bare-operating-system/packages/bare-os-booter/lib/services/bare-os-tui-sdk.data.mjs

/** Auto-generated by scripts/bundle-tui-sdk.mjs — do not edit. */
export const BARE_OS_TUI_SDK_SOURCE = "(function (ctx) {\n\"use strict\";\n/* src/00-prelude.js */\n/** Bare OS TUI concat prelude. Guest scripts receive this via ctx only. */\nvar BARE_TUI_VERSION = '1.3.0'\nvar bareTuiSessions = []\nvar bareTuiNextWidgetId = 1\n\n/* src/ansi/codes.js */\n/** CSI / SGR / DEC private-mode sequences for the guest TUI. */\n\nvar BARE_TUI_ESC = '\\x1b'\nvar BARE_TUI_CSI = '\\x1b['\n\nfunction bareTuiSgr(n) {\n  return BARE_TUI_CSI + String(n) + 'm'\n}\n\nvar bareTuiAnsi = {\n  esc: BARE_TUI_ESC,\n  csi: BARE_TUI_CSI,\n  reset: bareTuiSgr(0),\n  cursorHide: BARE_TUI_CSI + '?25l',\n  cursorShow: BARE_TUI_CSI + '?25h',\n  home: BARE_TUI_CSI + 'H',\n  eraseDisplay: BARE_TUI_CSI + '2J',\n  eraseDisplayEnd: BARE_TUI_CSI + 'J',\n  eraseScrollback: BARE_TUI_CSI + '3J',\n  eraseLine: BARE_TUI_CSI + '2K',\n  eraseLineEnd: BARE_TUI_CSI + 'K',\n  enterAltScreen: BARE_TUI_CSI + '?1049h',\n  leaveAltScreen: BARE_TUI_CSI + '?1049l',\n  enableMouseBasic: BARE_TUI_CSI + '?1000h' + BARE_TUI_CSI + '?1006h',\n  enableMouseDrag:\n    BARE_TUI_CSI + '?1000h' + BARE_TUI_CSI + '?1002h' + BARE_TUI_CSI + '?1006h',\n  enableMouseAll:\n    BARE_TUI_CSI + '?1000h' + BARE_TUI_CSI + '?1003h' + BARE_TUI_CSI + '?1006h',\n  disableMouse:\n    BARE_TUI_CSI +\n    '?1006l' +\n    BARE_TUI_CSI +\n    '?1003l' +\n    BARE_TUI_CSI +\n    '?1002l' +\n    BARE_TUI_CSI +\n    '?1000l',\n  enableBracketPaste: BARE_TUI_CSI + '?2004h',\n  disableBracketPaste: BARE_TUI_CSI + '?2004l',\n  enableFocus: BARE_TUI_CSI + '?1004h',\n  disableFocus: BARE_TUI_CSI + '?1004l',\n  syncOutputBegin: BARE_TUI_CSI + '?2026h',\n  syncOutputEnd: BARE_TUI_CSI + '?2026l',\n  modifierReverse: bareTuiSgr(7),\n  modifierNotReverse: bareTuiSgr(27),\n  modifierDim: bareTuiSgr(2),\n  cursorTo: function (row, col) {\n    var r = (row | 0) + 1\n    var c = (col | 0) + 1\n    if (r < 1) r = 1\n    if (c < 1) c = 1\n    return BARE_TUI_CSI + r + ';' + c + 'H'\n  },\n  cursorUp: function (n) {\n    return BARE_TUI_CSI + (n == null ? 1 : n | 0) + 'A'\n  },\n  cursorDown: function (n) {\n    return BARE_TUI_CSI + (n == null ? 1 : n | 0) + 'B'\n  },\n  cursorForward: function (n) {\n    return BARE_TUI_CSI + (n == null ? 1 : n | 0) + 'C'\n  },\n  cursorBack: function (n) {\n    return BARE_TUI_CSI + (n == null ? 1 : n | 0) + 'D'\n  },\n  sgr: bareTuiSgr,\n  fg256: function (n) {\n    return BARE_TUI_CSI + '38;5;' + (n | 0) + 'm'\n  },\n  bg256: function (n) {\n    return BARE_TUI_CSI + '48;5;' + (n | 0) + 'm'\n  },\n  fgRgb: function (r, g, b) {\n    return (\n      BARE_TUI_CSI + '38;2;' + (r | 0) + ';' + (g | 0) + ';' + (b | 0) + 'm'\n    )\n  },\n  bgRgb: function (r, g, b) {\n    return (\n      BARE_TUI_CSI + '48;2;' + (r | 0) + ';' + (g | 0) + ';' + (b | 0) + 'm'\n    )\n  }\n}\n\n/* src/input/decoder.js */\n/** Byte-queue key / mouse / paste decoder. Produces TEA-style messages. */\n\nfunction bareTuiUtf8Decode(bytes) {\n  try {\n    if (typeof TextDecoder !== 'undefined') {\n      return new TextDecoder('utf-8', { fatal: false }).decode(\n        new Uint8Array(bytes)\n      )\n    }\n  } catch (e) {\n    /* fall through */\n  }\n  var s = ''\n  for (var i = 0; i < bytes.length; i++) s += String.fromCharCode(bytes[i])\n  return s\n}\n\nfunction bareTuiUtf8TrailCount(b1) {\n  if (b1 >= 0xc0 && b1 < 0xe0) return 1\n  if (b1 >= 0xe0 && b1 < 0xf0) return 2\n  if (b1 >= 0xf0) return 3\n  return 0\n}\n\nfunction bareTuiKeyToString() {\n  var parts = []\n  if (this.ctrl) parts.push('ctrl')\n  if (this.meta) parts.push('alt')\n  if (this.shift && this.name && this.name.length > 1) parts.push('shift')\n  parts.push(this.name === 'return' ? 'enter' : this.name)\n  return parts.join('+')\n}\n\nfunction bareTuiKeyIs() {\n  var str = this.toString()\n  for (var i = 0; i < arguments.length; i++) {\n    var chord = arguments[i]\n    if (chord === 'esc') chord = 'escape'\n    if (chord === str || chord === this.name) return true\n    if (chord === 'enter' && (str === 'enter' || this.name === 'return'))\n      return true\n  }\n  return false\n}\n\nfunction bareTuiMakeKey(name, seq, ctrl, meta, shift) {\n  return {\n    type: 'key',\n    name: name,\n    sequence: seq || '',\n    ctrl: !!ctrl,\n    meta: !!meta,\n    shift: !!shift,\n    toString: bareTuiKeyToString,\n    is: bareTuiKeyIs\n  }\n}\n\nfunction bareTuiKeyMatches(msg) {\n  if (!msg || msg.type !== 'key' || typeof msg.is !== 'function') return false\n  var chords = []\n  for (var i = 1; i < arguments.length; i++) {\n    var item = arguments[i]\n    if (item && typeof item === 'object' && item.keys && item.keys.length) {\n      for (var k = 0; k < item.keys.length; k++) chords.push(item.keys[k])\n    } else {\n      chords.push(item)\n    }\n  }\n  return msg.is.apply(msg, chords)\n}\n\nfunction bareTuiKeyBinding(opts) {\n  var o = opts || {}\n  var keys = o.keys\n  if (!keys) keys = []\n  if (typeof keys === 'string') keys = [keys]\n  return { keys: keys.slice(), help: o.help || null }\n}\n\nvar BARE_TUI_CSI_NAMES = {\n  A: 'up',\n  B: 'down',\n  C: 'right',\n  D: 'left',\n  H: 'home',\n  F: 'end',\n  Z: 'tab',\n  P: 'f1',\n  Q: 'f2',\n  R: 'f3',\n  S: 'f4'\n}\n\nvar BARE_TUI_TILDE_NAMES = {\n  1: 'home',\n  2: 'insert',\n  3: 'delete',\n  4: 'end',\n  5: 'pageup',\n  6: 'pagedown',\n  7: 'home',\n  8: 'end',\n  11: 'f1',\n  12: 'f2',\n  13: 'f3',\n  14: 'f4',\n  15: 'f5',\n  17: 'f6',\n  18: 'f7',\n  19: 'f8',\n  20: 'f9',\n  21: 'f10',\n  23: 'f11',\n  24: 'f12'\n}\n\nfunction bareTuiParseCsiPayload(payload) {\n  if (!payload) return null\n  if (payload === 'I') return { type: 'focus', gained: true }\n  if (payload === 'O') return { type: 'focus', gained: false }\n\n  if (payload.charAt(0) === '<') {\n    var m = /^<(\\d+);(\\d+);(\\d+)([Mm])$/.exec(payload)\n    if (!m) return { type: 'unknown', sequence: payload }\n    var btn = parseInt(m[1], 10)\n    var x = parseInt(m[2], 10)\n    var y = parseInt(m[3], 10)\n    var release = m[4] === 'm'\n    var motion = (btn & 32) !== 0\n    var wheel = (btn & 64) !== 0\n    var code = btn & 3\n    var button =\n      code === 0\n        ? 'left'\n        : code === 1\n          ? 'middle'\n          : code === 2\n            ? 'right'\n            : 'none'\n    var action = 'press'\n    if (wheel) action = (btn & 1) === 0 ? 'scrollup' : 'scrolldown'\n    else if (release) action = 'release'\n    else if (motion) action = 'drag'\n    return {\n      type: 'mouse',\n      action: action,\n      button: button,\n      x: x,\n      y: y,\n      ctrl: (btn & 16) !== 0,\n      meta: (btn & 8) !== 0,\n      shift: (btn & 4) !== 0\n    }\n  }\n\n  var last = payload.charAt(payload.length - 1)\n  var body = payload.slice(0, payload.length - 1)\n  var mods = 1\n  var num = ''\n  var semi = body.indexOf(';')\n  if (last === '~') {\n    if (semi >= 0) {\n      num = body.slice(0, semi)\n      mods = parseInt(body.slice(semi + 1), 10) || 1\n    } else {\n      num = body\n    }\n    if (num === '200') return { type: 'paste-start' }\n    if (num === '201') return { type: 'paste-end' }\n    var tname = BARE_TUI_TILDE_NAMES[num]\n    if (!tname) return { type: 'unknown', sequence: payload }\n    return bareTuiMakeKey(\n      tname,\n      payload,\n      !!((mods - 1) & 4),\n      !!((mods - 1) & 2),\n      !!((mods - 1) & 1)\n    )\n  }\n  var letter = last\n  if (semi >= 0) {\n    var parts = body.split(';')\n    if (parts.length >= 2) mods = parseInt(parts[1], 10) || 1\n  }\n  var lname = BARE_TUI_CSI_NAMES[letter]\n  if (!lname) return { type: 'unknown', sequence: payload }\n  var shift = !!((mods - 1) & 1)\n  if (letter === 'Z') shift = true\n  return bareTuiMakeKey(\n    lname,\n    payload,\n    !!((mods - 1) & 4),\n    !!((mods - 1) & 2),\n    shift\n  )\n}\n\nfunction bareTuiTryConsume(q) {\n  if (!q.length) return null\n  var b1 = q[0]\n\n  if (b1 === 27) {\n    if (q.length < 2) return { type: 'incomplete' }\n    var b2 = q[1]\n    if (b2 === 91) {\n      var i = 2\n      while (i < q.length) {\n        var b = q[i]\n        if (b >= 0x40 && b <= 0x7e) {\n          var seq = String.fromCharCode.apply(null, q.slice(2, i + 1))\n          q.splice(0, i + 1)\n          return bareTuiParseCsiPayload(seq)\n        }\n        i++\n      }\n      return { type: 'incomplete' }\n    }\n    if (b2 === 79) {\n      if (q.length < 3) return { type: 'incomplete' }\n      var b3 = q[2]\n      q.splice(0, 3)\n      var ss3 = String.fromCharCode(b3)\n      var ssName = {\n        A: 'up',\n        B: 'down',\n        C: 'right',\n        D: 'left',\n        H: 'home',\n        F: 'end',\n        P: 'f1',\n        Q: 'f2',\n        R: 'f3',\n        S: 'f4'\n      }[ss3]\n      if (!ssName) return { type: 'unknown', sequence: 'O' + ss3 }\n      return bareTuiMakeKey(ssName, 'O' + ss3, false, false, false)\n    }\n    q.splice(0, 2)\n    if (b2 === 27) return bareTuiMakeKey('escape', '\\x1b', false, false, false)\n    if (b2 >= 1 && b2 <= 26) {\n      return bareTuiMakeKey(\n        String.fromCharCode(96 + b2),\n        String.fromCharCode(b2),\n        true,\n        true,\n        false\n      )\n    }\n    return bareTuiMakeKey(\n      String.fromCharCode(b2),\n      String.fromCharCode(b2),\n      false,\n      true,\n      false\n    )\n  }\n\n  if (b1 === 3) {\n    q.shift()\n    return bareTuiMakeKey('c', '\\x03', true, false, false)\n  }\n  if (b1 === 4) {\n    q.shift()\n    return bareTuiMakeKey('d', '\\x04', true, false, false)\n  }\n  if (b1 === 8 || b1 === 127) {\n    q.shift()\n    return bareTuiMakeKey(\n      'backspace',\n      String.fromCharCode(b1),\n      false,\n      false,\n      false\n    )\n  }\n  if (b1 === 13 || b1 === 10) {\n    q.shift()\n    return bareTuiMakeKey('enter', String.fromCharCode(b1), false, false, false)\n  }\n  if (b1 === 9) {\n    q.shift()\n    return bareTuiMakeKey('tab', '\\t', false, false, false)\n  }\n  if (b1 === 32) {\n    q.shift()\n    return bareTuiMakeKey('space', ' ', false, false, false)\n  }\n  if (b1 === 27) {\n    q.shift()\n    return bareTuiMakeKey('escape', '\\x1b', false, false, false)\n  }\n  if (b1 < 32) {\n    q.shift()\n    if (b1 === 0) return bareTuiMakeKey('space', '\\x00', true, false, false)\n    return bareTuiMakeKey(\n      String.fromCharCode(96 + b1),\n      String.fromCharCode(b1),\n      true,\n      false,\n      false\n    )\n  }\n\n  if (b1 >= 0xc0) {\n    var trail = bareTuiUtf8TrailCount(b1)\n    if (q.length < trail + 1) return { type: 'incomplete' }\n    var ub = q.splice(0, trail + 1)\n    var ch = bareTuiUtf8Decode(ub)\n    return bareTuiMakeKey(ch, ch, false, false, false)\n  }\n\n  q.shift()\n  var one = String.fromCharCode(b1)\n  return bareTuiMakeKey(one, one, false, false, false)\n}\n\nfunction bareTuiCreateDecoder() {\n  var q = []\n  var paste = null\n  return {\n    push: function (chunk) {\n      var i\n      if (chunk == null) return\n      if (typeof chunk === 'string') {\n        for (i = 0; i < chunk.length; ) {\n          var cp = chunk.codePointAt(i)\n          i += cp > 0xffff ? 2 : 1\n          if (cp < 0x80) q.push(cp)\n          else if (cp < 0x800) {\n            q.push(0xc0 | (cp >> 6))\n            q.push(0x80 | (cp & 63))\n          } else if (cp < 0x10000) {\n            q.push(0xe0 | (cp >> 12))\n            q.push(0x80 | ((cp >> 6) & 63))\n            q.push(0x80 | (cp & 63))\n          } else {\n            q.push(0xf0 | (cp >> 18))\n            q.push(0x80 | ((cp >> 12) & 63))\n            q.push(0x80 | ((cp >> 6) & 63))\n            q.push(0x80 | (cp & 63))\n          }\n        }\n        return\n      }\n      if (chunk instanceof Uint8Array || Array.isArray(chunk)) {\n        for (i = 0; i < chunk.length; i++) q.push(chunk[i] & 255)\n        return\n      }\n      if (typeof chunk === 'number') q.push(chunk & 255)\n    },\n    flushEscape: function () {\n      if (q.length === 1 && q[0] === 27) {\n        q.shift()\n        return bareTuiMakeKey('escape', '\\x1b', false, false, false)\n      }\n      return null\n    },\n    take: function () {\n      var out = []\n      for (;;) {\n        if (!q.length) break\n        if (paste !== null) {\n          var end = -1\n          var j\n          for (j = 0; j <= q.length - 6; j++) {\n            if (\n              q[j] === 27 &&\n              q[j + 1] === 91 &&\n              q[j + 2] === 50 &&\n              q[j + 3] === 48 &&\n              q[j + 4] === 49 &&\n              q[j + 5] === 126\n            ) {\n              end = j\n              break\n            }\n          }\n          if (end < 0) break\n          var inner = q.splice(0, end)\n          q.splice(0, 6)\n          paste = null\n          out.push({ type: 'paste', text: bareTuiUtf8Decode(inner) })\n          continue\n        }\n        var ev = bareTuiTryConsume(q)\n        if (!ev || ev.type === 'incomplete') break\n        if (ev.type === 'paste-start') {\n          paste = []\n          continue\n        }\n        if (ev.type === 'paste-end') continue\n        out.push(ev)\n      }\n      return out\n    },\n    pending: function () {\n      return q.length\n    }\n  }\n}\n\nfunction bareTuiDecodeBytes(chunk) {\n  var d = bareTuiCreateDecoder()\n  d.push(chunk)\n  var evs = d.take()\n  var esc = d.flushEscape()\n  if (esc) evs.push(esc)\n  return evs\n}\n\n/* src/adapter/session.js */\n/** Session adapter: Fish suspend, raw mode, stream resolve. Widgets never call this. */\n\nfunction bareTuiEnv(ctx) {\n  return ctx && ctx.env && typeof ctx.env === 'object' ? ctx.env : {}\n}\n\nfunction bareTuiGetSession(ctx) {\n  var i\n  for (i = 0; i < bareTuiSessions.length; i++) {\n    if (bareTuiSessions[i].ctx === ctx) return bareTuiSessions[i]\n  }\n  var s = {\n    ctx: ctx,\n    depth: 0,\n    didSuspend: false,\n    didRaw: false,\n    stdin: null\n  }\n  bareTuiSessions.push(s)\n  return s\n}\n\nfunction bareTuiResolveStdin(ctx, opts) {\n  var o = opts || {}\n  if (o.input) return o.input\n  if (ctx && ctx.replStdin) return ctx.replStdin\n  if (ctx && ctx.stdin) return ctx.stdin\n  var p = typeof globalThis !== 'undefined' ? globalThis.process : null\n  return p && p.stdin ? p.stdin : null\n}\n\nfunction bareTuiResolveStdout(ctx, opts) {\n  var o = opts || {}\n  if (o.output) return o.output\n  if (ctx && ctx.replStdout) return ctx.replStdout\n  if (ctx && ctx.stdout) return ctx.stdout\n  var p = typeof globalThis !== 'undefined' ? globalThis.process : null\n  return p && p.stdout ? p.stdout : null\n}\n\nfunction bareTuiWriteRaw(ctx, opts, chunk) {\n  var out = bareTuiResolveStdout(ctx, opts)\n  var s = typeof chunk === 'string' ? chunk : String(chunk)\n  if (out && typeof out.write === 'function') {\n    out.write(s)\n    return\n  }\n  if (ctx && typeof ctx.writeScreen === 'function') ctx.writeScreen(s)\n}\n\nfunction bareTuiIsTTY(ctx, opts) {\n  var o = opts || {}\n  if (o.isTTY === true) return true\n  if (o.isTTY === false) return false\n  if (ctx && ctx.bareOsStdoutCaptured) return false\n  var stdin = bareTuiResolveStdin(ctx, o)\n  var stdout = bareTuiResolveStdout(ctx, o)\n  var inTty = !!(stdin && stdin.isTTY)\n  var outTty = !!(stdout && stdout.isTTY)\n  return inTty || outTty\n}\n\nfunction bareTuiSize(ctx, opts) {\n  var o = opts || {}\n  if (o.width > 0 && o.height > 0) {\n    return { width: o.width | 0, height: o.height | 0 }\n  }\n  var stdout = bareTuiResolveStdout(ctx, o)\n  var env = bareTuiEnv(ctx)\n  var w =\n    (stdout && stdout.columns) ||\n    parseInt(env.COLUMNS || '', 10) ||\n    o.width ||\n    80\n  var h =\n    (stdout && stdout.rows) || parseInt(env.LINES || '', 10) || o.height || 24\n  if (!isFinite(w) || w < 1) w = 80\n  if (!isFinite(h) || h < 1) h = 24\n  return { width: w | 0, height: h | 0 }\n}\n\nfunction bareTuiNoAltScreen(ctx, opts) {\n  var o = opts || {}\n  if (o.altScreen === false) return true\n  var env = bareTuiEnv(ctx)\n  var v = env.BARE_OS_TUI_NO_ALTSCREEN\n  return v != null && String(v) !== ''\n}\n\nfunction bareTuiAcquire(ctx, opts) {\n  var sess = bareTuiGetSession(ctx)\n  sess.depth++\n  if (sess.depth !== 1) return sess\n  if (ctx && typeof ctx.suspendReplForSubprocess === 'function') {\n    ctx.suspendReplForSubprocess()\n    sess.didSuspend = true\n  }\n  var stdin = bareTuiResolveStdin(ctx, opts)\n  sess.stdin = stdin\n  if (stdin && typeof stdin.setRawMode === 'function') {\n    try {\n      stdin.setRawMode(true)\n      sess.didRaw = true\n    } catch (e) {\n      sess.didRaw = false\n    }\n  }\n  if (stdin && typeof stdin.resume === 'function') {\n    try {\n      stdin.resume()\n    } catch (e2) {\n      /* ignore */\n    }\n  }\n  return sess\n}\n\nfunction bareTuiRelease(ctx, opts) {\n  var sess = bareTuiGetSession(ctx)\n  if (sess.depth < 1) return sess\n  sess.depth--\n  if (sess.depth !