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true;\n\t\t});\n\t}\n\n\tvar aliases = {};\n\n\tfunction aliasIsBoolean(key) {\n\t\treturn aliases[key].some(function (x) {\n\t\t\treturn flags.bools[x];\n\t\t});\n\t}\n\n\tObject.keys(opts.alias || {}).forEach(function (key) {\n\t\taliases[key] = [].concat(opts.alias[key]);\n\t\taliases[key].forEach(function (x) {\n\t\t\taliases[x] = [key].concat(aliases[key].filter(function (y) {\n\t\t\t\treturn x !== y;\n\t\t\t}));\n\t\t});\n\t});\n\n\t[].concat(opts.string).filter(Boolean).forEach(function (key) {\n\t\tflags.strings[key] = true;\n\t\tif (aliases[key]) {\n\t\t\t[].concat(aliases[key]).forEach(function (k) {\n\t\t\t\tflags.strings[k] = true;\n\t\t\t});\n\t\t}\n\t});\n\n\tvar defaults = opts.default || {};\n\n\tvar argv = { _: [] };\n\n\tfunction argDefined(key, arg) {\n\t\treturn (flags.allBools && (/^--[^=]+$/).test(arg))\n\t\t\t|| flags.strings[key]\n\t\t\t|| flags.bools[key]\n\t\t\t|| aliases[key];\n\t}\n\n\tfunction setKey(obj, keys, value) {\n\t\tvar o = obj;\n\t\tfor (var i = 0; i < keys.length - 1; i++) {\n\t\t\tvar key = keys[i];\n\t\t\tif (isConstructorOrProto(o, key)) { return; }\n\t\t\tif (o[key] === undefined) { o[key] = {}; }\n\t\t\tif (\n\t\t\t\to[key] === Object.prototype\n\t\t\t\t|| o[key] === Number.prototype\n\t\t\t\t|| o[key] === String.prototype\n\t\t\t) {\n\t\t\t\to[key] = {};\n\t\t\t}\n\t\t\tif (o[key] === Array.prototype) { o[key] = []; }\n\t\t\to = o[key];\n\t\t}\n\n\t\tvar lastKey = keys[keys.length - 1];\n\t\tif (isConstructorOrProto(o, lastKey)) { return; }\n\t\tif (\n\t\t\to === Object.prototype\n\t\t\t|| o === Number.prototype\n\t\t\t|| o === String.prototype\n\t\t) {\n\t\t\to = {};\n\t\t}\n\t\tif (o === Array.prototype) { o = []; }\n\t\tif (o[lastKey] === undefined || flags.bools[lastKey] || typeof o[lastKey] === 'boolean') {\n\t\t\to[lastKey] = value;\n\t\t} else if (Array.isArray(o[lastKey])) {\n\t\t\to[lastKey].push(value);\n\t\t} else {\n\t\t\to[lastKey] = [o[lastKey], value];\n\t\t}\n\t}\n\n\tfunction setArg(key, val, arg) {\n\t\tif (arg && flags.unknownFn && !argDefined(key, arg)) {\n\t\t\tif (flags.unknownFn(arg) === false) { return; }\n\t\t}\n\n\t\tvar value = !flags.strings[key] && isNumber(val)\n\t\t\t? Number(val)\n\t\t\t: val;\n\t\tsetKey(argv, key.split('.'), value);\n\n\t\t(aliases[key] || []).forEach(function (x) {\n\t\t\tsetKey(argv, x.split('.'), value);\n\t\t});\n\t}\n\n\tObject.keys(flags.bools).forEach(function (key) {\n\t\tsetArg(key, defaults[key] === undefined ? false : defaults[key]);\n\t});\n\n\tvar notFlags = [];\n\n\tif (args.indexOf('--') !== -1) {\n\t\tnotFlags = args.slice(args.indexOf('--') + 1);\n\t\targs = args.slice(0, args.indexOf('--'));\n\t}\n\n\tfor (var i = 0; i < args.length; i++) {\n\t\tvar arg = args[i];\n\t\tvar key;\n\t\tvar next;\n\n\t\tif ((/^--.+=/).test(arg)) {\n\t\t\t// Using [\\s\\S] instead of . because js doesn't support the\n\t\t\t// 'dotall' regex modifier. See:\n\t\t\t// http://stackoverflow.com/a/1068308/13216\n\t\t\tvar m = arg.match(/^--([^=]+)=([\\s\\S]*)$/);\n\t\t\tkey = m[1];\n\t\t\tvar value = m[2];\n\t\t\tif (flags.bools[key]) {\n\t\t\t\tvalue = value !== 'false';\n\t\t\t}\n\t\t\tsetArg(key, value, arg);\n\t\t} else if ((/^--no-.+/).test(arg)) {\n\t\t\tkey = arg.match(/^--no-(.+)/)[1];\n\t\t\tsetArg(key, false, arg);\n\t\t} else if ((/^--.+/).test(arg)) {\n\t\t\tkey = arg.match(/^--(.+)/)[1];\n\t\t\tnext = args[i + 1];\n\t\t\tif (\n\t\t\t\tnext !== undefined\n\t\t\t\t&& !(/^(-|--)[^-]/).test(next)\n\t\t\t\t&& !flags.bools[key]\n\t\t\t\t&& !flags.allBools\n\t\t\t\t&& (aliases[key] ? !aliasIsBoolean(key) : true)\n\t\t\t) {\n\t\t\t\tsetArg(key, next, arg);\n\t\t\t\ti += 1;\n\t\t\t} else if ((/^(true|false)$/).test(next)) {\n\t\t\t\tsetArg(key, next === 'true', arg);\n\t\t\t\ti += 1;\n\t\t\t} else {\n\t\t\t\tsetArg(key, flags.strings[key] ? '' : true, arg);\n\t\t\t}\n\t\t} else if ((/^-[^-]+/).test(arg)) {\n\t\t\tvar letters = arg.slice(1, -1).split('');\n\n\t\t\tvar broken = false;\n\t\t\tfor (var j = 0; j < letters.length; j++) {\n\t\t\t\tnext = arg.slice(j + 2);\n\n\t\t\t\tif (next === '-') {\n\t\t\t\t\tsetArg(letters[j], next, arg);\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tif ((/[A-Za-z]/).test(letters[j]) && next[0] === '=') {\n\t\t\t\t\tsetArg(letters[j], next.slice(1), arg);\n\t\t\t\t\tbroken = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tif (\n\t\t\t\t\t(/[A-Za-z]/).test(letters[j])\n\t\t\t\t\t&& (/-?\\d+(\\.\\d*)?(e-?\\d+)?$/).test(next)\n\t\t\t\t) {\n\t\t\t\t\tsetArg(letters[j], next, arg);\n\t\t\t\t\tbroken = true;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\n\t\t\t\tif (letters[j + 1] && letters[j + 1].match(/\\W/)) {\n\t\t\t\t\tsetArg(letters[j], arg.slice(j + 2), arg);\n\t\t\t\t\tbroken = true;\n\t\t\t\t\tbreak;\n\t\t\t\t} else {\n\t\t\t\t\tsetArg(letters[j], flags.strings[letters[j]] ? '' : true, arg);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tkey = arg.slice(-1)[0];\n\t\t\tif (!broken && key !== '-') {\n\t\t\t\tif (\n\t\t\t\t\targs[i + 1]\n\t\t\t\t\t&& !(/^(-|--)[^-]/).test(args[i + 1])\n\t\t\t\t\t&& !flags.bools[key]\n\t\t\t\t\t&& (aliases[key] ? !aliasIsBoolean(key) : true)\n\t\t\t\t) {\n\t\t\t\t\tsetArg(key, args[i + 1], arg);\n\t\t\t\t\ti += 1;\n\t\t\t\t} else if (args[i + 1] && (/^(true|false)$/).test(args[i + 1])) {\n\t\t\t\t\tsetArg(key, args[i + 1] === 'true', arg);\n\t\t\t\t\ti += 1;\n\t\t\t\t} else {\n\t\t\t\t\tsetArg(key, flags.strings[key] ? '' : true, arg);\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tif (!flags.unknownFn || flags.unknownFn(arg) !