $.env.get('USERPROFILE')) || '').replace(/\\/g, '/').replace(/\/+$/, '')
26  const home = raw.replace(/^\/([A-Za-z])(?=\/[^/])/, (_, drive: string) => `${drive.toUpperCase()}:`)
27  return home ? `${home}/.claude/mods-data/${mod}/bridge` : ''
28}
29
30async function deliver(record: BridgeRecord) {
31  try {
32    await handlers.get(String(record.hook_event_name ?? ''))?.(record)
33  } catch {
34    // A handler's failure never stops the poll.
35  }
36}
37
38// The complete lines this session's file gained since the last read, and whether this is the first read since the module started.
39async function readNew($: EngineInterface, session: string) {
40  if (!folder || !session) return { lines: [] as string[], isFirst: false }
41  const text = String(await $.fs.read(`${folder}/${session}.jsonl`).catch(() => ''))
42  const isFirst = !cursors.has(session)
43  let cursor = cursors.get(session) ?? 0
44  // A file shorter than what was read was deleted or emptied, so it starts over.
45  if (text.length < cursor) cursor = 0
46  const end = text.lastIndexOf('\n') + 1
47  cursors.set(session, Math.max(end, cursor))
48  return { lines: end > cursor ? text.slice(cursor, end).split('\n').filter(Boolean) : [], isFirst }
49}
50
51async function poll($: EngineInterface, session: string) {
52  const { lines, isFirst } = await readNew($, session)
53  const records: BridgeRecord[] = []
54  for (const line of lines) {
55    try {
56      const parsed: unknown = JSON.parse(line)
57      if (typeof parsed === 'object' && parsed !== null && !Array.isArray(parsed)) records.push(parsed as BridgeRecord)
58    } catch {
59      // A corrupt line is skipped.
60    }
61  }
62  for (const record of isFirst ? lastOfEach(records) : records) await deliver(record)
63}
64
65// After a reload the file holds rows delivered before it, so only the last of each event is state worth replaying.
66export function lastOfEach(records: BridgeRecord[]) {
67  const last = new Map(records.map(record => [String(record.hook_event_name ?? ''), record]))
68  return records.filter(record => last.get(String(record.hook_event_name ?? '')) === record)
69}
70
71async function tick($: EngineInterface) {
72  if (isTicking) return
73  isTicking = true
74  try {
75    // Asked every tick, so a /clear or a resume reads the new session's file.
76    await poll($, String(await $.session.id()))
77  } catch {
78    // The next tick tries again.
79  } finally {
80    isTicking = false
81  }
82}
83
84// Starts the poll once; `mod` names the mod's folder under mods-data.
85export async function startBridge($: EngineInterface, mod: string) {
86  if (isStarted) return
87  isStarted = true
88  try {
89    folder = await folderOf($, mod)
90    if (!folder) return
91    $.clock.every(POLL_MS, () => void tick($))
92    await tick($)
93  } catch {
94    // Without the bridge the mod keeps to what it finds on its own.
95  }
96}
97
98// A session ended: what its file still holds is delivered; the SessionEnd command hook deletes the file.
99export async function endBridge($: EngineInterface, session: string) {
100  if (!folder || !session) return
101  try {
102    await poll($, session)
103  } catch {
104    // The next read of the file delivers it.
105  }
106}
107

1// hooks/card.tsx, by v-amorim
2// Shared sticky card; every mod whose pane has a card carries the same copy.
3import type { RenderElement } from 'claude-code'
4
5import { cardFill } from './look'
6import { THEME } from './theme'
7
8// Rows above the card: the heading, the status line and the gap under them.
9export const HEAD_ROWS = 3
10
11type Elements = { Box: (props: any) => RenderElement; Text: (props: any) => RenderElement }
12
13// The card's space in the pane's flow; the section under it brings its own blank row, so the list starts one row clear of the border.
14export const cardSpace = ({ Box }: Pick<Elements, 'Box'>, rows: number) => <Box key="card-space" height={rows} marginTop={1} flexShrink={0} />
15
16// Drawn last over the list at the top of the view; the painted row under it keeps a scrolled row off the border.
17export function stickyCard(elements: Elements, offset: number, columns: number, rows: number, body: unknown, hue: string = THEME.accent) {
18  const { Box } = elements
19  return (
20    <Box key="card-wrap" position="absolute" top={Math.max(HEAD_ROWS, offset)} left={1} width={Math.max(10, columns - 2)} height={rows + 1} flexDirection="column">
21      <Box
22        key="card"
23        height={rows}
24        flexDirection="column"
25        paddingX={1}
26        overflow="hidden"
27        borderStyle="round"
28        borderColor={THEME.border}
29        backgroundColor={cardFill(hue)}
30      >
31        {body}
32      </Box>
33      <Box key="card-gap" height={1} backgroundColor={THEME.bg} />
34    </Box>
35  )
36}
37

1// hooks/entry.tsx, by v-amorim
2// Shared pill entry; every mod that draws a menu entry carries the same copy.
3import type { ClientModule, ClientSurface } from 'claude-code'
4
5import style from './style'
6import { CAPS, mix, THEME, WASH } from './theme'
7
8// color: open text (a red Run); idle: closed text, muted unless set; isBusy shimmers the label until the click's result lands.
9// still: the mod's animations setting is off, so nothing shimmers and the hover color switches at once.
10// lead: a bare glyph before the label in leadColor (after a space, none when tight: the cap is the gap); subLead: an icon before it as a rounded subpill in subLeadColor;
11// badge: a count after it in its own pill. Subpills are capped where `nerd` has the caps.
12// tight: no label padding; tip: posts `tip` instead of `menu-hover`; rail: a divider (a Text between Clients squeezes them); rule: a full-width hairline.
13// spinner: the braille dots lead the label in accent while work runs (write the label without its …); still holds the first frame.
14export type EntryProps = {
15  id: string
16  label: string
17  isOpen: boolean
18  bg: string
19  color?: string
20  idle?: string
21  isBusy?: boolean
22  still?: boolean
23  lead?: string
24  leadColor?: string
25  subLead?: string
26  subLeadColor?: string
27  badge?: { text: string; color: string; bg: string }
28  nerd?: boolean
29  tight?: boolean
30  tip?: Tip
31  rail?: boolean
32  rule?: boolean
33  spinner?: boolean
34  compact?: boolean // false: the pill row may cut the entry to its lead when the row is wider than the band
35}
36
37const entryText = (props: EntryProps) => {
38  const pad = props.tight ? (props.isOpen && !props.nerd ? ' ' : '') : ' '
39  return `${pad}${props.compact && props.lead ? '' : props.label}${props.tight && props.badge ? ' ' : pad}`
40}
41
42// The cells an entry takes; subpills add their two caps, or their two padding spaces in safe mode.
43export const entryCells = (props: EntryProps) => {
44  if (props.rail) return 1
45  const cells = (text: string) => [...text].length
46  const leadText = props.lead ?? (props.spinner ? SPIN_FRAMES[0]! : '')
47  const lead = leadText ? cells(leadText) + (props.tight ? 0 : 1) : 0
48  return lead + (props.subLead ? cells(props.subLead) + 2 : 0) + cells(entryText(props)) + (props.badge ? cells(props.badge.text) + 2 : 0)
49}
50
51// A hovered control's glyph, label and what it does; the pane footer and the band's tip row both show it.
52export type Tip = { glyph: string; label: string; text: string }
53
54// Posted to the owning mod's ui.message when the pointer enters a control (id set) or leaves it (id null).
55export type TipMessage = { type: 'tip'; id: string | null; glyph?: string; label?: string; text?: string }
56
57export const isTipMessage = (data: unknown): data is TipMessage => (data as TipMessage | undefined)?.type === 'tip'
58
59// The band's tip row text for a tip message: "Label: what it does", or '' once the pointer left.
60export const tipText = (message: TipMessage | null | undefined) => (message?.id && message.label ? `${message.label}: ${message.text ?? ''}` : '')
61
62// A control calls this from onPointer, with its tip on enter and null on leave; never also `menu-hover`, one post per frame lands.
63export const postTip = (surface: { post: (data: any) => void }, id: string, tip: Tip | null) => {
64  surface.post((tip ? { type: 'tip', id, glyph: tip.glyph, label: tip.label, text: tip.text } : { type: 'tip', id: null }) satisfies TipMessage)
65}
66
67// menu-hover tells the owning mod the pointer arrived or left, so it can show its tip under the row.
68export type EntryMessage = { type: 'menu-entry'; id: string } | { type: 'menu-hover'; id: string; isOver: boolean }
69
70// A dialog opening under the pointer can swallow the leave event, so a hover with no pointer event for this long ends on its own.
71const HOVER_QUIET_MS = 5000
72
73export const TICK_MS = 140
74
75// The loading shimmer: a soft primary-70 band sweeps the dim text, then a pause.
76const BAND = style.colors.shimmer
77const SWEEP_PAUSE = 8
78
79export const shimmerColor = (at: number, phase: number, length: number) => {
80  const period = length + BAND.length * 2 + SWEEP_PAUSE
81  const head = (phase % period) - BAND.length
82  return BAND[Math.abs(at - head)] ?? style.colors.pills.readout
83}
84
85// The braille dots spinner, one frame every SPIN_MS, in accent.
86export const SPIN_FRAMES = [...style.marks.spinner]
87export const SPIN_MS = 80
88
89// The pointer lights a control at once and its color fades out over this many steps, one every HOVER_TICK_MS.
90export const HOVER_STEPS = 2
91
92export const HOVER_TICK_MS = 60
93
94export { mix }
95
96// One step of a hover fade: full at once while the pointer is on, one step toward 0 once it left.
97export const stepToward = (level: number, isOver: boolean) => (isOver ? HOVER_STEPS : Math.max(0, level - 1))
98
99// Even steps: an eased last step barely moves the color, so the fade seemed to hang at its end.
100export const hoverMix = (from: string, to: string, level: number) => mix(from, to, level / HOVER_STEPS)
101
102// A click shimmers the entry until the mod answers with new props, or this long at most.
103const PRESS_MS = 1200
104
105// pressed: the props a click saw and when it came, cleared once the mod answers.
106type State = { isOver: boolean; at: number; phase: number; level?: number; spin?: number; pressed?: { props: string; at: number } }
107
108const isPressed = (state: State | undefined, props: EntryProps | undefined) =>
109  Boolean(state?.pressed && Date.now() - state.pressed.at < PRESS_MS && state.pressed.props === JSON.stringify(props))
110
111// Each instance's running fade-out timer, started by the leave event and stopped at 0 or when the pointer returns.