== 0) return sess\n  var stdin = sess.stdin || bareTuiResolveStdin(ctx, opts)\n  if (sess.didRaw && stdin && typeof stdin.setRawMode === 'function') {\n    try {\n      stdin.setRawMode(false)\n    } catch (e) {\n      /* ignore */\n    }\n  }\n  sess.didRaw = false\n  if (\n    sess.didSuspend &&\n    ctx &&\n    typeof ctx.resumeReplAfterSubprocess === 'function'\n  ) {\n    try {\n      ctx.resumeReplAfterSubprocess()\n    } catch (e2) {\n      /* ignore */\n    }\n  }\n  sess.didSuspend = false\n  sess.stdin = null\n  return sess\n}\n\nasync function bareTuiWithSession(ctx, fn, opts) {\n  bareTuiAcquire(ctx, opts)\n  var entered = false\n  try {\n    bareTuiScreenEnter(ctx, opts)\n    entered = true\n    return await fn()\n  } finally {\n    if (entered) {\n      try {\n        bareTuiScreenLeave(ctx, opts)\n      } catch (e) {\n        /* ignore */\n      }\n    }\n    bareTuiRelease(ctx, opts)\n  }\n}\n\n/* src/screen/screen.js */\n/** Alternate-screen / cursor / mouse / paste enter-leave. Always pair with adapter. */\n\nfunction bareTuiMouseMode(opts) {\n  var m = opts && opts.mouse\n  if (m === true || m === 'basic') return 'basic'\n  if (m === 'drag' || m === 'motion') return 'drag'\n  if (m === 'all') return 'all'\n  return null\n}\n\nfunction bareTuiScreenEnter(ctx, opts) {\n  var o = opts || {}\n  var parts = []\n  if (!bareTuiNoAltScreen(ctx, o)) parts.push(bareTuiAnsi.enterAltScreen)\n  else parts.push(bareTuiAnsi.home + bareTuiAnsi.eraseDisplay)\n  parts.push(bareTuiAnsi.cursorHide)\n  parts.push(bareTuiAnsi.home)\n  if (o.bracketedPaste !== false) parts.push(bareTuiAnsi.enableBracketPaste)\n  if (o.focus) parts.push(bareTuiAnsi.enableFocus)\n  var mouse = bareTuiMouseMode(o)\n  if (mouse === 'basic') parts.push(bareTuiAnsi.enableMouseBasic)\n  else if (mouse === 'drag') parts.push(bareTuiAnsi.enableMouseDrag)\n  else if (mouse === 'all') parts.push(bareTuiAnsi.enableMouseAll)\n  bareTuiWriteRaw(ctx, o, parts.join(''))\n}\n\nfunction bareTuiScreenLeave(ctx, opts) {\n  var o = opts || {}\n  var parts = []\n  parts.push(bareTuiAnsi.disableMouse)\n  parts.push(bareTuiAnsi.disableFocus)\n  parts.push(bareTuiAnsi.disableBracketPaste)\n  parts.push(bareTuiAnsi.cursorShow)\n  parts.push(bareTuiAnsi.reset)\n  if (!bareTuiNoAltScreen(ctx, o)) parts.push(bareTuiAnsi.leaveAltScreen)\n  bareTuiWriteRaw(ctx, o, parts.join(''))\n}\n\n/* src/theme/theme.js */\n/** Resolve BARE_OS_THEME / BARE_OS_COLOR_* / NO_COLOR into TUI tokens. */\n\nvar BARE_TUI_THEME_FALLBACK = {\n  default: {\n    accent: 'cyan',\n    muted: 'gray',\n    error: 'red',\n    ok: 'green',\n    border: 'blue'\n  },\n  nord: {\n    accent: 'cyan',\n    muted: 'gray',\n    error: 'red',\n    ok: 'green',\n    border: 'blue'\n  },\n  dracula: {\n    accent: 'magenta',\n    muted: 'gray',\n    error: 'red',\n    ok: 'green',\n    border: 'magenta'\n  },\n  solarized_dark: {\n    accent: 'blue',\n    muted: 'gray',\n    error: 'red',\n    ok: 'green',\n    border: 'cyan'\n  },\n  gruvbox_dark: {\n    accent: 'yellow',\n    muted: 'gray',\n    error: 'red',\n    ok: 'green',\n    border: 'yellow'\n  },\n  catppuccin_mocha: {\n    accent: 'blue',\n    muted: 'gray',\n    error: 'red',\n    ok: 'green',\n    border: 'magenta'\n  },\n  tokyo_night: {\n    accent: 'blue',\n    muted: 'gray',\n    error: 'red',\n    ok: 'green',\n    border: 'blue'\n  },\n  github_dark: {\n    accent: 'cyan',\n    muted: 'gray',\n    error: 'red',\n    ok: 'green',\n    border: 'blue'\n  }\n}\n\nfunction bareTuiColorDepth(env) {\n  var raw = env && env.BARE_OS_COLOR_DEPTH\n  var d = raw == null ? '' : String(raw).toLowerCase()\n  if (d === '16' || d === '8' || d === 'ansi') return '16'\n  if (d === '256' || d === '8bit') return '256'\n  return 'truecolor'\n}\n\nfunction bareTuiNoColor(env) {\n  if (!env) return false\n  if (env.NO_COLOR != null && String(env.NO_COLOR) !== '') return true\n  if (String(env.TERM || '').toLowerCase() === 'dumb') return true\n  return false\n}\n\nfunction bareTuiThemeName(env, opts) {\n  var o = opts || {}\n  if (o.theme && typeof o.theme === 'string') return String(o.theme)\n  var e = env || {}\n  var raw = e.BARE_OS_THEME\n  var name = raw == null || raw === '' ? 'default' : String(raw)\n  return name.toLowerCase().trim().replace(/\\s+/g, '_')\n}\n\nfunction bareTuiEnvColor(env, short) {\n  if (!env) return ''\n  var key = 'BARE_OS_COLOR_' + String(short).toUpperCase()\n  var v = env[key]\n  return v == null ? '' : String(v)\n}\n\nfunction bareTuiResolveTheme(ctx, opts) {\n  var env = bareTuiEnv(ctx)\n  var name = bareTuiThemeName(env, opts)\n  var fb = BARE_TUI_THEME_FALLBACK[name] || BARE_TUI_THEME_FALLBACK.default\n  var noColor = bareTuiNoColor(env)\n  return {\n    name: name,\n    noColor: noColor,\n    depth: bareTuiColorDepth(env),\n    tokens: {\n      accent: bareTuiEnvColor(env, 'command') || fb.accent,\n      muted: bareTuiEnvColor(env, 'ghost') || fb.muted,\n      error: bareTuiEnvColor(env, 'envunset') || fb.error,\n      ok: bareTuiEnvColor(env, 'prompt') || fb.ok,\n      border: fb.border,\n      path: bareTuiEnvColor(env, 'path') || 'yellow',\n      search: bareTuiEnvColor(env, 'search') || fb.accent,\n      status: bareTuiEnvColor(env, 'prompt') || fb.ok\n    }\n  }\n}\n\n/* src/layout/style.js */\n/** Lip Gloss–style chainable style + ANSI-aware width. */\n\nvar BARE_TUI_ANSI_RE = /\\x1b\\[[0-9;?]*[A-Za-z]/g\nvar BARE_TUI_ANSI_STICKY = /\\x1b\\[[0-9;?]*[A-Za-z]/y\n\nfunction bareTuiStripAnsi(str) {\n  return String(str).replace(BARE_TUI_ANSI_RE, '')\n}\n\nfunction bareTuiIsZeroWidth(cp) {\n  return (\n    (cp >= 0x0300 && cp <= 0x036f) ||\n    (cp >= 0x1ab0 && cp <= 0x1aff) ||\n    (cp >= 0x1dc0 && cp <= 0x1dff) ||\n    (cp >= 0x20d0 && cp <= 0x20ff) ||\n    (cp >= 0xfe20 && cp <= 0xfe2f) ||\n    cp === 0x200b ||\n    (cp >= 0x200c && cp <= 0x200f) ||\n    cp === 0xfeff\n  )\n}\n\nfunction bareTuiIsWide(cp) {\n  return (\n    (cp >= 0x1100 && cp <= 0x115f) ||\n    (cp >= 0x2e80 && cp <= 0x303e) ||\n    (cp >= 0x3041 && cp <= 0x33ff) ||\n    (cp >= 0x3400 && cp <= 0x4dbf) ||\n    (cp >= 0x4e00 && cp <= 0x9fff) ||\n    (cp >= 0xa000 && cp <= 0xa4cf) ||\n    (cp >= 0xac00 && cp <= 0xd7a3) ||\n    (cp >= 0xf900 && cp <= 0xfaff) ||\n    (cp >= 0xfe30 && cp <= 0xfe4f) ||\n    (cp >= 0xff00 && cp <= 0xff60) ||\n    (cp >= 0xffe0 && cp <= 0xffe6) ||\n    (cp >= 0x1f300 && cp <= 0x1faff) ||\n    (cp >= 0x20000 && cp <= 0x3fffd)\n  )\n}\n\nfunction bareTuiCharWidth(cp) {\n  if (cp === 0) return 0\n  if (cp < 32 || (cp >= 0x7f && cp < 0xa0)) return 0\n  if (bareTuiIsZeroWidth(cp)) return 0\n  if (bareTuiIsWide(cp)) return 2\n  return 1\n}\n\nfunction bareTuiLineWidth(line) {\n  var w = 0\n  var plain = bareTuiStripAnsi(line)\n  for (var i = 0; i < plain.length; ) {\n    var cp = plain.codePointAt(i)\n    w += bareTuiCharWidth(cp)\n    i += cp > 0xffff ? 2 : 1\n  }\n  return w\n}\n\nfunction bareTuiBlockWidth(str) {\n  var w = 0\n  var lines = String(str).split('\\n')\n  for (var i = 0; i < lines.length; i++)\n    w = Math.max(w, bareTuiLineWidth(lines[i]))\n  return w\n}\n\nfunction bareTuiBlockHeight(str) {\n  return String(str).split('\\n').length\n}\n\nfunction bareTuiTruncate(str, w) {\n  if (w <= 0) return ''\n  str = String(str)\n  var out = ''\n  var used = 0\n  var sawAnsi = false\n  var i = 0\n  while (i < str.length) {\n    if (str.charAt(i) === '\\x1b') {\n      BARE_TUI_ANSI_STICKY.lastIndex = i\n      var m = BARE_TUI_ANSI_STICKY.exec(str)\n      if (m) {\n        out += m[0]\n        sawAnsi = true\n        i = BARE_TUI_ANSI_STICKY.lastIndex\n        continue\n      }\n    }\n    var cp = str.codePointAt(i)\n    var ch = String.fromCodePoint(cp)\n    var cw = bareTuiCharWidth(cp)\n    if (used + cw > w) break\n    out += ch\n    used += cw\n    i += ch.length\n  }\n  if (sawAnsi) out += bareTuiAnsi.reset\n  return out\n}\n\nfunction bareTuiPadLine(line, w, pos) {\n  if (pos == null) pos = 0\n  var lw = bareTuiLineWidth(line)\n  if (lw > w) return bareTuiTruncate(line, w)\n  var space = w - lw\n  if (space === 0) return line\n  if (pos <= 0) return line + bareTuiRepeat(' ', space)\n  if (pos >= 1) return bareTuiRepeat(' ', space) + line\n  var left = Math.floor(space * pos)\n  return bareTuiRepeat(' ', left) + line + bareTuiRepeat(' ', space - left)\n}\n\nfunction bareTuiRepeat(ch, n) {\n  if (n <= 0) return ''\n  var s = ''\n  while (s.length < n) s += ch\n  return s\n}\n\nvar BARE_TUI_NAMED = {\n  black: 30,\n  red: 31,\n  green: 32,\n  yellow: 33,\n  blue: 34,\n  magenta: 35,\n  cyan: 36,\n  white: 37,\n  default: 39,\n  gray: 90,\n  grey: 90,\n  brightblack: 90,\n  brightred: 91,\n  brightgreen: 92,\n  brightyellow: 93,\n  brightblue: 94,\n  brightmagenta: 95,\n  brightcyan: 96,\n  brightwhite: 97\n}\n\nfunction bareTuiHexToRgb(hex) {\n  var h = String(hex).replace(/^#/, '')\n  if (h.length === 3)\n    h =\n      h.charAt(0) +\n      h.charAt(0) +\n      h.charAt(1) +\n      h.charAt(1) +\n      h.charAt(2) +\n      h.charAt(2)\n  var n = parseInt(h, 16)\n  if (!isFinite(n)) return null\n  return [(n >> 16) & 255, (n >> 8) & 255, n & 255]\n}\n\nfunction bareTuiRgbTo256(r, g, b) {\n  if (r === g && g === b) {\n    if (r < 8) return 16\n    if (r > 248) return 231\n    return Math.round(((r - 8) / 247) * 24) + 232\n  }\n  return (\n    16 +\n    36 * Math.round((r / 255) * 5) +\n    6 * Math.round((g / 255) * 5) +\n    Math.round((b / 255) * 5)\n  )\n}\n\nfunction bareTuiRgbTo16(r, g, b) {\n  var bright = r > 180 || g > 180 || b > 180\n  var max = Math.max(r, g, b)\n  var min = Math.min(r, g, b)\n  if (max - min < 30) return bright ? 97 : 37\n  if (r >= g && r >= b)\n    return g > 80 && b < 80 ? (bright ? 93 : 33) : bright ? 91 : 31\n  if (g >= r && g >= b) return b > 80 ? (bright ? 96 : 36) : bright ? 92 : 32\n  return r > 80 ? (bright ? 95 : 35) : bright ? 94 : 34\n}\n\nfunction bareTuiColorParams(spec, bg, depth) {\n  if (spec === undefined || spec === null || spec === '') return []\n  var lead = bg ? 48 : 38\n  var d = depth || 'truecolor'\n\n  if (typeof spec === 'number') {\n    if (d === '16')\n      return [\n        bg\n          ? spec >= 8\n            ? spec - 8 + 100\n            : spec + 40\n          : spec >= 8\n            ? spec - 8 + 90\n            : spec + 30\n      ]\n    return [lead, 5, spec & 255]\n  }\n\n  var s = String(spec)\n  if (s.charAt(0) === '\\x1b') return []\n\n  if (s.charAt(0) === '#') {\n    var rgb = bareTuiHexToRgb(s)\n    if (!rgb) return []\n    if (d === 'truecolor') return [lead, 2, rgb[0], rgb[1], rgb[2]]\n    if (d === '256') return [lead, 5, bareTuiRgbTo256(rgb[0], rgb[1], rgb[2])]\n    var n16 = bareTuiRgbTo16(rgb[0], rgb[1], rgb[2])\n    return [bg ? n16 + 10 : n16]\n  }\n  var name = s.toLowerCase()\n  if (name in BARE_TUI_NAMED)\n    return [bg ? BARE_TUI_NAMED[name] + 10 : BARE_TUI_NAMED[name]]\n  if (/^\\d+$/.test(s)) {\n    var idx = parseInt(s, 10) & 255\n    if (d === '16') return [bg ? 40 : 30]\n    return [lead, 5, idx]\n  }\n  return []\n}\n\nfunction bareTuiSgrParams(params) {\n  return params.length ? bareTuiAnsi.csi + params.join(';') + 'm' : ''\n}\n\nvar BARE_TUI_BORDERS = {\n  normal: {\n    topLeft: '\\u250c',\n    top: '\\u2500',\n    topRight: '\\u2510',\n    left: '\\u2502',\n    right: '\\u2502',\n    bottomLeft: '\\u2514',\n    bottom: '\\u2500',\n    bottomRight: '\\u2518'\n  },\n  rounded: {\n    topLeft: '\\u256d',\n    top: '\\u2500',\n    topRight: '\\u256e',\n    left: '\\u2502',\n    right: '\\u2502',\n    bottomLeft: '\\u2570',\n    bottom: '\\u2500',\n    bottomRight: '\\u256f'\n  },\n  thick: {\n    topLeft: '\\u250f',\n    top: '\\u2501',\n    topRight: '\\u2513',\n    left: '\\u2503',\n    right: '\\u2503',\n    bottomLeft: '\\u2517',\n    bottom: '\\u2501',\n    bottomRight: '\\u251b'\n  },\n  double: {\n    topLeft: '\\u2554',\n    top: '\\u2550',\n    topRight: '\\u2557',\n    left: '\\u2551',\n    right: '\\u2551',\n    bottomLeft: '\\u255a',\n    bottom: '\\u2550',\n    bottomRight: '\\u255d'\n  }\n}\n\nvar BARE_TUI_POSITION = { top: 0, left: 0, center: 0.5, right: 1, bottom: 1 }\n\nfunction bareTuiSides(args) {\n  var a = []\n  var i\n  for (i = 0; i < args.length; i++) a.push(args[i] || 0)\n  if (a.length <= 1) return [a[0] || 0, a[0] || 0, a[0] || 0, a[0] || 0]\n  if (a.length === 2) return [a[0], a[1], a[0], a[1]]\n  if (a.length === 3) return [a[0], a[1], a[2], a[1]]\n  return [a[0], a[1], a[2], a[3]]\n}\n\nfunction BareTuiStyle(props) {\n  this.props = props || {}\n}\n\nBareTuiStyle.prototype._with = function (patch) {\n  var next = {}\n  var k\n  for (k in this.props) {\n    if (Object.prototype.hasOwnProperty.call(this.props, k))\n      next[k] = this.props[k]\n  }\n  for (k in patch) {\n    if (Object.prototype.hasOwnProperty.call(patch, k)) next[k] = patch[k]\n  }\n  return new BareTuiStyle(next)\n}\n\nBareTuiStyle.prototype.bold = function (v) {\n  return this._with({ bold: v !== false })\n}\nBareTuiStyle.prototype.faint = function (v) {\n  return this._with({ faint: v !== false })\n}\nBareTuiStyle.prototype.dim = function (v) {\n  return this.faint(v)\n}\nBareTuiStyle.prototype.italic = function (v) {\n  return this._with({ italic: v !== false })\n}\nBareTuiStyle.prototype.underline = function (v) {\n  return this._with({ underline: v !== false })\n}\nBareTuiStyle.prototype.strikethrough = function (v) {\n  return this._with({ strikethrough: v !== false })\n}\nBareTuiStyle.prototype.reverse = function (v) {\n  return this._with({ reverse: v !== false })\n}\nBareTuiStyle.prototype.foreground = function (c) {\n  return this._with({ fg: c })\n}\nBareTuiStyle.prototype.background = function (c) {\n  return this._with({ bg: c })\n}\nBareTuiStyle.prototype.width = function (n) {\n  return this._with({ width: n })\n}\nBareTuiStyle.prototype.height = function (n) {\n  return this._with({ height: n })\n}\nBareTuiStyle.prototype.align = function (pos) {\n  return this._with({ align: pos })\n}\nBareTuiStyle.prototype.alignVertical = function (pos) {\n  return this._with({ alignV: pos })\n}\nBareTuiStyle.prototype.padding = function () {\n  return this._with({ padding: bareTuiSides(arguments) })\n}\nBareTuiStyle.prototype.margin = function () {\n  return this._with({ margin: bareTuiSides(arguments) })\n}\nBareTuiStyle.prototype.border = function (chars) {\n  var rest = []\n  var i\n  for (i = 1; i < arguments.length; i++) rest.push(arguments[i])\n  var on = rest.length\n    ? bareTuiSides(rest).map(Boolean)\n    : [true, true, true, true]\n  return this._with({ border: chars, borderSides: on })\n}\nBareTuiStyle.prototype.borderForeground = function (c) {\n  return this._with({ borderFg: c })\n}\n\nBareTuiStyle.prototype._open = function () {\n  if (this.props.noColor) return ''\n  var p = this.props\n  var params = []\n  if (p.bold) params.push(1)\n  if (p.faint) params.push(2)\n  if (p.italic) params.push(3)\n  if (p.underline) params.push(4)\n  if (p.reverse) params.push(7)\n  if (p.strikethrough) params.push(9)\n  var depth = p.depth || 'truecolor'\n  var fg = bareTuiColorParams(p.fg, false, depth)\n  var bg = bareTuiColorParams(p.bg, true, depth)\n  var i\n  for (i = 0; i < fg.length; i++) params.push(fg[i])\n  for (i = 0; i < bg.length; i++) params.push(bg[i])\n  return bareTuiSgrParams(params)\n}\n\nBareTuiStyle.prototype.render = function (text) {\n  var p = this.props\n  var pad = p.padding || [0, 0, 0, 0]\n  var mar = p.margin || [0, 0, 0, 0]\n  var align = p.align || 0\n  var lines = String(text).split('\\n')\n  var block =\n    !!p.border ||\n    (p.bg !== undefined && p.bg !== null) ||\n    !!p.width ||\n    align !