== false) {\n\t\t\t\targv._.push(flags.strings._ || !isNumber(arg) ? arg : Number(arg));\n\t\t\t}\n\t\t\tif (opts.stopEarly) {\n\t\t\t\targv._.push.apply(argv._, args.slice(i + 1));\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\tObject.keys(defaults).forEach(function (k) {\n\t\tif (!hasKey(argv, k.split('.'))) {\n\t\t\tsetKey(argv, k.split('.'), defaults[k]);\n\n\t\t\t(aliases[k] || []).forEach(function (x) {\n\t\t\t\tsetKey(argv, x.split('.'), defaults[k]);\n\t\t\t});\n\t\t}\n\t});\n\n\tif (opts['--']) {\n\t\targv['--'] = notFlags.slice();\n\t} else {\n\t\tnotFlags.forEach(function (k) {\n\t\t\targv._.push(k);\n\t\t});\n\t}\n\n\treturn argv;\n};\n","// 'path' module extracted from Node.js v8.11.1 (only the posix part)\n// transplited with Babel\n\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n'use strict';\n\nfunction assertPath(path) {\n  if (typeof path !== 'string') {\n    throw new TypeError('Path must be a string. Received ' + JSON.stringify(path));\n  }\n}\n\n// Resolves . and .. elements in a path with directory names\nfunction normalizeStringPosix(path, allowAboveRoot) {\n  var res = '';\n  var lastSegmentLength = 0;\n  var lastSlash = -1;\n  var dots = 0;\n  var code;\n  for (var i = 0; i <= path.length; ++i) {\n    if (i < path.length)\n      code = path.charCodeAt(i);\n    else if (code === 47 /*/*/)\n      break;\n    else\n      code = 47 /*/*/;\n    if (code === 47 /*/*/) {\n      if (lastSlash === i - 1 || dots === 1) {\n        // NOOP\n      } else if (lastSlash !== i - 1 && dots === 2) {\n        if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== 46 /*.*/ || res.charCodeAt(res.length - 2) !== 46 /*.*/) {\n          if (res.length > 2) {\n            var lastSlashIndex = res.lastIndexOf('/');\n            if (lastSlashIndex !== res.length - 1) {\n              if (lastSlashIndex === -1) {\n                res = '';\n                lastSegmentLength = 0;\n              } else {\n                res = res.slice(0, lastSlashIndex);\n                lastSegmentLength = res.length - 1 - res.lastIndexOf('/');\n              }\n              lastSlash = i;\n              dots = 0;\n              continue;\n            }\n          } else if (res.length === 2 || res.length === 1) {\n            res = '';\n            lastSegmentLength = 0;\n            lastSlash = i;\n            dots = 0;\n            continue;\n          }\n        }\n        if (allowAboveRoot) {\n          if (res.length > 0)\n            res += '/..';\n          else\n            res = '..';\n          lastSegmentLength = 2;\n        }\n      } else {\n        if (res.length > 0)\n          res += '/' + path.slice(lastSlash + 1, i);\n        else\n          res = path.slice(lastSlash + 1, i);\n        lastSegmentLength = i - lastSlash - 1;\n      }\n      lastSlash = i;\n      dots = 0;\n    } else if (code === 46 /*.*/ && dots !== -1) {\n      ++dots;\n    } else {\n      dots = -1;\n    }\n  }\n  return res;\n}\n\nfunction _format(sep, pathObject) {\n  var dir = pathObject.dir || pathObject.root;\n  var base = pathObject.base || (pathObject.name || '') + (pathObject.ext || '');\n  if (!dir) {\n    return base;\n  }\n  if (dir === pathObject.root) {\n    return dir + base;\n  }\n  return dir + sep + base;\n}\n\nvar posix = {\n  // path.resolve([from ...], to)\n  resolve: function resolve() {\n    var resolvedPath = '';\n    var resolvedAbsolute = false;\n    var cwd;\n\n    for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {\n      var path;\n      if (i >= 0)\n        path = arguments[i];\n      else {\n        if (cwd === undefined)\n          cwd = process.cwd();\n        path = cwd;\n      }\n\n      assertPath(path);\n\n      // Skip empty entries\n      if (path.length === 0) {\n        continue;\n      }\n\n      resolvedPath = path + '/' + resolvedPath;\n      resolvedAbsolute = path.charCodeAt(0) === 47 /*/*/;\n    }\n\n    // At this point the path should be resolved to a full absolute path, but\n    // handle relative paths to be safe (might happen when process.cwd() fails)\n\n    // Normalize the path\n    resolvedPath = normalizeStringPosix(resolvedPath, !resolvedAbsolute);\n\n    if (resolvedAbsolute) {\n      if (resolvedPath.length > 0)\n        return '/' + resolvedPath;\n      else\n        return '/';\n    } else if (resolvedPath.length > 0) {\n      return resolvedPath;\n    } else {\n      return '.';\n    }\n  },\n\n  normalize: function normalize(path) {\n    assertPath(path);\n\n    if (path.length === 0) return '.';\n\n    var isAbsolute = path.charCodeAt(0) === 47 /*/*/;\n    var trailingSeparator = path.charCodeAt(path.length - 1) === 47 /*/*/;\n\n    // Normalize the path\n    path = normalizeStringPosix(path, !isAbsolute);\n\n    if (path.length === 0 && !isAbsolute) path = '.';\n    if (path.length > 0 && trailingSeparator) path += '/';\n\n    if (isAbsolute) return '/' + path;\n    return path;\n  },\n\n  isAbsolute: function isAbsolute(path) {\n    assertPath(path);\n    return path.length > 0 && path.charCodeAt(0) === 47 /*/*/;\n  },\n\n  join: function join() {\n    if (arguments.length === 0)\n      return '.';\n    var joined;\n    for (var i = 0; i < arguments.length; ++i) {\n      var arg = arguments[i];\n      assertPath(arg);\n      if (arg.length > 0) {\n        if (joined === undefined)\n          joined = arg;\n        else\n          joined += '/' + arg;\n      }\n    }\n    if (joined === undefined)\n      return '.';\n    return posix.normalize(joined);\n  },\n\n  relative: function relative(from, to) {\n    assertPath(from);\n    assertPath(to);\n\n    if (from === to) return '';\n\n    from = posix.resolve(from);\n    to = posix.resolve(to);\n\n    if (from === to) return '';\n\n    // Trim any leading backslashes\n    var fromStart = 1;\n    for (; fromStart < from.length; ++fromStart) {\n      if (from.charCodeAt(fromStart) !