text: // 'path' module extracted from Node.js v8.11.1 (only the posix part)
  // transplited with Babel
  
  // Copyright Joyent, Inc. and other Node contributors.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a
  // copy of this software and associated documentation files (the
  // "Software"), to deal in the Software without restriction, including
  // without limitation the rights to use, copy, modify, merge, publish,
  // distribute, sublicense, and/or sell copies of the Software, and to permit
  // persons to whom the Software is furnished to do so, subject to the
  // following conditions:
  //
  // The above copyright notice and this permission notice shall be included
  // in all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
  // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  // USE OR OTHER DEALINGS IN THE SOFTWARE.
  'use strict';
  
  function assertPath(path) {
      if (typeof path !== 'string') {
          throw new TypeError('Path must be a string. Received ' + JSON.stringify(path));
      }
  }
  
  // Resolves . and .. elements in a path with directory names
  function normalizeStringPosix(path, allowAboveRoot) {
      var res = '';
      var lastSegmentLength = 0;
      var lastSlash = -1;
      var dots = 0;
      var code;
      for (var i = 0; i <= path.length; ++i) {
          if (i < path.length)
              code = path.charCodeAt(i);
          else if (code === 47 /*/*/ )
              break;
          else
              code = 47 /*/*/ ;
          if (code === 47 /*/*/ ) {
              if (lastSlash === i - 1 || dots === 1) {
                  // NOOP
              } else if (lastSlash !== i - 1 && dots === 2) {
                  if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== 46 /*.*/ || res.charCodeAt(res.length - 2) !== 46 /*.*/ ) {
                      if (res.length > 2) {
                          var lastSlashIndex = res.lastIndexOf('/');
                          if (lastSlashIndex !== res.length - 1) {
                              if (lastSlashIndex === -1) {
                                  res = '';
                                  lastSegmentLength = 0;
                              } else {
                                  res = res.slice(0, lastSlashIndex);
                                  lastSegmentLength = res.length - 1 - res.lastIndexOf('/');
                              }
                              lastSlash = i;
                              dots = 0;
                              continue;
                          }
                      } else if (res.length === 2 || res.length === 1) {
                          res = '';
                          lastSegmentLength = 0;
                          lastSlash = i;
                          dots = 0;
                          continue;
                      }
                  }
                  if (allowAboveRoot) {
                      if (res.length > 0)
                          res += '/..';
                      else
                          res = '..';
                      lastSegmentLength = 2;
                  }
              } else {
                  if (res.length > 0)
                      res += '/' + path.slice(lastSlash + 1, i);
                  else
                      res = path.slice(lastSlash + 1, i);
                  lastSegmentLength = i - lastSlash - 1;
              }
              lastSlash = i;
              dots = 0;
          } else if (code === 46 /*.*/ && dots !== -1) {
              ++dots;
          } else {
              dots = -1;
          }
      }
      return res;
  }
  
  function _format(sep, pathObject) {
      var dir = pathObject.dir || pathObject.root;
      var base = pathObject.base || (pathObject.name || '') + (pathObject.ext || '');
      if (!dir) {
          return base;
      }
      if (dir === pathObject.root) {
          return dir + base;
      }
      return dir + sep + base;
  }
  
  var posix = {
      // path.resolve([from ...], to)
      resolve: function resolve() {
          var resolvedPath = '';
          var resolvedAbsolute = false;
          var cwd;
  
          for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
              var path;
              if (i >= 0)
                  path = arguments[i];
              else {
                  if (cwd === undefined)
                      cwd = process.cwd();
                  path = cwd;
              }
  
              assertPath(path);
  
              // Skip empty entries
              if (path.length === 0) {
                  continue;
              }
  
              resolvedPath = path + '/' + resolvedPath;
              resolvedAbsolute = path.charCodeAt(0) === 47 /*/*/ ;
          }
  
          // At this point the path should be resolved to a full absolute path, but
          // handle relative paths to be safe (might happen when process.cwd() fails)
  