== 0 ||\n    pad[0] ||\n    pad[1] ||\n    pad[2] ||\n    pad[3]\n  var contentW = p.width || bareTuiBlockWidth(lines.join('\\n'))\n  var i\n  if (block) {\n    for (i = 0; i < lines.length; i++)\n      lines[i] = bareTuiPadLine(lines[i], contentW, align)\n  } else {\n    for (i = 0; i < lines.length; i++) {\n      if (bareTuiLineWidth(lines[i]) > contentW)\n        lines[i] = bareTuiTruncate(lines[i], contentW)\n    }\n  }\n  if (p.height)\n    lines = bareTuiFitHeight(lines, p.height, contentW, p.alignV || 0)\n  var innerW = contentW + pad[1] + pad[3]\n  if (pad[1] || pad[3]) {\n    var lp = bareTuiRepeat(' ', pad[3])\n    var rp = bareTuiRepeat(' ', pad[1])\n    for (i = 0; i < lines.length; i++) lines[i] = lp + lines[i] + rp\n  }\n  var blank = bareTuiRepeat(' ', innerW)\n  for (i = 0; i < pad[0]; i++) lines.unshift(blank)\n  for (i = 0; i < pad[2]; i++) lines.push(blank)\n  var open = this._open()\n  if (open) {\n    var reset = bareTuiAnsi.reset\n    for (i = 0; i < lines.length; i++) {\n      lines[i] =\n        open +\n        String(lines[i])\n          .split(reset)\n          .join(reset + open) +\n        reset\n    }\n  }\n  if (p.border)\n    lines = bareTuiApplyBorder(\n      lines,\n      innerW,\n      p.border,\n      p.borderSides,\n      p.borderFg,\n      p\n    )\n  if (mar[3] || mar[1]) {\n    var lm = bareTuiRepeat(' ', mar[3])\n    var rm = bareTuiRepeat(' ', mar[1])\n    for (i = 0; i < lines.length; i++) lines[i] = lm + lines[i] + rm\n  }\n  var fullW = bareTuiBlockWidth(lines.join('\\n'))\n  var marginBlank = bareTuiRepeat(' ', fullW)\n  for (i = 0; i < mar[0]; i++) lines.unshift(marginBlank)\n  for (i = 0; i < mar[2]; i++) lines.push(marginBlank)\n  return lines.join('\\n')\n}\n\nfunction bareTuiFitHeight(lines, h, w, posV) {\n  if (lines.length >= h) return lines.slice(0, h)\n  var extra = h - lines.length\n  var before = posV <= 0 ? 0 : posV >= 1 ? extra : Math.floor(extra * posV)\n  var blank = bareTuiRepeat(' ', w)\n  var out = []\n  var i\n  for (i = 0; i < before; i++) out.push(blank)\n  for (i = 0; i < lines.length; i++) out.push(lines[i])\n  for (i = 0; i < extra - before; i++) out.push(blank)\n  return out\n}\n\nfunction bareTuiApplyBorder(lines, innerW, chars, on, fg, props) {\n  var t = on[0]\n  var r = on[1]\n  var b = on[2]\n  var l = on[3]\n  var depth = (props && props.depth) || 'truecolor'\n  var noColor = props && props.noColor\n  var paint = function (s) {\n    if (noColor) return s\n    var params = bareTuiColorParams(fg, false, depth)\n    return params.length ? bareTuiSgrParams(params) + s + bareTuiAnsi.reset : s\n  }\n  var out = []\n  if (t) {\n    out.push(\n      paint(\n        (l ? chars.topLeft : '') +\n          bareTuiRepeat(chars.top, innerW) +\n          (r ? chars.topRight : '')\n      )\n    )\n  }\n  var left = l ? paint(chars.left) : ''\n  var right = r ? paint(chars.right) : ''\n  var i\n  for (i = 0; i < lines.length; i++) out.push(left + lines[i] + right)\n  if (b) {\n    out.push(\n      paint(\n        (l ? chars.bottomLeft : '') +\n          bareTuiRepeat(chars.bottom, innerW) +\n          (r ? chars.bottomRight : '')\n      )\n    )\n  }\n  return out\n}\n\nfunction bareTuiJoinHorizontal(pos) {\n  var blocks = []\n  var i\n  for (i = 1; i < arguments.length; i++) blocks.push(arguments[i])\n  var cols = []\n  var widths = []\n  var h = 0\n  for (i = 0; i < blocks.length; i++) {\n    var lines = String(blocks[i]).split('\\n')\n    cols.push(lines)\n    widths.push(bareTuiBlockWidth(lines.join('\\n')))\n    if (lines.length > h) h = lines.length\n  }\n  var padded = []\n  for (i = 0; i < cols.length; i++) {\n    var filled = []\n    var j\n    for (j = 0; j < cols[i].length; j++)\n      filled.push(bareTuiPadLine(cols[i][j], widths[i], 0))\n    var extra = h - filled.length\n    var before = pos <= 0 ? 0 : pos >= 1 ? extra : Math.floor(extra * pos)\n    var blank = bareTuiRepeat(' ', widths[i])\n    var col = []\n    for (j = 0; j < before; j++) col.push(blank)\n    for (j = 0; j < filled.length; j++) col.push(filled[j])\n    for (j = 0; j < extra - before; j++) col.push(blank)\n    padded.push(col)\n  }\n  var out = []\n  var row\n  for (row = 0; row < h; row++) {\n    var s = ''\n    for (i = 0; i < padded.length; i++) s += padded[i][row]\n    out.push(s)\n  }\n  return out.join('\\n')\n}\n\nfunction bareTuiJoinVertical(pos) {\n  var blocks = []\n  var i\n  for (i = 1; i < arguments.length; i++) blocks.push(arguments[i])\n  var w = 0\n  var cols = []\n  for (i = 0; i < blocks.length; i++) {\n    var lines = String(blocks[i]).split('\\n')\n    cols.push(lines)\n    var bw = bareTuiBlockWidth(lines.join('\\n'))\n    if (bw > w) w = bw\n  }\n  var out = []\n  for (i = 0; i < cols.length; i++) {\n    var j\n    for (j = 0; j < cols[i].length; j++)\n      out.push(bareTuiPadLine(cols[i][j], w, pos))\n  }\n  return out.join('\\n')\n}\n\nfunction bareTuiMakeStyleFactory(ctx) {\n  function style() {\n    var theme = bareTuiResolveTheme(ctx, {})\n    return new BareTuiStyle({ noColor: theme.noColor, depth: theme.depth })\n  }\n  style.Style = BareTuiStyle\n  style.borders = BARE_TUI_BORDERS\n  style.position = BARE_TUI_POSITION\n  style.joinHorizontal = bareTuiJoinHorizontal\n  style.joinVertical = bareTuiJoinVertical\n  style.width = bareTuiBlockWidth\n  style.height = bareTuiBlockHeight\n  style.truncate = bareTuiTruncate\n  style.stripAnsi = bareTuiStripAnsi\n  return style\n}\n\n/* src/buffer/grid.js */\n/** Cell grid: parse ANSI text, blit overlays, serialize rows. */\n\nvar BARE_TUI_CELL_BOLD = 1\nvar BARE_TUI_CELL_DIM = 2\nvar BARE_TUI_CELL_REV = 4\n\nfunction bareTuiCellEmpty() {\n  return { ch: ' ', fg: '', bg: '', attrs: 0 }\n}\n\nfunction bareTuiGridCreate(rows, cols) {\n  rows = Math.max(1, rows | 0)\n  cols = Math.max(1, cols | 0)\n  var cells = []\n  var r\n  for (r = 0; r < rows; r++) {\n    var row = []\n    var c\n    for (c = 0; c < cols; c++) row.push(bareTuiCellEmpty())\n    cells.push(row)\n  }\n  return { rows: rows, cols: cols, cells: cells }\n}\n\nfunction bareTuiGridClear(grid) {\n  var r, c\n  for (r = 0; r < grid.rows; r++) {\n    for (c = 0; c < grid.cols; c++) grid.cells[r][c] = bareTuiCellEmpty()\n  }\n}\n\nfunction bareTuiGridPut(grid, r, c, ch, fg, bg, attrs) {\n  if (r < 0 || c < 0 || r >= grid.rows || c >= grid.cols) return\n  grid.cells[r][c] = { ch: ch, fg: fg || '', bg: bg || '', attrs: attrs | 0 }\n}\n\nfunction bareTuiApplySgr(state, params) {\n  var i = 0\n  if (!params.length) params = [0]\n  while (i < params.length) {\n    var n = params[i++] | 0\n    if (n === 0) {\n      state.fg = ''\n      state.bg = ''\n      state.attrs = 0\n    } else if (n === 1) state.attrs |= BARE_TUI_CELL_BOLD\n    else if (n === 2) state.attrs |= BARE_TUI_CELL_DIM\n    else if (n === 22) state.attrs &= ~(BARE_TUI_CELL_BOLD | BARE_TUI_CELL_DIM)\n    else if (n === 7) state.attrs |= BARE_TUI_CELL_REV\n    else if (n === 27) state.attrs &= ~BARE_TUI_CELL_REV\n    else if ((n >= 30 && n <= 37) || (n >= 90 && n <= 97)) state.fg = String(n)\n    else if (n === 39) state.fg = ''\n    else if ((n >= 40 && n <= 47) || (n >= 100 && n <= 107))\n      state.bg = String(n)\n    else if (n === 49) state.bg = ''\n    else if (n === 38 || n === 48) {\n      var kind = params[i++] | 0\n      var key = n === 38 ? 'fg' : 'bg'\n      if (kind === 5) {\n        state[key] = n + ';5;' + (params[i++] | 0)\n      } else if (kind === 2) {\n        var r = params[i++] | 0\n        var g = params[i++] | 0\n        var b = params[i++] | 0\n        state[key] = n + ';2;' + r + ';' + g + ';' + b\n      }\n    }\n  }\n}\n\nfunction bareTuiParseSgrParams(body) {\n  if (!body) return [0]\n  var parts = String(body).split(';')\n  var out = []\n  var i\n  for (i = 0; i < parts.length; i++) {\n    if (parts[i] === '') out.push(0)\n    else out.push(parseInt(parts[i], 10) || 0)\n  }\n  return out\n}\n\nfunction bareTuiGridWriteText(grid, startRow, startCol, text) {\n  var state = { fg: '', bg: '', attrs: 0 }\n  var r = startRow\n  var c = startCol\n  var i = 0\n  text = String(text == null ? '' : text)\n  while (i < text.length) {\n    var ch0 = text.charAt(i)\n    if (ch0 === '\\n') {\n      r++\n      c = startCol\n      i++\n      continue\n    }\n    if (ch0 === '\\r') {\n      i++\n      continue\n    }\n    if (ch0 === '\\x1b') {\n      BARE_TUI_ANSI_STICKY.lastIndex = i\n      var m = BARE_TUI_ANSI_STICKY.exec(text)\n      if (m) {\n        var seq = m[0]\n        i = BARE_TUI_ANSI_STICKY.lastIndex\n        if (seq.charAt(seq.length - 1) === 'm') {\n          var inner = seq.slice(2, seq.length - 1)\n          bareTuiApplySgr(state, bareTuiParseSgrParams(inner))\n        }\n        continue\n      }\n    }\n    var cp = text.codePointAt(i)\n    var glyph = String.fromCodePoint(cp)\n    var cw = bareTuiCharWidth(cp)\n    i += glyph.length\n    if (cw <= 0) continue\n    bareTuiGridPut(grid, r, c, glyph, state.fg, state.bg, state.attrs)\n    if (cw === 2 && c + 1 < grid.cols) {\n      bareTuiGridPut(grid, r, c + 1, '', state.fg, state.bg, state.attrs)\n    }\n    c += cw\n  }\n}\n\nfunction bareTuiGridFill(grid, text) {\n  bareTuiGridClear(grid)\n  bareTuiGridWriteText(grid, 0, 0, text)\n  return grid\n}\n\nfunction bareTuiGridBlit(grid, row, col, text) {\n  var tmpRows = String(text == null ? '' : text).split('\\n').length\n  var tmpCols = Math.max(1, bareTuiBlockWidth(text || ' '))\n  var tmp = bareTuiGridCreate(tmpRows, tmpCols)\n  bareTuiGridWriteText(tmp, 0, 0, text)\n  var r, c\n  for (r = 0; r < tmp.rows; r++) {\n    for (c = 0; c < tmp.cols; c++) {\n      var cell = tmp.cells[r][c]\n      if (cell.ch === ' ' && !cell.fg && !cell.bg && !cell.attrs) continue\n      bareTuiGridPut(\n        grid,\n        row + r,\n        col + c,\n        cell.ch,\n        cell.fg,\n        cell.bg,\n        cell.attrs\n      )\n    }\n  }\n  return grid\n}\n\nfunction bareTuiGridPlain(grid) {\n  var lines = []\n  var r, c\n  for (r = 0; r < grid.rows; r++) {\n    var s = ''\n    for (c = 0; c < grid.cols; c++) {\n      var ch = grid.cells[r][c].ch\n      if (ch !== '') s += ch\n    }\n    lines.push(s.replace(/\\s+$/, ''))\n  }\n  return lines\n}\n\nfunction bareTuiGridRowKey(grid, r) {\n  var s = ''\n  var c\n  for (c = 0; c < grid.cols; c++) {\n    var cell = grid.cells[r][c]\n    s +=\n      cell.ch +\n      '\\x01' +\n      cell.fg +\n      '\\x01' +\n      cell.bg +\n      '\\x01' +\n      cell.attrs +\n      '\\x02'\n  }\n  return s\n}\n\nfunction bareTuiCellSgr(cell) {\n  var params = []\n  if (cell.attrs & BARE_TUI_CELL_BOLD) params.push(1)\n  if (cell.attrs & BARE_TUI_CELL_DIM) params.push(2)\n  if (cell.attrs & BARE_TUI_CELL_REV) params.push(7)\n  if (cell.fg) {\n    var fg = String(cell.fg)\n    if (fg.indexOf(';') >= 0) {\n      var fp = fg.split(';')\n      var fi\n      for (fi = 0; fi < fp.length; fi++) params.push(parseInt(fp[fi], 10) || 0)\n    } else params.push(parseInt(fg, 10) || 0)\n  }\n  if (cell.bg) {\n    var bg = String(cell.bg)\n    if (bg.indexOf(';') >= 0) {\n      var bp = bg.split(';')\n      var bi\n      for (bi = 0; bi < bp.length; bi++) params.push(parseInt(bp[bi], 10) || 0)\n    } else params.push(parseInt(bg, 10) || 0)\n  }\n  return params.length ? bareTuiAnsi.csi + params.join(';') + 'm' : ''\n}\n\nfunction bareTuiGridPaintRow(grid, r) {\n  var out = ''\n  var last = ''\n  var c\n  for (c = 0; c < grid.cols; c++) {\n    var cell = grid.cells[r][c]\n    if (cell.ch === '') continue\n    var sg = bareTuiCellSgr(cell)\n    if (sg !== last) {\n      out += bareTuiAnsi.reset + sg\n      last = sg\n    }\n    out += cell.ch\n  }\n  if (last) out += bareTuiAnsi.reset\n  return out\n}\n\n/* src/render/line-diff.js */\n/** Line-diff renderer. Repaints only changed rows. Does not own alt-screen. */\n\nfunction BareTuiRenderer(output) {\n  this.out = output\n  this.mode = 'line'\n  this.lastLines = null\n}\n\nBareTuiRenderer.prototype.clear = function () {\n  this.lastLines = null\n}\n\nBareTuiRenderer.prototype.write = function (s) {\n  if (!s) return\n  if (this.out && typeof this.out.write === 'function') this.out.write(s)\n}\n\nBareTuiRenderer.prototype.render = function (view) {\n  var lines = String(view).split('\\n')\n  var s = ''\n  var i\n  if (this.lastLines === null) {\n    s += bareTuiAnsi.home\n    for (i = 0; i < lines.length; i++) {\n      s += bareTuiAnsi.eraseLineEnd + lines[i]\n      if (i < lines.length - 1) s += '\\r\\n'\n    }\n    s += bareTuiAnsi.eraseDisplayEnd\n  } else {\n    for (i = 0; i < lines.length; i++) {\n      if (lines[i] !== this.lastLines[i]) {\n        s += bareTuiAnsi.cursorTo(i, 0) + bareTuiAnsi.eraseLineEnd + lines[i]\n      }\n    }\n    if (this.lastLines.length > lines.length) {\n      s += bareTuiAnsi.cursorTo(lines.length, 0) + bareTuiAnsi.eraseDisplayEnd\n    }\n  }\n  this.lastLines = lines\n  this.write(s)\n}\n\n/* src/render/cell.js */\n/** Dirty-row cell renderer. Base view + overlays; no layout insert. */\n\nfunction BareTuiCellRenderer(output, opts) {\n  opts = opts || {}\n  this.out = output\n  this.mode = 'cell'\n  this.rows = Math.max(1, opts.rows || opts.height || 24)\n  this.cols = Math.max(1, opts.cols || opts.width || 80)\n  this.grid = bareTuiGridCreate(this.rows, this.cols)\n  this.lastKeys = null\n}\n\nBareTuiCellRenderer.prototype.write = function (s) {\n  if (!s) return\n  if (this.out && typeof this.out.write === 'function') this.out.write(s)\n}\n\nBareTuiCellRenderer.prototype.resize = function (rows, cols) {\n  rows = Math.max(1, rows | 0)\n  cols = Math.max(1, cols | 0)\n  if (rows === this.rows && cols === this.cols) return\n  this.rows = rows\n  this.cols = cols\n  this.grid = bareTuiGridCreate(rows, cols)\n  this.lastKeys = null\n}\n\nBareTuiCellRenderer.prototype.clear = function () {\n  this.lastKeys = null\n}\n\nBareTuiCellRenderer.prototype.render = function (view, overlays) {\n  bareTuiGridFill(this.grid, view == null ? '' : view)\n  if (overlays && overlays.length) {\n    var i\n    for (i = 0; i < overlays.length; i++) {\n      var ov = overlays[i]\n      if (!ov || ov.text == null) continue\n      bareTuiGridBlit(this.grid, ov.row | 0, ov.col | 0, ov.text)\n    }\n  }\n  var keys = []\n  var s = ''\n  var r\n  for (r = 0; r < this.grid.rows; r++) {\n    keys[r] = bareTuiGridRowKey(this.grid, r)\n    if (this.lastKeys && this.lastKeys[r] === keys[r]) continue\n    s +=\n      bareTuiAnsi.cursorTo(r, 0) +\n      bareTuiAnsi.eraseLineEnd +\n      bareTuiGridPaintRow(this.grid, r)\n  }\n  if (!this.lastKeys) s = bareTuiAnsi.home + s\n  this.lastKeys = keys\n  this.write(s)\n}\n\nBareTuiCellRenderer.prototype.plain = function () {\n  return bareTuiGridPlain(this.grid)\n}\n\n/* src/program/commands.js */\n/** TEA commands. A Cmd is () => Msg | Promise<Msg> | null, or a marker object. */\n\nfunction bareTuiQuitCmd() {\n  return { type: 'quit' }\n}\n\nfunction bareTuiTick(ms, fn) {\n  var delay = ms | 0\n  if (delay < 0) delay = 0\n  return function () {\n    return new Promise(function (resolve) {\n      setTimeout(function () {\n        resolve(fn ? fn(new Date()) : { type: 'tick' })\n      }, delay)\n    })\n  }\n}\n\nfunction bareTuiEvery(ms, fn) {\n  var period = ms | 0\n  if (period < 1) period = 1\n  return function () {\n    return new Promise(function (resolve) {\n      var wait = period - (Date.now() % period)\n      setTimeout(function () {\n        resolve(fn ? fn(new Date()) : { type: 'tick' })\n      }, wait)\n    })\n  }\n}\n\nfunction bareTuiBatch() {\n  var out = []\n  var i\n  for (i = 0; i < arguments.length; i++) {\n    var c = arguments[i]\n    if (Array.isArray(c)) {\n      var j\n      for (j = 0; j < c.length; j++) if (c[j]) out.push(c[j])\n    } else if (c) {\n      out.push(c)\n    }\n  }\n  return out\n}\n\nfunction bareTuiSequence() {\n  var out = []\n  var i\n  for (i = 0; i < arguments.length; i++) {\n    var c = arguments[i]\n    if (Array.isArray(c)) {\n      var j\n      for (j = 0; j < c.length; j++) if (c[j]) out.push(c[j])\n    } else if (c) {\n      out.push(c)\n    }\n  }\n  return { __seq: out }\n}\n\nfunction bareTuiSuspend(fn) {\n  return { __suspend: fn }\n}\n\n/* src/program/program.js */\n/** TEA Program: init / update / view over the session adapter. */\n\nvar bareTuiActivePrograms = []\n\nfunction bareTuiActiveProgram(ctx) {\n  var i\n  for (i = bareTuiActivePrograms.length - 1; i >= 0; i--) {\n    if (bareTuiActivePrograms[i].ctx === ctx) return bareTuiActivePrograms[i]\n  }\n  return null\n}\n\nfunction BareTuiProgram(ctx, model, opts) {\n  this.ctx = ctx\n  this.model = model\n  this.opts = opts || {}\n  this.fps = this.opts.fps == null ? 60 : this.opts.fps\n  this._frameMs = this.fps > 0 ? Math.max(1, Math.round(1000 / this.fps)) : 0\n  this._frameTimer = null\n  this._needsRender = false\n  this._queue = []\n  this._wake = null\n  this._running = false\n  this._tornDown = false\n  this._suspended = false\n  this._decoder = null\n  this._onInput = null\n  this._onResize = null\n  this._escTimer = null\n  this._abortOn = null\n  this.input = bareTuiResolveStdin(ctx, this.opts)\n  this.output = bareTuiResolveStdout(ctx, this.opts)\n  if (!this.output || typeof this.output.write !