== 47 /*/*/)\n        break;\n    }\n    var fromEnd = from.length;\n    var fromLen = fromEnd - fromStart;\n\n    // Trim any leading backslashes\n    var toStart = 1;\n    for (; toStart < to.length; ++toStart) {\n      if (to.charCodeAt(toStart) !== 47 /*/*/)\n        break;\n    }\n    var toEnd = to.length;\n    var toLen = toEnd - toStart;\n\n    // Compare paths to find the longest common path from root\n    var length = fromLen < toLen ? fromLen : toLen;\n    var lastCommonSep = -1;\n    var i = 0;\n    for (; i <= length; ++i) {\n      if (i === length) {\n        if (toLen > length) {\n          if (to.charCodeAt(toStart + i) === 47 /*/*/) {\n            // We get here if `from` is the exact base path for `to`.\n            // For example: from='/foo/bar'; to='/foo/bar/baz'\n            return to.slice(toStart + i + 1);\n          } else if (i === 0) {\n            // We get here if `from` is the root\n            // For example: from='/'; to='/foo'\n            return to.slice(toStart + i);\n          }\n        } else if (fromLen > length) {\n          if (from.charCodeAt(fromStart + i) === 47 /*/*/) {\n            // We get here if `to` is the exact base path for `from`.\n            // For example: from='/foo/bar/baz'; to='/foo/bar'\n            lastCommonSep = i;\n          } else if (i === 0) {\n            // We get here if `to` is the root.\n            // For example: from='/foo'; to='/'\n            lastCommonSep = 0;\n          }\n        }\n        break;\n      }\n      var fromCode = from.charCodeAt(fromStart + i);\n      var toCode = to.charCodeAt(toStart + i);\n      if (fromCode !== toCode)\n        break;\n      else if (fromCode === 47 /*/*/)\n        lastCommonSep = i;\n    }\n\n    var out = '';\n    // Generate the relative path based on the path difference between `to`\n    // and `from`\n    for (i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i) {\n      if (i === fromEnd || from.charCodeAt(i) === 47 /*/*/) {\n        if (out.length === 0)\n          out += '..';\n        else\n          out += '/..';\n      }\n    }\n\n    // Lastly, append the rest of the destination (`to`) path that comes after\n    // the common path parts\n    if (out.length > 0)\n      return out + to.slice(toStart + lastCommonSep);\n    else {\n      toStart += lastCommonSep;\n      if (to.charCodeAt(toStart) === 47 /*/*/)\n        ++toStart;\n      return to.slice(toStart);\n    }\n  },\n\n  _makeLong: function _makeLong(path) {\n    return path;\n  },\n\n  dirname: function dirname(path) {\n    assertPath(path);\n    if (path.length === 0) return '.';\n    var code = path.charCodeAt(0);\n    var hasRoot = code === 47 /*/*/;\n    var end = -1;\n    var matchedSlash = true;\n    for (var i = path.length - 1; i >= 1; --i) {\n      code = path.charCodeAt(i);\n      if (code === 47 /*/*/) {\n          if (!matchedSlash) {\n            end = i;\n            break;\n          }\n        } else {\n        // We saw the first non-path separator\n        matchedSlash = false;\n      }\n    }\n\n    if (end === -1) return hasRoot ? '/' : '.';\n    if (hasRoot && end === 1) return '//';\n    return path.slice(0, end);\n  },\n\n  basename: function basename(path, ext) {\n    if (ext !== undefined && typeof ext !== 'string') throw new TypeError('\"ext\" argument must be a string');\n    assertPath(path);\n\n    var start = 0;\n    var end = -1;\n    var matchedSlash = true;\n    var i;\n\n    if (ext !== undefined && ext.length > 0 && ext.length <= path.length) {\n      if (ext.length === path.length && ext === path) return '';\n      var extIdx = ext.length - 1;\n      var firstNonSlashEnd = -1;\n      for (i = path.length - 1; i >= 0; --i) {\n        var code = path.charCodeAt(i);\n        if (code === 47 /*/*/) {\n            // If we reached a path separator that was not part of a set of path\n            // separators at the end of the string, stop now\n            if (!matchedSlash) {\n              start = i + 1;\n              break;\n            }\n          } else {\n          if (firstNonSlashEnd === -1) {\n            // We saw the first non-path separator, remember this index in case\n            // we need it if the extension ends up not matching\n            matchedSlash = false;\n            firstNonSlashEnd = i + 1;\n          }\n          if (extIdx >= 0) {\n            // Try to match the explicit extension\n            if (code === ext.charCodeAt(extIdx)) {\n              if (--extIdx === -1) {\n                // We matched the extension, so mark this as the end of our path\n                // component\n                end = i;\n              }\n            } else {\n              // Extension does not match, so our result is the entire