big-moving.ru/api/soft/monako/esm/vs/base/common/path.js

1583 lines
59 KiB
JavaScript
Executable File

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
// NOTE: VSCode's copy of nodejs path library to be usable in common (non-node) namespace
// Copied from: https://github.com/nodejs/node/tree/43dd49c9782848c25e5b03448c8a0f923f13c158
/**
* Copyright Joyent, Inc. and other Node contributors.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
import * as process from './process.js';
var CHAR_UPPERCASE_A = 65; /* A */
var CHAR_LOWERCASE_A = 97; /* a */
var CHAR_UPPERCASE_Z = 90; /* Z */
var CHAR_LOWERCASE_Z = 122; /* z */
var CHAR_DOT = 46; /* . */
var CHAR_FORWARD_SLASH = 47; /* / */
var CHAR_BACKWARD_SLASH = 92; /* \ */
var CHAR_COLON = 58; /* : */
var CHAR_QUESTION_MARK = 63; /* ? */
var ErrorInvalidArgType = /** @class */ (function (_super) {
__extends(ErrorInvalidArgType, _super);
function ErrorInvalidArgType(name, expected, actual) {
var _this = this;
// determiner: 'must be' or 'must not be'
var determiner;
if (typeof expected === 'string' && expected.indexOf('not ') === 0) {
determiner = 'must not be';
expected = expected.replace(/^not /, '');
}
else {
determiner = 'must be';
}
var type = name.indexOf('.') !== -1 ? 'property' : 'argument';
var msg = "The \"" + name + "\" " + type + " " + determiner + " of type " + expected;
msg += ". Received type " + typeof actual;
_this = _super.call(this, msg) || this;
return _this;
}
return ErrorInvalidArgType;
}(Error));
function validateString(value, name) {
if (typeof value !== 'string') {
throw new ErrorInvalidArgType(name, 'string', value);
}
}
function isPathSeparator(code) {
return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH;
}
function isPosixPathSeparator(code) {
return code === CHAR_FORWARD_SLASH;
}
function isWindowsDeviceRoot(code) {
return code >= CHAR_UPPERCASE_A && code <= CHAR_UPPERCASE_Z ||
code >= CHAR_LOWERCASE_A && code <= CHAR_LOWERCASE_Z;
}
// Resolves . and .. elements in a path with directory names
function normalizeString(path, allowAboveRoot, separator, isPathSeparator) {
var res = '';
var lastSegmentLength = 0;
var lastSlash = -1;
var dots = 0;
var code;
for (var i = 0; i <= path.length; ++i) {
if (i < path.length) {
code = path.charCodeAt(i);
}
else if (isPathSeparator(code)) {
break;
}
else {
code = CHAR_FORWARD_SLASH;
}
if (isPathSeparator(code)) {
if (lastSlash === i - 1 || dots === 1) {
// NOOP
}
else if (lastSlash !== i - 1 && dots === 2) {
if (res.length < 2 || lastSegmentLength !== 2 ||
res.charCodeAt(res.length - 1) !== CHAR_DOT ||
res.charCodeAt(res.length - 2) !== CHAR_DOT) {
if (res.length > 2) {
var lastSlashIndex = res.lastIndexOf(separator);
if (lastSlashIndex === -1) {
res = '';
lastSegmentLength = 0;
}
else {
res = res.slice(0, lastSlashIndex);
lastSegmentLength = res.length - 1 - res.lastIndexOf(separator);
}
lastSlash = i;
dots = 0;
continue;
}
else if (res.length === 2 || res.length === 1) {
res = '';
lastSegmentLength = 0;
lastSlash = i;
dots = 0;
continue;
}
}
if (allowAboveRoot) {
if (res.length > 0) {
res += separator + "..";
}
else {
res = '..';
}
lastSegmentLength = 2;
}
}
else {
if (res.length > 0) {
res += separator + path.slice(lastSlash + 1, i);
}
else {
res = path.slice(lastSlash + 1, i);
}
lastSegmentLength = i - lastSlash - 1;
}
lastSlash = i;
dots = 0;
}
else if (code === CHAR_DOT && dots !== -1) {
++dots;
}
else {
dots = -1;
}
}
return res;
}
function _format(sep, pathObject) {
var dir = pathObject.dir || pathObject.root;
var base = pathObject.base ||
((pathObject.name || '') + (pathObject.ext || ''));
if (!dir) {
return base;
}
if (dir === pathObject.root) {
return dir + base;
}
return dir + sep + base;
}
export var win32 = {
// path.resolve([from ...], to)
resolve: function () {
var pathSegments = [];
for (var _i = 0; _i < arguments.length; _i++) {
pathSegments[_i] = arguments[_i];
}
var resolvedDevice = '';
var resolvedTail = '';
var resolvedAbsolute = false;
for (var i = pathSegments.length - 1; i >= -1; i--) {
var path = void 0;
if (i >= 0) {
path = pathSegments[i];
}
else if (!resolvedDevice) {
path = process.cwd();
}
else {
// Windows has the concept of drive-specific current working
// directories. If we've resolved a drive letter but not yet an
// absolute path, get cwd for that drive, or the process cwd if
// the drive cwd is not available. We're sure the device is not
// a UNC path at this points, because UNC paths are always absolute.