== 'function') {\n    throw new Error('tui: no output stream; pass opts.output')\n  }\n  this._overlayMap = {}\n  var size0 = bareTuiSize(ctx, this.opts)\n  if (this.opts.buffer === 'cell') {\n    this.renderer = new BareTuiCellRenderer(this.output, {\n      rows: this.opts.height || size0.height,\n      cols: this.opts.width || size0.width\n    })\n  } else {\n    this.renderer = new BareTuiRenderer(this.output)\n  }\n}\n\nBareTuiProgram.prototype.setOverlay = function (id, spec) {\n  if (!id) return\n  if (!spec) {\n    delete this._overlayMap[id]\n    return\n  }\n  this._overlayMap[id] = spec\n}\n\nBareTuiProgram.prototype.clearOverlay = function (id) {\n  if (id) delete this._overlayMap[id]\n  else this._overlayMap = {}\n}\n\nBareTuiProgram.prototype._overlaysForPaint = function () {\n  var out = []\n  var id\n  for (id in this._overlayMap) {\n    if (\n      Object.prototype.hasOwnProperty.call(this._overlayMap, id) &&\n      this._overlayMap[id]\n    ) {\n      out.push(this._overlayMap[id])\n    }\n  }\n  var model = this.model\n  if (!model) return out\n  var size = bareTuiSize(this.ctx, this.opts)\n  if (typeof model.overlays === 'function') {\n    var list = model.overlays(size) || []\n    var i\n    for (i = 0; i < list.length; i++) if (list[i]) out.push(list[i])\n  } else if (typeof model.overlay === 'function') {\n    var one = model.overlay(size)\n    if (one) out.push(one)\n  }\n  return out\n}\n\nBareTuiProgram.prototype._paint = function () {\n  var view = this._view()\n  if (this.renderer && this.renderer.mode === 'cell') {\n    var sz = bareTuiSize(this.ctx, this.opts)\n    this.renderer.resize(\n      this.opts.height || sz.height,\n      this.opts.width || sz.width\n    )\n    this.renderer.render(view, this._overlaysForPaint())\n  } else {\n    this.renderer.render(view)\n  }\n}\n\nBareTuiProgram.prototype.send = function (msg) {\n  if (!msg) return\n  this._queue.push(msg)\n  if (this._wake) {\n    var wake = this._wake\n    this._wake = null\n    wake()\n  }\n}\n\nBareTuiProgram.prototype.quit = function () {\n  this.send({ type: 'quit' })\n}\n\nBareTuiProgram.prototype.run = async function () {\n  this._running = true\n  bareTuiActivePrograms.push(this)\n  var acquired = false\n  var entered = false\n  try {\n    if (\n      !this.opts.input &&\n      !this.opts.allowDumb &&\n      !bareTuiIsTTY(this.ctx, this.opts)\n    ) {\n      if (\n        this.ctx &&\n        this.ctx.console &&\n        typeof this.ctx.console.error === 'function'\n      ) {\n        this.ctx.console.error('tui: needs a TTY')\n      }\n      if (\n        this.ctx &&\n        (this.ctx.exitCode === undefined || this.ctx.exitCode === null)\n      ) {\n        this.ctx.exitCode = 1\n      }\n      return this.model\n    }\n    bareTuiAcquire(this.ctx, this.opts)\n    acquired = true\n    bareTuiScreenEnter(this.ctx, this.opts)\n    entered = true\n    this._setupInput()\n    if (typeof this.model.init === 'function') this._exec(this.model.init())\n    var size = bareTuiSize(this.ctx, this.opts)\n    this.send({ type: 'resize', width: size.width, height: size.height })\n    this._paint()\n    while (this._running) {\n      var msg = await this._next()\n      if (!msg) continue\n      if (msg.type === 'quit') break\n      if (msg.type === 'resize') this.renderer.clear()\n      var pair = this._update(msg)\n      this.model = pair[0]\n      this._invalidate()\n      this._exec(pair[1])\n    }\n  } finally {\n    this._running = false\n    this._cancelFrame()\n    if (this._needsRender) {\n      this._needsRender = false\n      try {\n        this._paint()\n      } catch (e) {\n        /* ignore */\n      }\n    }\n    this._teardownInput()\n    if (entered) {\n      try {\n        bareTuiScreenLeave(this.ctx, this.opts)\n      } catch (e2) {\n        /* ignore */\n      }\n    }\n    if (acquired) {\n      try {\n        bareTuiRelease(this.ctx, this.opts)\n      } catch (e3) {\n        /* ignore */\n      }\n    }\n    var idx = bareTuiActivePrograms.indexOf(this)\n    if (idx >= 0) bareTuiActivePrograms.splice(idx, 1)\n  }\n  return this.model\n}\n\nBareTuiProgram.prototype._invalidate = function () {\n  var self = this\n  if (this._suspended) return\n  if (this._frameMs === 0) {\n    this._paint()\n    return\n  }\n  this._needsRender = true\n  if (this._frameTimer) return\n  this._frameTimer = setTimeout(function () {\n    self._frameTimer = null\n    if (self._needsRender) {\n      self._needsRender = false\n      self._paint()\n    }\n  }, this._frameMs)\n}\n\nBareTuiProgram.prototype._cancelFrame = function () {\n  if (this._frameTimer) {\n    clearTimeout(this._frameTimer)\n    this._frameTimer = null\n  }\n}\n\nBareTuiProgram.prototype._setupInput = function () {\n  var self = this\n  this._decoder = bareTuiCreateDecoder()\n  this._onInput = function (data) {\n    self._decoder.push(data)\n    if (self._escTimer) {\n      clearTimeout(self._escTimer)\n      self._escTimer = null\n    }\n    var evs = self._decoder.take()\n    var i\n    for (i = 0; i < evs.length; i++) self.send(evs[i])\n    if (self._decoder.pending()) {\n      self._escTimer = setTimeout(function () {\n        self._escTimer = null\n        var esc = self._decoder.flushEscape()\n        if (esc) self.send(esc)\n        var more = self._decoder.take()\n        var j\n        for (j = 0; j < more.length; j++) self.send(more[j])\n      }, 50)\n    }\n  }\n  if (this.input && typeof this.input.on === 'function') {\n    this.input.on('data', this._onInput)\n  }\n  if (this.output && typeof this.output.on === 'function') {\n    this._onResize = function () {\n      var sz = bareTuiSize(self.ctx, self.opts)\n      self.send({ type: 'resize', width: sz.width, height: sz.height })\n    }\n    this.output.on('resize', this._onResize)\n  }\n  var sig = this.opts.signal\n  if (sig && typeof sig.addEventListener === 'function') {\n    this._abortOn = function () {\n      self.quit()\n    }\n    if (sig.aborted) this.quit()\n    else sig.addEventListener('abort', this._abortOn)\n  }\n}\n\nBareTuiProgram.prototype._teardownInput = function () {\n  if (this._tornDown) return\n  this._tornDown = true\n  this._cancelFrame()\n  if (this._escTimer) {\n    clearTimeout(this._escTimer)\n    this._escTimer = null\n  }\n  try {\n    if (\n      this.input &&\n      this._onInput &&\n      typeof this.input.removeListener === 'function'\n    ) {\n      this.input.removeListener('data', this._onInput)\n    }\n  } catch (e) {\n    /* ignore */\n  }\n  try {\n    if (\n      this.output &&\n      this._onResize &&\n      typeof this.output.removeListener === 'function'\n    ) {\n      this.output.removeListener('resize', this._onResize)\n    }\n  } catch (e2) {\n    /* ignore */\n  }\n  if (\n    this.opts.signal &&\n    this._abortOn &&\n    typeof this.opts.signal.removeEventListener === 'function'\n  ) {\n    try {\n      this.opts.signal.removeEventListener('abort', this._abortOn)\n    } catch (e3) {\n      /* ignore */\n    }\n  }\n}\n\nBareTuiProgram.prototype._suspendTerminal = function () {\n  this._suspended = true\n  this._cancelFrame()\n  try {\n    if (\n      this.input &&\n      this._onInput &&\n      typeof this.input.removeListener === 'function'\n    ) {\n      this.input.removeListener('data', this._onInput)\n    }\n  } catch (e) {\n    /* ignore */\n  }\n  try {\n    if (this.input && typeof this.input.pause === 'function') this.input.pause()\n  } catch (e2) {\n    /* ignore */\n  }\n  try {\n    bareTuiScreenLeave(this.ctx, this.opts)\n  } catch (e3) {\n    /* ignore */\n  }\n}\n\nBareTuiProgram.prototype._resumeTerminal = function () {\n  try {\n    bareTuiScreenEnter(this.ctx, this.opts)\n  } catch (e) {\n    /* ignore */\n  }\n  if (this.input && this._onInput && typeof this.input.on === 'function') {\n    this.input.on('data', this._onInput)\n  }\n  try {\n    if (this.input && typeof this.input.resume === 'function')\n      this.input.resume()\n  } catch (e2) {\n    /* ignore */\n  }\n  this.renderer.clear()\n  this._suspended = false\n}\n\nBareTuiProgram.prototype._update = function (msg) {\n  if (!this.model || typeof this.model.update !== 'function')\n    return [this.model, null]\n  var ret = this.model.update(msg)\n  if (ret === undefined || ret === null) return [this.model, null]\n  if (Array.isArray(ret))\n    return [\n      ret[0] != null ? ret[0] : this.model,\n      ret[1] != null ? ret[1] : null\n    ]\n  return [ret, null]\n}\n\nBareTuiProgram.prototype._view = function () {\n  try {\n    if (!this.model || typeof this.model.view !== 'function') return ''\n    return String(this.model.view())\n  } catch (err) {\n    return 'view error: ' + (err && err.message)\n  }\n}\n\nBareTuiProgram.prototype._exec = function (cmd) {\n  this._runCmd(cmd)\n}\n\nBareTuiProgram.prototype._runCmd = async function (cmd) {\n  if (!cmd || !this._running) return\n  var self = this\n  if (Array.isArray(cmd)) {\n    await Promise.all(\n      cmd.map(function (c) {\n        return self._runCmd(c)\n      })\n    )\n    return\n  }\n  if (cmd.__seq) {\n    var i\n    for (i = 0; i < cmd.__seq.length; i++) {\n      if (!this._running) return\n      await this._runCmd(cmd.__seq[i])\n    }\n    return\n  }\n  if (cmd.__suspend) {\n    this._suspendTerminal()\n    var msg = null\n    try {\n      msg = await cmd.__suspend()\n    } catch (error) {\n      msg = { type: 'error', error: error }\n    }\n    if (this._running) {\n      this._resumeTerminal()\n      this._invalidate()\n    }\n    this.send(msg)\n    return\n  }\n  if (typeof cmd !== 'function') return\n  try {\n    this.send(await cmd())\n  } catch (error) {\n    this.send({ type: 'error', error: error })\n  }\n}\n\nBareTuiProgram.prototype._next = async function () {\n  var self = this\n  if (this._queue.length === 0) {\n    await new Promise(function (resolve) {\n      self._wake = resolve\n    })\n  }\n  return this._queue.shift()\n}\n\nfunction bareTuiCreateProgram(ctx, model, opts) {\n  return new BareTuiProgram(ctx, model, opts)\n}\n\nfunction bareTuiRunProgram(ctx, model, opts) {\n  return bareTuiCreateProgram(ctx, model, opts).run()\n}\n\nfunction bareTuiSendActive(ctx, msg) {\n  var p = bareTuiActiveProgram(ctx)\n  if (p) p.send(msg)\n}\n\n/* src/widgets/spinner.js */\n/** Cmd-driven spinner. Route spinner.tick and thread the Cmd up. */\n\nvar BARE_TUI_SPINNER_DOTS = ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏']\nvar BARE_TUI_SPINNER_LINE = ['|', '/', '-', '\\\\']\nvar BARE_TUI_SPINNER_POINTS = ['∙∙∙', '●∙∙', '∙●∙', '∙∙●']\n\nfunction BareTuiSpinner(opts) {\n  opts = opts || {}\n  this.frames = opts.frames || BARE_TUI_SPINNER_DOTS\n  this.fps = opts.fps || 10\n  this.frame = 0\n  this.id = bareTuiNextWidgetId++\n  this.tag = 0\n}\n\nBareTuiSpinner.prototype.init = function () {\n  return this._tick()\n}\n\nBareTuiSpinner.prototype._tick = function () {\n  var id = this.id\n  var tag = this.tag\n  var ms = Math.max(1, Math.round(1000 / this.fps))\n  return bareTuiTick(ms, function () {\n    return { type: 'spinner.tick', id: id, tag: tag }\n  })\n}\n\nBareTuiSpinner.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'spinner.tick') return [this, null]\n  if (msg.id !== this.id || msg.tag !== this.tag) return [this, null]\n  this.frame = (this.frame + 1) % this.frames.length\n  this.tag++\n  return [this, this._tick()]\n}\n\nBareTuiSpinner.prototype.view = function () {\n  return this.frames[this.frame]\n}\n\nvar bareTuiSpinner = {\n  create: function (opts) {\n    return new BareTuiSpinner(opts)\n  },\n  dots: BARE_TUI_SPINNER_DOTS,\n  line: BARE_TUI_SPINNER_LINE,\n  points: BARE_TUI_SPINNER_POINTS\n}\n\n/* src/widgets/textinput.js */\n/** Single-line field. Consumes keys only when focused. */\n\nfunction BareTuiTextInput(opts) {\n  opts = opts || {}\n  this.value = opts.value || ''\n  this.placeholder = opts.placeholder || ''\n  this.prompt = opts.prompt || ''\n  this.charLimit = opts.charLimit || 0\n  this.echoMode = opts.echoMode || 'normal'\n  this.maskChar = opts.maskChar || '•'\n  this.focused = !!opts.focused\n  this.cursor = this.value.length\n}\n\nBareTuiTextInput.prototype.focus = function () {\n  this.focused = true\n  return this\n}\nBareTuiTextInput.prototype.blur = function () {\n  this.focused = false\n  return this\n}\nBareTuiTextInput.prototype.setValue = function (v) {\n  v = String(v)\n  this.value = this.charLimit ? v.slice(0, this.charLimit) : v\n  if (this.cursor > this.value.length) this.cursor = this.value.length\n  return this\n}\nBareTuiTextInput.prototype.reset = function () {\n  this.value = ''\n  this.cursor = 0\n  return this\n}\n\nBareTuiTextInput.prototype.update = function (msg) {\n  if (!this.focused || !msg || msg.type !== 'key') return [this, null]\n  if (msg.is('left')) this.cursor = Math.max(0, this.cursor - 1)\n  else if (msg.is('right'))\n    this.cursor = Math.min(this.value.length, this.cursor + 1)\n  else if (msg.is('home')) this.cursor = 0\n  else if (msg.is('end')) this.cursor = this.value.length\n  else if (msg.is('backspace')) {\n    if (this.cursor > 0) {\n      this.value =\n        this.value.slice(0, this.cursor - 1) + this.value.slice(this.cursor)\n      this.cursor--\n    }\n  } else if (msg.is('delete')) {\n    if (this.cursor < this.value.length) {\n      this.value =\n        this.value.slice(0, this.cursor) + this.value.slice(this.cursor + 1)\n    }\n  } else this._insert(msg)\n  return [this, null]\n}\n\nBareTuiTextInput.prototype._insert = function (msg) {\n  var ch = msg.sequence\n  var printable =\n    !msg.ctrl &&\n    !msg.meta &&\n    typeof ch === 'string' &&\n    ch.length === 1 &&\n    ch >= ' ' &&\n    ch !== '\\x7f'\n  if (!printable) return\n  if (this.charLimit && this.value.length >= this.charLimit) return\n  this.value =\n    this.value.slice(0, this.cursor) + ch + this.value.slice(this.cursor)\n  this.cursor++\n}\n\nBareTuiTextInput.prototype._display = function () {\n  if (this.echoMode === 'password') {\n    var s = ''\n    var i\n    for (i = 0; i < this.value.length; i++) s += this.maskChar\n    return s\n  }\n  return this.value\n}\n\nBareTuiTextInput.prototype.view = function () {\n  var rev = function (s) {\n    return bareTuiAnsi.modifierReverse + s + bareTuiAnsi.modifierNotReverse\n  }\n  var dim = function (s) {\n    return bareTuiAnsi.modifierDim + s + bareTuiAnsi.reset\n  }\n  if (this.value.length === 0) {\n    if (!this.focused) return this.prompt + dim(this.placeholder)\n    var head = this.placeholder.slice(0, 1) || ' '\n    return this.prompt + rev(head) + dim(this.placeholder.slice(1))\n  }\n  var text = this._display()\n  if (!this.focused) return this.prompt + text\n  var at = text.slice(this.cursor, this.cursor + 1) || ' '\n  return (\n    this.prompt +\n    text.slice(0, this.cursor) +\n    rev(at) +\n    text.slice(this.cursor + 1)\n  )\n}\n\nvar bareTuiTextinput = {\n  create: function (opts) {\n    return new BareTuiTextInput(opts)\n  }\n}\n\n/* src/widgets/choices.js */\n/** Checkbox, radio, and compact select. Focus-gated. */\n\nfunction BareTuiCheckbox(opts) {\n  opts = opts || {}\n  this.label = opts.label || ''\n  this.checked = !!opts.checked\n  this.focused = !!opts.focused\n  this.checkedGlyph = opts.checkedGlyph || '[x]'\n  this.uncheckedGlyph = opts.uncheckedGlyph || '[ ]'\n}\nBareTuiCheckbox.prototype.focus = function () {\n  this.focused = true\n  return this\n}\nBareTuiCheckbox.prototype.blur = function () {\n  this.focused = false\n  return this\n}\nBareTuiCheckbox.prototype.setChecked = function (v) {\n  this.checked = !!v\n  return this\n}\nBareTuiCheckbox.prototype.toggle = function () {\n  this.checked = !this.checked\n  return this\n}\nBareTuiCheckbox.prototype.update = function (msg) {\n  if (!this.focused || !msg || msg.type !== 'key') return [this, null]\n  if (msg.is('space')) this.toggle()\n  return [this, null]\n}\nBareTuiCheckbox.prototype.view = function () {\n  var pointer = this.focused ? '› ' : '  '\n  var box = this.checked ? this.checkedGlyph : this.uncheckedGlyph\n  return pointer + (this.label ? box + ' ' + this.label : box)\n}\n\nfunction bareTuiNormOptions(opts) {\n  var raw = (opts && opts.options) || []\n  var out = []\n  var i\n  for (i = 0; i < raw.length; i++) {\n    var it = raw[i]\n    if (it && typeof it === 'object') {\n      out.push({\n        label: it.label != null ? String(it.label) : String(it.value),\n        value: it.value\n      })\n    } else {\n      out.push({ label: String(it), value: it })\n    }\n  }\n  return out\n}\n\nfunction BareTuiRadio(opts) {\n  opts = opts || {}\n  this.options = bareTuiNormOptions(opts)\n  this.selected = opts.selected | 0\n  this.focused = !!opts.focused\n  if (this.selected < 0) this.selected = 0\n  if (this.selected >= this.options.length)\n    this.selected = Math.max(0, this.options.length - 1)\n}\nBareTuiRadio.prototype.focus = function () {\n  this.focused = true\n  return this\n}\nBareTuiRadio.prototype.blur = function () {\n  this.focused = false\n  return this\n}\nBareTuiRadio.prototype.value = function () {\n  var o = this.options[this.selected]\n  return o ? o.value : null\n}\nBareTuiRadio.prototype.update = function (msg) {\n  if (!this.focused || !msg || msg.type !