path\n              // component\n              extIdx = -1;\n              end = firstNonSlashEnd;\n            }\n          }\n        }\n      }\n\n      if (start === end) end = firstNonSlashEnd;else if (end === -1) end = path.length;\n      return path.slice(start, end);\n    } else {\n      for (i = path.length - 1; i >= 0; --i) {\n        if (path.charCodeAt(i) === 47 /*/*/) {\n            // If we reached a path separator that was not part of a set of path\n            // separators at the end of the string, stop now\n            if (!matchedSlash) {\n              start = i + 1;\n              break;\n            }\n          } else if (end === -1) {\n          // We saw the first non-path separator, mark this as the end of our\n          // path component\n          matchedSlash = false;\n          end = i + 1;\n        }\n      }\n\n      if (end === -1) return '';\n      return path.slice(start, end);\n    }\n  },\n\n  extname: function extname(path) {\n    assertPath(path);\n    var startDot = -1;\n    var startPart = 0;\n    var end = -1;\n    var matchedSlash = true;\n    // Track the state of characters (if any) we see before our first dot and\n    // after any path separator we find\n    var preDotState = 0;\n    for (var i = path.length - 1; i >= 0; --i) {\n      var code = path.charCodeAt(i);\n      if (code === 47 /*/*/) {\n          // If we reached a path separator that was not part of a set of path\n          // separators at the end of the string, stop now\n          if (!matchedSlash) {\n            startPart = i + 1;\n            break;\n          }\n          continue;\n        }\n      if (end === -1) {\n        // We saw the first non-path separator, mark this as the end of our\n        // extension\n        matchedSlash = false;\n        end = i + 1;\n      }\n      if (code === 46 /*.*/) {\n          // If this is our first dot, mark it as the start of our extension\n          if (startDot === -1)\n            startDot = i;\n          else if (preDotState !== 1)\n            preDotState = 1;\n      } else if (startDot !== -1) {\n        // We saw a non-dot and non-path separator before our dot, so we should\n        // have a good chance at having a non-empty extension\n        preDotState = -1;\n      }\n    }\n\n    if (startDot === -1 || end === -1 ||\n        // We saw a non-dot character immediately before the dot\n        preDotState === 0 ||\n        // The (right-most) trimmed path component is exactly '..'\n        preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {\n      return '';\n    }\n    return path.slice(startDot, end);\n  },\n\n  format: function format(pathObject) {\n    if (pathObject === null || typeof pathObject !== 'object') {\n      throw new TypeError('The \"pathObject\" argument must be of type Object. Received type ' + typeof pathObject);\n    }\n    return _format('/', pathObject);\n  },\n\n  parse: function parse(path) {\n    assertPath(path);\n\n    var ret = { root: '', dir: '', base: '', ext: '', name: '' };\n    if (path.length === 0) return ret;\n    var code = path.charCodeAt(0);\n    var isAbsolute = code === 47 /*/*/;\n    var start;\n    if (isAbsolute) {\n      ret.root = '/';\n      start = 1;\n    } else {\n      start = 0;\n    }\n    var startDot = -1;\n    var startPart = 0;\n    var end = -1;\n    var matchedSlash = true;\n    var i = path.length - 1;\n\n    // Track the state of characters (if any) we see before our first dot and\n    // after any path separator we find\n    var preDotState = 0;\n\n    // Get non-dir info\n    for (; i >= start; --i) {\n      code = path.charCodeAt(i);\n      if (code === 47 /*/*/) {\n          // If we reached a path separator that was not part of a set of path\n          // separators at the end of the string, stop now\n          if (!matchedSlash) {\n            startPart = i + 1;\n            break;\n          }\n          continue;\n        }\n      if (end === -1) {\n        // We saw the first non-path separator, mark this as the end of our\n        // extension\n        matchedSlash = false;\n        end = i + 1;\n      }\n      if (code === 46 /*.*/) {\n          // If this is our first dot, mark it as the start of our extension\n          if (startDot === -1) startDot = i;else if (preDotState !== 1) preDotState = 1;\n        } else if (startDot !== -1) {\n        // We saw a non-dot and non-path separator before our dot, so we should\n        // have a good chance at having a non-empty extension\n        preDotState = -1;\n      }\n    }\n\n    if (startDot === -1 || end === -1 ||\n    // We saw a non-dot character immediately before the dot\n    preDotState === 0 ||\n    // The (right-most) trimmed path component is exactly '..'\n    preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {\n      if (end !== -1) {\n        if (startPart === 0 && isAbsolute) ret.base = ret.name = path.slice(1, end);else ret.base = ret.name = path.slice(startPart, end);\n      }\n    } else {\n      if (startPart === 0 && isAbsolute) {\n        ret.name = path.slice(1, startDot);\n        ret.base = path.slice(1, end);\n      } else {\n        ret.name = path.slice(startPart, startDot);\n        ret.base = path.slice(startPart, end);\n      }\n      ret.ext = path.slice(startDot, end);\n    }\n\n    if (startPart > 0) ret.dir = path.slice(0, startPart - 1);else if (isAbsolute) ret.dir = '/';\n\n    return ret;\n  },\n\n  sep: '/',\n  delimiter: ':',\n  win32: null,\n  posix: null\n};\n\nposix.posix = posix;\n\nmodule.exports = posix;\n","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things.  