path = process.env['=' + resolvedDevice] || process.cwd();
// Verify that a cwd was found and that it actually points
// to our drive. If not, default to the drive's root.
if (path === undefined ||
path.slice(0, 3).toLowerCase() !==
resolvedDevice.toLowerCase() + '\\') {
path = resolvedDevice + '\\';
}
}
validateString(path, 'path');
// Skip empty entries
if (path.length === 0) {
continue;
}
var len = path.length;
var rootEnd = 0;
var device = '';
var isAbsolute = false;
var code = path.charCodeAt(0);
// Try to match a root
if (len > 1) {
if (isPathSeparator(code)) {
// Possible UNC root
// If we started with a separator, we know we at least have an
// absolute path of some kind (UNC or otherwise)
isAbsolute = true;
if (isPathSeparator(path.charCodeAt(1))) {
// Matched double path separator at beginning
var j = 2;
var last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
if (isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j < len && j !== last) {
var firstPart = path.slice(last, j);
// Matched!
last = j;
// Match 1 or more path separators
for (; j < len; ++j) {
if (!isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j < len && j !== last) {
// Matched!
last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
if (isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j === len) {
// We matched a UNC root only
device = '\\\\' + firstPart + '\\' + path.slice(last);
rootEnd = j;
}
else if (j !== last) {
// We matched a UNC root with leftovers
device = '\\\\' + firstPart + '\\' + path.slice(last, j);
rootEnd = j;
}
}
}
}
else {
rootEnd = 1;
}
}
else if (isWindowsDeviceRoot(code)) {
// Possible device root
if (path.charCodeAt(1) === CHAR_COLON) {
device = path.slice(0, 2);
rootEnd = 2;
if (len > 2) {
if (isPathSeparator(path.charCodeAt(2))) {
// Treat separator following drive name as an absolute path
// indicator
isAbsolute = true;
rootEnd = 3;
}
}
}
}
}
else if (isPathSeparator(code)) {
// `path` contains just a path separator
rootEnd = 1;
isAbsolute = true;
}
if (device.length > 0 &&
resolvedDevice.length > 0 &&
device.toLowerCase() !== resolvedDevice.toLowerCase()) {
// This path points to another device so it is not applicable
continue;
}
if (resolvedDevice.length === 0 && device.length > 0) {
resolvedDevice = device;
}
if (!resolvedAbsolute) {
resolvedTail = path.slice(rootEnd) + '\\' + resolvedTail;
resolvedAbsolute = isAbsolute;
}
if (resolvedDevice.length > 0 && resolvedAbsolute) {
break;
}
}
// At this point the path should be resolved to a full absolute path,
// but handle relative paths to be safe (might happen when process.cwd()
// fails)
// Normalize the tail path
resolvedTail = normalizeString(resolvedTail, !resolvedAbsolute, '\\', isPathSeparator);
return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) ||
'.';
},
normalize: function (path) {
validateString(path, 'path');
var len = path.length;
if (len === 0) {
return '.';
}
var rootEnd = 0;
var device;
var isAbsolute = false;
var code = path.charCodeAt(0);
// Try to match a root
if (len > 1) {
if (isPathSeparator(code)) {
// Possible UNC root
// If we started with a separator, we know we at least have an absolute
// path of some kind (UNC or otherwise)
isAbsolute = true;
if (isPathSeparator(path.charCodeAt(1))) {
// Matched double path separator at beginning
var j = 2;
var last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
if (isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j < len && j !== last) {
var firstPart = path.slice(last, j);
// Matched!