== 'key') return [this, null]\n  if (msg.is('up', 'k')) this.selected = Math.max(0, this.selected - 1)\n  else if (msg.is('down', 'j'))\n    this.selected = Math.min(this.options.length - 1, this.selected + 1)\n  return [this, null]\n}\nBareTuiRadio.prototype.view = function () {\n  var lines = []\n  var i\n  for (i = 0; i < this.options.length; i++) {\n    var mark = i === this.selected ? '(•)' : '( )'\n    var ptr = this.focused && i === this.selected ? '› ' : '  '\n    lines.push(ptr + mark + ' ' + this.options[i].label)\n  }\n  return lines.join('\\n')\n}\n\nfunction BareTuiSelect(opts) {\n  opts = opts || {}\n  this.options = bareTuiNormOptions(opts)\n  this.selected = opts.selected | 0\n  this.placeholder = opts.placeholder || ''\n  this.focused = !!opts.focused\n  this.open = false\n  if (this.selected < 0) this.selected = 0\n}\nBareTuiSelect.prototype.focus = function () {\n  this.focused = true\n  return this\n}\nBareTuiSelect.prototype.blur = function () {\n  this.focused = false\n  this.open = false\n  return this\n}\nBareTuiSelect.prototype.value = function () {\n  var o = this.options[this.selected]\n  return o ? o.value : null\n}\nBareTuiSelect.prototype.update = function (msg) {\n  if (!this.focused || !msg || msg.type !== 'key') return [this, null]\n  if (!this.open) {\n    if (msg.is('enter', 'space', 'down')) this.open = true\n    return [this, null]\n  }\n  if (msg.is('esc')) this.open = false\n  else if (msg.is('enter')) this.open = false\n  else if (msg.is('up', 'k')) this.selected = Math.max(0, this.selected - 1)\n  else if (msg.is('down', 'j'))\n    this.selected = Math.min(this.options.length - 1, this.selected + 1)\n  return [this, null]\n}\nBareTuiSelect.prototype.view = function () {\n  var cur = this.options[this.selected]\n  var label = cur ? cur.label : this.placeholder\n  var ptr = this.focused ? '› ' : '  '\n  return ptr + (label || this.placeholder)\n}\nBareTuiSelect.prototype.menuView = function () {\n  if (!this.open) return ''\n  var lines = []\n  var i\n  for (i = 0; i < this.options.length; i++) {\n    var mark = i === this.selected ? '› ' : '  '\n    lines.push(mark + this.options[i].label)\n  }\n  return lines.join('\\n')\n}\n\nvar bareTuiCheckbox = {\n  create: function (opts) {\n    return new BareTuiCheckbox(opts)\n  }\n}\nvar bareTuiRadio = {\n  create: function (opts) {\n    return new BareTuiRadio(opts)\n  }\n}\nvar bareTuiSelect = {\n  create: function (opts) {\n    return new BareTuiSelect(opts)\n  }\n}\n\n/* src/widgets/scroll.js */\n/** Viewport and paginator. */\n\nfunction BareTuiViewport(opts) {\n  opts = opts || {}\n  this.width = opts.width || 0\n  this.height = opts.height || 0\n  this.yOffset = 0\n  this.lines = []\n}\nBareTuiViewport.prototype.setContent = function (content) {\n  this.lines = String(content).split('\\n')\n  this._clamp()\n  return this\n}\nBareTuiViewport.prototype._max = function () {\n  return Math.max(0, this.lines.length - this.height)\n}\nBareTuiViewport.prototype.atTop = function () {\n  return this.yOffset <= 0\n}\nBareTuiViewport.prototype.atBottom = function () {\n  return this.yOffset >= this._max()\n}\nBareTuiViewport.prototype.setYOffset = function (n) {\n  this.yOffset = n\n  this._clamp()\n  return this\n}\nBareTuiViewport.prototype.scrollUp = function (n) {\n  return this.setYOffset(this.yOffset - (n == null ? 1 : n))\n}\nBareTuiViewport.prototype.scrollDown = function (n) {\n  return this.setYOffset(this.yOffset + (n == null ? 1 : n))\n}\nBareTuiViewport.prototype.gotoTop = function () {\n  return this.setYOffset(0)\n}\nBareTuiViewport.prototype.gotoBottom = function () {\n  return this.setYOffset(this._max())\n}\nBareTuiViewport.prototype._clamp = function () {\n  var max = this._max()\n  if (this.yOffset < 0) this.yOffset = 0\n  if (this.yOffset > max) this.yOffset = max\n}\nBareTuiViewport.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  var h = this.height || 1\n  if (msg.is('up', 'k')) this.scrollUp(1)\n  else if (msg.is('down', 'j')) this.scrollDown(1)\n  else if (msg.is('pageup', 'b')) this.scrollUp(h)\n  else if (msg.is('pagedown', 'f')) this.scrollDown(h)\n  else if (msg.is('home')) this.gotoTop()\n  else if (msg.is('end')) this.gotoBottom()\n  return [this, null]\n}\nBareTuiViewport.prototype.view = function () {\n  var out = []\n  var i\n  for (i = 0; i < this.height; i++) {\n    var line = this.lines[this.yOffset + i]\n    if (line == null) line = ''\n    if (this.width > 0) line = bareTuiTruncate(line, this.width)\n    out.push(line)\n  }\n  return out.join('\\n')\n}\n\nfunction BareTuiPaginator(opts) {\n  opts = opts || {}\n  this.perPage = opts.perPage || 10\n  this.total = opts.total || 0\n  this.page = opts.page || 0\n  this.kind = opts.type || 'dots'\n}\nBareTuiPaginator.prototype.pages = function () {\n  if (this.perPage <= 0) return 1\n  return Math.max(1, Math.ceil(this.total / this.perPage))\n}\nBareTuiPaginator.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  var n = this.pages()\n  if (msg.is('left', 'h', 'pageup')) this.page = Math.max(0, this.page - 1)\n  else if (msg.is('right', 'l', 'pagedown'))\n    this.page = Math.min(n - 1, this.page + 1)\n  return [this, null]\n}\nBareTuiPaginator.prototype.view = function () {\n  var n = this.pages()\n  if (this.kind === 'arabic') return this.page + 1 + '/' + n\n  var s = ''\n  var i\n  for (i = 0; i < n; i++) s += i === this.page ? '●' : '○'\n  return s\n}\n\nvar bareTuiViewport = {\n  create: function (opts) {\n    return new BareTuiViewport(opts)\n  }\n}\nvar bareTuiPaginator = {\n  create: function (opts) {\n    return new BareTuiPaginator(opts)\n  }\n}\n\n/* src/widgets/list.js */\n/** Selectable, optionally filterable list. */\n\nfunction bareTuiItemTitle(item) {\n  if (item == null) return ''\n  if (typeof item === 'string') return item\n  return item.title != null ? String(item.title) : String(item)\n}\nfunction bareTuiItemFilter(item) {\n  if (item == null) return ''\n  if (typeof item === 'string') return item\n  return String(item.filterValue || item.title || item)\n}\n\nfunction BareTuiList(opts) {\n  opts = opts || {}\n  this.items = opts.items ? opts.items.slice() : []\n  this.height = opts.height || 10\n  this.width = opts.width || 0\n  this.title = opts.title || ''\n  this.filterable = opts.filterable !== false\n  this.input = bareTuiTextinput.create({ prompt: '' })\n  this.filter = ''\n  this.filtering = false\n  this.selected = 0\n  this.offset = 0\n  this.filtered = []\n  this._applyFilter()\n}\nBareTuiList.prototype.selectedItem = function () {\n  if (!this.filtered.length) return null\n  return this.items[this.filtered[this.selected]]\n}\nBareTuiList.prototype.setItems = function (items) {\n  this.items = items.slice()\n  this._applyFilter()\n  return this\n}\nBareTuiList.prototype._applyFilter = function () {\n  var q = this.filter.toLowerCase()\n  this.filtered = []\n  var i\n  for (i = 0; i < this.items.length; i++) {\n    if (!q || bareTuiItemFilter(this.items[i]).toLowerCase().indexOf(q) >= 0) {\n      this.filtered.push(i)\n    }\n  }\n  if (this.selected >= this.filtered.length)\n    this.selected = Math.max(0, this.filtered.length - 1)\n  this._keepVisible()\n}\nBareTuiList.prototype._keepVisible = function () {\n  if (this.selected < this.offset) this.offset = this.selected\n  if (this.selected >= this.offset + this.height)\n    this.offset = this.selected - this.height + 1\n  if (this.offset < 0) this.offset = 0\n}\nBareTuiList.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  if (this.filtering) {\n    if (msg.is('escape', 'esc')) {\n      this.filtering = false\n      this.filter = ''\n      this.input.reset().blur()\n      this._applyFilter()\n      return [this, null]\n    }\n    if (msg.is('enter')) {\n      this.filtering = false\n      this.input.blur()\n      return [this, null]\n    }\n    var pair = this.input.update(msg)\n    this.input = pair[0]\n    this.filter = this.input.value\n    this._applyFilter()\n    return [this, pair[1]]\n  }\n  if (this.filterable && msg.is('/')) {\n    this.filtering = true\n    this.input.focus()\n    return [this, null]\n  }\n  if (msg.is('up', 'k')) this.selected = Math.max(0, this.selected - 1)\n  else if (msg.is('down', 'j'))\n    this.selected = Math.min(this.filtered.length - 1, this.selected + 1)\n  else if (msg.is('pageup'))\n    this.selected = Math.max(0, this.selected - this.height)\n  else if (msg.is('pagedown')) {\n    this.selected = Math.min(\n      this.filtered.length - 1,\n      this.selected + this.height\n    )\n  }\n  this._keepVisible()\n  return [this, null]\n}\nBareTuiList.prototype.view = function () {\n  var lines = []\n  if (this.title) lines.push(this.title)\n  if (this.filtering) lines.push('/' + this.input.value)\n  var i\n  for (i = 0; i < this.height; i++) {\n    var idx = this.offset + i\n    if (idx >= this.filtered.length) {\n      lines.push('')\n      continue\n    }\n    var item = this.items[this.filtered[idx]]\n    var title = bareTuiItemTitle(item)\n    if (this.width > 0) title = bareTuiTruncate(title, this.width)\n    if (idx === this.selected) {\n      title =\n        bareTuiAnsi.modifierReverse + title + bareTuiAnsi.modifierNotReverse\n    }\n    lines.push(title)\n  }\n  return lines.join('\\n')\n}\n\nvar bareTuiList = {\n  create: function (opts) {\n    return new BareTuiList(opts)\n  }\n}\n\n/* src/widgets/rest.js */\n/** Progress, table, textarea, help, focus, stopwatch, timer, autocomplete. */\n\nfunction BareTuiProgress(opts) {\n  opts = opts || {}\n  this.width = opts.width || 40\n  this.full = opts.full || '█'\n  this.empty = opts.empty || '░'\n  this.showPercentage = opts.showPercentage !== false\n}\nBareTuiProgress.prototype.setWidth = function (n) {\n  this.width = n\n  return this\n}\nBareTuiProgress.prototype.view = function (percent) {\n  percent = Math.max(0, Math.min(1, percent || 0))\n  var reserve = this.showPercentage ? 5 : 0\n  var w = Math.max(1, this.width - reserve)\n  var filled = Math.round(w * percent)\n  var gap = w - filled\n  var bar = bareTuiRepeat(this.full, filled) + bareTuiRepeat(this.empty, gap)\n  if (!this.showPercentage) return bar\n  var pct = Math.round(percent * 100)\n  var label = String(pct) + '%'\n  while (label.length < 4) label = ' ' + label\n  return bar + ' ' + label\n}\n\nfunction BareTuiTable(opts) {\n  opts = opts || {}\n  this.columns = opts.columns || []\n  this.rows = opts.rows || []\n  this.height = opts.height || 8\n  this.selected = 0\n  this.offset = 0\n}\nBareTuiTable.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  if (msg.is('up', 'k')) this.selected = Math.max(0, this.selected - 1)\n  else if (msg.is('down', 'j'))\n    this.selected = Math.min(this.rows.length - 1, this.selected + 1)\n  if (this.selected < this.offset) this.offset = this.selected\n  if (this.selected >= this.offset + this.height)\n    this.offset = this.selected - this.height + 1\n  return [this, null]\n}\nBareTuiTable.prototype.selectedRow = function () {\n  return this.rows[this.selected] || null\n}\nBareTuiTable.prototype.view = function () {\n  var lines = []\n  var cols = this.columns\n  var header = []\n  var i\n  for (i = 0; i < cols.length; i++) {\n    var c = cols[i]\n    header.push(typeof c === 'string' ? c : c.title || c.key || '')\n  }\n  lines.push(header.join('  '))\n  var r\n  for (r = 0; r < this.height; r++) {\n    var idx = this.offset + r\n    var row = this.rows[idx]\n    if (!row) {\n      lines.push('')\n      continue\n    }\n    var cells = []\n    for (i = 0; i < cols.length; i++) {\n      var col = cols[i]\n      var key = typeof col === 'string' ? col : col.key\n      var val = Array.isArray(row) ? row[i] : row[key]\n      cells.push(val == null ? '' : String(val))\n    }\n    var line = cells.join('  ')\n    if (idx === this.selected)\n      line = bareTuiAnsi.modifierReverse + line + bareTuiAnsi.modifierNotReverse\n    lines.push(line)\n  }\n  return lines.join('\\n')\n}\n\nfunction BareTuiTextarea(opts) {\n  opts = opts || {}\n  this.lines = String(opts.value || '').split('\\n')\n  if (!this.lines.length) this.lines = ['']\n  this.width = opts.width || 40\n  this.height = opts.height || 6\n  this.placeholder = opts.placeholder || ''\n  this.charLimit = opts.charLimit || 0\n  this.focused = !!opts.focused\n  this.row = 0\n  this.col = 0\n}\nBareTuiTextarea.prototype.focus = function () {\n  this.focused = true\n  return this\n}\nBareTuiTextarea.prototype.blur = function () {\n  this.focused = false\n  return this\n}\nBareTuiTextarea.prototype.value = function () {\n  return this.lines.join('\\n')\n}\nBareTuiTextarea.prototype.update = function (msg) {\n  if (!this.focused || !msg || msg.type !== 'key') return [this, null]\n  var line = this.lines[this.row] || ''\n  if (msg.is('up')) this.row = Math.max(0, this.row - 1)\n  else if (msg.is('down'))\n    this.row = Math.min(this.lines.length - 1, this.row + 1)\n  else if (msg.is('left')) {\n    if (this.col > 0) this.col--\n    else if (this.row > 0) {\n      this.row--\n      this.col = (this.lines[this.row] || '').length\n    }\n  } else if (msg.is('right')) {\n    if (this.col < line.length) this.col++\n    else if (this.row < this.lines.length - 1) {\n      this.row++\n      this.col = 0\n    }\n  } else if (msg.is('enter')) {\n    var left = line.slice(0, this.col)\n    var right = line.slice(this.col)\n    this.lines[this.row] = left\n    this.lines.splice(this.row + 1, 0, right)\n    this.row++\n    this.col = 0\n  } else if (msg.is('backspace')) {\n    if (this.col > 0) {\n      this.lines[this.row] = line.slice(0, this.col - 1) + line.slice(this.col)\n      this.col--\n    } else if (this.row > 0) {\n      var prev = this.lines[this.row - 1]\n      this.col = prev.length\n      this.lines[this.row - 1] = prev + line\n      this.lines.splice(this.row, 1)\n      this.row--\n    }\n  } else if (\n    !msg.ctrl &&\n    !msg.meta &&\n    msg.sequence &&\n    msg.sequence.length === 1 &&\n    msg.sequence >= ' '\n  ) {\n    var all = this.value()\n    if (this.charLimit && all.length >= this.charLimit) return [this, null]\n    this.lines[this.row] =\n      line.slice(0, this.col) + msg.sequence + line.slice(this.col)\n    this.col++\n  }\n  if (this.col > (this.lines[this.row] || '').length)\n    this.col = (this.lines[this.row] || '').length\n  return [this, null]\n}\nBareTuiTextarea.prototype.view = function () {\n  if (!this.value() && this.placeholder && !this.focused) {\n    return bareTuiAnsi.modifierDim + this.placeholder + bareTuiAnsi.reset\n  }\n  var out = []\n  var i\n  for (i = 0; i < this.height; i++) {\n    var line = this.lines[i] || ''\n    if (this.focused && i === this.row) {\n      var at = line.slice(this.col, this.col + 1) || ' '\n      line =\n        line.slice(0, this.col) +\n        bareTuiAnsi.modifierReverse +\n        at +\n        bareTuiAnsi.modifierNotReverse +\n        line.slice(this.col + 1)\n    }\n    if (this.width > 0) line = bareTuiTruncate(line, this.width)\n    out.push(line)\n  }\n  return out.join('\\n')\n}\n\nfunction BareTuiHelp() {}\nBareTuiHelp.prototype.view = function (keymap) {\n  if (!keymap) return ''\n  var parts = []\n  var k\n  for (k in keymap) {\n    if (!Object.prototype.hasOwnProperty.call(keymap, k)) continue\n    var b = keymap[k]\n    var help = b && b.help\n    if (help) parts.push((help.key || k) + ' ' + (help.desc || ''))\n    else if (b && b.keys) parts.push(b.keys.join('/') + ' ' + k)\n  }\n  return parts.join(' · ')\n}\n\nfunction BareTuiFocus(opts) {\n  opts = opts || {}\n  this.items = opts.items ? opts.items.slice() : []\n  this.index = opts.index || 0\n  this._clamp()\n  this._sync()\n}\nBareTuiFocus.prototype.focused = function () {\n  return this.items[this.index] || null\n}\nBareTuiFocus.prototype.setItems = function (items) {\n  this.items = items ? items.slice() : []\n  this._clamp()\n  this._sync()\n  return this\n}\nBareTuiFocus.prototype.focus = function (i) {\n  this.index = i\n  this._clamp()\n  this._sync()\n  return this\n}\nBareTuiFocus.prototype.next = function () {\n  this._move(1)\n  return this\n}\nBareTuiFocus.prototype.prev = function () {\n  this._move(-1)\n  return this\n}\nBareTuiFocus.prototype.update = function (msg) {\n  if (msg && msg.type === 'key' && msg.is('shift+tab')) {\n    this._move(-1)\n    return [this, null]\n  }\n  if (msg && msg.type === 'key' && msg.is('tab')) {\n    this._move(1)\n    return [this, null]\n  }\n  var cur = this.items[this.index]\n  if (cur && typeof cur.update === 'function') {\n    var pair = cur.update(msg)\n    this.items[this.index] = pair[0]\n    return [this, pair[1]]\n  }\n  return [this, null]\n}\nBareTuiFocus.prototype._move = function (dir) {\n  if (this.items.length < 2) return\n  this.index = (this.index + dir + this.items.length) % this.items.length\n  this._sync()\n}\nBareTuiFocus.prototype._clamp = function () {\n  if (!this.items.length) this.index = 0\n  else {\n    if (this.index < 0) this.index = 0\n    if (this.index > this.items.length - 1) this.index = this.items.length - 1\n  }\n}\nBareTuiFocus.prototype._sync = function () {\n  var i\n  for (i = 0; i < this.items.length; i++) {\n    var it = this.items[i]\n    if (!it) continue\n    if (i === this.index) {\n      if (typeof it.focus === 'function') it.focus()\n    } else if (typeof it.blur === 'function') it.blur()\n  }\n}\n\nfunction BareTuiStopwatch(opts) {\n  opts = opts || {}\n  this.interval = opts.interval || 100\n  this.elapsed = 0\n  this.running = false\n  this.id = bareTuiNextWidgetId++\n  this.tag = 0\n  this._last = 0\n}\nBareTuiStopwatch.prototype.start = function () {\n  if (this.running) return this\n  this.running = true\n  this._last = Date.now()\n  return this\n}\nBareTuiStopwatch.prototype.stop = function () {\n  this.running = false\n  return this\n}\nBareTuiStopwatch.prototype.toggle = function () {\n  return this.running ? this.stop() : this.start()\n}\nBareTuiStopwatch.prototype.reset = function () {\n  this.elapsed = 0\n  this._last = Date.now()\n  return this\n}\nBareTuiStopwatch.prototype.init = function () {\n  return this._tick()\n}\nBareTuiStopwatch.prototype._tick = function () {\n  var id = this.id\n  var tag = this.tag\n  var ms = this.interval\n  return bareTuiTick(ms, function () {\n    return { type: 'stopwatch.tick', id: id, tag: tag }\n  })\n}\nBareTuiStopwatch.prototype.update = function (msg) {\n  if (msg && msg.type === 'key' && msg.is('space')) {\n    this.toggle()\n    return [this, null]\n  }\n  if (\n    !msg ||\n    msg.type !