But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals.  It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\n(function () {\n    try {\n        if (typeof setTimeout === 'function') {\n            cachedSetTimeout = setTimeout;\n        } else {\n            cachedSetTimeout = defaultSetTimout;\n        }\n    } catch (e) {\n        cachedSetTimeout = defaultSetTimout;\n    }\n    try {\n        if (typeof clearTimeout === 'function') {\n            cachedClearTimeout = clearTimeout;\n        } else {\n            cachedClearTimeout = defaultClearTimeout;\n        }\n    } catch (e) {\n        cachedClearTimeout = defaultClearTimeout;\n    }\n} ())\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n  , undef;\n\n/**\n * Decode a URI encoded string.\n *\n * @param {String} input The URI encoded string.\n * @returns {String|Null} The decoded string.\n * @api private\n */\nfunction decode(input) {\n  try {\n    return decodeURIComponent(input.replace(/\\+/g, ' '));\n  } catch (e) {\n    return null;\n  }\n}\n\n/**\n * Attempts to encode a given input.\n *\n * @param {String} input The string that needs to be encoded.\n * @returns {String|Null} The encoded string.\n * @api private\n */\nfunction encode(input) {\n  try {\n    return encodeURIComponent(input);\n  } catch (e) {\n    return null;\n  }\n}\n\n/**\n * Simple query string parser.\n *\n * @param {String} query The query string that needs to be parsed.\n * @returns {Object}\n * @api public\n */\nfunction querystring(query) {\n  var parser = /([^=?#&]+)=?([^&]*)/g\n    , result = {}\n    , part;\n\n  while (part = parser.exec(query)) {\n    var key = decode(part[1])\n      , value = decode(part[2]);\n\n    //\n    // Prevent overriding of existing properties. This ensures that build-in\n    // methods like `toString` or __proto__ are not overriden by malicious\n    // querystrings.\n    //\n    // In the case if failed decoding, we want to omit the key/value pairs\n    // from the result.\n    //\n    if (key === null || value === null || key in result) continue;\n    result[key] = value;\n  }\n\n  return result;\n}\n\n/**\n * Transform a query string to an object.\n *\n * @param {Object} obj Object that should be transformed.\n * @param {String} prefix Optional prefix.\n * @returns {String}\n * @api public\n */\nfunction querystringify(obj, prefix) {\n  prefix = prefix || '';\n\n  var pairs = []\n    , value\n    , key;\n\n  //\n  // Optionally prefix with a '?' if needed\n  //\n  if ('string' !== typeof prefix) prefix = '?';\n\n  for (key in obj) {\n    if (has.call(obj, key)) {\n      value = obj[key];\n\n      //\n      // Edge cases where we actually want to encode the value to an empty\n      // string instead of the stringified value.\n      //\n      if (!value && (value === null || value === undef || isNaN(value))) {\n        value = '';\n      }\n\n      key = encode(key);\n      value = encode(value);\n\n      //\n      // If we failed to encode the strings, we should bail out as we don't\n      // want to add invalid strings to the query.\n      //\n      if (key === null || value === null) continue;\n      pairs.push(key +'='+ value);\n    }\n  }\n\n  return pairs.length ? prefix + pairs.join('&') : '';\n}\n\n//\n// Expose the module.\n//\nexports.stringify = querystringify;\nexports.parse = querystring;\n","'use strict';\n\n/**\n * Check if we're required to add a port number.\n *\n * @see https://url.spec.whatwg.org/#default-port\n * @param {Number|String} port Port number we need to check\n * @param {String} protocol Protocol we need to check against.\n * @returns {Boolean} Is it a default port for the given protocol\n * @api private\n */\nmodule.exports = function required(port, protocol) {\n  protocol = protocol.split(':')[0];\n  port = +port;\n\n  if (!port) return false;\n\n  switch (protocol) {\n    case 'http':\n    case 'ws':\n    return port !== 80;\n\n    case 'https':\n    case 'wss':\n    return port !== 443;\n\n    case 'ftp':\n    return port !== 21;\n\n    case 'gopher':\n    return port !== 70;\n\n    case 'file':\n    return false;\n  }\n\n  return port !== 0;\n};\n","'use strict';\n\nvar required = require('requires-port')\n  , qs = require('querystringify')\n  , controlOrWhitespace = /^[\\x00-\\x20\\u00a0\\u1680\\u2000-\\u200a\\u2028\\u2029\\u202f\\u205f\\u3000\\ufeff]+/\n  , CRHTLF = /[\\n\\r\\t]/g\n  , slashes = /^[A-Za-z][A-Za-z0-9+-.]*:\\/\\//\n  , port = /:\\d+$/\n  , protocolre = /^([a-z][a-z0-9.+-]*:)?(\\/\\/)?([\\\\/]+)?([\\S\\s]*)/i\n  , windowsDriveLetter = /^[a-zA-Z]:/;\n\n/**\n * Remove control characters and whitespace from the beginning of a string.\n *\n * @param {Object|String} str String to trim.\n * @returns {String} A new string representing `str` stripped of control\n *     characters and whitespace from its beginning.\n * @public\n */\nfunction trimLeft(str) {\n  return (str ? str : '').toString().replace(controlOrWhitespace, '');\n}\n\n/**\n * These are the parse rules for the URL parser, it informs the parser\n * about:\n *\n * 0. The char it Needs to parse, if it's a string it should be done using\n *    indexOf, RegExp using exec and NaN means set as current value.