last = j;
// Match 1 or more path separators
for (; j < len; ++j) {
if (!isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j < len && j !== last) {
// Matched!
last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
if (isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j === len) {
// We matched a UNC root only
// Return the normalized version of the UNC root since there
// is nothing left to process
return '\\\\' + firstPart + '\\' + path.slice(last) + '\\';
}
else if (j !== last) {
// We matched a UNC root with leftovers
device = '\\\\' + firstPart + '\\' + path.slice(last, j);
rootEnd = j;
}
}
}
}
else {
rootEnd = 1;
}
}
else if (isWindowsDeviceRoot(code)) {
// Possible device root
if (path.charCodeAt(1) === CHAR_COLON) {
device = path.slice(0, 2);
rootEnd = 2;
if (len > 2) {
if (isPathSeparator(path.charCodeAt(2))) {
// Treat separator following drive name as an absolute path
// indicator
isAbsolute = true;
rootEnd = 3;
}
}
}
}
}
else if (isPathSeparator(code)) {
// `path` contains just a path separator, exit early to avoid unnecessary
// work
return '\\';
}
var tail;
if (rootEnd < len) {
tail = normalizeString(path.slice(rootEnd), !isAbsolute, '\\', isPathSeparator);
}
else {
tail = '';
}
if (tail.length === 0 && !isAbsolute) {
tail = '.';
}
if (tail.length > 0 && isPathSeparator(path.charCodeAt(len - 1))) {
tail += '\\';
}
if (device === undefined) {
if (isAbsolute) {
if (tail.length > 0) {
return '\\' + tail;
}
else {
return '\\';
}
}
else if (tail.length > 0) {
return tail;
}
else {
return '';
}
}
else if (isAbsolute) {
if (tail.length > 0) {
return device + '\\' + tail;
}
else {
return device + '\\';
}
}
else if (tail.length > 0) {
return device + tail;
}
else {
return device;
}
},
isAbsolute: function (path) {
validateString(path, 'path');
var len = path.length;
if (len === 0) {
return false;
}
var code = path.charCodeAt(0);
if (isPathSeparator(code)) {
return true;
}
else if (isWindowsDeviceRoot(code)) {
// Possible device root
if (len > 2 && path.charCodeAt(1) === CHAR_COLON) {
if (isPathSeparator(path.charCodeAt(2))) {
return true;
}
}
}
return false;
},
join: function () {
var paths = [];
for (var _i = 0; _i < arguments.length; _i++) {
paths[_i] = arguments[_i];
}
if (paths.length === 0) {
return '.';
}
var joined;
var firstPart;
for (var i = 0; i < paths.length; ++i) {
var arg = paths[i];
validateString(arg, 'path');
if (arg.length > 0) {
if (joined === undefined) {
joined = firstPart = arg;
}
else {
joined += '\\' + arg;
}
}
}
if (joined === undefined) {
return '.';
}
// Make sure that the joined path doesn't start with two slashes, because
// normalize() will mistake it for an UNC path then.
//
// This step is skipped when it is very clear that the user actually
// intended to point at an UNC path. This is assumed when the first
// non-empty string arguments starts with exactly two slashes followed by
// at least one more non-slash character.
//
// Note that for normalize() to treat a path as an UNC path it needs to
// have at least 2 components, so we don't filter for that here.