== 'stopwatch.tick' ||\n    msg.id !== this.id ||\n    msg.tag !== this.tag\n  ) {\n    return [this, null]\n  }\n  if (this.running) {\n    var now = Date.now()\n    this.elapsed += now - this._last\n    this._last = now\n  }\n  this.tag++\n  return [this, this._tick()]\n}\nBareTuiStopwatch.prototype.view = function () {\n  var ms = this.elapsed\n  var s = Math.floor(ms / 1000)\n  var m = Math.floor(s / 60)\n  s = s % 60\n  var mm = m < 10 ? '0' + m : String(m)\n  var ss = s < 10 ? '0' + s : String(s)\n  return mm + ':' + ss\n}\n\nfunction BareTuiTimer(opts) {\n  opts = opts || {}\n  this.timeout = opts.timeout || 10000\n  this.interval = opts.interval || 100\n  this.remaining = this.timeout\n  this.running = true\n  this.id = bareTuiNextWidgetId++\n  this.tag = 0\n  this._last = Date.now()\n}\nBareTuiTimer.prototype.init = function () {\n  return this._tick()\n}\nBareTuiTimer.prototype._tick = function () {\n  var id = this.id\n  var tag = this.tag\n  var ms = this.interval\n  return bareTuiTick(ms, function () {\n    return { type: 'timer.tick', id: id, tag: tag }\n  })\n}\nBareTuiTimer.prototype.update = function (msg) {\n  if (\n    !msg ||\n    msg.type !== 'timer.tick' ||\n    msg.id !== this.id ||\n    msg.tag !== this.tag\n  ) {\n    return [this, null]\n  }\n  if (this.running) {\n    var now = Date.now()\n    this.remaining -= now - this._last\n    this._last = now\n    if (this.remaining <= 0) {\n      this.remaining = 0\n      this.running = false\n      this.tag++\n      return [\n        this,\n        function () {\n          return { type: 'timer.timeout' }\n        }\n      ]\n    }\n  }\n  this.tag++\n  return [this, this._tick()]\n}\nBareTuiTimer.prototype.view = function () {\n  var s = Math.ceil(this.remaining / 1000)\n  return String(s) + 's'\n}\n\nfunction BareTuiAutocomplete(opts) {\n  opts = opts || {}\n  this.input = bareTuiTextinput.create({\n    prompt: opts.prompt || '',\n    placeholder: opts.placeholder || '',\n    focused: opts.focused\n  })\n  this.suggestions = opts.suggestions || []\n  this.trigger = opts.trigger || ''\n  this.filtered = []\n  this.selected = 0\n  this.open = false\n}\nBareTuiAutocomplete.prototype.focus = function () {\n  this.input.focus()\n  return this\n}\nBareTuiAutocomplete.prototype.blur = function () {\n  this.input.blur()\n  this.open = false\n  return this\n}\nBareTuiAutocomplete.prototype.value = function () {\n  return this.input.value\n}\nBareTuiAutocomplete.prototype._refresh = function () {\n  var q = this.input.value\n  if (this.trigger && q.indexOf(this.trigger) < 0) {\n    this.open = false\n    this.filtered = []\n    return\n  }\n  var needle = q.toLowerCase()\n  this.filtered = []\n  var i\n  for (i = 0; i < this.suggestions.length; i++) {\n    var s = String(this.suggestions[i])\n    if (!needle || s.toLowerCase().indexOf(needle) >= 0) this.filtered.push(s)\n  }\n  this.open = this.filtered.length > 0\n  if (this.selected >= this.filtered.length) this.selected = 0\n}\nBareTuiAutocomplete.prototype.update = function (msg) {\n  if (!this.input.focused || !msg || msg.type !== 'key') return [this, null]\n  if (this.open && msg.is('down')) {\n    this.selected = Math.min(this.filtered.length - 1, this.selected + 1)\n    return [this, null]\n  }\n  if (this.open && msg.is('up')) {\n    this.selected = Math.max(0, this.selected - 1)\n    return [this, null]\n  }\n  if (this.open && msg.is('enter', 'tab')) {\n    if (this.filtered[this.selected] != null)\n      this.input.setValue(this.filtered[this.selected])\n    this.open = false\n    return [this, null]\n  }\n  var pair = this.input.update(msg)\n  this.input = pair[0]\n  this._refresh()\n  return [this, pair[1]]\n}\nBareTuiAutocomplete.prototype.view = function () {\n  var out = this.input.view()\n  if (!this.open) return out\n  var i\n  for (i = 0; i < this.filtered.length && i < 6; i++) {\n    var line = this.filtered[i]\n    if (i === this.selected)\n      line = bareTuiAnsi.modifierReverse + line + bareTuiAnsi.modifierNotReverse\n    out += '\\n' + line\n  }\n  return out\n}\n\nvar bareTuiProgress = {\n  create: function (opts) {\n    return new BareTuiProgress(opts)\n  }\n}\nvar bareTuiTable = {\n  create: function (opts) {\n    return new BareTuiTable(opts)\n  }\n}\nvar bareTuiTextarea = {\n  create: function (opts) {\n    return new BareTuiTextarea(opts)\n  }\n}\nvar bareTuiHelp = {\n  create: function () {\n    return new BareTuiHelp()\n  }\n}\nvar bareTuiFocus = {\n  create: function (opts) {\n    return new BareTuiFocus(opts)\n  }\n}\nvar bareTuiStopwatch = {\n  create: function (opts) {\n    return new BareTuiStopwatch(opts)\n  }\n}\nvar bareTuiTimer = {\n  create: function (opts) {\n    return new BareTuiTimer(opts)\n  }\n}\nvar bareTuiAutocomplete = {\n  create: function (opts) {\n    return new BareTuiAutocomplete(opts)\n  }\n}\n\n/* src/widgets/filepicker.js */\n/** VFS file picker. Inject vfs (or mock). Never opens host fs. */\n\nfunction bareTuiJoinPath(a, b) {\n  var left = String(a == null ? '/' : a)\n  var right = String(b == null ? '' : b).replace(/^\\/+/, '')\n  if (!left || left === '/') return '/' + right\n  return left.replace(/\\/+$/, '') + '/' + right\n}\n\nfunction bareTuiDirname(p) {\n  p = String(p || '/').replace(/\\/+$/, '')\n  if (!p) return '/'\n  var i = p.lastIndexOf('/')\n  if (i <= 0) return '/'\n  return p.slice(0, i)\n}\n\nfunction bareTuiSortEntries(entries, showHidden) {\n  var out = []\n  var i\n  for (i = 0; i < entries.length; i++) {\n    if (showHidden || String(entries[i].name).charAt(0) !== '.')\n      out.push(entries[i])\n  }\n  out.sort(function (a, b) {\n    if (a.directory !== b.directory) return a.directory ? -1 : 1\n    if (a.name < b.name) return -1\n    if (a.name > b.name) return 1\n    return 0\n  })\n  return out\n}\n\nfunction bareTuiIsDirStat(st) {\n  if (!st) return false\n  if (st.type === 'directory') return true\n  if (typeof st.isDirectory === 'function') return !!st.isDirectory()\n  return false\n}\n\nfunction bareTuiListVfs(vfs, dir) {\n  if (!vfs || typeof vfs.readdir !== 'function') {\n    return Promise.reject(new Error('filepicker: vfs.readdir missing'))\n  }\n  return Promise.resolve(vfs.readdir(dir)).then(function (names) {\n    var list = names || []\n    var i = 0\n    var entries = []\n    function next() {\n      if (i >= list.length) return entries\n      var name = list[i++]\n      if (name && typeof name === 'object' && name.name) {\n        var directory = !!(\n          name.directory ||\n          (typeof name.isDirectory === 'function' && name.isDirectory())\n        )\n        entries.push({ name: name.name, directory: directory })\n        return next()\n      }\n      var full = bareTuiJoinPath(dir, name)\n      if (typeof vfs.stat !== 'function') {\n        entries.push({ name: String(name), directory: false })\n        return next()\n      }\n      return Promise.resolve(vfs.stat(full)).then(\n        function (st) {\n          entries.push({ name: String(name), directory: bareTuiIsDirStat(st) })\n          return next()\n        },\n        function () {\n          entries.push({ name: String(name), directory: false })\n          return next()\n        }\n      )\n    }\n    return next()\n  })\n}\n\nfunction BareTuiFilepicker(opts) {\n  opts = opts || {}\n  this.vfs = opts.vfs\n  this.cwd = opts.cwd || '/'\n  this.height = opts.height || 12\n  this.showHidden = !!opts.showHidden\n  this.pick = opts.pick === 'dir' ? 'dir' : opts.pick === 'any' ? 'any' : 'file'\n  this.filter = typeof opts.filter === 'function' ? opts.filter : null\n  this.entries = []\n  this.cursor = 0\n  this.offset = 0\n  this.selected = null\n  this.error = null\n  this.loading = true\n}\n\nBareTuiFilepicker.prototype.init = function () {\n  return this._read(this.cwd)\n}\n\nBareTuiFilepicker.prototype.selectedPath = function () {\n  return this.selected\n}\n\nBareTuiFilepicker.prototype._read = function (dir) {\n  var vfs = this.vfs\n  var showHidden = this.showHidden\n  var filter = this.filter\n  return function () {\n    return bareTuiListVfs(vfs, dir).then(\n      function (entries) {\n        if (filter) {\n          var kept = []\n          var i\n          for (i = 0; i < entries.length; i++) {\n            if (filter(entries[i].name, entries[i])) kept.push(entries[i])\n          }\n          entries = kept\n        }\n        return {\n          type: 'filepicker.entries',\n          dir: dir,\n          entries: bareTuiSortEntries(entries, showHidden)\n        }\n      },\n      function (err) {\n        return {\n          type: 'filepicker.error',\n          dir: dir,\n          error: (err && err.message) || String(err)\n        }\n      }\n    )\n  }\n}\n\nBareTuiFilepicker.prototype.update = function (msg) {\n  if (!msg) return [this, null]\n  if (msg.type === 'filepicker.entries' && msg.dir === this.cwd) {\n    this.entries = msg.entries || []\n    this.cursor = 0\n    this.offset = 0\n    this.loading = false\n    this.error = null\n    return [this, null]\n  }\n  if (msg.type === 'filepicker.error' && msg.dir === this.cwd) {\n    this.error = msg.error\n    this.entries = []\n    this.loading = false\n    return [this, null]\n  }\n  if (msg.type === 'key') return this._key(msg)\n  return [this, null]\n}\n\nBareTuiFilepicker.prototype._open = function (dir) {\n  this.cwd = dir\n  this.loading = true\n  return [this, this._read(dir)]\n}\n\nBareTuiFilepicker.prototype._move = function (delta) {\n  if (!this.entries.length) return\n  this.cursor = Math.max(\n    0,\n    Math.min(this.cursor + delta, this.entries.length - 1)\n  )\n  if (this.cursor < this.offset) this.offset = this.cursor\n  else if (this.cursor >= this.offset + this.height)\n    this.offset = this.cursor - this.height + 1\n}\n\nBareTuiFilepicker.prototype._choose = function (full) {\n  this.selected = full\n  return [\n    this,\n    function () {\n      return { type: 'filepicker.select', path: full }\n    }\n  ]\n}\n\nBareTuiFilepicker.prototype._key = function (msg) {\n  if (msg.is('up', 'k')) {\n    this._move(-1)\n    return [this, null]\n  }\n  if (msg.is('down', 'j')) {\n    this._move(1)\n    return [this, null]\n  }\n  if (msg.is('backspace', 'left', 'h'))\n    return this._open(bareTuiDirname(this.cwd))\n  var entry = this.entries[this.cursor]\n  if (!entry) return [this, null]\n  var full = bareTuiJoinPath(this.cwd, entry.name)\n  if (this.pick === 'dir') {\n    if (!entry.directory) return [this, null]\n    if (msg.is('right', 'l')) return this._open(full)\n    if (msg.is('enter')) return this._choose(full)\n    return [this, null]\n  }\n  if (msg.is('enter', 'right', 'l')) {\n    if (entry.directory) return this._open(full)\n    return this._choose(full)\n  }\n  return [this, null]\n}\n\nBareTuiFilepicker.prototype.view = function () {\n  var lines = [this.cwd || '/']\n  var rows = []\n  if (this.loading) rows.push('  loading…')\n  else if (this.error) rows.push('  ! ' + this.error)\n  else if (!this.entries.length) rows.push('  (empty)')\n  else {\n    var end = Math.min(this.offset + this.height, this.entries.length)\n    var p\n    for (p = this.offset; p < end; p++) {\n      var entry = this.entries[p]\n      var label = entry.directory ? entry.name + '/' : entry.name\n      var text = (p === this.cursor ? '› ' : '  ') + label\n      if (p === this.cursor) {\n        text =\n          bareTuiAnsi.modifierReverse + text + bareTuiAnsi.modifierNotReverse\n      }\n      rows.push(text)\n    }\n  }\n  while (rows.length < this.height) rows.push('')\n  return lines.concat(rows).join('\\n')\n}\n\nfunction bareTuiMockResolve(tree, root, p) {\n  if (p === root) return tree\n  var rel = p\n  if (root !== '/' && String(p).indexOf(root) === 0) rel = p.slice(root.length)\n  var segs = String(rel).split('/').filter(Boolean)\n  var node = tree\n  var i\n  for (i = 0; i < segs.length; i++) {\n    if (node && typeof node === 'object' && segs[i] in node)\n      node = node[segs[i]]\n    else return undefined\n  }\n  return node\n}\n\nfunction bareTuiFilepickerMock(tree, opts) {\n  opts = opts || {}\n  var root = opts.root || '/'\n  function readdir(dir) {\n    var node = bareTuiMockResolve(tree, root, dir)\n    if (!node || typeof node !== 'object') {\n      return Promise.reject(new Error('ENOTDIR: ' + dir))\n    }\n    return Promise.resolve(Object.keys(node))\n  }\n  function stat(p) {\n    var node = bareTuiMockResolve(tree, root, p)\n    if (node === undefined) return Promise.reject(new Error('ENOENT: ' + p))\n    var directory = !!(node && typeof node === 'object')\n    return Promise.resolve({ type: directory ? 'directory' : 'file' })\n  }\n  return {\n    root: root,\n    vfs: { readdir: readdir, stat: stat },\n    path: { join: bareTuiJoinPath, dirname: bareTuiDirname }\n  }\n}\n\nfunction bareTuiFilepickerCreate(ctx, opts) {\n  opts = opts || {}\n  var vfs = opts.vfs\n  if (!vfs && ctx && ctx.vfs) vfs = ctx.vfs\n  var cwd = opts.cwd\n  if (!cwd && ctx && ctx.env) cwd = ctx.env.PWD || ctx.env.HOME\n  if (!cwd) cwd = '/'\n  return new BareTuiFilepicker({\n    vfs: vfs,\n    cwd: cwd,\n    height: opts.height,\n    showHidden: opts.showHidden,\n    pick: opts.pick,\n    filter: opts.filter\n  })\n}\n\nvar bareTuiFilepicker = {\n  create: null,\n  mock: bareTuiFilepickerMock\n}\n\n/* src/widgets/oneshot.js */\n/** One-shot confirm / prompt / choose models and runners. */\n\nfunction bareTuiBox(title, body, hint) {\n  var inner = (title ? title + '\\n\\n' : '') + body + (hint ? '\\n\\n' + hint : '')\n  return inner\n}\n\nfunction BareTuiConfirmApp(opts) {\n  opts = opts || {}\n  this.title = opts.title || 'Confirm'\n  this.body = opts.body || opts.message || ''\n  this.okLabel = opts.ok || 'Yes'\n  this.cancelLabel = opts.cancel || 'No'\n  this.result = false\n}\n\nBareTuiConfirmApp.