\n * 1. The property we should set when parsing this value.\n * 2. Indication if it's backwards or forward parsing, when set as number it's\n *    the value of extra chars that should be split off.\n * 3. Inherit from location if non existing in the parser.\n * 4. `toLowerCase` the resulting value.\n */\nvar rules = [\n  ['#', 'hash'],                        // Extract from the back.\n  ['?', 'query'],                       // Extract from the back.\n  function sanitize(address, url) {     // Sanitize what is left of the address\n    return isSpecial(url.protocol) ? address.replace(/\\\\/g, '/') : address;\n  },\n  ['/', 'pathname'],                    // Extract from the back.\n  ['@', 'auth', 1],                     // Extract from the front.\n  [NaN, 'host', undefined, 1, 1],       // Set left over value.\n  [/:(\\d*)$/, 'port', undefined, 1],    // RegExp the back.\n  [NaN, 'hostname', undefined, 1, 1]    // Set left over.\n];\n\n/**\n * These properties should not be copied or inherited from. This is only needed\n * for all non blob URL's as a blob URL does not include a hash, only the\n * origin.\n *\n * @type {Object}\n * @private\n */\nvar ignore = { hash: 1, query: 1 };\n\n/**\n * The location object differs when your code is loaded through a normal page,\n * Worker or through a worker using a blob. And with the blobble begins the\n * trouble as the location object will contain the URL of the blob, not the\n * location of the page where our code is loaded in. The actual origin is\n * encoded in the `pathname` so we can thankfully generate a good \"default\"\n * location from it so we can generate proper relative URL's again.\n *\n * @param {Object|String} loc Optional default location object.\n * @returns {Object} lolcation object.\n * @public\n */\nfunction lolcation(loc) {\n  var globalVar;\n\n  if (typeof window !== 'undefined') globalVar = window;\n  else if (typeof global !== 'undefined') globalVar = global;\n  else if (typeof self !== 'undefined') globalVar = self;\n  else globalVar = {};\n\n  var location = globalVar.location || {};\n  loc = loc || location;\n\n  var finaldestination = {}\n    , type = typeof loc\n    , key;\n\n  if ('blob:' === loc.protocol) {\n    finaldestination = new Url(unescape(loc.pathname), {});\n  } else if ('string' === type) {\n    finaldestination = new Url(loc, {});\n    for (key in ignore) delete finaldestination[key];\n  } else if ('object' === type) {\n    for (key in loc) {\n      if (key in ignore) continue;\n      finaldestination[key] = loc[key];\n    }\n\n    if (finaldestination.slashes === undefined) {\n      finaldestination.slashes = slashes.test(loc.href);\n    }\n  }\n\n  return finaldestination;\n}\n\n/**\n * Check whether a protocol scheme is special.\n *\n * @param {String} The protocol scheme of the URL\n * @return {Boolean} `true` if the protocol scheme is special, else `false`\n * @private\n */\nfunction isSpecial(scheme) {\n  return (\n    scheme === 'file:' ||\n    scheme === 'ftp:' ||\n    scheme === 'http:' ||\n    scheme === 'https:' ||\n    scheme === 'ws:' ||\n    scheme === 'wss:'\n  );\n}\n\n/**\n * @typedef ProtocolExtract\n * @type Object\n * @property {String} protocol Protocol matched in the URL, in lowercase.\n * @property {Boolean} slashes `true` if protocol is followed by \"//\", else `false`.\n * @property {String} rest Rest of the URL that is not part of the protocol.\n */\n\n/**\n * Extract protocol information from a URL with/without double slash (\"//\").\n *\n * @param {String} address URL we want to extract from.\n * @param {Object} location\n * @return {ProtocolExtract} Extracted information.\n * @private\n */\nfunction extractProtocol(address, location) {\n  address = trimLeft(address);\n  address = address.replace(CRHTLF, '');\n  location = location || {};\n\n  var match = protocolre.exec(address);\n  var protocol = match[1] ? match[1].toLowerCase() : '';\n  var forwardSlashes = !!match[2];\n  var otherSlashes = !!match[3];\n  var slashesCount = 0;\n  var rest;\n\n  if (forwardSlashes) {\n    if (otherSlashes) {\n      rest = match[2] + match[3] + match[4];\n      slashesCount = match[2].length + match[3].length;\n    } else {\n      rest = match[2] + match[4];\n      slashesCount = match[2].length;\n    }\n  } else {\n    if (otherSlashes) {\n      rest = match[3] + match[4];\n      slashesCount = match[3].length;\n    } else {\n      rest = match[4]\n    }\n  }\n\n  if (protocol === 'file:') {\n    if (slashesCount >= 2) {\n      rest = rest.slice(2);\n    }\n  } else if (isSpecial(protocol)) {\n    rest = match[4];\n  } else if (protocol) {\n    if (forwardSlashes) {\n      rest = rest.slice(2);\n    }\n  } else if (slashesCount >= 2 && isSpecial(location.protocol)) {\n    rest = match[4];\n  }\n\n  return {\n    protocol: protocol,\n    slashes: forwardSlashes || isSpecial(protocol),\n    slashesCount: slashesCount,\n    rest: rest\n  };\n}\n\n/**\n * Resolve a relative URL pathname against a base URL pathname.\n *\n * @param {String} relative Pathname of the relative URL.\n * @param {String} base Pathname of the base URL.\n * @return {String} Resolved pathname.