112const fades = new WeakMap<object, () => void>()
113
114const startFade = (surface: ClientSurface<State>) => {
115  if (fades.has(surface)) return
116  const stop = surface.every(HOVER_TICK_MS, () => {
117    const { state } = surface
118    if (!state) return
119    const level = stepToward(state.level ?? 0, state.isOver)
120    if (level !== (state.level ?? 0)) surface.setState({ ...state, level })
121    if (state.isOver || level === 0) {
122      stop()
123      fades.delete(surface)
124    }
125  })
126  fades.set(surface, stop)
127}
128
129// The ticker reads the latest props from here, since its closure keeps the first ones.
130const latest = new WeakMap<object, EntryProps>()
131
132// Each instance's running tick: it runs only while a shimmer moves or a hover is watched, so idle pills cost no wakeups.
133const ticks = new WeakMap<object, () => void>()
134
135const startTick = (surface: ClientSurface<State>) => {
136  if (ticks.has(surface)) return
137  const stop = surface.every(TICK_MS, () => {
138    const { state } = surface
139    if (!state) return
140    const now = latest.get(surface)
141    if (!now?.still && (now?.isBusy || isPressed(state, now))) surface.setState({ ...state, phase: state.phase + 1 })
142    else if (state.pressed) surface.setState({ ...state, pressed: undefined })
143    else if (state.isOver && Date.now() - state.at >= HOVER_QUIET_MS) {
144      surface.setState({ ...state, isOver: false, at: Date.now() })
145      if (!now?.still) startFade(surface)
146      const id = now?.id ?? ''
147      if (now?.tip) postTip(surface, id, null)
148      else surface.post({ type: 'menu-hover', id, isOver: false } satisfies EntryMessage)
149    } else if (!state.isOver) {
150      stop()
151      ticks.delete(surface)
152    }
153  })
154  ticks.set(surface, stop)
155}
156
157// Each spinning instance's frame clock, stopped once the entry stops spinning.
158const spins = new WeakMap<object, () => void>()
159
160const startSpin = (surface: ClientSurface<State>) => {
161  if (spins.has(surface)) return
162  const stop = surface.every(SPIN_MS, () => {
163    const { state } = surface
164    const now = latest.get(surface)
165    if (!state || !now?.spinner || now.still) {
166      stop()
167      spins.delete(surface)
168      return
169    }
170    surface.setState({ ...state, spin: (state.spin ?? 0) + 1 })
171  })
172  spins.set(surface, stop)
173}
174
175// A Button inverts under the pointer, so the entry is plain text that lights up like a sidebar row.
176const Entry: ClientModule<EntryProps, State> = (props, surface) => {
177  const { Box, Text } = surface.elements
178  if (props.rail) return <Text color={style.colors.pills.separator} backgroundColor={props.bg}>{style.marks.rail}</Text>
179  if (props.rule) return <Text color={THEME.border} backgroundColor={props.bg}>{style.marks.rule.repeat(Math.max(1, surface.columns))}</Text>
180  const hovered = surface.state?.isOver === true
181  latest.set(surface, props)
182
183  if (!surface.state) surface.setState({ isOver: false, at: 0, phase: 0 })
184  if (props.isBusy && !props.still) startTick(surface)
185  if (props.spinner && !props.still) startSpin(surface)
186
187  surface.onPointer(event => {
188    startTick(surface)
189    const over = event.type !== 'leave'
190    if (over !== hovered) {
191      if (props.tip) postTip(surface, props.id, over ? props.tip : null)
192      else surface.post({ type: 'menu-hover', id: props.id, isOver: over } satisfies EntryMessage)
193    }
194    const isClick = event.type === 'down' && event.button === 'left'
195    const base = surface.state ?? { phase: 0, isOver: false, at: 0 }
196    const level = over === base.isOver ? base.level : over ? HOVER_STEPS : props.still ? 0 : base.level
197    if (!over && !props.still) startFade(surface)
198    surface.setState({ ...base, isOver: over, at: Date.now(), level, pressed: isClick ? { props: JSON.stringify(props), at: Date.now() } : base.pressed })
199    if (isClick) surface.post({ type: 'menu-entry', id: props.id } satisfies EntryMessage)
200  })
201
202  const text = entryText(props)
203  const isShimmering = !props.still && (props.isBusy || isPressed(surface.state, props))
204  const phase = surface.state?.phase ?? 0
205  const label = isShimmering ? (
206    <Box key="label" flexDirection="row">
207      {[...text].map((char, at) => (
208        <Text key={`c${at}`} color={shimmerColor(at, phase, text.length)} backgroundColor={props.bg}>
209          {char}
210        </Text>
211      ))}
212    </Box>
213  ) : (
214    <Text key="label" color={hoverMix(props.isOpen ? (props.color ?? THEME.onSurface) : (props.idle ?? THEME.muted), THEME.accent, surface.state?.level ?? 0)} bold={props.isOpen && Boolean(props.idle)} backgroundColor={props.bg}>
215      {text.split(style.marks.sep).flatMap((part, at) => (at === 0 ? [part] : [<Text key={`sep-${at}`} color={style.colors.pills.separator}>{style.marks.sep}</Text>, part]))}
216    </Text>
217  )
218  const lead = props.spinner ? SPIN_FRAMES[props.still ? 0 : (surface.state?.spin ?? 0) % SPIN_FRAMES.length] : props.lead
219  if (!lead && !props.subLead && !props.badge) return isShimmering ? <Box flexDirection="row">{label}</Box> : label
220
221  const sub = (key: string, text: string, color: string, bg: string) => (
222    <Box key={key} flexDirection="row">
223      {props.nerd ? <Text key={`${key}-left`} color={bg} backgroundColor={props.bg}>{CAPS.left}</Text> : null}
224      <Text key={`${key}-text`} color={color} backgroundColor={bg} bold>{props.nerd ? text : ` ${text} `}</Text>
225      {props.nerd ? <Text key={`${key}-right`} color={bg} backgroundColor={props.bg}>{CAPS.right}</Text> : null}
226    </Box>
227  )
228  const subHue = props.subLeadColor ?? THEME.accent
229  const { badge } = props
230  return (
231    <Box flexDirection="row">
232      {lead ? <Text key="lead" color={props.spinner ? THEME.accent : (props.leadColor ?? THEME.accent)} backgroundColor={props.bg}>{props.tight ? lead : ` ${lead}`}</Text> : null}
233      {props.subLead ? sub('sub-lead', props.subLead, subHue, mix(subHue, props.bg, WASH)) : null}
234      {label}
235      {badge ? sub('badge', badge.text, badge.color, badge.bg) : null}
236    </Box>
237  )
238}
239
240export default Entry
241

1// hooks/look.tsx, by v-amorim
2// Shared look; every mod carries the same copy.
3import type { RenderElement } from 'claude-code'
4
5import style from './style'
6import type { Tip } from './entry'
7import { CAPS, decodeAll, MARK, mix, THEME, WASH } from './theme'
8
9type Glyphs = Omit<typeof style.glyphs.nerd, 'icon' | 'mark'> & { icon: Record<string, string>; mark: Record<string, string> }
10
11// Safe mode: common Unicode that every modern terminal font draws. Headings and rows carry no icon.
12const SAFE: Glyphs = decodeAll(style.glyphs.safe)
13
14// Nerd mode: Font Awesome, Material and VS Code glyphs from any Nerd Font, controls padded to the same three cells.
15const NERD: Glyphs = decodeAll(style.glyphs.nerd)
16
17export type Look = { nerd: boolean; glyph: typeof SAFE }
18
19export const lookFor = (nerd: boolean): Look => ({ nerd, glyph: nerd ? NERD : SAFE })
20
21// The icons setting every drawing mod declares in its userConfig.
22export type IconMode = 'auto' | 'nerd' | 'safe'
23
24export const terminalSettings = (localAppData: string) => [
25  `${localAppData}/Packages/Microsoft.WindowsTerminal_8wekyb3d8bbwe/LocalState/settings.json`,
26  `${localAppData}/Microsoft/Windows Terminal/settings.json`,
27]
28
29// Matches "Fira Code Nerd Font Mono" and the patched suffixes NF, NFM and NFP, as in "FiraCodeNFM-Reg".
30export const isNerdName = (face: string) => /nerd|\bNFM?\b/i.test(face) || /NF[MP]?(?![A-Za-z])/.test(face)
31
32export const isNerdFace = (settingsText: string) => [...settingsText.matchAll(/"face"\s*:\s*"([^"]*)"/g)].some(match => isNerdName(match[1]!))
33
34// The variables that name the terminal: WT_SESSION from Windows Terminal, TERM_PROGRAM from programs such as mintty and iTerm2.
35export type TerminalEnv = Partial<
36  Record<'WT_SESSION' | 'TERM_PROGRAM' | 'ITERM_PROFILE' | 'KITTY_WINDOW_ID' | 'ALACRITTY_WINDOW_ID' | 'GNOME_TERMINAL_SCREEN' | 'KONSOLE_VERSION', string | undefined>
37>
38
39// What detection reads: files by path, and the stdout of a command that exits 0 (it throws otherwise).
40export type Host = { localAppData: string; home: string; read: (path: string) => Promise<string>; run: (argv: string[]) => Promise<string> }
41
42// mintty inherits WT_SESSION from a Windows Terminal tab, so only an unset or Windows Terminal TERM_PROGRAM counts.
43export const isWindowsTerminal = ({ WT_SESSION, TERM_PROGRAM }: TerminalEnv) =>
44  Boolean(WT_SESSION) && (!TERM_PROGRAM || /windows\s*terminal/i.test(TERM_PROGRAM))
45
46// Terminals whose font sits in a text config: the first file that names a font wins, and within a file the first pattern.
47const CONFIG_TERMINALS: { is: (env: TerminalEnv) => boolean; files: (host: Host) => string[]; faces: RegExp[] }[] = [
48  {
49    is: env => env.TERM_PROGRAM === 'vscode',
50    files: ({ home, localAppData }) => [
51      `${home}/Library/Application Support/Code/User/settings.json`,
52      `${home}/.config/Code/User/settings.json`,
53      `${localAppData.replace(/\/Local$/, '/Roaming')}/Code/User/settings.json`,
54    ],
55    faces: [/"terminal\.integrated\.fontFamily"\s*:\s*"([^"]*)"/, /"editor\.fontFamily"\s*:\s*"([^"]*)"/],
56  },
57  {
58    is: env => env.TERM_PROGRAM === 'ghostty',
59    files: ({ home }) => [`${home}/.config/ghostty/config`, `${home}/Library/Application Support/com.mitchellh.ghostty/config`],
60    faces: [/^\s*font-family\s*=\s*"?([^"\n#]+)/m],
61  },
62  {
63    is: env => Boolean(env.KITTY_WINDOW_ID),
64    files: ({ home }) => [`${home}/.config/kitty/kitty.conf`],
65    faces: [/^\s*font_family\s+(.+)$/m],
66  },
67  {
68    is: env => env.TERM_PROGRAM === 'WezTerm',
69    files: ({ home }) => [`${home}/.wezterm.lua`, `${home}/.config/wezterm/wezterm.lua`],
70    faces: [/wezterm\.font(?:_with_fallback)?\(\s*\{?\s*["']([^"']+)["']/],
71  },
72  {
73    is: env => Boolean(env.ALACRITTY_WINDOW_ID),
74    files: ({ home }) => [`${home}/.config/alacritty/alacritty.toml`],
75    faces: [/\[font\.normal\][^[]*?family\s*=\s*"([^"]+)"/],
76  },
77]
78
79// iTerm2 keeps its profiles in a plist; plutil prints the part asked for. The profile is the one this window runs, else the default.