          // Normalize the path
          resolvedPath = normalizeStringPosix(resolvedPath, !resolvedAbsolute);
  
          if (resolvedAbsolute) {
              if (resolvedPath.length > 0)
                  return '/' + resolvedPath;
              else
                  return '/';
          } else if (resolvedPath.length > 0) {
              return resolvedPath;
          } else {
              return '.';
          }
      },
  
      normalize: function normalize(path) {
          assertPath(path);
  
          if (path.length === 0) return '.';
  
          var isAbsolute = path.charCodeAt(0) === 47 /*/*/ ;
          var trailingSeparator = path.charCodeAt(path.length - 1) === 47 /*/*/ ;
  
          // Normalize the path
          path = normalizeStringPosix(path, !isAbsolute);
  
          if (path.length === 0 && !isAbsolute) path = '.';
          if (path.length > 0 && trailingSeparator) path += '/';
  
          if (isAbsolute) return '/' + path;
          return path;
      },
  
      isAbsolute: function isAbsolute(path) {
          assertPath(path);
          return path.length > 0 && path.charCodeAt(0) === 47 /*/*/ ;
      },
  
      join: function join() {
          if (arguments.length === 0)
              return '.';
          var joined;
          for (var i = 0; i < arguments.length; ++i) {
              var arg = arguments[i];
              assertPath(arg);
              if (arg.length > 0) {
                  if (joined === undefined)
                      joined = arg;
                  else
                      joined += '/' + arg;
              }
          }
          if (joined === undefined)
              return '.';
          return posix.normalize(joined);
      },
  
      relative: function relative(from, to) {
          assertPath(from);
          assertPath(to);
  
          if (from === to) return '';
  
          from = posix.resolve(from);
          to = posix.resolve(to);
  
          if (from === to) return '';
  
          // Trim any leading backslashes
          var fromStart = 1;
          for (; fromStart < from.length; ++fromStart) {
              if (from.charCodeAt(fromStart) !== 47 /*/*/ )
                  break;
          }
          var fromEnd = from.length;
          var fromLen = fromEnd - fromStart;
  
          // Trim any leading backslashes
          var toStart = 1;
          for (; toStart < to.length; ++toStart) {
              if (to.charCodeAt(toStart) !== 47 /*/*/ )
                  break;
          }
          var toEnd = to.length;
          var toLen = toEnd - toStart;
  
          // Compare paths to find the longest common path from root
          var length = fromLen < toLen ? fromLen : toLen;
          var lastCommonSep = -1;
          var i = 0;
          for (; i <= length; ++i) {
              if (i === length) {
                  if (toLen > length) {
                      if (to.charCodeAt(toStart + i) === 47 /*/*/ ) {
                          // We get here if `from` is the exact base path for `to`.
                          // For example: from='/foo/bar'; to='/foo/bar/baz'
                          return to.slice(toStart + i + 1);
                      } else if (i === 0) {
                          // We get here if `from` is the root
                          // For example: from='/'; to='/foo'
                          return to.slice(toStart + i);
                      }
                  } else if (fromLen > length) {
                      if (from.charCodeAt(fromStart + i) === 47 /*/*/ ) {
                          // We get here if `to` is the exact base path for `from`.
                          // For example: from='/foo/bar/baz'; to='/foo/bar'
                          lastCommonSep = i;
                      } else if (i === 0) {
                          // We get here if `to` is the root.
                          // For example: from='/foo'; to='/'
                          lastCommonSep = 0;
                      }
                  }
                  break;
              }
              var fromCode = from.charCodeAt(fromStart + i);
              var toCode = to.charCodeAt(toStart + i);
              if (fromCode !== toCode)
                  break;
              else if (fromCode === 47 /*/*/ )
                  lastCommonSep = i;
          }
  
          var out = '';
          // Generate the relative path based on the path difference between `to`
          // and `from`
          for (i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i) {
              if (i === fromEnd || from.charCodeAt(i) === 47 /*/*/ ) {
                  if (out.length === 0)
                      out += '..';
                  else
                      out += '/..';
              }
          }
  
