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@ -2,9 +2,10 @@ |
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var isWindows = process.platform === 'win32'; |
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// resolves . and .. elements in a path array with directory names
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// there must be no slashes, empty elements, or device names (c:\) in the array
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// (so also no leading and trailing slashes - it does not distinguish relative and absolute paths)
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// resolves . and .. elements in a path array with directory names there
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// must be no slashes, empty elements, or device names (c:\) in the array
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// (so also no leading and trailing slashes - it does not distinguish
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// relative and absolute paths)
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function normalizeArray(parts, allowAboveRoot) { |
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// if the path tries to go above the root, `up` ends up > 0
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var up = 0; |
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@ -38,18 +39,20 @@ if (isWindows) { |
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// windows version
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var splitPathRe = /^(.+(?:[\\\/](?!$)|:)|[\\\/])?((?:.+?)?(\.[^.]*)?)$/; |
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// Regex to split a windows path into three parts: [*, device, slash, tail]
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// windows-only
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var splitDeviceRe = /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/][^\\\/]+)?([\\\/])?(.*?)$/; |
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// Regex to split a windows path into three parts: [*, device, slash,
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// tail] windows-only
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var splitDeviceRe = |
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/^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/][^\\\/]+)?([\\\/])?(.*?)$/; |
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// path.resolve([from ...], to)
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// windows version
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exports.resolve = function() { |
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// Prepend cwd to provided paths
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var paths = [process.cwd()].concat(Array.prototype.slice.call(arguments, 0)); |
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var paths = [process.cwd()].concat( |
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Array.prototype.slice.call(arguments, 0)); |
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var resolvedDevice = "", |
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resolvedTail = "", |
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var resolvedDevice = '', |
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resolvedTail = '', |
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resolvedAbsolute = false; |
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for (var i = paths.length; i >= 0; i--) { |
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@ -66,7 +69,9 @@ if (isWindows) { |
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isAbsolute = !!result[2] || isUnc, // UNC paths are always absolute
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tail = result[3]; |
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if (device && resolvedDevice && device.toLowerCase() !== resolvedDevice.toLowerCase()) { |
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if (device && |
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resolvedDevice && |
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device.toLowerCase() !== resolvedDevice.toLowerCase()) { |
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// This path points to another device so it is not applicable
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continue; |
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} |
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@ -92,7 +97,7 @@ if (isWindows) { |
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// Windows stores the current directories for 'other' drives
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// as hidden environment variables like =C:=c:\windows (literally)
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// var deviceCwd = os.getCwdForDrive(resolvedDevice);
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var deviceCwd = ""; |
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var deviceCwd = ''; |
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// If there is no cwd set for the drive, it is at root
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resolvedTail = deviceCwd + '\\' + resolvedTail; |
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@ -102,17 +107,23 @@ if (isWindows) { |
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// Replace slashes (in UNC share name) by backslashes
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resolvedDevice = resolvedDevice.replace(/\//g, '\\'); |
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// At this point the path should be resolved to a full absolute path, but
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// handle relative paths to be safe (might happen when process.cwd() fails)
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// At this point the path should be resolved to a full absolute path,
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// but handle relative paths to be safe (might happen when process.cwd()
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// fails)
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// Normalize the tail path
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resolvedTail = normalizeArray(resolvedTail.split(/[\\\/]+/).filter(function(p) { |
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return !!p; |
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}), !resolvedAbsolute).join('\\'); |
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return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) || '.'; |
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function f(p) { |
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return !!p; |
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} |
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resolvedTail = normalizeArray(resolvedTail.split(/[\\\/]+/).filter(f), |
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!resolvedAbsolute).join('\\'); |
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return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) || |
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'.'; |
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}; |
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// windows version
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exports.normalize = function(path) { |
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var result = splitDeviceRe.exec(path), |
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@ -128,21 +139,23 @@ if (isWindows) { |
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}), !isAbsolute).join('\\'); |
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if (!tail && !isAbsolute) { |
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tail = '.' |
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tail = '.'; |
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} |
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if (tail && trailingSlash) { |
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tail += '\\' |
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tail += '\\'; |
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} |
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return device + (isAbsolute ? '\\' : '') + tail; |
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} |
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}; |
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// windows version
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exports.join = function() { |
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var paths = Array.prototype.slice.call(arguments, 0).filter(function(p) { |
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function f(p) { |
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return p && typeof p === 'string'; |
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}), |
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joined = paths.join('\\'); |
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} |
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var paths = Array.prototype.slice.call(arguments, 0).filter(f); |
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var joined = paths.join('\\'); |
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// Make sure that the joined path doesn't start with two slashes
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// - it will be mistaken for an unc path by normalize() -
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@ -152,7 +165,7 @@ if (isWindows) { |
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} |
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return exports.normalize(joined); |
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} |
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}; |
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} else /* posix */ { |
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@ -165,9 +178,10 @@ if (isWindows) { |
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// posix version
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exports.resolve = function() { |
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// Prepend cwd to provided paths
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var paths = [process.cwd()].concat(Array.prototype.slice.call(arguments, 0)); |
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var paths = [process.cwd()].concat( |
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Array.prototype.slice.call(arguments, 0)); |
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var resolvedPath = "", |
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var resolvedPath = '', |
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resolvedAbsolute = false; |
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for (var i = paths.length; i >= 0 && !resolvedAbsolute; i--) { |
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@ -189,7 +203,7 @@ if (isWindows) { |
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}), !resolvedAbsolute).join('/'); |
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return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; |
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} |
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}; |
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// path.normalize(path)
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// posix version
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@ -203,23 +217,23 @@ if (isWindows) { |
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}), !isAbsolute).join('/'); |
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if (!path && !isAbsolute) { |
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path = '.' |
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path = '.'; |
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} |
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if (path && trailingSlash) { |
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path += '/'; |
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} |
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return (isAbsolute ? '/' : '') + path; |
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} |
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}; |
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// posix version
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exports.join = function() { |
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var paths = Array.prototype.slice.call(arguments, 0); |
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return exports.normalize(paths.filter(function(p, index) { |
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return p && typeof p === 'string' |
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return p && typeof p === 'string'; |
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}).join('/')); |
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} |
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}; |
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} |
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@ -227,7 +241,7 @@ exports.dirname = function(path) { |
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var dir = splitPathRe.exec(path)[1] || ''; |
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if (!dir) { |
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// No dirname
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return '.' |
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return '.'; |
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} else if (dir.length === 1 || |
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(isWindows && dir.length <= 3 && dir.charAt(1) === ':')) { |
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// It is just a slash or a drive letter with a slash
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Ryan Dahl
14 years ago