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  if (msg.is('y', 'Y', 'enter')) {\n    this.result = true\n    return [this, bareTuiQuitCmd]\n  }\n  if (msg.is('n', 'N', 'escape', 'ctrl+c')) {\n    this.result = false\n    return [this, bareTuiQuitCmd]\n  }\n  return [this, null]\n}\n\nBareTuiConfirmApp.prototype.view = function () {\n  return bareTuiBox(\n    this.title,\n    this.body,\n    this.okLabel + ' (y/enter) · ' + this.cancelLabel + ' (n/esc)'\n  )\n}\n\nfunction BareTuiPromptApp(opts) {\n  opts = opts || {}\n  this.title = opts.title || ''\n  this.label = opts.label || opts.prompt || '> '\n  this.field = bareTuiTextinput.create({\n    prompt: this.label,\n    placeholder: opts.placeholder || '',\n    echoMode: opts.echoMode || 'normal',\n    focused: true,\n    value: opts.value || ''\n  })\n  this.result = null\n  this.cancelled = false\n}\n\nBareTuiPromptApp.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  if (msg.is('enter')) {\n    this.result = this.field.value\n    return [this, bareTuiQuitCmd]\n  }\n  if (msg.is('escape', 'ctrl+c')) {\n    this.cancelled = true\n    this.result = null\n    return [this, bareTuiQuitCmd]\n  }\n  var pair = this.field.update(msg)\n  this.field = pair[0]\n  return [this, pair[1]]\n}\n\nBareTuiPromptApp.prototype.view = function () {\n  return bareTuiBox(this.title, this.field.view(), 'enter accept · esc cancel')\n}\n\nfunction BareTuiChooseApp(opts) {\n  opts = opts || {}\n  this.title = opts.title || 'Choose'\n  var items = opts.options || opts.items || []\n  this.list = bareTuiList.create({\n    items: items,\n    height: opts.height || Math.min(8, Math.max(3, items.length)),\n    filterable: opts.filterable === true,\n    title: ''\n  })\n  this.result = null\n  this.cancelled = false\n}\n\nBareTuiChooseApp.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  if (msg.is('enter')) {\n    this.result = this.list.selectedItem()\n    return [this, bareTuiQuitCmd]\n  }\n  if (msg.is('escape', 'q', 'ctrl+c')) {\n    this.cancelled = true\n    this.result = null\n    return [this, bareTuiQuitCmd]\n  }\n  var pair = this.list.update(msg)\n  this.list = pair[0]\n  return [this, pair[1]]\n}\n\nBareTuiChooseApp.prototype.view = function () {\n  return bareTuiBox(this.title, this.list.view(), 'enter select · q/esc cancel')\n}\n\nfunction bareTuiConfirm(ctx, opts) {\n  var app = new BareTuiConfirmApp(opts)\n  return bareTuiRunProgram(ctx, app, opts).then(function () {\n    return app.result\n  })\n}\n\nfunction bareTuiPrompt(ctx, opts) {\n  var app = new BareTuiPromptApp(opts)\n  return bareTuiRunProgram(ctx, app, opts).then(function () {\n    return app.result\n  })\n}\n\nfunction bareTuiChoose(ctx, opts) {\n  var app = new BareTuiChooseApp(opts)\n  return bareTuiRunProgram(ctx, app, opts).then(function () {\n    return app.result\n  })\n}\n\n/* src/widgets/form.js */\n/** Declarative form: fields + focus + validate. Emits form.submit / form.cancel. */\n\nfunction bareTuiFormFieldValue(field) {\n  if (!field) return undefined\n  var c = field.control\n  if (c && typeof c.value === 'function') return c.value()\n  if (c && c.value != null && typeof c.value !== 'function') return c.value\n  if (c && c.checked != null) return !!c.checked\n  if (field.checked != null) return !!field.checked\n  return field._value\n}\n\nfunction BareTuiFormField(def) {\n  def = def || {}\n  this.name = def.name || ''\n  this.label = def.label || this.name\n  this.description = def.description || def.help || ''\n  this.required = !!def.required\n  this.requiredMessage = def.requiredMessage || 'required'\n  this.validate = def.validate || null\n  this.type = def.type || 'text'\n  this.hidden = !!def.hidden\n  this.readonly = !!def.readonly\n  this.error = ''\n  this.control = def.control || null\n}\n\nBareTuiFormField.prototype.focus = function () {\n  if (this.control && typeof this.control.focus === 'function')\n    this.control.focus()\n  return this\n}\nBareTuiFormField.prototype.blur = function () {\n  if (this.control && typeof this.control.blur === 'function')\n    this.control.blur()\n  return this\n}\nBareTuiFormField.prototype.value = function () {\n  return bareTuiFormFieldValue(this)\n}\nBareTuiFormField.prototype.check = function () {\n  this.error = ''\n  if (this.hidden) return true\n  var v = this.value()\n  var empty = v == null || v === '' || v === false\n  if (this.required && empty) {\n    this.error = this.requiredMessage\n    return false\n  }\n  if (\n    this.type === 'number' &&\n    v != null &&\n    v !== '' &&\n    typeof v === 'number' &&\n    !isFinite(v)\n  ) {\n    this.error = 'not a number'\n    return false\n  }\n  if (typeof this.validate === 'function') {\n    var r = this.validate(v)\n    if (r === false) {\n      this.error = 'invalid'\n      return false\n    }\n    if (typeof r === 'string' && r) {\n      this.error = r\n      return false\n    }\n  }\n  return true\n}\nBareTuiFormField.prototype.update = function (msg) {\n  if (\n    this.readonly ||\n    !this.control ||\n    typeof this.control.update !== 'function'\n  ) {\n    return [this, null]\n  }\n  var pair = this.control.update(msg)\n  this.control = pair[0]\n  return [this, pair[1]]\n}\nBareTuiFormField.prototype.view = function () {\n  var lines = []\n  var lab = this.label || this.name\n  if (lab) lines.push(lab + (this.required ? ' *' : ''))\n  if (this.description) lines.push(this.description)\n  if (this.control && typeof this.control.view === 'function')\n    lines.push(this.control.view())\n  if (this.control && typeof this.control.menuView === 'function') {\n    var menu = this.control.menuView()\n    if (menu) lines.push(menu)\n  }\n  if (this.error) lines.push('! ' + this.error)\n  return lines.join('\\n')\n}\n\nfunction bareTuiFormBuildControl(def) {\n  var type = def.type || 'text'\n  if (type === 'textarea') {\n    return bareTuiTextarea.create({\n      value: def.value || '',\n      placeholder: def.placeholder || '',\n      rows: def.rows,\n      height: def.rows || 4,\n      focused: !!def.autofocus\n    })\n  }\n  if (type === 'checkbox' || type === 'confirm') {\n    return bareTuiCheckbox.create({\n      label: '',\n      checked: !!def.value || !!def.checked,\n      focused: !!def.autofocus\n    })\n  }\n  if (type === 'radio') {\n    return bareTuiRadio.create({\n      options: def.options || [],\n      selected: def.selected || 0,\n      focused: !!def.autofocus\n    })\n  }\n  if (type === 'select') {\n    return bareTuiSelect.create({\n      options: def.options || [],\n      placeholder: def.placeholder || '',\n      selected: def.selected || 0,\n      focused: !!def.autofocus\n    })\n  }\n  if (type === 'multiselect') {\n    return bareTuiList.create({\n      items: def.options || [],\n      height: def.height || 6,\n      filterable: false\n    })\n  }\n  var echo = def.echoMode || (type === 'password' ? 'password' : 'normal')\n  return bareTuiTextinput.create({\n    value: def.value != null ? String(def.value) : '',\n    placeholder: def.placeholder || '',\n    echoMode: echo,\n    focused: !!def.autofocus\n  })\n}\n\nfunction bareTuiFormFromDef(def) {\n  if (def instanceof BareTuiFormField) return def\n  if (def && def.control) return new BareTuiFormField(def)\n  def = def || {}\n  var control = bareTuiFormBuildControl(def)\n  var field = new BareTuiFormField(def)\n  field.control = control\n  if (field.type === 'number') {\n    field.value = function () {\n      var raw = field.control && field.control.value\n      if (raw == null || raw === '') return null\n      var n = parseFloat(raw)\n      return isFinite(n) ? n : NaN\n    }\n  }\n  if (field.type === 'checkbox' || field.type === 'confirm') {\n    field.value = function () {\n      return !!(field.control && field.control.checked)\n    }\n  }\n  if (field.type === 'radio' || field.type === 'select') {\n    field.value = function () {\n      return field.control && typeof field.control.value === 'function'\n        ? field.control.value()\n        : null\n    }\n  }\n  return field\n}\n\nfunction bareTuiFormText(opts) {\n  opts = opts || {}\n  opts.type = opts.type || 'text'\n  return bareTuiFormFromDef(opts)\n}\nfunction bareTuiFormTextarea(opts) {\n  opts = opts || {}\n  opts.type = 'textarea'\n  return bareTuiFormFromDef(opts)\n}\nfunction bareTuiFormNumber(opts) {\n  opts = opts || {}\n  opts.type = 'number'\n  return bareTuiFormFromDef(opts)\n}\nfunction bareTuiFormSelect(opts) {\n  opts = opts || {}\n  opts.type = 'select'\n  return bareTuiFormFromDef(opts)\n}\nfunction bareTuiFormRadio(opts) {\n  opts = opts || {}\n  opts.type = 'radio'\n  return bareTuiFormFromDef(opts)\n}\nfunction bareTuiFormConfirm(opts) {\n  opts = opts || {}\n  opts.type = 'confirm'\n  return bareTuiFormFromDef(opts)\n}\n\nfunction BareTuiForm(opts) {\n  opts = opts || {}\n  this.title = opts.title || ''\n  this.fields = []\n  var raw = opts.fields || []\n  var i\n  for (i = 0; i < raw.length; i++) this.fields.push(bareTuiFormFromDef(raw[i]))\n  this.index = 0\n  this._sync()\n}\n\nBareTuiForm.prototype._visible = function () {\n  var out = []\n  var i\n  for (i = 0; i < this.fields.length; i++) {\n    if (!this.fields[i].hidden) out.push(this.fields[i])\n  }\n  return out\n}\n\nBareTuiForm.prototype._sync = function () {\n  var vis = this._visible()\n  if (this.index >= vis.length) this.index = Math.max(0, vis.length - 1)\n  var i\n  for (i = 0; i < vis.length; i++) {\n    if (i === this.index) vis[i].focus()\n    else vis[i].blur()\n  }\n}\n\nBareTuiForm.prototype.value = function () {\n  var o = {}\n  var i\n  for (i = 0; i < this.fields.length; i++) {\n    var f = this.fields[i]\n    if (f.hidden || !f.name) continue\n    o[f.name] = f.value()\n  }\n  return o\n}\n\nBareTuiForm.prototype.errors = function () {\n  var o = {}\n  var i\n  for (i = 0; i < this.fields.length; i++) {\n    if (this.fields[i].error) o[this.fields[i].name] = this.fields[i].error\n  }\n  return o\n}\n\nBareTuiForm.prototype._submit = function () {\n  var ok = true\n  var i\n  for (i = 0; i < this.fields.length; i++) {\n    if (!this.fields[i].check()) ok = false\n  }\n  if (!ok) return [this, null]\n  var values = this.value()\n  return [\n    this,\n    function () {\n      return { type: 'form.submit', values: values }\n    }\n  ]\n}\n\nBareTuiForm.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  if (msg.is('ctrl+c')) {\n    return [\n      this,\n      function () {\n        return { type: 'form.cancel' }\n      }\n    ]\n  }\n  if (msg.is('ctrl+s')) return this._submit()\n  var vis = this._visible()\n  if (msg.is('shift+tab')) {\n    this.index = (this.index - 1 + vis.length) % Math.max(1, vis.length)\n    this._sync()\n    return [this, null]\n  }\n  if (msg.is('tab')) {\n    this.index = (this.index + 1) % Math.max(1, vis.length)\n    this._sync()\n    return [this, null]\n  }\n  if (msg.is('enter')) {\n    var cur = vis[this.index]\n    if (cur && (cur.type === 'select' || cur.type === 'textarea')) {\n      var p0 = cur.update(msg)\n      this._replace(cur, p0[0])\n      return [this, p0[1]]\n    }\n    if (this.index < vis.length - 1) {\n      this.index++\n      this._sync()\n      return [this, null]\n    }\n    return this._submit()\n  }\n  var focused = vis[this.index]\n  if (!focused) return [this, null]\n  var pair = focused.update(msg)\n  this._replace(focused, pair[0])\n  return [this, pair[1]]\n}\n\nBareTuiForm.prototype._replace = function (oldF, next) {\n  var i\n  for (i = 0; i < this.fields.length; i++) {\n    if (this.fields[i] === oldF) this.fields[i] = next\n  }\n}\n\nBareTuiForm.prototype.view = function () {\n  var lines = []\n  if (this.title) lines.push(this.title, '')\n  var vis = this._visible()\n  var i\n  for (i = 0; i < vis.length; i++) {\n    lines.push(vis[i].view())\n    lines.push('')\n  }\n  lines.push('tab next · ctrl+s submit · ctrl+c cancel')\n  return lines.join('\\n')\n}\n\nfunction bareTuiFormCreate(opts) {\n  return new BareTuiForm(opts)\n}\n\nfunction bareTuiFormRun(ctx, form, opts) {\n  var host = {\n    form: form,\n    result: undefined,\n    update: function (msg) {\n      if (msg && msg.type === 'form.submit') {\n        this.result = msg.values\n        return [this, bareTuiQuitCmd]\n      }\n      if (msg && msg.type === 'form.cancel') {\n        this.result = null\n        return [this, bareTuiQuitCmd]\n      }\n      var pair = this.form.update(msg)\n      this.form = pair[0]\n      return [this, pair[1]]\n    },\n    view: function () {\n      return this.form.view()\n    }\n  }\n  return bareTuiRunProgram(ctx, host, opts).then(function () {\n    return host.result\n  })\n}\n\nvar bareTuiForm = {\n  create: bareTuiFormCreate,\n  run: null,\n  text: bareTuiFormText,\n  textarea: bareTuiFormTextarea,\n  number: bareTuiFormNumber,\n  select: bareTuiFormSelect,\n  radio: bareTuiFormRadio,\n  confirm: bareTuiFormConfirm\n}\n\n/* src/widgets/extras.js */\n/** Extra widgets: tabs, modal, dialog, tree, statusbar, split, toast, markdown. */\n\nfunction BareTuiTabs(opts) {\n  opts = opts || {}\n  this.tabs = opts.tabs ? opts.tabs.slice() : []\n  this.index = opts.index || 0\n}\nBareTuiTabs.prototype.active = function () {\n  return this.tabs[this.index] || null\n}\nBareTuiTabs.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  if (msg.is('left', 'h')) this.index = Math.max(0, this.index - 1)\n  else if (msg.is('right', 'l'))\n    this.index = Math.min(this.tabs.length - 1, this.index + 1)\n  else if (msg.name && /^[1-9]$/.test(msg.name)) {\n    var n = parseInt(msg.name, 10) - 1\n    if (n < this.tabs.length) this.index = n\n  } else {\n    var tab = this.active()\n    if (tab && tab.model && typeof tab.model.update === 'function') {\n      var pair = tab.model.update(msg)\n      tab.model = pair[0]\n      return [this, pair[1]]\n    }\n  }\n  return [this, null]\n}\nBareTuiTabs.prototype.view = function () {\n  var bar = []\n  var i\n  for (i = 0; i < this.tabs.length; i++) {\n    var title = this.tabs[i].title || String(i + 1)\n    if (i === this.index) title = '[' + title + ']'\n    bar.push(title)\n  }\n  var body = ''\n  var tab = this.active()\n  if (tab) {\n    if (tab.model && typeof tab.model.view === 'function')\n      body = tab.model.view()\n    else if (tab.body != null) body = String(tab.body)\n    else if (tab.view)\n      body = typeof tab.view === 'function' ? tab.view() : String(tab.view)\n  }\n  return bar.join('  ') + '\\n' + body\n}\n\nfunction BareTuiModal(opts) {\n  opts = opts || {}\n  this.child = opts.child || null\n  this.open = !!opts.open\n  this.title = opts.title || ''\n}\nBareTuiModal.prototype.show = function () {\n  this.open = true\n  return this\n}\nBareTuiModal.prototype.hide = function () {\n  this.open = false\n  return this\n}\nBareTuiModal.prototype.update = function (msg) {\n  if (this.open && msg && msg.type === 'key' && msg.is('escape')) {\n    this.open = false\n    return [this, null]\n  }\n  if (this.child && typeof this.child.update === 'function') {\n    var pair = this.child.update(msg)\n    this.child = pair[0]\n    return [this, pair[1]]\n  }\n  return [this, null]\n}\nBareTuiModal.prototype.view = function () {\n  if (this.child && typeof this.child.view === 'function')\n    return this.child.view()\n  return ''\n}\n\nBareTuiModal.prototype.frame = function () {\n  var inner = this.view()\n  if (!this.open) return inner\n  return (this.title || 'dialog') + '\\n' + inner + '\\n(esc close)'\n}\n\nBareTuiModal.prototype.overlay = function (size) {\n  if (!this.open) return null\n  var inner = ''\n  if (this.child && typeof this.child.view === 'function')\n    inner = this.child.view()\n  var body = (this.title || 'dialog') + '\\n' + inner + '\\n(esc close)'\n  var boxed = body\n  var h = bareTuiBlockHeight(boxed)\n  var w = bareTuiBlockWidth(boxed)\n  var rows = (size && size.height) || 24\n  var cols = (size && size.width) || 80\n  return {\n    row: Math.max(0, Math.floor((rows - h) / 2)),\n    col: Math.max(0, Math.floor((cols - w) / 2)),\n    text: boxed\n  }\n}\n\nfunction BareTuiDialog(opts) {\n  opts = opts || {}\n  this.title = opts.title || ''\n  this.body = opts.body || opts.message || ''\n  this.buttons = opts.buttons || ['OK']\n  this.index = opts.index || 0\n  this.choice = null\n}\nBareTuiDialog.