Unexpected type inside the list

[LittleYe233]

I am running a Hexo blog with this package and the server throws an OperationalError below.

03:36:22.234 ERROR {
  err: [OperationalError: F:/code/nodejs/hexo-theme-unit-test/node_modules/bulma-stylus/stylus/utilities/functions.styl:8:5
      4|     if match('\b(' + $type + ')\b', typeof(v)) != null
      5|       _void = _void + 1;
      6|
      7|   if length($list) != _void
      8|     error("Unexpected type inside the list.")
  ----------^
      9|     return false;
     10|
     11|   return true;

  Unexpected type inside the list.
  ] {
    cause: [Error: F:/code/nodejs/hexo-theme-unit-test/node_modules/bulma-stylus/stylus/utilities/functions.styl:8:5
        4|     if match('\b(' + $type + ')\b', typeof(v)) != null
        5|       _void = _void + 1;
        6|
        7|   if length($list) != _void
        8|     error("Unexpected type inside the list.")
    ----------^
        9|     return false;
       10|
       11|   return true;

    Unexpected type inside the list.
    ] {
      fromStylus: true,
      lineno: 8,
      column: 5,
      filename: 'F:/code/nodejs/hexo-theme-unit-test/node_modules/bulma-stylus/stylus/utilities/functions.styl',
      stylusStack: '',
      input: "listTypeofValuesValidator($list, $type= 'rgba|hsla')\n" +
        '  _void= 0;\n' +
        '  for v, i in $list\n' +
        "    if match('\\b(' + $type + ')\\b', typeof(v)) != null\n" +
        '      _void = _void + 1;\n' +
        '\n' +
        '  if length($list) != _void\n' +
        '    error("Unexpected type inside the list.")\n' +
        '    return false;\n' +
        '\n' +
        '  return true;\n' +
        '\n' +
        'mergeColorMaps($bulma-colors, $custom-colors)\n' +
        "  // We return at least Bulma's hard-coded colors\n" +
        '  $merged-colors = $bulma-colors\n' +
        '\n' +
        '  // We want a map as input\n' +
        "  if typeof($custom-colors) == 'object'\n" +
        '    for $name, $components in $custom-colors\n' +
        '      // The color name should be a string\n' +
        '      // and the components either a single color\n' +
        '      // or a colors list with at least one element\n' +
        "      if typeof($name) == 'string' and (typeof($components) == 'ident' or listTypeofValuesValidator($components, 'rgba|hsla')) and length($components) >= 1\n" +
        '        $color-base = null\n' +
        '        $color-invert = null\n' +
        '        $color-light = null\n' +
        '        $color-dark = null\n' +
        '        $value = null\n' +
        '\n' +
        '        // The param can either be a single color\n' +
        '        // or a list of 2 colors\n' +
        "        if listTypeofValuesValidator($components, 'rgba|hsla') and length($components) == 1\n" +
        '          $color-base = $components\n' +
        '          $color-invert = findColorInvert($color-base)\n' +
        '          $color-light = findLightColor($color-base)\n' +
        '          $color-dark = findDarkColor($color-base)\n' +
        "        else if listTypeofValuesValidator($components, 'rgba|hsla') and length($components) > 1\n" +
        '          $color-base = $components[0]\n' +
        '          // If Invert, Light and Dark are provided\n' +
        '          if length($components) > 3\n' +
        '            $color-invert = $components[1]\n' +
        '            $color-light = $components[2]\n' +
        '            $color-dark = $components[3]\n' +
        '            // If only Invert and Light are provided\n' +
        '          else if length($components) > 2\n' +
        '            $color-invert = $components[1]\n' +
        '            $color-light = $components[2]\n' +
        '            $color-dark = findDarkColor($color-base)\n' +
        '            // If only Invert is provided\n' +
        '          else\n' +
        '            $color-invert = $components[1]\n' +
        '            $color-light = findLightColor($color-base)\n' +
        '            $color-dark = findDarkColor($color-base)\n' +
        '\n' +
        '        $value = {\n' +
        "          '1': $color-base,\n" +
        "          '2': $color-invert,\n" +
        "          '3': $color-light,\n" +
        "          '4': $color-dark\n" +
        '        }\n' +
        '\n' +