          // Lastly, append the rest of the destination (`to`) path that comes after
          // the common path parts
          if (out.length > 0)
              return out + to.slice(toStart + lastCommonSep);
          else {
              toStart += lastCommonSep;
              if (to.charCodeAt(toStart) === 47 /*/*/ )
                  ++toStart;
              return to.slice(toStart);
          }
      },
  
      _makeLong: function _makeLong(path) {
          return path;
      },
  
      dirname: function dirname(path) {
          assertPath(path);
          if (path.length === 0) return '.';
          var code = path.charCodeAt(0);
          var hasRoot = code === 47 /*/*/ ;
          var end = -1;
          var matchedSlash = true;
          for (var i = path.length - 1; i >= 1; --i) {
              code = path.charCodeAt(i);
              if (code === 47 /*/*/ ) {
                  if (!matchedSlash) {
                      end = i;
                      break;
                  }
              } else {
                  // We saw the first non-path separator
                  matchedSlash = false;
              }
          }
  
          if (end === -1) return hasRoot ? '/' : '.';
          if (hasRoot && end === 1) return '//';
          return path.slice(0, end);
      },
  
      basename: function basename(path, ext) {
          if (ext !== undefined && typeof ext !== 'string') throw new TypeError('"ext" argument must be a string');
          assertPath(path);
  
          var start = 0;
          var end = -1;
          var matchedSlash = true;
          var i;
  
          if (ext !== undefined && ext.length > 0 && ext.length <= path.length) {
              if (ext.length === path.length && ext === path) return '';
              var extIdx = ext.length - 1;
              var firstNonSlashEnd = -1;
              for (i = path.length - 1; i >= 0; --i) {
                  var code = path.charCodeAt(i);
                  if (code === 47 /*/*/ ) {
                      // If we reached a path separator that was not part of a set of path
                      // separators at the end of the string, stop now
                      if (!matchedSlash) {
                          start = i + 1;
                          break;
                      }
                  } else {
                      if (firstNonSlashEnd === -1) {
                          // We saw the first non-path separator, remember this index in case
                          // we need it if the extension ends up not matching
                          matchedSlash = false;
                          firstNonSlashEnd = i + 1;
                      }
                      if (extIdx >= 0) {
                          // Try to match the explicit extension
                          if (code === ext.charCodeAt(extIdx)) {
                              if (--extIdx === -1) {
                                  // We matched the extension, so mark this as the end of our path
                                  // component
                                  end = i;
                              }
                          } else {
                              // Extension does not match, so our result is the entire path
                              // component
                              extIdx = -1;
                              end = firstNonSlashEnd;
                          }
                      }
                  }
              }
  
              if (start === end) end = firstNonSlashEnd;
              else if (end === -1) end = path.length;
              return path.slice(start, end);
          } else {
              for (i = path.length - 1; i >= 0; --i) {
                  if (path.charCodeAt(i) === 47 /*/*/ ) {
                      // If we reached a path separator that was not part of a set of path
                      // separators at the end of the string, stop now
                      if (!matchedSlash) {
                          start = i + 1;
                          break;
                      }
                  } else if (end === -1) {
                      // We saw the first non-path separator, mark this as the end of our
                      // path component
                      matchedSlash = false;
                      end = i + 1;
                  }
              }
  
              if (end === -1) return '';
              return path.slice(start, end);
          }
      },
  