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  if (msg.is('left', 'h')) this.index = Math.max(0, this.index - 1)\n  else if (msg.is('right', 'l'))\n    this.index = Math.min(this.buttons.length - 1, this.index + 1)\n  else if (msg.is('enter', 'space')) {\n    this.choice = this.buttons[this.index]\n    var choice = this.choice\n    return [\n      this,\n      function () {\n        return { type: 'dialog.choose', value: choice }\n      }\n    ]\n  } else if (msg.is('escape', 'ctrl+c')) {\n    this.choice = null\n    return [\n      this,\n      function () {\n        return { type: 'dialog.choose', value: null }\n      }\n    ]\n  }\n  return [this, null]\n}\nBareTuiDialog.prototype.view = function () {\n  var btns = []\n  var i\n  for (i = 0; i < this.buttons.length; i++) {\n    var b = this.buttons[i]\n    btns.push(i === this.index ? '[' + b + ']' : ' ' + b + ' ')\n  }\n  return (\n    (this.title ? this.title + '\\n' : '') + this.body + '\\n' + btns.join('  ')\n  )\n}\n\nfunction BareTuiTree(opts) {\n  opts = opts || {}\n  this.items = opts.items ? opts.items.slice() : []\n  this.cursor = 0\n}\nfunction bareTuiTreeFlat(items, depth, out) {\n  var i\n  for (i = 0; i < items.length; i++) {\n    var it = items[i]\n    out.push({ item: it, depth: depth })\n    if (it.open && it.children && it.children.length) {\n      bareTuiTreeFlat(it.children, depth + 1, out)\n    }\n  }\n}\nBareTuiTree.prototype._flat = function () {\n  var out = []\n  bareTuiTreeFlat(this.items, 0, out)\n  return out\n}\nBareTuiTree.prototype.selectedItem = function () {\n  var flat = this._flat()\n  return flat[this.cursor] ? flat[this.cursor].item : null\n}\nBareTuiTree.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'key') return [this, null]\n  var flat = this._flat()\n  if (msg.is('up', 'k')) this.cursor = Math.max(0, this.cursor - 1)\n  else if (msg.is('down', 'j'))\n    this.cursor = Math.min(flat.length - 1, this.cursor + 1)\n  else if (msg.is('right', 'l', 'enter')) {\n    var it = this.selectedItem()\n    if (it && it.children) it.open = true\n  } else if (msg.is('left', 'h')) {\n    var it2 = this.selectedItem()\n    if (it2 && it2.children) it2.open = false\n  }\n  return [this, null]\n}\nBareTuiTree.prototype.view = function () {\n  var flat = this._flat()\n  var lines = []\n  var i\n  for (i = 0; i < flat.length; i++) {\n    var it = flat[i].item\n    var pad = ''\n    var d\n    for (d = 0; d < flat[i].depth; d++) pad += '  '\n    var mark = it.children ? (it.open ? '▾ ' : '▸ ') : '  '\n    var line = pad + mark + (it.title || it.name || '')\n    if (i === this.cursor)\n      line = bareTuiAnsi.modifierReverse + line + bareTuiAnsi.modifierNotReverse\n    lines.push(line)\n  }\n  return lines.join('\\n')\n}\n\nfunction BareTuiStatusbar(opts) {\n  opts = opts || {}\n  this.width = opts.width || 0\n  this.left = opts.left || ''\n  this.center = opts.center || ''\n  this.right = opts.right || ''\n}\nBareTuiStatusbar.prototype.set = function (part, text) {\n  if (part === 'left') this.left = text\n  else if (part === 'center') this.center = text\n  else if (part === 'right') this.right = text\n  return this\n}\nBareTuiStatusbar.prototype.update = function () {\n  return [this, null]\n}\nBareTuiStatusbar.prototype.view = function () {\n  var w = this.width || 80\n  var l = String(this.left)\n  var c = String(this.center)\n  var r = String(this.right)\n  var inner = w - bareTuiLineWidth(l) - bareTuiLineWidth(r)\n  if (inner < 1) return bareTuiTruncate(l + ' ' + r, w)\n  var leftPad = Math.max(0, Math.floor((inner - bareTuiLineWidth(c)) / 2))\n  var rightPad = Math.max(0, inner - bareTuiLineWidth(c) - leftPad)\n  return l + bareTuiRepeat(' ', leftPad) + c + bareTuiRepeat(' ', rightPad) + r\n}\n\nfunction BareTuiSplit(opts) {\n  opts = opts || {}\n  this.direction = opts.direction === 'column' ? 'column' : 'row'\n  this.ratio = opts.ratio == null ? 0.5 : opts.ratio\n  this.a = opts.left || opts.a || null\n  this.b = opts.right || opts.b || null\n  this.focusPane = opts.focus || 'a'\n  this.width = opts.width || 0\n  this.height = opts.height || 0\n}\nBareTuiSplit.prototype.update = function (msg) {\n  if (msg && msg.type === 'key' && msg.is('ctrl+w')) {\n    this.focusPane = this.focusPane === 'a' ? 'b' : 'a'\n    return [this, null]\n  }\n  var pane = this.focusPane === 'b' ? this.b : this.a\n  if (pane && typeof pane.update === 'function') {\n    var pair = pane.update(msg)\n    if (this.focusPane === 'b') this.b = pair[0]\n    else this.a = pair[0]\n    return [this, pair[1]]\n  }\n  return [this, null]\n}\nBareTuiSplit.prototype.view = function () {\n  var va =\n    this.a && typeof this.a.view === 'function'\n      ? this.a.view()\n      : String(this.a || '')\n  var vb =\n    this.b && typeof this.b.view === 'function'\n      ? this.b.view()\n      : String(this.b || '')\n  if (this.direction === 'column') {\n    return bareTuiJoinVertical(0, va, vb)\n  }\n  return bareTuiJoinHorizontal(0, va, ' │ ', vb)\n}\n\nfunction BareTuiToast(opts) {\n  opts = opts || {}\n  this.text = ''\n  this.ttl = opts.ttl || 2000\n  this.visible = false\n  this.id = bareTuiNextWidgetId++\n  this.tag = 0\n}\nBareTuiToast.prototype.show = function (text, ms) {\n  this.text = String(text || '')\n  this.visible = true\n  if (ms) this.ttl = ms\n  this.tag++\n  return this._tick()\n}\nBareTuiToast.prototype._tick = function () {\n  var id = this.id\n  var tag = this.tag\n  var ms = this.ttl\n  return bareTuiTick(ms, function () {\n    return { type: 'toast.hide', id: id, tag: tag }\n  })\n}\nBareTuiToast.prototype.update = function (msg) {\n  if (!msg || msg.type !== 'toast.hide') return [this, null]\n  if (msg.id !== this.id || msg.tag !== this.tag) return [this, null]\n  this.visible = false\n  this.text = ''\n  return [this, null]\n}\nBareTuiToast.prototype.view = function () {\n  return this.visible ? this.text : ''\n}\n\nfunction bareTuiInlineMd(s) {\n  var out = ''\n  var i = 0\n  while (i < s.length) {\n    if (s.slice(i, i + 2) === '**') {\n      var end = s.indexOf('**', i + 2)\n      if (end > i) {\n        out += bareTuiAnsi.sgr(1) + s.slice(i + 2, end) + bareTuiAnsi.reset\n        i = end + 2\n        continue\n      }\n    }\n    if (s.charAt(i) === '`') {\n      var e2 = s.indexOf('`', i + 1)\n      if (e2 > i) {\n        out += bareTuiAnsi.modifierDim + s.slice(i + 1, e2) + bareTuiAnsi.reset\n        i = e2 + 1\n        continue\n      }\n    }\n    out += s.charAt(i)\n    i++\n  }\n  return out\n}\n\nfunction bareTuiRenderMarkdown(src) {\n  var lines = String(src || '').split('\\n')\n  var out = []\n  var fence = false\n  var i\n  for (i = 0; i < lines.length; i++) {\n    var line = lines[i]\n    if (line.slice(0, 3) === '```') {\n      fence = !fence\n      continue\n    }\n    if (fence) {\n      out.push(bareTuiAnsi.modifierDim + line + bareTuiAnsi.reset)\n      continue\n    }\n    if (/^#{1,3} /.test(line)) {\n      var text = line.replace(/^#{1,3} /, '')\n      out.push(bareTuiAnsi.sgr(1) + text + bareTuiAnsi.reset)\n      continue\n    }\n    if (/^[-*] /.test(line)) {\n      out.push('• ' + bareTuiInlineMd(line.slice(2)))\n      continue\n    }\n    if (\n      line.charAt(0) === '>' &&\n      (line.charAt(1) === ' ' || line.length === 1)\n    ) {\n      out.push(bareTuiAnsi.modifierDim + line.slice(2) + bareTuiAnsi.reset)\n      continue\n    }\n    out.push(bareTuiInlineMd(line))\n  }\n  return out.join('\\n')\n}\n\nfunction BareTuiMarkdown(opts) {\n  opts = opts || {}\n  this.source = opts.source || opts.text || ''\n  this.viewport = bareTuiViewport.create({\n    width: opts.width || 0,\n    height: opts.height || 12\n  })\n  this.viewport.setContent(bareTuiRenderMarkdown(this.source))\n}\nBareTuiMarkdown.prototype.setSource = function (src) {\n  this.source = src\n  this.viewport.setContent(bareTuiRenderMarkdown(src))\n  return this\n}\nBareTuiMarkdown.prototype.update = function (msg) {\n  var pair = this.viewport.update(msg)\n  this.viewport = pair[0]\n  return [this, pair[1]]\n}\nBareTuiMarkdown.prototype.view = function () {\n  return this.viewport.view()\n}\n\nvar bareTuiTabs = {\n  create: function (opts) {\n    return new BareTuiTabs(opts)\n  }\n}\nvar bareTuiModal = {\n  create: function (opts) {\n    return new BareTuiModal(opts)\n  }\n}\nvar bareTuiDialog = {\n  create: function (opts) {\n    return new BareTuiDialog(opts)\n  }\n}\nvar bareTuiTree = {\n  create: function (opts) {\n    return new BareTuiTree(opts)\n  }\n}\nvar bareTuiStatusbar = {\n  create: function (opts) {\n    return new BareTuiStatusbar(opts)\n  }\n}\nvar bareTuiSplit = {\n  create: function (opts) {\n    return new BareTuiSplit(opts)\n  }\n}\nvar bareTuiToast = {\n  create: function (opts) {\n    return new BareTuiToast(opts)\n  }\n}\nvar bareTuiMarkdown = {\n  create: function (opts) {\n    return new BareTuiMarkdown(opts)\n  },\n  render: bareTuiRenderMarkdown\n}\n\n/* src/zz-export.js */\n/** Public ctx.tui / ctx.sdk surface. */\n\nfunction bareTuiBuildPublic(ctx) {\n  return {\n    version: BARE_TUI_VERSION,\n    isTTY: function (opts) {\n      return bareTuiIsTTY(ctx, opts)\n    },\n    buffer: {\n      create: bareTuiGridCreate,\n      fill: bareTuiGridFill,\n      blit: bareTuiGridBlit,\n      plain: bareTuiGridPlain\n    },\n    size: function (opts) {\n      return bareTuiSize(ctx, opts)\n    },\n    ansi: bareTuiAnsi,\n    key: {\n      matches: bareTuiKeyMatches,\n      binding: bareTuiKeyBinding\n    },\n    decode: bareTuiDecodeBytes,\n    createDecoder: bareTuiCreateDecoder,\n    acquire: function (opts) {\n      return bareTuiAcquire(ctx, opts)\n    },\n    release: function (opts) {\n      return bareTuiRelease(ctx, opts)\n    },\n    withSession: function (fn, opts) {\n      return bareTuiWithSession(ctx, fn, opts)\n    },\n    screen: {\n      enter: function (opts) {\n        return bareTuiScreenEnter(ctx, opts)\n      },\n      leave: function (opts) {\n        return bareTuiScreenLeave(ctx, opts)\n      }\n    },\n    style: bareTuiMakeStyleFactory(ctx),\n    theme: function (opts) {\n      return bareTuiResolveTheme(ctx, opts)\n    },\n    run: function (model, opts) {\n      return bareTuiRunProgram(ctx, model, opts)\n    },\n    create: function (model, opts) {\n      return bareTuiCreateProgram(ctx, model, opts)\n    },\n    send: function (msg) {\n      return bareTuiSendActive(ctx, msg)\n    },\n    quit: bareTuiQuitCmd,\n    tick: bareTuiTick,\n    every: bareTuiEvery,\n    batch: bareTuiBatch,\n    sequence: bareTuiSequence,\n    suspend: bareTuiSuspend,\n    spinner: bareTuiSpinner,\n    textinput: bareTuiTextinput,\n    autocomplete: bareTuiAutocomplete,\n    textarea: bareTuiTextarea,\n    viewport: bareTuiViewport,\n    list: bareTuiList,\n    table: bareTuiTable,\n    help: bareTuiHelp,\n    progress: bareTuiProgress,\n    paginator: bareTuiPaginator,\n    stopwatch: bareTuiStopwatch,\n    timer: bareTuiTimer,\n    checkbox: bareTuiCheckbox,\n    radio: bareTuiRadio,\n    select: bareTuiSelect,\n    focus: bareTuiFocus,\n    filepicker: {\n      create: function (opts) {\n        return bareTuiFilepickerCreate(ctx, opts)\n      },\n      mock: bareTuiFilepickerMock\n    },\n    form: {\n      create: bareTuiFormCreate,\n      run: function (form, opts) {\n        return bareTuiFormRun(ctx, form, opts)\n      },\n      text: bareTuiFormText,\n      textarea: bareTuiFormTextarea,\n      number: bareTuiFormNumber,\n      select: bareTuiFormSelect,\n      radio: bareTuiFormRadio,\n      confirm: bareTuiFormConfirm\n    },\n    confirm: (function () {\n      var fn = function (opts) {\n        return bareTuiConfirm(ctx, opts)\n      }\n      fn.create = function (opts) {\n        return new BareTuiConfirmApp(opts)\n      }\n      return fn\n    })(),\n    prompt: (function () {\n      var fn = function (opts) {\n        return bareTuiPrompt(ctx, opts)\n      }\n      fn.create = function (opts) {\n        return new BareTuiPromptApp(opts)\n      }\n      return fn\n    })(),\n    choose: (function () {\n      var fn = function (opts) {\n        return bareTuiChoose(ctx, opts)\n      }\n      fn.create = function (opts) {\n        return new BareTuiChooseApp(opts)\n      }\n      return fn\n    })(),\n    tabs: bareTuiTabs,\n    modal: bareTuiModal,\n    dialog: bareTuiDialog,\n    tree: bareTuiTree,\n    statusbar: bareTuiStatusbar,\n    split: bareTuiSplit,\n    toast: bareTuiToast,\n    markdown: bareTuiMarkdown\n  }\n}\n\nfunction bareTuiBuildSdk(ctx, tui) {\n  return {\n    tui: tui,\n    theme: {\n      name: function (opts) {\n        return tui.theme(opts).name\n      },\n      tokens: function (opts) {\n        return tui.theme(opts).tokens\n      },\n      apply: function (name) {\n        if (name && ctx && ctx.env) ctx.env.BARE_OS_THEME = String(name)\n        if (ctx && typeof ctx.bareOsApplyTheme === 'function') {\n          return Promise.resolve(ctx.bareOsApplyTheme())\n        }\n        return Promise.resolve()\n      }\n    },\n    env: {\n      get: function (key) {\n        if (!ctx || !ctx.env) return ''\n        var v = ctx.env[key]\n        return v == null ? '' : String(v)\n      },\n      has: function (key) {\n        return !!(\n          ctx &&\n          ctx.env &&\n          ctx.env[key] != null &&\n          String(ctx.env[key]) !== ''\n        )\n      },\n      term: function () {\n        return this.get('TERM') || 'unknown'\n      },\n      colorDepth: function () {\n        return tui.theme().depth\n      },\n      noColor: function () {\n        return tui.theme().noColor\n      }\n    },\n    proc: {\n      read: function (name) {\n        var path = String(name || '')\n        if (path.indexOf('/') < 0) path = '/proc/bare_os/' + path\n        if (!ctx || !ctx.vfs || typeof ctx.vfs.readFile !== 'function') {\n          return Promise.resolve(null)\n        }\n        return Promise.resolve(ctx.vfs.readFile(path)).then(function (buf) {\n          if (!buf) return null\n          if (ctx.b4a && typeof ctx.b4a.toString === 'function')\n            return ctx.b4a.toString(buf)\n          if (typeof TextDecoder !== 'undefined') {\n            return new TextDecoder('utf-8').decode(buf)\n          }\n          return String(buf)\n        })\n      }\n    },\n    ipc: {\n      pushJson: function (name, obj) {\n        if (\n          !ctx ||\n          !ctx.bareOsIpc ||\n          typeof ctx.bareOsIpc.pushJson !== 'function'\n        ) {\n          return false\n        }\n        ctx.bareOsIpc.pushJson(name, obj)\n        return true\n      },\n      takeJson: function (name) {\n        if (\n          !ctx ||\n          !ctx.bareOsIpc ||\n          typeof ctx.bareOsIpc.takeJson !== 'function'\n        ) {\n          return Promise.resolve(null)\n        }\n        return ctx.bareOsIpc.takeJson(name)\n      }\n    },\n    app: {\n      run: function (model, opts) {\n        return tui.run(model, opts)\n      },\n      confirm: function (opts) {\n        return tui.confirm(opts)\n      },\n      prompt: function (opts) {\n        return tui.prompt(opts)\n      },\n      select: function (opts) {\n        return tui.choose(opts)\n      },\n      form: function (spec, opts) {\n        var f = tui.form.create(spec)\n        return tui.form.run(f, opts)\n      }\n    },\n    vfs: {\n      list: function (path) {\n        if (!ctx || !ctx.vfs || typeof ctx.vfs.readdir !== 'function') {\n          return Promise.resolve([])\n        }\n        return ctx.vfs.readdir(path)\n      },\n      readText: function (path) {\n        if (!ctx || !ctx.vfs || typeof ctx.vfs.readFile !== 'function') {\n          return Promise.resolve(null)\n        }\n        return Promise.resolve(ctx.vfs.readFile(path)).then(function (buf) {\n          if (!buf) return null\n          if (ctx.b4a && typeof ctx.b4a.toString === 'function')\n            return ctx.b4a.toString(buf)\n          if (typeof TextDecoder !== 'undefined') {\n            return new TextDecoder('utf-8').decode(buf)\n          }\n          return String(buf)\n        })\n      },\n      writeText: function (path, text) {\n        if (!ctx || !ctx.vfs || typeof ctx.vfs.writeFile !== 'function') {\n          return Promise.resolve(false)\n        }\n        var s = String(text == null ? '' : text)\n        var buf\n        if (ctx.b4a && typeof ctx.b4a.from === 'function') buf = ctx.b4a.from(s)\n        else if (typeof TextEncoder !== 'undefined')\n          buf = new TextEncoder().encode(s)\n        else buf = s\n        return Promise.resolve(ctx.vfs.writeFile(path, buf)).then(function () {\n          return true\n        })\n      }\n    },\n    tty: {\n      isTTY: function (opts) {\n        return tui.isTTY(opts)\n      },\n      size: function (opts) {\n        return tui.size(opts)\n      },\n      acquire: function (opts) {\n        return tui.acquire(opts)\n      },\n      release: function (opts) {\n        return tui.release(opts)\n      },\n      withSession: function (fn, opts) {\n        return tui.withSession(fn, opts)\n      }\n    }\n  }\n}\n\nfunction bareTuiAttachToCtx(ctx) {\n  var tui = bareTuiBuildPublic(ctx)\n  var sdk = bareTuiBuildSdk(ctx, tui)\n  return { tui: tui, sdk: sdk }\n}\nreturn bareTuiAttachToCtx(ctx);\n})"