\n * @private\n */\nfunction resolve(relative, base) {\n  if (relative === '') return base;\n\n  var path = (base || '/').split('/').slice(0, -1).concat(relative.split('/'))\n    , i = path.length\n    , last = path[i - 1]\n    , unshift = false\n    , up = 0;\n\n  while (i--) {\n    if (path[i] === '.') {\n      path.splice(i, 1);\n    } else if (path[i] === '..') {\n      path.splice(i, 1);\n      up++;\n    } else if (up) {\n      if (i === 0) unshift = true;\n      path.splice(i, 1);\n      up--;\n    }\n  }\n\n  if (unshift) path.unshift('');\n  if (last === '.' || last === '..') path.push('');\n\n  return path.join('/');\n}\n\n/**\n * The actual URL instance. Instead of returning an object we've opted-in to\n * create an actual constructor as it's much more memory efficient and\n * faster and it pleases my OCD.\n *\n * It is worth noting that we should not use `URL` as class name to prevent\n * clashes with the global URL instance that got introduced in browsers.\n *\n * @constructor\n * @param {String} address URL we want to parse.\n * @param {Object|String} [location] Location defaults for relative paths.\n * @param {Boolean|Function} [parser] Parser for the query string.\n * @private\n */\nfunction Url(address, location, parser) {\n  address = trimLeft(address);\n  address = address.replace(CRHTLF, '');\n\n  if (!(this instanceof Url)) {\n    return new Url(address, location, parser);\n  }\n\n  var relative, extracted, parse, instruction, index, key\n    , instructions = rules.slice()\n    , type = typeof location\n    , url = this\n    , i = 0;\n\n  //\n  // The following if statements allows this module two have compatibility with\n  // 2 different API:\n  //\n  // 1. Node.js's `url.parse` api which accepts a URL, boolean as arguments\n  //    where the boolean indicates that the query string should also be parsed.\n  //\n  // 2. The `URL` interface of the browser which accepts a URL, object as\n  //    arguments. The supplied object will be used as default values / fall-back\n  //    for relative paths.\n  //\n  if ('object' !== type && 'string' !== type) {\n    parser = location;\n    location = null;\n  }\n\n  if (parser && 'function' !== typeof parser) parser = qs.parse;\n\n  location = lolcation(location);\n\n  //\n  // Extract protocol information before running the instructions.\n  //\n  extracted = extractProtocol(address || '', location);\n  relative = !extracted.protocol && !extracted.slashes;\n  url.slashes = extracted.slashes || relative && location.slashes;\n  url.protocol = extracted.protocol || location.protocol || '';\n  address = extracted.rest;\n\n  //\n  // When the authority component is absent the URL starts with a path\n  // component.\n  //\n  if (\n    extracted.protocol === 'file:' && (\n      extracted.slashesCount !== 2 || windowsDriveLetter.test(address)) ||\n    (!extracted.slashes &&\n      (extracted.protocol ||\n        extracted.slashesCount < 2 ||\n        !isSpecial(url.protocol)))\n  ) {\n    instructions[3] = [/(.*)/, 'pathname'];\n  }\n\n  for (; i < instructions.length; i++) {\n    instruction = instructions[i];\n\n    if (typeof instruction === 'function') {\n      address = instruction(address, url);\n      continue;\n    }\n\n    parse = instruction[0];\n    key = instruction[1];\n\n    if (parse !== parse) {\n      url[key] = address;\n    } else if ('string' === typeof parse) {\n      index = parse === '@'\n        ? address.lastIndexOf(parse)\n        : address.indexOf(parse);\n\n      if (~index) {\n        if ('number' === typeof instruction[2]) {\n          url[key] = address.slice(0, index);\n          address = address.slice(index + instruction[2]);\n        } else {\n          url[key] = address.slice(index);\n          address = address.slice(0, index);\n        }\n      }\n    } else if ((index = parse.exec(address))) {\n      url[key] = index[1];\n      address = address.slice(0, index.index);\n    }\n\n    url[key] = url[key] || (\n      relative && instruction[3] ? location[key] || '' : ''\n    );\n\n    //\n    // Hostname, host and protocol should be lowercased so they can be used to\n    // create a proper `origin`.\n    //\n    if (instruction[4]) url[key] = url[key].toLowerCase();\n  }\n\n  //\n  // Also parse the supplied query string in to an object. If we're supplied\n  // with a custom parser as function use that instead of the default build-in\n  // parser.\n  //\n  if (parser) url.query = parser(url.query);\n\n  //\n  // If the URL is relative, resolve the pathname against the base URL.\n  //\n  if (\n      relative\n    && location.slashes\n    && url.pathname.charAt(0) !== '/'\n    && (url.pathname !== '' || location.pathname !== '')\n  ) {\n    url.pathname = resolve(url.pathname, location.pathname);\n  }\n\n  //\n  // Default to a / for pathname if none exists. This normalizes the URL\n  // to always have a /\n  //\n  if (url.pathname.charAt(0) !== '/' && isSpecial(url.protocol)) {\n    url.pathname = '/' + url.pathname;\n  }\n\n  //\n  // We should not add port numbers if they are already the default port number\n  // for a given protocol. As the host also contains the port number we're going\n  // override it with the hostname which contains no port number.\n  //\n  if (!required(url.port, url.protocol)) {\n    url.host = url.hostname;\n    url.port = '';\n  }\n\n  //\n  // Parse down the `auth` for the username and password.