80async function itermFace(env: TerminalEnv, host: Host) {
81  const plist = `${host.home}/Library/Preferences/com.googlecode.iterm2.plist`
82  const profiles: { Name?: string; Guid?: string; 'Normal Font'?: string }[] = JSON.parse(await host.run(['plutil', '-extract', 'New Bookmarks', 'json', '-o', '-', plist]))
83  const named = profiles.find(profile => profile.Name === env.ITERM_PROFILE)
84  if (named) return named['Normal Font']
85  const guid = (await host.run(['plutil', '-extract', 'Default Bookmark Guid', 'raw', '-o', '-', plist])).trim()
86  return profiles.find(profile => profile.Guid === guid)?.['Normal Font']
87}
88
89// GNOME Terminal keeps the default profile's font in dconf, and ignores it while the profile uses the system font.
90async function gnomeFace(host: Host) {
91  const unquote = (text: string) => text.trim().replace(/^'|'$/g, '')
92  const schema = `org.gnome.Terminal.Legacy.Profile:/org/gnome/terminal/legacy/profiles:/:${unquote(await host.run(['gsettings', 'get', 'org.gnome.Terminal.ProfilesList', 'default']))}/`
93  if (unquote(await host.run(['gsettings', 'get', schema, 'use-system-font'])) === 'true') return undefined
94  return unquote(await host.run(['gsettings', 'get', schema, 'font']))
95}
96
97// Konsole names its profile in konsolerc, and the profile file holds `Font=Name,size,...`.
98async function konsoleFace(host: Host) {
99  const profile = /^DefaultProfile=(.+)$/m.exec(await host.read(`${host.home}/.config/konsolerc`))?.[1]?.trim()
100  return profile ? /^Font=([^,\n]+)/m.exec(await host.read(`${host.home}/.local/share/konsole/${profile}`))?.[1] : undefined
101}
102
103async function configFace(terminal: (typeof CONFIG_TERMINALS)[number], host: Host) {
104  for (const path of terminal.files(host)) {
105    const text = await host.read(path).catch(() => '')
106    for (const pattern of terminal.faces) {
107      const face = pattern.exec(text)?.[1]
108      if (face) return face
109    }
110  }
111  return undefined
112}
113
114function terminalFace(env: TerminalEnv, host: Host) {
115  if (env.TERM_PROGRAM === 'iTerm.app') return itermFace(env, host)
116  if (env.GNOME_TERMINAL_SCREEN) return gnomeFace(host)
117  if (env.KONSOLE_VERSION) return konsoleFace(host)
118  const terminal = CONFIG_TERMINALS.find(candidate => candidate.is(env))
119  return terminal ? configFace(terminal, host) : Promise.resolve(undefined)
120}
121
122// Every mod looks up the font on start at once, so a lookup can fail by chance; a third failure throws and the caller keeps its saved answer.
123async function retried<T>(attempt: () => Promise<T>, tries = 3): Promise<T> {
124  for (let left = tries - 1; ; left--) {
125    try {
126      return await attempt()
127    } catch (error) {
128      if (left === 0) throw error
129    }
130  }
131}
132
133// Nerd glyphs only when the terminal this window runs in names a Nerd font; an unknown terminal stays safe, and a lookup that keeps failing throws.
134export async function detectNerd(env: TerminalEnv, host: Host) {
135  if (isWindowsTerminal(env)) {
136    for (const path of terminalSettings(host.localAppData)) {
137      if (isNerdFace(await host.read(path).catch(() => ''))) return true
138    }
139    return false
140  }
141  const face = await retried(() => terminalFace(env, host))
142  return face !== undefined && isNerdName(face)
143}
144
145// `text` led by its icon in Nerd mode; the text alone in safe mode or when the name has no icon.
146export const withIcon = (look: Look, name: string, text: string) => (look.glyph.icon[name] ? `${look.glyph.icon[name]} ${text}` : text)
147
148// A status note with its leading mark (MARK.warn or MARK.ok from theme.ts) drawn as this look's glyph.
149export function withMark(look: Look, note: string) {
150  if (note.startsWith('! ')) return `${look.glyph.warn} ${note.slice(2)}`
151  if (note.startsWith('✓ ')) return `${look.glyph.ok} ${note.slice(2)}`
152  return note
153}
154
155type Elements = { Box: (props: any) => RenderElement; Text: (props: any) => RenderElement }
156
157// A pane's title line: the name's icon in Nerd mode, the safe mark otherwise.
158export const paneTitle = ({ Text }: Elements, look: Look, icon: string, text: string) => (
159  <Text key="pane-title" color={THEME.accent} bold>{`${look.glyph.icon[icon] ?? look.glyph.title} ${text}`}</Text>
160)
161
162// One line of text in `color` with every separator dot in the separator colour, since a dot in the text's colour reads as part of the words.
163export function sepText({ Text }: Pick<Elements, 'Text'>, text: string, color: string, key: string, props: Record<string, unknown> = {}) {
164  return (
165    <Text key={key} {...props}>
166      {text.split(MARK.sep).flatMap((part, at) => [
167        ...(at > 0 ? [<Text key={`${key}-sep-${at}`} color={style.colors.pills.separator}>{MARK.sep}</Text>] : []),
168        <Text key={`${key}-part-${at}`} color={color}>{part}</Text>,
169      ])}
170    </Text>
171  )
172}
173
174// The footer rows every pane reserves at its bottom: a rule, then the hovered control's glyph, label and what it does.
175export const FOOTER_ROWS = 2
176
177// A Button cannot post a tip, so its tip is drawn hidden and shown by the hover group the Button's pill shares.
178export type Reveal = { scope: string; tip: Tip }
179
180const tipRow = ({ Box, Text }: Elements, key: string, tip: Tip | null, columns: number, extra: Record<string, unknown> = {}) => (
181  <Box key={key} flexDirection="row" paddingX={1} width={columns} height={1} backgroundColor={THEME.bg} {...extra}>
182    {tip ? <Text color={THEME.accent} backgroundColor={THEME.bg}>{tip.glyph}</Text> : null}
183    {tip ? <Box flexShrink={0}><Text color={THEME.onSurface} backgroundColor={THEME.bg}>{` ${tip.label}`}</Text></Box> : null}
184    {tip ? sepText({ Text }, ` ${MARK.sep} ${tip.text}`, THEME.muted, `${key}-text`, { backgroundColor: THEME.bg, wrap: 'truncate-end' }) : <Text backgroundColor={THEME.bg}> </Text>}
185  </Box>
186)
187
188// Pinned at the pane bottom (scroll offset plus body rows) on its own background, so no row shows through; the row under the rule stays blank with no tip, so nothing jumps.
189export function paneFooter(elements: Elements, tip: Tip | null, columns: number, scroll: { offset: number; bodyRows: number }, reveals: Reveal[] = []) {
190  const { Box, Text } = elements
191  return (
192    <Box key="pane-footer" position="absolute" top={Math.max(0, scroll.offset + scroll.bodyRows - FOOTER_ROWS)} left={0} width={columns} height={FOOTER_ROWS} flexDirection="column" backgroundColor={THEME.bg}>
193      <Text key="footer-rule" color={THEME.border} backgroundColor={THEME.bg}>{MARK.rule.repeat(Math.max(1, columns))}</Text>
194      {tipRow(elements, 'footer-tip', tip, columns)}
195      {reveals.map((reveal, at) =>
196        tipRow(elements, `footer-reveal-${at}`, reveal.tip, columns, { position: 'absolute', top: 1, left: 0, display: 'none', hover: { scope: reveal.scope, display: 'flex' } }),
197      )}
198    </Box>
199  )
200}
201
202// A pill's leading icon, mark or digit, or its count: a rounded subpill washed from `hue` into the `fill` it sits on.
203export function subpill({ Box, Text }: Elements, nerd: boolean, fill: string, text: string, key: string, hue: string = THEME.accent) {
204  const bg = mix(hue, fill, WASH)
205  return (
206    <Box key={key} flexDirection="row" flexShrink={0}>
207      {nerd ? <Text key={`${key}-left`} color={bg} backgroundColor={fill}>{CAPS.left}</Text> : null}
208      <Text key={`${key}-text`} color={hue} backgroundColor={bg} bold>{nerd ? text : ` ${text} `}</Text>
209      {nerd ? <Text key={`${key}-right`} color={bg} backgroundColor={fill}>{CAPS.right}</Text> : null}
210    </Box>
211  )
212}
213
214// A section's heading: a surface3 pill led by its icon as a subpill in Nerd mode, bold accent text in safe mode.
215export function heading(elements: Elements, look: Look, key: string, icon: string, title: string) {
216  const { Box, Text } = elements
217  if (!look.nerd) {
218    return (
219      <Box key={`${key}-head`}>
220        <Text color={THEME.accent} bold>{title}</Text>
221      </Box>
222    )
223  }
224  const glyph = look.glyph.icon[icon]
225  return (
226    <Box key={`${key}-head`} flexDirection="row">
227      <Text color={THEME.surface3}>{CAPS.left}</Text>
228      <Box key={`${key}-head-body`} flexDirection="row" backgroundColor={THEME.surface3}>
229        {glyph ? subpill(elements, true, THEME.surface3, glyph, `${key}-head-icon`) : null}
230        <Text color={THEME.onSurface} bold>{glyph ? ` ${title}` : title}</Text>
231      </Box>
232      <Text color={THEME.surface3}>{CAPS.right}</Text>
233    </Box>
234  )
235}
236
237// A card's fill: surface1 washed lightly toward its hue, under a neutral border. Pills on the card sit on it.
238export const cardFill = (hue: string = THEME.accent) => mix(THEME.surface1, hue, 0.06)
239
240// The row above a card, painted on bg so a scrolled card above never shows through the gap.
