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- 'use strict';
-
- var isWindows = process.platform === 'win32';
-
- // Regex to split a windows path into three parts: [*, device, slash,
- // tail] windows-only
- var splitDeviceRe =
- /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
-
- // Regex to split the tail part of the above into [*, dir, basename, ext]
- var splitTailRe =
- /^([\s\S]*?)((?:\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))(?:[\\\/]*)$/;
-
- var win32 = {};
-
- // Function to split a filename into [root, dir, basename, ext]
- function win32SplitPath(filename) {
- // Separate device+slash from tail
- var result = splitDeviceRe.exec(filename),
- device = (result[1] || '') + (result[2] || ''),
- tail = result[3] || '';
- // Split the tail into dir, basename and extension
- var result2 = splitTailRe.exec(tail),
- dir = result2[1],
- basename = result2[2],
- ext = result2[3];
- return [device, dir, basename, ext];
- }
-
- win32.parse = function(pathString) {
- if (typeof pathString !== 'string') {
- throw new TypeError(
- "Parameter 'pathString' must be a string, not " + typeof pathString
- );
- }
- var allParts = win32SplitPath(pathString);
- if (!allParts || allParts.length !== 4) {
- throw new TypeError("Invalid path '" + pathString + "'");
- }
- return {
- root: allParts[0],
- dir: allParts[0] + allParts[1].slice(0, -1),
- base: allParts[2],
- ext: allParts[3],
- name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
- };
- };
-
-
-
- // Split a filename into [root, dir, basename, ext], unix version
- // 'root' is just a slash, or nothing.
- var splitPathRe =
- /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
- var posix = {};
-
-
- function posixSplitPath(filename) {
- return splitPathRe.exec(filename).slice(1);
- }
-
-
- posix.parse = function(pathString) {
- if (typeof pathString !== 'string') {
- throw new TypeError(
- "Parameter 'pathString' must be a string, not " + typeof pathString
- );
- }
- var allParts = posixSplitPath(pathString);
- if (!allParts || allParts.length !== 4) {
- throw new TypeError("Invalid path '" + pathString + "'");
- }
- allParts[1] = allParts[1] || '';
- allParts[2] = allParts[2] || '';
- allParts[3] = allParts[3] || '';
-
- return {
- root: allParts[0],
- dir: allParts[0] + allParts[1].slice(0, -1),
- base: allParts[2],
- ext: allParts[3],
- name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
- };
- };
-
-
- if (isWindows)
- module.exports = win32.parse;
- else /* posix */
- module.exports = posix.parse;
-
- module.exports.posix = posix.parse;
- module.exports.win32 = win32.parse;
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