76 lines
1.8 KiB
JavaScript
76 lines
1.8 KiB
JavaScript
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'use strict';
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var isWindows = process.platform === 'win32';
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// Regex to split a windows path into into [dir, root, basename, name, ext]
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var splitWindowsRe =
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/^(((?:[a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?[\\\/]?)(?:[^\\\/]*[\\\/])*)((\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))[\\\/]*$/;
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var win32 = {};
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function win32SplitPath(filename) {
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return splitWindowsRe.exec(filename).slice(1);
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}
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win32.parse = function(pathString) {
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if (typeof pathString !== 'string') {
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throw new TypeError(
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"Parameter 'pathString' must be a string, not " + typeof pathString
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);
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}
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var allParts = win32SplitPath(pathString);
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if (!allParts || allParts.length !== 5) {
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throw new TypeError("Invalid path '" + pathString + "'");
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}
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return {
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root: allParts[1],
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dir: allParts[0] === allParts[1] ? allParts[0] : allParts[0].slice(0, -1),
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base: allParts[2],
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ext: allParts[4],
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name: allParts[3]
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};
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};
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// Split a filename into [dir, root, basename, name, ext], unix version
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// 'root' is just a slash, or nothing.
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var splitPathRe =
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/^((\/?)(?:[^\/]*\/)*)((\.{1,2}|[^\/]+?|)(\.[^.\/]*|))[\/]*$/;
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var posix = {};
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function posixSplitPath(filename) {
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return splitPathRe.exec(filename).slice(1);
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}
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posix.parse = function(pathString) {
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if (typeof pathString !== 'string') {
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throw new TypeError(
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"Parameter 'pathString' must be a string, not " + typeof pathString
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);
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}
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var allParts = posixSplitPath(pathString);
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if (!allParts || allParts.length !== 5) {
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throw new TypeError("Invalid path '" + pathString + "'");
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}
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return {
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root: allParts[1],
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dir: allParts[0].slice(0, -1),
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base: allParts[2],
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ext: allParts[4],
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name: allParts[3],
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};
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};
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if (isWindows)
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module.exports = win32.parse;
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else /* posix */
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module.exports = posix.parse;
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module.exports.posix = posix.parse;
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module.exports.win32 = win32.parse;
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