241export function cardGap({ Box }: Elements, key: string, bg: string = THEME.bg) {
242  return <Box key={`${key}-gap`} height={1} flexShrink={0} backgroundColor={bg} />
243}
244
245// A card's title laid over its top border after the corner (`top` is the border's row); Pane refuses borderTop, so the border stays whole underneath.
246export function titleEdge(elements: Elements, look: Look, key: string, icon: string, title: string, hint = '', top = 1, edge: string = THEME.border) {
247  const { Box, Text } = elements
248  const glyph = look.nerd ? look.glyph.icon[icon] : undefined
249  return (
250    <Box key={`${key}-edge`} position="absolute" top={top} left={1} flexDirection="row" height={1} backgroundColor={THEME.bg}>
251      <Text color={edge}>{`${MARK.rule} `}</Text>
252      {glyph ? <Text color={THEME.accent}>{`${glyph} `}</Text> : null}
253      {sepText(elements, title, THEME.onSurface, `${key}-title`, { bold: true })}
254      {hint ? sepText(elements, ` ${hint}`, THEME.muted, `${key}-hint`) : null}
255      <Text> </Text>
256    </Box>
257  )
258}
259
260// A round card tinted toward `hue`, its title (and muted `hint`) set into the top edge, `right` (such as Fold all) at that edge's end.
261export function section(elements: Elements, look: Look, key: string, icon: string, title: string, body: unknown, hue: string = THEME.accent, { hint = '', right }: { hint?: string; right?: unknown } = {}) {
262  const { Box } = elements
263  return (
264    <Box key={`${key}-block`} flexDirection="column">
265      {cardGap(elements, key)}
266      <Box key={key} flexDirection="column" borderStyle="round" borderColor={THEME.border} backgroundColor={cardFill(hue)} paddingX={1}>
267        {body}
268      </Box>
269      {title ? titleEdge(elements, look, key, icon, title, hint) : null}
270      {right ? (
271        <Box key={`${key}-edge-right`} position="absolute" top={1} right={1} flexDirection="row" height={1} backgroundColor={THEME.bg}>
272          {right}
273        </Box>
274      ) : null}
275    </Box>
276  )
277}
278
279

1// hooks/pills.tsx, by v-amorim
2// Shared pill row; every mod that draws in the row carries the same copy.
3import type { RenderElement } from 'claude-code'
4
5import { entryCells, mix, type EntryProps, type Tip } from './entry'
6import style from './style'
7import { CAPS, decodeAll, THEME, WASH } from './theme'
8
9// The menu group on Moonlight surface-3, readouts on surface-2.
10export const PILL = { primary: style.colors.pills.primary, secondary: style.colors.pills.secondary }
11
12// Menu entries left to right, by the id in their `menu-pad-<id>` Box key; an unknown id goes last.
13const ENTRY_ORDER = ['manager', 'skills', 'prompts', 'filetree', 'progress', 'headsup']
14
15type Node = { props?: Record<string, unknown>; children?: unknown[] } | null | undefined
16type Elements = { Box: (props: any) => RenderElement; Text: (props: any) => RenderElement }
17
18const keyOf = (node: unknown) => (node as Node)?.props?.key as string | undefined
19const childrenOf = (node: unknown) => (node as Node)?.children ?? []
20
21// Splits next(e) into the menu entries other mods drew, the rest of the row, what else the band holds, and the hover tip under the row.
22export function splitRow(others: unknown) {
23  if (keyOf(others) !== 'menu-rows') return { group: [] as unknown[], row: [] as unknown[], rest: [others], tip: null as unknown }
24  const children = childrenOf(others)
25  const rest = children.filter(child => keyOf(child) !== 'menu-row' && keyOf(child) !== 'menu-tip')
26  const pills = childrenOf(children.find(child => keyOf(child) === 'menu-row'))
27  const groupPill = pills.find(child => keyOf(child) === 'menu-group')
28  const body = childrenOf(groupPill).find(child => keyOf(child) === 'menu-group-body')
29  return {
30    // A mod still running an older copy may draw `menu-group-sep-*` separators between entries; the group drops them.
31    group: childrenOf(body).filter(child => !keyOf(child)?.startsWith('menu-group-sep')),
32    row: pills.filter(child => keyOf(child) !== 'menu-group'),
33    rest,
34    tip: children.find(child => keyOf(child) === 'menu-tip') ?? null,
35  }
36}
37
38// The one-line tip above the pill row, filled while the pointer is on an entry: its "Name:" in bold accent, the rest muted.
39export const tipLine = ({ Box, Text }: Elements, text: string) => {
40  const at = text.indexOf(': ')
41  return (
42    <Box key="menu-tip" paddingLeft={2} flexDirection="row">
43      {at < 0 ? null : <Text color={THEME.accent} bold>{text.slice(0, at + 1)}</Text>}
44      <Text color={THEME.muted}>
45        {(at < 0 ? text : text.slice(at + 1)).split(style.marks.sep).flatMap((part, index) => (index === 0 ? [part] : [<Text key={`sep-${index}`} color={style.colors.pills.separator}>{style.marks.sep}</Text>, part]))}
46      </Text>
47    </Box>
48  )
49}
50
51// One pill with its own caps where the font has them; `on` is what it sits on, `hover` lights the caps with a Button scoped `key`.
52export function pill({ Box, Text }: Elements, nerd: boolean, bg: string, body: unknown, key = 'menu-pill', on?: string, hover?: string) {
53  const under = on ? { backgroundColor: on } : {}
54  const lit = hover ? { hover: { scope: key, color: hover } } : {}
55  return (
56    <Box key={key} flexDirection="row">
57      {nerd ? <Text key={`${key}-cap-left`} color={bg} {...under} {...lit}>{CAPS.left}</Text> : null}
58      <Box key={`${key}-body`} flexDirection="row" backgroundColor={bg}>
59        {body}
60      </Box>
61      {nerd ? <Text key={`${key}-cap-right`} color={bg} {...under} {...lit}>{CAPS.right}</Text> : null}
62    </Box>
63  )
64}
65
66// mod-menu's `labels`: `always` icon and label, `never` the icon alone, `auto` the icon alone while the row overflows (Nerd only; safe keeps labels).
67export type LabelsMode = 'auto' | 'always' | 'never'
68
69// The value of `{ plugin: 'mod-menu', key: 'labels' }` as a mode; a missing or unknown value is `auto`, so a mod works without mod-menu.
70export const labelsOf = (value: unknown): LabelsMode => (value === 'always' || value === 'never' ? value : 'auto')
71
72type ClientNode = { type: 'Client'; props: { props: Record<string, unknown> } }
73const isClient = (node: unknown): node is ClientNode => (node as { type?: string } | null)?.type === 'Client'
74
75// The cells a drawn row takes with every label shown: a Client that may go compact says its own `cells`, or is an entry.tsx one.
76const cellsOf = (node: unknown): number => {
77  if (Array.isArray(node)) return node.reduce((sum: number, each) => sum + cellsOf(each), 0)
78  if (typeof node === 'string') return [...node].length
79  if (!node || typeof node !== 'object') return 0
80  if (isClient(node)) {
81    const { props } = node.props
82    return typeof props.cells === 'number' ? props.cells : entryCells({ ...(props as EntryProps), compact: false })
83  }
84  // A `menu-flash` word comes and goes with the pointer; counting it would flip the row under the pointer.
85  const kids = childrenOf(node).filter(each => each && !keyOf(each)?.startsWith('menu-flash'))
86  return kids.reduce((sum: number, each) => sum + cellsOf(each), Number((node as Node)?.props?.columnGap ?? 0) * Math.max(0, kids.length - 1))
87}
88
89const compacted = (node: unknown): unknown => {
90  if (Array.isArray(node)) return node.map(compacted)
91  if (!node || typeof node !== 'object') return node
92  if (isClient(node)) return node.props.props.compact === false ? { ...node, props: { ...node.props, props: { ...node.props.props, compact: true } } } : node
93  const kids = (node as Node)?.children
94  return kids ? { ...node, children: kids.map(compacted) } : node
95}
96
97// A panel's entry in the menu group, keyed `menu-pad-<id>` for the row's order; the open one is a pill of its own.
98export function menuEntry({ Box, Client, Text }: Elements & { Client: (props: any) => RenderElement }, nerd: boolean, id: string, { labels, ...props }: Omit<EntryProps, 'id' | 'bg' | 'tight'> & { labels?: LabelsMode }) {
99  // The open panel reads as selected, like an On switch: ok text on ok washed into the group fill.
100  const bg = props.isOpen ? mix(THEME.ok, PILL.primary, WASH) : PILL.primary
101  const glyph = (style.glyphs.nerd.icon as Record<string, string>)[`menu-${id}`]
102  const icon = nerd && !props.lead && glyph ? decodeAll(glyph) : undefined
103  // The icon sits tight against the cap, so the label that follows brings its own gap.
104  const shown = icon ? { lead: icon, label: labels === 'never' ? '' : ` ${props.label}`, ...(labels === 'auto' ? { compact: false } : {}) } : {}
105  // On Nerd the caps take the label's padding cells, so an entry is as wide as before the caps.
106  const entry = <Client key={`menu-entry-${id}`} module="./entry.tsx" height={1} props={{ id, bg, ...props, ...(props.isOpen ? { color: THEME.ok } : {}), ...shown, nerd, tight: nerd } satisfies EntryProps} />
107  return (
108    <Box key={`menu-pad-${id}`} flexDirection="row">
109      {/* A closed entry gets caps in the group's own color, so opening a panel never shifts its neighbours. */}
110      {pill({ Box, Text }, nerd, bg, entry, props.isOpen ? `menu-open-${id}` : `menu-closed-${id}`, PILL.primary)}
111    </Box>
112  )
113}
114
115// The band above the prompt: what else it holds (Claude Code's own effort line), then the pill row, so the pills sit on the input.
116export function pillRow(elements: Elements & { Client?: (props: any) => RenderElement }, nerd: boolean, group: unknown[], row: unknown[], rest: unknown[], tip: unknown = null, columns?: number) {
117  const { Box, Client, Text } = elements
118  // Load order changes with an install or a toggle, so entries sort by a fixed rank.
119  const rank = (entry: unknown) => {
120    const at = ENTRY_ORDER.indexOf(String(keyOf(entry) ?? '').replace(/^menu-pad-/, ''))
121    return at < 0 ? ENTRY_ORDER.length : at
122  }
123  // Like a choice bar: the entries side by side on one pill, the open panel's lifted into its own, a divider Client between neighbours.
