Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 1 | 'use strict'; |
| 2 | |
| 3 | var isWindows = process.platform === 'win32'; |
| 4 | |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 5 | // Regex to split a windows path into into [dir, root, basename, name, ext] |
| 6 | var splitWindowsRe = |
| 7 | /^(((?:[a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?[\\\/]?)(?:[^\\\/]*[\\\/])*)((\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))[\\\/]*$/; |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 8 | |
| 9 | var win32 = {}; |
| 10 | |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 11 | function win32SplitPath(filename) { |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 12 | return splitWindowsRe.exec(filename).slice(1); |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 13 | } |
| 14 | |
| 15 | win32.parse = function(pathString) { |
| 16 | if (typeof pathString !== 'string') { |
| 17 | throw new TypeError( |
| 18 | "Parameter 'pathString' must be a string, not " + typeof pathString |
| 19 | ); |
| 20 | } |
| 21 | var allParts = win32SplitPath(pathString); |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 22 | if (!allParts || allParts.length !== 5) { |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 23 | throw new TypeError("Invalid path '" + pathString + "'"); |
| 24 | } |
| 25 | return { |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 26 | root: allParts[1], |
| 27 | dir: allParts[0] === allParts[1] ? allParts[0] : allParts[0].slice(0, -1), |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 28 | base: allParts[2], |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 29 | ext: allParts[4], |
| 30 | name: allParts[3] |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 31 | }; |
| 32 | }; |
| 33 | |
| 34 | |
| 35 | |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 36 | // Split a filename into [dir, root, basename, name, ext], unix version |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 37 | // 'root' is just a slash, or nothing. |
| 38 | var splitPathRe = |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 39 | /^((\/?)(?:[^\/]*\/)*)((\.{1,2}|[^\/]+?|)(\.[^.\/]*|))[\/]*$/; |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 40 | var posix = {}; |
| 41 | |
| 42 | |
| 43 | function posixSplitPath(filename) { |
| 44 | return splitPathRe.exec(filename).slice(1); |
| 45 | } |
| 46 | |
| 47 | |
| 48 | posix.parse = function(pathString) { |
| 49 | if (typeof pathString !== 'string') { |
| 50 | throw new TypeError( |
| 51 | "Parameter 'pathString' must be a string, not " + typeof pathString |
| 52 | ); |
| 53 | } |
| 54 | var allParts = posixSplitPath(pathString); |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 55 | if (!allParts || allParts.length !== 5) { |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 56 | throw new TypeError("Invalid path '" + pathString + "'"); |
| 57 | } |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 58 | |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 59 | return { |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 60 | root: allParts[1], |
| 61 | dir: allParts[0].slice(0, -1), |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 62 | base: allParts[2], |
Brandon Walderman | 110d592 | 2022-04-19 10:35:07 -0700 | [diff] [blame] | 63 | ext: allParts[4], |
| 64 | name: allParts[3], |
Yang Guo | 4fd355c | 2019-09-19 10:59:03 +0200 | [diff] [blame] | 65 | }; |
| 66 | }; |
| 67 | |
| 68 | |
| 69 | if (isWindows) |
| 70 | module.exports = win32.parse; |
| 71 | else /* posix */ |
| 72 | module.exports = posix.parse; |
| 73 | |
| 74 | module.exports.posix = posix.parse; |
| 75 | module.exports.win32 = win32.parse; |