      extname: function extname(path) {
          assertPath(path);
          var startDot = -1;
          var startPart = 0;
          var end = -1;
          var matchedSlash = true;
          // Track the state of characters (if any) we see before our first dot and
          // after any path separator we find
          var preDotState = 0;
          for (var i = path.length - 1; i >= 0; --i) {
              var code = path.charCodeAt(i);
              if (code === 47 /*/*/ ) {
                  // If we reached a path separator that was not part of a set of path
                  // separators at the end of the string, stop now
                  if (!matchedSlash) {
                      startPart = i + 1;
                      break;
                  }
                  continue;
              }
              if (end === -1) {
                  // We saw the first non-path separator, mark this as the end of our
                  // extension
                  matchedSlash = false;
                  end = i + 1;
              }
              if (code === 46 /*.*/ ) {
                  // If this is our first dot, mark it as the start of our extension
                  if (startDot === -1)
                      startDot = i;
                  else if (preDotState !== 1)
                      preDotState = 1;
              } else if (startDot !== -1) {
                  // We saw a non-dot and non-path separator before our dot, so we should
                  // have a good chance at having a non-empty extension
                  preDotState = -1;
              }
          }
  
          if (startDot === -1 || end === -1 ||
              // We saw a non-dot character immediately before the dot
              preDotState === 0 ||
              // The (right-most) trimmed path component is exactly '..'
              preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
              return '';
          }
          return path.slice(startDot, end);
      },
  
      format: function format(pathObject) {
          if (pathObject === null || typeof pathObject !== 'object') {
              throw new TypeError('The "pathObject" argument must be of type Object. Received type ' + typeof pathObject);
          }
          return _format('/', pathObject);
      },
  
      parse: function parse(path) {
          assertPath(path);
  
          var ret = {
              root: '',
              dir: '',
              base: '',
              ext: '',
              name: ''
          };
          if (path.length === 0) return ret;
          var code = path.charCodeAt(0);
          var isAbsolute = code === 47 /*/*/ ;
          var start;
          if (isAbsolute) {
              ret.root = '/';
              start = 1;
          } else {
              start = 0;
          }
          var startDot = -1;
          var startPart = 0;
          var end = -1;
          var matchedSlash = true;
          var i = path.length - 1;
  
          // Track the state of characters (if any) we see before our first dot and
          // after any path separator we find
          var preDotState = 0;
  
          // Get non-dir info
          for (; i >= start; --i) {
              code = path.charCodeAt(i);
              if (code === 47 /*/*/ ) {
                  // If we reached a path separator that was not part of a set of path
                  // separators at the end of the string, stop now
                  if (!matchedSlash) {
                      startPart = i + 1;
                      break;
                  }
                  continue;
              }
              if (end === -1) {
                  // We saw the first non-path separator, mark this as the end of our
                  // extension
                  matchedSlash = false;
                  end = i + 1;
              }
              if (code === 46 /*.*/ ) {
                  // If this is our first dot, mark it as the start of our extension
                  if (startDot === -1) startDot = i;
                  else if (preDotState !== 1) preDotState = 1;
              } else if (startDot !== -1) {
                  // We saw a non-dot and non-path separator before our dot, so we should
                  // have a good chance at having a non-empty extension
                  preDotState = -1;
              }
          }
  
          if (startDot === -1 || end === -1 ||
              // We saw a non-dot character immediately before the dot
              preDotState === 0 ||
              // The (right-most) trimmed path component is exactly '..'
              preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
              if (end !== -1) {
                  if (startPart === 0 && isAbsolute) ret.base = ret.name = path.slice(1, end);
                  else ret.base = ret.name = path.slice(startPart, end);
              }
          } else {
              if (startPart === 0 && isAbsolute) {
                  ret.name = path.slice(1, startDot);
                  ret.base = path.slice(1, end);
              } else {
                  ret.name = path.slice(startPart, startDot);
                  ret.base = path.slice(startPart, end);
              }
              ret.ext = path.slice(startDot, end);
          }
  
          if (startPart > 0) ret.dir = path.slice(0, startPart - 1);
          else if (isAbsolute) ret.dir = '/';
  
          return ret;
      },
  
      sep: '/',
      delimiter: ':',
      win32: null,
      posix: null
  };
  
  posix.posix = posix;
  
  module.exports = posix;