124  const sorted = [...group].sort((a, b) => rank(a) - rank(b))
125  const entries = Client
126    ? sorted.flatMap((entry, at) => (at === 0 ? [entry] : [<Client key={`menu-group-sep-${at}`} module="./entry.tsx" height={1} props={{ id: `sep-${at}`, label: '', isOpen: false, bg: PILL.primary, rail: true } satisfies EntryProps} />, entry]))
127    : sorted
128  const pills = (
129    <Box key="menu-row" flexDirection="row" columnGap={1}>
130      {group.length > 0 ? pill(elements, nerd, PILL.primary, entries, 'menu-group') : null}
131      {row}
132    </Box>
133  )
134  // Measured with every label shown, so a row cut to icons never grows back into a row that does not fit.
135  const fits = columns === undefined || cellsOf(pills) <= columns
136  return (
137    <Box key="menu-rows" flexDirection="column">
138      {rest}
139      {/* Above the row, kept even when empty so nothing above jumps when a tip appears. */}
140      {tip ?? tipLine(elements, ' ')}
141      {fits ? pills : compacted(pills)}
142    </Box>
143  )
144}
145
146// One chip per view of a panel (its list, its settings), standing in for the title: id, label, icon glyph, an optional count and an optional hover tip.
147export type Tab = { id: string; label: string; icon: string; isOpen: boolean; count?: number; tip?: Tip }
148
149// A panel's title line: the open view on surface3 and bold, the others on surface2 and muted; a click swaps the view.
150export function tabRow({ Box, Client, Text }: Elements & { Client: (props: any) => RenderElement }, nerd: boolean, tabs: Tab[], still: boolean) {
151  return (
152    <Box key="tab-row" flexDirection="row" columnGap={1}>
153      {tabs.map(tab => {
154        const bg = tab.isOpen ? THEME.surface3 : THEME.surface2
155        // Client props refuse an undefined value, so a tab without a count or tip leaves the key out.
156        const countColor = tab.isOpen ? THEME.accent : style.colors.pills.readout
157        const badge = tab.count === undefined ? {} : { badge: { text: String(tab.count), color: countColor, bg: mix(countColor, bg, WASH) } }
158        const tip = tab.tip ? { tip: tab.tip } : {}
159        const entry = (
160          <Client key={tab.id} module="./entry.tsx" height={1} props={{ id: tab.id, label: tab.label, isOpen: tab.isOpen, bg, idle: THEME.muted, still, subLead: tab.icon, subLeadColor: THEME.accent, nerd, ...(tab.isOpen ? { color: THEME.secondary } : {}), ...badge, ...tip } satisfies EntryProps} />
161        )
162        return pill({ Box, Text }, nerd, bg, entry, `${tab.id}-pill`)
163      })}
164    </Box>
165  )
166}
167

1// hooks/settings.tsx, by v-amorim
2// Shared settings body; every mod carries the same copy.
3import type { ConfigRow, ConfigValue, RenderElement } from 'claude-code'
4
5import type { EntryProps, Tip } from './entry'
6import { cardFill, cardGap, section, sepText, type Look, type Reveal } from './look'
7import style from './style'
8import { CAPS, fill, MARK, THEME } from './theme'
9
10// A button a mod offers beside its settings: runs `/<command> <args>`, declared in its showcase.json.
11// isLocal marks the drawing mod's own command, which it calls directly, so Claude working does not hold it.
12export type Action = { label: string; command: string; args?: string; isLocal?: boolean }
13
14type Elements = { Box: (props: any) => RenderElement; Button: (props: any) => RenderElement; Client: (props: any) => RenderElement; Text: (props: any) => RenderElement }
15
16export type SettingsProps = {
17  // The mod's own /config rows (`<plugin>.<field>`), as $.config.list() returns them.
18  rows: ConfigRow[]
19  actions: Action[]
20  // Another mod's command run while Claude works only queues as a prompt, so those actions go inert.
21  working: boolean
22  run: (action: Action) => unknown
23  // The animations setting is off: a clicked control does not shimmer.
24  still?: boolean
25  // Hover tips by setting field (the key after the dot); a setting without one shows its description's first sentence.
26  tips?: Record<string, string>
27  // The mod's example cards, from its showcase.json, so its own panel and mod-manager draw the same ones.
28  previews?: Previews
29  // The mod's plugin.json userConfig, read by its own panel and by mod-manager alike, for the min and max a number setting declares.
30  fields?: Record<string, Range>
31  // Text settings (by field) another mod edits in its own panel: the card shows a pill running that panel's command in place of "edit it in /config".
32  editors?: Record<string, Action>
33}
34
35export type Range = { min?: number; max?: number }
36
37// A title's trailing "(unit)" is what its number reads in; the head drops it and the value carries it.
38export function splitTitle(label: string) {
39  const match = /^(.*?)\s*\(([^()]+)\)$/.exec(label)
40  return match ? { name: match[1]!, unit: match[2]! } : { name: label, unit: '' }
41}
42
43// Large round counts read short, in thousands or millions.
44const short = (n: number) => (n >= 1_000_000 && n % 100_000 === 0 ? `${n / 1_000_000}M` : n >= 10_000 && n % 1000 === 0 ? `${n / 1000}K` : String(n))
45
46export function showNumber(value: number, unit: string) {
47  if (!unit) return String(value)
48  if (unit === '%') return `${value}%`
49  return `${short(value)} ${value === 1 ? unit.replace(/s$/, '') : unit}`
50}
51
52// About twenty clicks from one end of the range to the other, on a 1, 2 or 5 step; no range steps by one.
53export function stepOf({ min, max }: Range = {}) {
54  if (min === undefined || max === undefined || max <= min) return 1
55  const raw = (max - min) / 20
56  const power = 10 ** Math.floor(Math.log10(raw))
57  const nearest = [1, 2, 5, 10].map(factor => factor * power).reduce((best, step) => (Math.abs(step - raw) < Math.abs(best - raw) ? step : best))
58  return Math.max(1, nearest)
59}
60
61export function stepNumber(value: number, by: 1 | -1, range: Range = {}) {
62  return Math.min(range.max ?? Infinity, Math.max(range.min ?? -Infinity, value + by * stepOf(range)))
63}
64
65type ThemeColor = keyof typeof THEME
66
67// A literal run of an example line, as the mod's previews test drew it from its real tree; a color is a theme name or a #hex.
68export type PreviewSpan = { text: string; color?: string; bg?: string; bold?: boolean }
69export type PreviewLine = { spans: PreviewSpan[] }
70export type Preview = { frame?: { border: string; bg: string }; nerd: PreviewLine[]; safe: PreviewLine[] }
71
72// showcase.json's "previews", written by `just previews`: per setting field, per value as text ("true", "false", an option), the card in each icon mode.
73export type Previews = Record<string, Record<string, Preview>>
74
75const shade = (color: string | undefined) => (color === undefined ? undefined : color in THEME ? THEME[color as ThemeColor] : color)
76
77// What the row's current value looks like, as a card under it; null when the mod drew none for that value.
78function exampleOf({ Box, Text }: Elements, look: Look, previews: Previews | undefined, row: ConfigRow, index: number) {
79  const entry = previews?.[row.key.slice(row.key.indexOf('.') + 1)]?.[String(row.value)]
80  const lines = look.nerd ? entry?.nerd : entry?.safe
81  if (!entry || !lines?.length) return null
82  // The lines carry their own padding and strip, so the frame adds none. The example sinks to bg, so it never matches the card it sits in.
83  const sunk = (color: string | undefined) => (color !== undefined && color === shade(entry.frame?.bg) ? THEME.bg : color)
84  return (
85    <Box key={`setting-preview-${index}`} flexDirection="column" borderStyle="round" borderColor={shade(entry.frame?.border) ?? THEME.border} backgroundColor={THEME.bg} marginTop={1}>
86      {lines.map((line, index) => (
87        <Text key={`line-${index}`} wrap="truncate-end">
88          {line.spans.length === 0 ? ' ' : line.spans.map((span, at) => <Text key={`span-${at}`} color={shade(span.color) ?? THEME.onSurface} {...(span.bg ? { backgroundColor: sunk(shade(span.bg)) } : {})} {...(span.bold ? { bold: true } : {})}>{span.text}</Text>)}
89        </Text>
90      ))}
91    </Box>
92  )
93}
94
95// The value as the panel shows it: on/off as words, a list as its items.
96const shown = (row: ConfigRow) =>
97  row.kind === 'boolean' ? (row.value === true ? style.text.on : style.text.off) : Array.isArray(row.value) ? row.value.join(', ') : String(row.value)
98
99// Words that stay capitalized when a description follows a tip's label and colon.
100const PROPER = new Set(['Claude', 'Haiku', 'Opus', 'Sonnet', 'Windows', 'Nerd'])
101
102// A setting's description as the tip after "Label: ": its first sentence, led by a lowercase letter unless that word is a proper noun.
103export function descriptionTip(description: string) {
104  const sentence = description.split('. ')[0]!.replace(/\.$/, '')
105  const word = /^[A-Z][a-z]+\b/.exec(sentence)?.[0]
106  return word && !PROPER.has(word) ? sentence[0]!.toLowerCase() + sentence.slice(1) : sentence
107}
108
109// A control is an Entry pill posting `setting:<key>=<value as JSON>`; the mod's ui.message hook saves it with settingChoice.
110const SETTING = 'setting:'
111const settingId = (row: ConfigRow, value: ConfigValue) => `${SETTING}${row.key}=${JSON.stringify(value)}`
112
113// The change a clicked settings control asks for, or null when the message is something else.
114export function settingChoice(data: unknown): { key: string; value: ConfigValue } | null {
115  const message = data as { type?: string; id?: string } | undefined
116  if (message?.type !== 'menu-entry' || !message.id?.startsWith(SETTING)) return null
117  const rest = message.id.slice(SETTING.length)
118  const at = rest.indexOf('=')
119  if (at === -1) return null
120  try {
121    return { key: rest.slice(0, at), value: JSON.parse(rest.slice(at + 1)) as ConfigValue }
122  } catch {
123    return null
124  }
125}
126
127// A pill already frames the glyph, so drop the brackets and padding of the standalone button (safe `[↻]`).
128const bare = (glyph: string) => glyph.replace(/[[\]\s]/g, '')
129
130// A pill on the card's tint, capped where the font has the caps; `hover` lights the caps with a Button scoped to the pill's key.
131const pillOn = ({ Box, Text }: Elements, look: Look, key: string, bg: string, body: unknown, on = THEME.surface1, hover?: string) => {
132  const lit = hover ? { hover: { scope: key, color: hover } } : {}
133  return (
134    <Box key={key} flexDirection="row" flexShrink={0}>
135      {look.nerd ? <Text key={`${key}-left`} color={bg} backgroundColor={on} {...lit}>{CAPS.left}</Text> : null}
136      {body}
137      {look.nerd ? <Text key={`${key}-right`} color={bg} backgroundColor={on} {...lit}>{CAPS.right}</Text> : null}
138    </Box>
139  )
140}
141
142export type Choice = { key: string; isOn: boolean; props: Pick<EntryProps, 'id' | 'label' | 'still' | 'tip' | 'subLead' | 'subLeadColor'> }
143
144// A control track: a surface3 pill on `on`, padded by a space each side in safe mode, where it has no caps.