\n  //\n  url.username = url.password = '';\n\n  if (url.auth) {\n    index = url.auth.indexOf(':');\n\n    if (~index) {\n      url.username = url.auth.slice(0, index);\n      url.username = encodeURIComponent(decodeURIComponent(url.username));\n\n      url.password = url.auth.slice(index + 1);\n      url.password = encodeURIComponent(decodeURIComponent(url.password))\n    } else {\n      url.username = encodeURIComponent(decodeURIComponent(url.auth));\n    }\n\n    url.auth = url.password ? url.username +':'+ url.password : url.username;\n  }\n\n  url.origin = url.protocol !== 'file:' && isSpecial(url.protocol) && url.host\n    ? url.protocol +'//'+ url.host\n    : 'null';\n\n  //\n  // The href is just the compiled result.\n  //\n  url.href = url.toString();\n}\n\n/**\n * This is convenience method for changing properties in the URL instance to\n * insure that they all propagate correctly.\n *\n * @param {String} part          Property we need to adjust.\n * @param {Mixed} value          The newly assigned value.\n * @param {Boolean|Function} fn  When setting the query, it will be the function\n *                               used to parse the query.\n *                               When setting the protocol, double slash will be\n *                               removed from the final url if it is true.\n * @returns {URL} URL instance for chaining.\n * @public\n */\nfunction set(part, value, fn) {\n  var url = this;\n\n  switch (part) {\n    case 'query':\n      if ('string' === typeof value && value.length) {\n        value = (fn || qs.parse)(value);\n      }\n\n      url[part] = value;\n      break;\n\n    case 'port':\n      url[part] = value;\n\n      if (!required(value, url.protocol)) {\n        url.host = url.hostname;\n        url[part] = '';\n      } else if (value) {\n        url.host = url.hostname +':'+ value;\n      }\n\n      break;\n\n    case 'hostname':\n      url[part] = value;\n\n      if (url.port) value += ':'+ url.port;\n      url.host = value;\n      break;\n\n    case 'host':\n      url[part] = value;\n\n      if (port.test(value)) {\n        value = value.split(':');\n        url.port = value.pop();\n        url.hostname = value.join(':');\n      } else {\n        url.hostname = value;\n        url.port = '';\n      }\n\n      break;\n\n    case 'protocol':\n      url.protocol = value.toLowerCase();\n      url.slashes = !fn;\n      break;\n\n    case 'pathname':\n    case 'hash':\n      if (value) {\n        var char = part === 'pathname' ? '/' : '#';\n        url[part] = value.charAt(0) !== char ? char + value : value;\n      } else {\n        url[part] = value;\n      }\n      break;\n\n    case 'username':\n    case 'password':\n      url[part] = encodeURIComponent(value);\n      break;\n\n    case 'auth':\n      var index = value.indexOf(':');\n\n      if (~index) {\n        url.username = value.slice(0, index);\n        url.username = encodeURIComponent(decodeURIComponent(url.username));\n\n        url.password = value.slice(index + 1);\n        url.password = encodeURIComponent(decodeURIComponent(url.password));\n      } else {\n        url.username = encodeURIComponent(decodeURIComponent(value));\n      }\n  }\n\n  for (var i = 0; i < rules.length; i++) {\n    var ins = rules[i];\n\n    if (ins[4]) url[ins[1]] = url[ins[1]].toLowerCase();\n  }\n\n  url.auth = url.password ? url.username +':'+ url.password : url.username;\n\n  url.origin = url.protocol !== 'file:' && isSpecial(url.protocol) && url.host\n    ? url.protocol +'//'+ url.host\n    : 'null';\n\n  url.href = url.toString();\n\n  return url;\n}\n\n/**\n * Transform the properties back in to a valid and full URL string.\n *\n * @param {Function} stringify Optional query stringify function.\n * @returns {String} Compiled version of the URL.\n * @public\n */\nfunction toString(stringify) {\n  if (!stringify || 'function' !== typeof stringify) stringify = qs.stringify;\n\n  var query\n    , url = this\n    , host = url.host\n    , protocol = url.protocol;\n\n  if (protocol && protocol.charAt(protocol.length - 1) !== ':') protocol += ':';\n\n  var result =\n    protocol +\n    ((url.protocol && url.slashes) || isSpecial(url.protocol) ? '//' : '');\n\n  if (url.username) {\n    result += url.username;\n    if (url.password) result += ':'+ url.password;\n    result += '@';\n  } else if (url.password) {\n    result += ':'+ url.password;\n    result += '@';\n  } else if (\n    url.protocol !== 'file:' &&\n    isSpecial(url.protocol) &&\n    !host &&\n    url.pathname !== '/'\n  ) {\n    //\n    // Add back the empty userinfo, otherwise the original invalid URL\n    // might be transformed into a valid one with `url.pathname` as host.\n    //\n    result += '@';\n  }\n\n  //\n  // Trailing colon is removed from `url.host` when it is parsed. If it still\n  // ends with a colon, then add back the trailing colon that was removed. This\n  // prevents an invalid URL from being transformed into a valid one.\n  //\n  if (host[host.length - 1] === ':' || (port.test(url.hostname) && !url.port)) {\n    host += ':';\n  }\n\n  result += host + url.pathname;\n\n  query = 'object' === typeof url.query ? stringify(url.query) : url.query;\n  if (query) result += '?' !== query.charAt(0) ? '?'+ query : query;\n\n  if (url.hash) result += url.hash;\n\n  return result;\n}\n\nUrl.prototype = { set: set, toString: toString };\n\n//\n// Expose the URL parser and some additional properties that might be useful for\n// others or testing.\n//\nUrl.extractProtocol = extractProtocol;\nUrl.location = lolcation;\nUrl.trimLeft = trimLeft;\nUrl.qs = qs;\n\nmodule.exports = Url;\n"],"names":[],"sourceRoot":""}