        '        // We only want to merge the map if the color base is an actual color\n' +
        "        if match('\\b(rgba|hsla)\\b', typeof($color-base))\n" +
        "          // We merge this colors elements as map with Bulma's colors map\n" +
        '          // (we can override them this way, no multiple definition for the same name)\n' +
        '          // $merged-colors: map_merge($merged-colors, ($name: ($color-base, $color-invert, $color-light, $color-dark)))\n' +
        '          $merged-colors[$name] = $value\n' +
        '\n' +
        '  return $merged-colors\n' +
        '\n' +
        'powerNumber($number, $exp)\n' +
        '  return $number ** $exp\n' +
        '\n' +
        'colorLuminance($color)\n' +
        "  $color-rgb = {'red': red($color),'green': green($color),'blue': blue($color)}\n" +
        '  for $name, $value in $color-rgb\n' +
        '    $adjusted = 0\n' +
        '    $value = $value / 255\n' +
        '    if $value < 0.03928\n' +
        '      $value = $value / 12.92\n' +
        '    else\n' +
        '      $value = ($value + .055) / 1.055\n' +
        '      $value = powerNumber($value, 2)\n' +
        '    $color-rgb[$name] = $value\n' +
        "  return (($color-rgb['red'] * .2126) + ($color-rgb['green'] * .7152) + ($color-rgb['blue'] * .0722))\n" +
        '\n' +
        'findColorInvert($color)\n' +
        '  if colorLuminance($color) > 0.55\n' +
        '    return rgba(#000, 0.7)\n' +
        '  else\n' +
        '    return #fff\n' +
        '\n' +
        'findLightColor($color)\n' +
        "  if typeof($color) == 'rgba' or typeof($color) == 'hsla'\n" +
        '    $l = 96%\n' +
        '    if lightness($color) > 96%\n' +
        '      $l = lightness($color)\n' +
        '    return lightness($color, $l)\n' +
        '  return $background\n' +
        '\n' +
        'findDarkColor($color)\n' +
        "  if typeof($color) == 'rgba' or typeof($color) == 'hsla'\n" +
        '    $base-l = 29%\n' +
        '    $luminance = colorLuminance($color)\n' +
        '    $luminance-delta = (0.53 - $luminance)\n' +
        '    $target-l = round($base-l + ($luminance-delta * 53))\n' +
        '    return lightness($color, max($base-l, $target-l))\n' +
        '  return $text-strong\n' +
        '\n' +
        '/* Bif replacements to match the behaviour of Sass */\n' +
        '\n' +
        'bulma-stylus-darken($color, $amount)\n' +
        '  return lightness($color, lightness($color) - $amount)\n' +
        '\n' +
        'bulma-stylus-lighten($color, $amount)\n' +
        '  return lightness($color, lightness($color) + $amount)\n' +
        '\n' +
        'bulma-stylus-saturate($color, $amount)\n' +
        '  return saturation($color, saturation($color) + $amount)\n'
    },
    isOperational: true,
    fromStylus: true,
    lineno: 8,
    column: 5,
    filename: 'F:/code/nodejs/hexo-theme-unit-test/node_modules/bulma-stylus/stylus/utilities/functions.styl',
    stylusStack: '',
    input: "listTypeofValuesValidator($list, $type= 'rgba|hsla')\n" +
      '  _void= 0;\n' +
      '  for v, i in $list\n' +
      "    if match('\\b(' + $type + ')\\b', typeof(v)) != null\n" +
      '      _void = _void + 1;\n' +
      '\n' +
      '  if length($list) != _void\n' +
      '    error("Unexpected type inside the list.")\n' +
      '    return false;\n' +
      '\n' +
      '  return true;\n' +
      '\n' +
      'mergeColorMaps($bulma-colors, $custom-colors)\n' +
      "  // We return at least Bulma's hard-coded colors\n" +
      '  $merged-colors = $bulma-colors\n' +
      '\n' +
      '  // We want a map as input\n' +
      "  if typeof($custom-colors) == 'object'\n" +
      '    for $name, $components in $custom-colors\n' +
      '      // The color name should be a string\n' +
      '      // and the components either a single color\n' +
      '      // or a colors list with at least one element\n' +
      "      if typeof($name) == 'string' and (typeof($components) == 'ident' or listTypeofValuesValidator($components, 'rgba|hsla')) and length($components) >= 1\n" +
      '        $color-base = null\n' +
      '        $color-invert = null\n' +
      '        $color-light = null\n' +
      '        $color-dark = null\n' +
      '        $value = null\n' +
      '\n' +
      '        // The param can either be a single color\n' +
      '        // or a list of 2 colors\n' +