145function track(elements: Elements, look: Look, key: string, on: string, parts: unknown[]) {
146  const { Box, Text } = elements
147  const space = (side: string) => (look.nerd ? null : <Text key={`${key}-space-${side}`} backgroundColor={THEME.surface3}> </Text>)
148  return pillOn(elements, look, `${key}-bar`, THEME.surface3, <Box key={`${key}-options`} flexDirection="row" backgroundColor={THEME.surface3}>{[space('left'), ...parts, space('right')]}</Box>, on)
149}
150
151// A choice in a track: the pick a lifted (surface-4) subpill in primary-70 (`ok`), the rest muted; `on` is what the track sits on.
152export function choiceBar(elements: Elements, look: Look, key: string, on: string, choices: Choice[]) {
153  const { Client } = elements
154  const entry = (choice: Choice, shape: Partial<EntryProps>) => (
155    <Client key={choice.key} module="./entry.tsx" height={1} props={{ ...choice.props, isOpen: choice.isOn, bg: THEME.surface3, ...shape } satisfies EntryProps} />
156  )
157  const options = choices.map(choice =>
158    choice.isOn
159      ? // Tight, so the subpill is as wide as an idle option: the caps (Nerd) or a space (safe) stand where its padding was.
160        pillOn(elements, look, `${choice.key}-chosen`, THEME.lifted, entry(choice, { bg: THEME.lifted, color: THEME.ok, idle: THEME.muted, nerd: look.nerd, tight: true }), THEME.surface3)
161      : entry(choice, { idle: THEME.muted }),
162  )
163  return track(elements, look, key, on, options)
164}
165
166const actionScope = (index: number) => `action-row-${index}`
167
168// The tip each live action shows in the pane footer on hover; a Button cannot post one, so paneFooter reveals it by the pill's hover group.
169export const actionReveals = (actions: Action[], look: Look, working: boolean): Reveal[] =>
170  actions.flatMap((action, index) =>
171    working && !action.isLocal ? [] : [{ scope: actionScope(index), tip: { glyph: bare(look.glyph.go), label: action.label, text: fill(style.text.runsCommand, { command: [action.command, action.args].filter(Boolean).join(' ') }) } }],
172  )
173
174const editorScope = (index: number) => `editor-row-${index}`
175
176const fieldOf = (row: ConfigRow) => row.key.slice(row.key.indexOf('.') + 1)
177
178// The footer tip of each live editor pill, like actionReveals.
179export const editorReveals = (rows: ConfigRow[], editors: Record<string, Action>, look: Look, working: boolean): Reveal[] =>
180  rows.flatMap((row, index) => {
181    const action = row.kind === 'text' && !row.isLocked ? editors[fieldOf(row)] : undefined
182    return action && !working ? [{ scope: editorScope(index), tip: { glyph: MARK.open, label: action.label, text: fill(style.text.runsCommand, { command: [action.command, action.args].filter(Boolean).join(' ') }) } }] : []
183  })
184
185// A pill with a plain Button so the press is a real one; the glyph sits in the label so the whole pill lights.
186const buttonPill = (elements: Elements, look: Look, scope: string, key: string, glyph: string, label: string, onPress: () => unknown) => {
187  const { Button } = elements
188  return pillOn(
189    elements,
190    look,
191    scope,
192    THEME.surface3,
193    <Button key={key} label={look.nerd ? `${glyph} ${label}` : ` ${glyph} ${label} `} plain hover={{ scope, color: THEME.accent, inverse: true }} onPress={onPress} />,
194    THEME.surface1,
195    THEME.accent,
196  )
197}
198
199// Edits the row in place: on/off flips, a choice is a bar, a number steps; text is edited in /config.
200function control(elements: Elements, look: Look, row: ConfigRow, index: number, still: boolean, tips?: Record<string, string>, fields?: Record<string, Range>) {
201  const { Client, Text } = elements
202  const key = `setting-${index}`
203  const text = tips?.[row.key.slice(row.key.indexOf('.') + 1)] ?? (row.description ? descriptionTip(row.description) : '')
204  // Client props refuse an undefined value, so no tip text means no key.
205  const tipFor = (glyph: string) => (text ? { tip: { glyph: bare(glyph), label: splitTitle(row.label).name, text } satisfies Tip } : {})
206  const entry = (suffix: string, label: string, value: ConfigValue, bg: string, color: string, isOpen: boolean, glyph = look.glyph.cycle) => (
207    <Client key={`${key}-${suffix}`} module="./entry.tsx" height={1} props={{ id: settingId(row, value), label, isOpen, bg, color, idle: color, still, ...tipFor(glyph) } satisfies EntryProps} />
208  )
209  if (row.isLocked) return <Text color={THEME.muted}>{`${shown(row)} ${bare(look.glyph.locked)} ${style.text.locked}`}</Text>
210  if (row.kind === 'boolean') {
211    // The switch: `━━●` on, `●━━` off, the knob a bare glyph joined to the line.
212    const isOn = row.value === true
213    const shape = isOn
214      ? { lead: MARK.track, leadColor: THEME.accent, label: MARK.knob, idle: THEME.ok }
215      : { lead: MARK.knob, leadColor: style.colors.pills.readout, label: MARK.track, idle: THEME.trackOff }
216    const flip = <Client key={`${key}-flip`} module="./entry.tsx" height={1} props={{ id: settingId(row, !isOn), isOpen: false, bg: THEME.surface3, tight: true, still, ...shape, ...tipFor(look.glyph.cycle) } satisfies EntryProps} />
217    return track(elements, look, key, cardFill(), [flip])
218  }
219  if (row.kind === 'choice' && row.options?.length) {
220    const choices = row.options.map((option, at) => ({ key: `${key}-option-${at}`, isOn: option === String(row.value), props: { id: settingId(row, option), label: option, still, ...tipFor(look.glyph.cycle) } }))
221    return choiceBar(elements, look, key, cardFill(), choices)
222  }
223  if (row.kind === 'number' && typeof row.value === 'number') {
224    const range = fields?.[row.key.slice(row.key.indexOf('.') + 1)]
225    const value = <Text key={`${key}-value`} color={THEME.ok} backgroundColor={THEME.lifted} bold>{look.nerd ? showNumber(row.value, splitTitle(row.label).unit) : ` ${showNumber(row.value, splitTitle(row.label).unit)} `}</Text>
226    return track(elements, look, key, cardFill(), [
227      entry('down', bare(look.glyph.down), stepNumber(row.value, -1, range), THEME.surface3, THEME.muted, false, look.glyph.down),
228      pillOn(elements, look, `${key}-value-pill`, THEME.lifted, value, THEME.surface3),
229      entry('up', bare(look.glyph.up), stepNumber(row.value, 1, range), THEME.surface3, THEME.muted, false, look.glyph.up),
230    ])
231  }
232  return <Text color={THEME.secondary}>{shown(row)}</Text>
233}
234
235// A setting's first row: the label bold on the left, its control anchored right.
236export const settingHead = ({ Box, Text }: Pick<Elements, 'Box' | 'Text'>, key: string, label: string, control: unknown) => (
237  <Box key={key} flexDirection="row" columnGap={2} justifyContent="space-between">
238    <Text color={THEME.onSurface} bold>{label}</Text>
239    {control}
240  </Box>
241)
242
243// A hairline across its box, under a setting's head row; a Client, since only a Client learns the width it gets.
244export const hairline = ({ Client }: Pick<Elements, 'Client'>, key: string, bg: string) => (
245  <Client key={key} module="./entry.tsx" width="100%" height={1} props={{ id: key, label: '', isOpen: false, bg, rule: true } satisfies EntryProps} />
246)
247
248// The Settings and Actions sections of a mod's panel or page: one round-bordered card per setting.
249export function settingsBody(elements: Elements, look: Look, { rows, actions, working, run, previews, tips, fields, editors = {}, still = false }: SettingsProps) {
250  const { Box, Text } = elements
251  const settings = [
252    rows.length === 0 ? <Text key="settings-none" color={THEME.muted}>{style.text.noSettings}</Text> : null,
253    ...rows.map((row, index) => {
254      const example = exampleOf(elements, look, previews, row, index)
255      const editor = row.kind === 'text' && !row.isLocked ? editors[fieldOf(row)] : undefined
256      const head = editor && !working ? (
257        <Box key={`setting-control-${index}`} flexDirection="row" columnGap={1}>
258          {control(elements, look, row, index, still, tips, fields)}
259          {buttonPill(elements, look, editorScope(index), `setting-editor-${index}`, MARK.open, editor.label, () => run(editor))}
260        </Box>
261      ) : (
262        control(elements, look, row, index, still, tips, fields)
263      )
264      const hint = row.kind !== 'text' ? '' : editor ? (working ? style.text.idleOnly : '') : style.text.editInConfig
265      const note = [row.description, hint].filter(Boolean).join(` ${MARK.sep} `)
266      return (
267        <Box key={`setting-row-${index}`} flexDirection="column" borderStyle="round" borderColor={THEME.border} backgroundColor={cardFill()} paddingX={1} marginTop={index === 0 ? 0 : 1}>
268          {settingHead(elements, `setting-head-${index}`, splitTitle(row.label).name, head)}
269          {row.description || example ? hairline(elements, `setting-rule-${index}`, cardFill()) : null}
270          {row.description ? (
271            sepText(elements, note, THEME.muted, `setting-text-${index}`)
272          ) : null}
273          {example}
274        </Box>
275      )
276    }),
277  ]
278  const buttons = actions.map((action, index) =>
279    working && !action.isLocal ? (
280      sepText(elements, `${look.glyph.go} ${action.label} ${MARK.sep} ${style.text.idleOnly}`, THEME.muted, `action-${index}`)
281    ) : (
282      buttonPill(elements, look, actionScope(index), `action-${index}`, bare(look.glyph.go), action.label, () => run(action))
283    ),
284  )
285  return (
286    <Box key="settings" flexDirection="column">
287      {/* The cards carry their own border, and the panel's open Settings tab already names them. */}
288      <Box key="settings-cards" flexDirection="column">
289        {cardGap(elements, 'settings')}
290        {settings}
291      </Box>
292      {actions.length > 0 ? section(elements, look, 'actions', 'actions', style.text.actions, buttons) : null}
293    </Box>
294  )
295}
296
297

1// hooks/toasts.tsx, by v-amorim
2// Shared toast cards; every mod that toasts carries the same copy.
