Acme.BookStore.HttpApi.Host/node_modules/path-dirname/index.js

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'use strict';

var path = require('path');
var inspect = require('util').inspect;

function assertPath(path) {
  if (typeof path !== 'string') {
    throw new TypeError('Path must be a string. Received ' + inspect(path));
  }
}

function posix(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);
}

function win32(path) {
  assertPath(path);
  var len = path.length;
  if (len === 0)
    return '.';
  var rootEnd = -1;
  var end = -1;
  var matchedSlash = true;
  var offset = 0;
  var code = path.charCodeAt(0);

  // Try to match a root
  if (len > 1) {
    if (code === 47/*/*/ || code === 92/*\*/) {
      // Possible UNC root

      rootEnd = offset = 1;

      code = path.charCodeAt(1);
      if (code === 47/*/*/ || code === 92/*\*/) {
        // Matched double path separator at beginning