      "        if listTypeofValuesValidator($components, 'rgba|hsla') and length($components) == 1\n" +
      '          $color-base = $components\n' +
      '          $color-invert = findColorInvert($color-base)\n' +
      '          $color-light = findLightColor($color-base)\n' +
      '          $color-dark = findDarkColor($color-base)\n' +
      "        else if listTypeofValuesValidator($components, 'rgba|hsla') and length($components) > 1\n" +
      '          $color-base = $components[0]\n' +
      '          // If Invert, Light and Dark are provided\n' +
      '          if length($components) > 3\n' +
      '            $color-invert = $components[1]\n' +
      '            $color-light = $components[2]\n' +
      '            $color-dark = $components[3]\n' +
      '            // If only Invert and Light are provided\n' +
      '          else if length($components) > 2\n' +
      '            $color-invert = $components[1]\n' +
      '            $color-light = $components[2]\n' +
      '            $color-dark = findDarkColor($color-base)\n' +
      '            // If only Invert is provided\n' +
      '          else\n' +
      '            $color-invert = $components[1]\n' +
      '            $color-light = findLightColor($color-base)\n' +
      '            $color-dark = findDarkColor($color-base)\n' +
      '\n' +
      '        $value = {\n' +
      "          '1': $color-base,\n" +
      "          '2': $color-invert,\n" +
      "          '3': $color-light,\n" +
      "          '4': $color-dark\n" +
      '        }\n' +
      '\n' +
      '        // We only want to merge the map if the color base is an actual color\n' +
      "        if match('\\b(rgba|hsla)\\b', typeof($color-base))\n" +
      "          // We merge this colors elements as map with Bulma's colors map\n" +
      '          // (we can override them this way, no multiple definition for the same name)\n' +
      '          // $merged-colors: map_merge($merged-colors, ($name: ($color-base, $color-invert, $color-light, $color-dark)))\n' +
      '          $merged-colors[$name] = $value\n' +
      '\n' +
      '  return $merged-colors\n' +
      '\n' +
      'powerNumber($number, $exp)\n' +
      '  return $number ** $exp\n' +
      '\n' +
      'colorLuminance($color)\n' +
      "  $color-rgb = {'red': red($color),'green': green($color),'blue': blue($color)}\n" +
      '  for $name, $value in $color-rgb\n' +
      '    $adjusted = 0\n' +
      '    $value = $value / 255\n' +
      '    if $value < 0.03928\n' +
      '      $value = $value / 12.92\n' +
      '    else\n' +
      '      $value = ($value + .055) / 1.055\n' +
      '      $value = powerNumber($value, 2)\n' +
      '    $color-rgb[$name] = $value\n' +
      "  return (($color-rgb['red'] * .2126) + ($color-rgb['green'] * .7152) + ($color-rgb['blue'] * .0722))\n" +
      '\n' +
      'findColorInvert($color)\n' +
      '  if colorLuminance($color) > 0.55\n' +
      '    return rgba(#000, 0.7)\n' +
      '  else\n' +
      '    return #fff\n' +
      '\n' +
      'findLightColor($color)\n' +
      "  if typeof($color) == 'rgba' or typeof($color) == 'hsla'\n" +
      '    $l = 96%\n' +
      '    if lightness($color) > 96%\n' +
      '      $l = lightness($color)\n' +
      '    return lightness($color, $l)\n' +
      '  return $background\n' +
      '\n' +
      'findDarkColor($color)\n' +
      "  if typeof($color) == 'rgba' or typeof($color) == 'hsla'\n" +
      '    $base-l = 29%\n' +
      '    $luminance = colorLuminance($color)\n' +
      '    $luminance-delta = (0.53 - $luminance)\n' +
      '    $target-l = round($base-l + ($luminance-delta * 53))\n' +
      '    return lightness($color, max($base-l, $target-l))\n' +
      '  return $text-strong\n' +
      '\n' +
      '/* Bif replacements to match the behaviour of Sass */\n' +
      '\n' +
      'bulma-stylus-darken($color, $amount)\n' +
      '  return lightness($color, lightness($color) - $amount)\n' +
      '\n' +
      'bulma-stylus-lighten($color, $amount)\n' +
      '  return lightness($color, lightness($color) + $amount)\n' +
      '\n' +
      'bulma-stylus-saturate($color, $amount)\n' +
      '  return saturation($color, saturation($color) + $amount)\n'
  }
} Asset render failed: %s css/default.css

In the previous runs I used [email protected] and there were no errors. The current bulma-stylus version I use is 0.9.2-rc.1. So what happens?