3import type { RenderElement } from 'claude-code'
4
5import type { Tip } from './entry'
6import style from './style'
7import { CAPS, MARK, mix, THEME } from './theme'
8
9type Elements = { Box: (props: any) => RenderElement; Client: (props: any) => RenderElement; Text: (props: any) => RenderElement }
10
11// The slice of a mod's Look the cards read, typed here because mod-menu has no look.tsx.
12type ToastLook = { nerd: boolean; glyph: { close: string } }
13
14export const TOAST_MS = 4000
15
16const DISMISS_TIP = { label: 'Dismiss', text: 'hides this message' }
17const MAX_TOASTS = 3
18
19// A mod's own toasts, newest last. A toast reaches only the hooks above its caller, so each mod catches its own.
20export class ToastList {
21  items: { id: number; text: string }[] = []
22  // The owning mod's animations setting is off, so the dismiss × does not fade.
23  isStill = false
24  private lastId = 0
25
26  // `prefix` keeps the dismiss Client keys apart from other mods' cards in the band.
27  constructor(readonly prefix: string) {}
28
29  add(text: string) {
30    const id = (this.lastId += 1)
31    this.items = [...this.items, { id, text }].slice(-MAX_TOASTS)
32    return id
33  }
34
35  drop(id: number) {
36    this.items = this.items.filter(toast => toast.id !== id)
37  }
38
39  // The toast a dismiss click names, or undefined when the click was not on one of these cards.
40  idOf(entryId: string) {
41    const head = `toast-${this.prefix}-`
42    return entryId.startsWith(head) ? Number(entryId.slice(head.length)) : undefined
43  }
44}
45
46// A pill already frames the glyph, so drop the brackets and padding of the standalone button (safe `[×]`).
47const bare = (glyph: string) => glyph.replace(/[[\]\s]/g, '')
48
49// Callers write `✓ Saved` or `! Failed`; the card draws the mark.
50function toneOf(text: string) {
51  for (const [mark, color, bold] of [[MARK.ok, THEME.good, false], [MARK.warn, THEME.alert, true]] as const) {
52    if (text.startsWith(mark)) return { mark, color, bold, text: text.slice(mark.length).trimStart() }
53  }
54  return { mark: MARK.bullet, color: THEME.accent, bold: false, text }
55}
56
57// The web toast as a band card: tinted icon square, "Title: detail" split bold and muted, an error edged in alert; closeTip is the × tip.
58export const toastCards = ({ Box, Client, Text }: Elements, list: ToastList, look?: ToastLook, closeTip: Pick<Tip, 'label' | 'text'> = DISMISS_TIP) =>
59  list.items.map(toast => {
60    const id = `toast-${list.prefix}-${toast.id}`
61    const tone = toneOf(toast.text)
62    const nerd = look?.nerd === true
63    const close = bare(look?.glyph.close ?? style.glyphs.safe.close)
64    const fill = mix(THEME.surface1, tone.color, 0.06)
65    const split = tone.text.indexOf(': ')
66    const [title, detail] = split > 0 ? [tone.text.slice(0, split), tone.text.slice(split + 2)] : [tone.text, '']
67    const edge = tone.color === THEME.alert ? mix(fill, THEME.alert, 0.33) : THEME.border
68    return (
69      <Box key={id} flexDirection="row" columnGap={1} paddingX={1} borderStyle="round" borderColor={edge} backgroundColor={fill}>
70        <Box key={`${id}-mark`} flexShrink={0}>
71          <Text color={tone.color} backgroundColor={mix(fill, tone.color, 0.15)} bold={tone.bold}>{` ${tone.mark} `}</Text>
72        </Box>
73        <Box key={`${id}-text`} flexGrow={1} flexShrink={1}>
74          <Text wrap="wrap">
75            <Text color={THEME.onSurface} bold>{title}</Text>
76            {detail ? <Text color={THEME.muted}>{` ${detail}`}</Text> : null}
77          </Text>
78        </Box>
79        <Box key={`${id}-close`} flexDirection="row" flexShrink={0}>
80          {nerd ? <Text key={`${id}-close-left`} color={THEME.surface3} backgroundColor={fill}>{CAPS.left}</Text> : null}
81          <Client key={id} module="./entry.tsx" height={1} props={{ id, label: close, isOpen: false, bg: THEME.surface3, still: list.isStill, tip: { glyph: close, ...closeTip } }} />
82          {nerd ? <Text key={`${id}-close-right`} color={THEME.surface3} backgroundColor={fill}>{CAPS.right}</Text> : null}
83        </Box>
84      </Box>
85    )
86  })
87

1// mod-prompts / hooks/prompts.ts, by v-amorim
2// What the sidebar keeps of a transcript row; tool results and replies are most of the bytes and are dropped here.
3export type Row = {
4  uuid: string
5  parent?: string
6  isSidechain: boolean
7  // The prompt's text when the row is one, else undefined.
8  prompt?: string
9  // A prompt typed while a turn ran, which the file keeps as a queued command.
10  isQueued?: boolean
11  // A subagent's report: a row that opens a turn of its own, which is no prompt.
12  isReport?: boolean
13  at?: string
14  // What the row adds to its turn: tool calls a reply makes, lines a tool result changed, the turn's length.
15  tools?: number
16  added?: number
17  removed?: number
18  durationMs?: number
19}
20
21export type Prompt = { id: string; text: string; at?: string; tools: number; added: number; removed: number; durationMs?: number; isQueued?: boolean }
22
23// Lines a successful edit or new file changed; a failed tool result changed nothing, so it counts nothing.
24function changedLines(row: any) {
25  const content = row.message?.content
26  if (Array.isArray(content) && content.some((block: any) => block?.type === 'tool_result' && block.is_error === true)) return {}
27  const result = row.toolUseResult
28  let added = 0
29  let removed = 0
30  for (const hunk of Array.isArray(result?.structuredPatch) ? result.structuredPatch : []) {
31    for (const line of Array.isArray(hunk?.lines) ? hunk.lines : []) {
32      if (typeof line !== 'string') continue
33      if (line.startsWith('+')) added++
34      else if (line.startsWith('-')) removed++
35    }
36  }
37  // A new file has no patch, only its content.
38  if (result?.type === 'create' && added === 0 && typeof result.content === 'string') added = result.content.split('\n').length
39  return added || removed ? { added, removed } : {}
40}
41
42// Rows Claude Code wraps around commands, hooks and notices; none is a prompt.
43const WRAPPER = /^<(command-|local-command-|bash-|system-reminder|task-notification|user-prompt-submit-hook)/
44const INTERRUPTED = /^\[Request interrupted by user/
45const UUID = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i
46
47export const promptText = (text: string) => {
48  const trimmed = text.trim()
49  return trimmed && !WRAPPER.test(trimmed) && !INTERRUPTED.test(trimmed) && !trimmed.startsWith('/') ? trimmed : undefined
50}
51
52// A skill command the user typed, shown as typed; a local command (/clear, /config) carries no promptId, so it stays out.
53const COMMAND = /^<command-message>[\s\S]*?<\/command-message>\s*<command-name>\s*(\/[^<\s]+)\s*<\/command-name>\s*(?:<command-args>([\s\S]*?)<\/command-args>)?/
54export const commandPrompt = (row: any, text: string) => {
55  if (typeof row?.promptId !== 'string' || !row.promptId) return undefined
56  const match = COMMAND.exec(text.trim())
57  return match ? `${match[1]} ${(match[2] ?? '').trim()}`.trim() : undefined
58}
59
60// A message's text: the string itself, or its text blocks joined.
61const textOf = (content: unknown) =>
62  typeof content === 'string'
63    ? content
64    : Array.isArray(content)
65      ? content.filter((block: any) => block?.type === 'text' && typeof block.text === 'string').map((block: any) => block.text).join('\n')
66      : ''
67
68export function parseRow(line: string): Row | undefined {
69  let row: any
70  try {
71    row = JSON.parse(line)
72  } catch {
73    return undefined
74  }
75  if (typeof row?.uuid !== 'string') return undefined
76  const base = {
77    uuid: row.uuid,
78    parent: row.parentUuid ?? row.logicalParentUuid ?? undefined,
79    isSidechain: row.isSidechain === true,
80    at: typeof row.timestamp === 'string' ? row.timestamp : undefined,
81  }
82  // A prompt typed while a turn ran is a queued_command attachment (content blocks when it has an image); a meta one is a note the harness queued.
83  if (row.type === 'attachment' && row.attachment?.type === 'queued_command') {
84    if (row.attachment.isMeta === true) return base
85    return { ...base, prompt: promptText(textOf(row.attachment.prompt)), isQueued: true }
86  }
87  if (row.type === 'system' && row.subtype === 'turn_duration' && typeof row.durationMs === 'number') return { ...base, durationMs: row.durationMs }
88  if (row.type === 'user' && row.isMeta === true && row.origin?.kind === 'peer') return { ...base, isReport: true }
89  if (row.type === 'assistant' && Array.isArray(row.message?.content)) {
90    const tools = row.message.content.filter((block: any) => block?.type === 'tool_use').length
91    return tools ? { ...base, tools } : base
92  }
93  if (row.type !== 'user' || row.isMeta || row.isCompactSummary || row.message?.role !== 'user') return base
94  const { content } = row.message
95  if (Array.isArray(content) && content.some((block: any) => block?.type === 'tool_result')) return { ...base, ...changedLines(row) }
96  const typed = textOf(content)
97  return { ...base, prompt: commandPrompt(row, typed) ?? promptText(typed) }
98}
99
100// The prompts on the live branch, oldest first; a report or an abandoned prompt opens a turn that lists nothing, as turns.ts does.
101export function promptsOf(rows: Row[]): Prompt[] {
102  const main = rows.filter(row => !row.isSidechain)
103  const byId = new Map(main.map(row => [row.uuid, row]))
104  // Each row's previous row in file order, the way past a parent Claude Code never wrote.
105  const before = new Map(main.map((row, n) => [row.uuid, main[n - 1]]))
106  const live = new Set<string>()
107  let row = main[main.length - 1]
108  while (row && !live.has(row.uuid)) {
109    live.add(row.uuid)
110    row = row.parent ? (byId.get(row.parent) ?? before.get(row.uuid)) : undefined
111  }
112  const prompts: Prompt[] = []
113  // The prompt the rows after it belong to, in file order; undefined after a report or an abandoned prompt.
114  let turn: Prompt | undefined
115  for (const candidate of rows) {
116    if (candidate.isSidechain) continue
117    if (candidate.isReport) {
118      turn = undefined
119      continue
120    }
121    if (candidate.prompt) {
122      turn = live.has(candidate.uuid) ? { id: candidate.uuid, text: candidate.prompt, at: candidate.at, tools: 0, added: 0, removed: 0, isQueued: candidate.isQueued === true } : undefined
123      if (turn) prompts.push(turn)
124      continue
125    }
126    if (!turn) continue
127    turn.tools += candidate.tools ?? 0
128    turn.added += candidate.added ?? 0
129    turn.removed += candidate.removed ?? 0
130    if (candidate.durationMs !== undefined) turn.durationMs = (turn.durationMs ?? 0) + candidate.durationMs
131  }
132  return prompts
133}
134
135// Parses a growing transcript a feed at a time; a torn last line waits for the next feed.
136export class TranscriptRows {
137  rows: Row[] = []
138  private parsed = 0
139
140  feed(text: string) {
141    const end = text.lastIndexOf('\n') + 1
142    if (end < this.parsed) {
143      this.rows = []
144      this.parsed = 0
145    }
146    const lines = text.slice(this.parsed, end).split('\n').filter(line => line.trim())
147    this.parsed = end
148    for (const line of lines) {
149      const row = parseRow(line)
150      if (row) this.rows.push(row)
151    }
152    return lines.length
153  }
154
155  // Feeds text that follows what was fed, for a read that took only the new bytes; returns the unfinished last line.
156  append(text: string) {
157    const end = text.lastIndexOf('\n') + 1
158    for (const line of text.slice(0, end).split('\n')) {
159      const row = line.trim() ? parseRow(line) : undefined
160      if (row) this.rows.push(row)
161    }
162    return text.slice(end)
163  }
164}
165
166// A message drawn as several rows gets ids that keep its uuid's first four groups, so rows match on those.
167export const rowKey = (id: string) => (UUID.test(id) ? id.slice(0, 24) : id)
168
169// The id a jump scrolls to: the row as Claude Code last drew it, else the message's own uuid.
170export const targetOf = (drawn: Map<string, string>, id: string) => drawn.get(rowKey(id)) ?? id
171

1// mod-prompts / hooks/tail.ts, by v-amorim
2// Reads a byte range of a file through a process, for files past what one fs.read takes. Copied from mod-transcript.
3
4// Bytes per process read: base64 grows a third, so the output stays under the 4 MiB the process result keeps.
5export const CHUNK_BYTES = 2 * 1024 * 1024
6
7const BASE64 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
8
9// The command that prints `length` bytes of `path` from byte `from`, as base64 so no byte is lost in decoding. Windows reads through PowerShell, elsewhere through tail and head.
10export function chunkArgv(path: string, from: number, length: number): string[] {
11  if (/^[A-Za-z]:|\\/.test(path)) {
12    const quoted = path.replace(/'/g, "''")
13    return ['powershell', '-NoProfile', '-NonInteractive', '-Command', `$s = [IO.File]::OpenRead('${quoted}'); try { [void]$s.Seek(${from}, 'Begin'); $b = [byte[]]::new(${length}); $n = $s.Read($b, 0, $b.Length); [Convert]::ToBase64String($b, 0, $n) } finally { $s.Dispose() }`]
14  }
15  return ['sh', '-c', 'tail -c +"$2" "$1" | head -c "$3" | base64 | tr -d "\\n"', 'sh', path, String(from + 1), String(length)]
16}
17
18// Decodes base64 by hand: the mod runtime does not promise atob.
19export function bytesOf(base64: string): Uint8Array {
20  const clean = base64.replace(/[^A-Za-z0-9+/]/g, '')
21  const out = new Uint8Array(Math.floor((clean.length * 3) / 4))
22  let bits = 0
23  let value = 0
24  let at = 0
25  for (const char of clean) {
26    value = (value << 6) | BASE64.indexOf(char)
27    bits += 6
28    if (bits >= 8) {
29      bits -= 8
30      out[at++] = (value >> bits) & 0xff
31    }
32  }
33  return out
34}
35
36// How many bytes the text takes in UTF-8, without building them.
37export function utf8Length(text: string) {
38  let bytes = 0
39  for (let at = 0; at < text.length; at++) {
40    const code = text.charCodeAt(at)
41    if (code < 0x80) bytes += 1
42    else if (code < 0x800) bytes += 2
43    else if (code >= 0xd800 && code <= 0xdbff) {
44      bytes += 4
45      at++
46    } else bytes += 3
47  }
48  return bytes
49}
50

1// mod-prompts / hooks/timeline.tsx, by v-amorim
2// Draws the timeline rail of prompt stops with dots, times and click handling.
3import type { ClientModule, ClientSurface } from 'claude-code'
4
5import { HOVER_STEPS, HOVER_TICK_MS, postTip, stepToward } from './entry'
6import { cardFill } from './look'
7import { mix, THEME } from './theme'
8
9// time is the clock time the prompt was sent, empty when the transcript has none; index is its place in the whole list; label and tip fill the pane footer.
10export type Stop = { index: number; time: string; text: string; label: string; tip: string }
11
12export type TimelineProps = { stops: Stop[]; selected: number; glyph: string; dot: string; openDot: string; still: boolean }
13
14export type TimelineMessage = { type: 'select'; index: number }
15
16// Cells before the dot: the clock time and a space, or the same width blank.
17export const GUTTER = 6
18
19// The rows a run of stops takes: one each and no rail line between, so only the open prompt spreads over two rows.
20export const timelineRows = (count: number) => count
21
22// at: the stop under the pointer; fading: the stop it just left, and level: how much of its light is left.
23type State = { at: number; fading: number; level: number }
24
25const fades = new WeakMap<object, () => void>()
26
27// A stop the pointer left dims over HOVER_STEPS ticks instead of switching off.
28const startFade = (surface: ClientSurface<State>) => {
29  if (fades.has(surface)) return
30  const stop = surface.every(HOVER_TICK_MS, () => {
31    const { state } = surface
32    if (!state || state.fading < 0) return
33    const level = stepToward(state.level, false)
34    surface.setState(level === 0 ? { ...state, fading: -1, level: 0 } : { ...state, level })
35    if (level === 0) {
36      stop()
37      fades.delete(surface)
38    }
39  })
40  fades.set(surface, stop)
41}
42
43// Prompts as stops: time, a dot, the text. A click opens one; the stop under the pointer lifts and turns accent.
44const Timeline: ClientModule<TimelineProps, State> = (props, surface) => {
45  const { Box, Text } = surface.elements
46  const { stops, selected, glyph, dot, openDot, still } = props
47  const state = surface.state ?? { at: -1, fading: -1, level: 0 }
48  const hovered = state.at
49  const at = (y: number) => stops[y]
50
51  surface.onPointer(event => {
52    const stop = event.type === 'leave' ? undefined : at(event.y)
53    const index = stop?.index ?? -1
54    const isClick = event.type === 'down' && event.button === 'left' && index >= 0
55    if (index !== hovered) {
56      const isDimming = hovered >= 0 && !still
57      surface.setState({ at: index, fading: isDimming ? hovered : -1, level: isDimming ? HOVER_STEPS : 0 })
58      if (isDimming) startFade(surface)
59      if (!isClick) postTip(surface, 'stop', stop ? { glyph, label: stop.label, text: stop.tip } : null)
60    }
61    if (isClick) surface.post({ type: 'select', index } satisfies TimelineMessage)
62  })
63
64  return (
65    <Box flexDirection="column">
66      {stops.map(stop => {
67        const isOpen = stop.index === selected
68        const lit = stop.index === hovered ? HOVER_STEPS : stop.index === state.fading ? state.level : 0
69        const on = mix(isOpen ? THEME.surface3 : cardFill(), THEME.lifted, lit / HOVER_STEPS)
70        const ink = isOpen ? mix(THEME.ok, THEME.accent, lit / HOVER_STEPS) : mix(THEME.muted, THEME.accent, lit / HOVER_STEPS)
71        return (
72          <Box key={`stop-${stop.index}`} flexDirection="row" backgroundColor={on}>
73            <Text color={THEME.muted}>{(stop.time || '').padEnd(GUTTER)}</Text>
74            {/* The open prompt sits on surface-3 in ok and bold, the rest muted, the dot too; the pointer lifts any of them. */}
75            <Text color={ink}>{isOpen ? openDot : dot}</Text>
76            <Text color={ink} bold={isOpen}>{` ${stop.text}`}</Text>
77          </Box>
78        )
79      })}
80    </Box>
81  )
82}
83
84export default Timeline
85

1// hooks/theme.ts, by v-amorim
2// Shared theme; every mod carries the same copy. Colors, marks and glyphs live in style.ts.
3import style from './style'
4
5export const THEME = style.colors.theme
6
7// Shell command roles: what runs, its options, quoted text, variables, numbers and the glue between steps.
8export const SYNTAX = style.colors.syntax
9
10// One cell each and never an emoji: ⚠ switches to its emoji form in some fonts and draws two cells wide.
11export const MARK = style.marks
12
13// style.ts writes Nerd glyphs as {U+XXXX}, since private-use characters do not survive many editors and tools.
14const decode = (text: string) => text.replace(/\{U\+([0-9A-F]+)\}/gi, (_, hex: string) => String.fromCodePoint(parseInt(hex, 16)))
15
16export function decodeAll<T>(value: T): T {
17  if (typeof value === 'string') return decode(value) as T
18  if (Array.isArray(value)) return value.map(decodeAll) as T
19  return Object.fromEntries(Object.entries(value as object).map(([key, inner]) => [key, decodeAll(inner)])) as T
20}
21
22// A pill's rounded ends, drawn only where the font has them.
23export const CAPS = decodeAll(style.caps)
24
25export const statusColor = (note: string) =>
26  note.startsWith(MARK.ok) ? THEME.good : note.startsWith(MARK.warn) ? THEME.alert : THEME.muted
27
28const channels = (hex: string) => [1, 3, 5].map(at => parseInt(hex.slice(at, at + 2), 16))
29const isHex = (color: string) => /^#[0-9a-f]{6}$/i.test(color)
30
31// The color `t` of the way from `from` to `to`; a color that is not #RRGGBB switches halfway.
32export function mix(from: string, to: string, t: number) {
33  if (t <= 0) return from
34  if (t >= 1) return to
35  if (!isHex(from) || !isHex(to)) return t < 0.5 ? from : to
36  const end = channels(to)
37  return `#${channels(from).map((value, at) => Math.round(value + (end[at]! - value) * t).toString(16).padStart(2, '0')).join('')}`
38}
39
40// The share of a hue left in a subpill or count badge, washed into the fill it sits on.
41export const WASH = 0.72
42
43// A text.ts string with its {name} slots filled; a slot with no value stays as written, so a missing one shows.
44export const fill = (template: string, values: Record<string, string | number> = {}) =>
45  template.replace(/\{(\w+)\}/g, (slot, name: string) => (name in values ? String(values[name]) : slot))
46