// This means that the user can use join to construct UNC paths from
// a server name and a share name; for example:
// path.join('//server', 'share') -> '\\\\server\\share\\')
var needsReplace = true;
var slashCount = 0;
if (typeof firstPart === 'string' && isPathSeparator(firstPart.charCodeAt(0))) {
++slashCount;
var firstLen = firstPart.length;
if (firstLen > 1) {
if (isPathSeparator(firstPart.charCodeAt(1))) {
++slashCount;
if (firstLen > 2) {
if (isPathSeparator(firstPart.charCodeAt(2))) {
++slashCount;
}
else {
// We matched a UNC path in the first part
needsReplace = false;
}
}
}
}
}
if (needsReplace) {
// Find any more consecutive slashes we need to replace
for (; slashCount < joined.length; ++slashCount) {
if (!isPathSeparator(joined.charCodeAt(slashCount))) {
break;
}
}
// Replace the slashes if needed
if (slashCount >= 2) {
joined = '\\' + joined.slice(slashCount);
}
}
return win32.normalize(joined);
},
// It will solve the relative path from `from` to `to`, for instance:
// from = 'C:\\orandea\\test\\aaa'
// to = 'C:\\orandea\\impl\\bbb'
// The output of the function should be: '..\\..\\impl\\bbb'
relative: function (from, to) {
validateString(from, 'from');
validateString(to, 'to');
if (from === to) {
return '';
}
var fromOrig = win32.resolve(from);
var toOrig = win32.resolve(to);
if (fromOrig === toOrig) {
return '';
}
from = fromOrig.toLowerCase();
to = toOrig.toLowerCase();
if (from === to) {
return '';
}
// Trim any leading backslashes
var fromStart = 0;
for (; fromStart < from.length; ++fromStart) {
if (from.charCodeAt(fromStart) !== CHAR_BACKWARD_SLASH) {
break;
}
}
// Trim trailing backslashes (applicable to UNC paths only)
var fromEnd = from.length;
for (; fromEnd - 1 > fromStart; --fromEnd) {
if (from.charCodeAt(fromEnd - 1) !== CHAR_BACKWARD_SLASH) {
break;
}
}
var fromLen = (fromEnd - fromStart);
// Trim any leading backslashes
var toStart = 0;
for (; toStart < to.length; ++toStart) {
if (to.charCodeAt(toStart) !== CHAR_BACKWARD_SLASH) {
break;
}
}
// Trim trailing backslashes (applicable to UNC paths only)
var toEnd = to.length;
for (; toEnd - 1 > toStart; --toEnd) {
if (to.charCodeAt(toEnd - 1) !== CHAR_BACKWARD_SLASH) {
break;
}
}
var toLen = (toEnd - toStart);
// Compare paths to find the longest common path from root
var length = (fromLen < toLen ? fromLen : toLen);
var lastCommonSep = -1;
var i = 0;
for (; i <= length; ++i) {
if (i === length) {
if (toLen > length) {
if (to.charCodeAt(toStart + i) === CHAR_BACKWARD_SLASH) {
// We get here if `from` is the exact base path for `to`.
// For example: from='C:\\foo\\bar'; to='C:\\foo\\bar\\baz'
return toOrig.slice(toStart + i + 1);
}
else if (i === 2) {
// We get here if `from` is the device root.
// For example: from='C:\\'; to='C:\\foo'
return toOrig.slice(toStart + i);
}
}
if (fromLen > length) {
if (from.charCodeAt(fromStart + i) === CHAR_BACKWARD_SLASH) {
// We get here if `to` is the exact base path for `from`.
// For example: from='C:\\foo\\bar'; to='C:\\foo'
lastCommonSep = i;
}
else if (i === 2) {
// We get here if `to` is the device root.
// For example: from='C:\\foo\\bar'; to='C:\\'
lastCommonSep = 3;
}
}
break;
}
var fromCode = from.charCodeAt(fromStart + i);
var toCode = to.charCodeAt(toStart + i);
if (fromCode !== toCode) {
break;
}
else if (fromCode === CHAR_BACKWARD_SLASH) {
lastCommonSep = i;
}
}
// We found a mismatch before the first common path separator was seen, so
// return the original `to`.
if (i !== length && lastCommonSep === -1) {
return toOrig;
}
var out = '';
if (lastCommonSep === -1) {
lastCommonSep = 0;
}
// Generate the relative path based on the path difference between `to` and
// `from`
for (i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i) {
if (i === fromEnd || from.charCodeAt(i) === CHAR_BACKWARD_SLASH) {
if (out.length === 0) {
out += '..';
}
else {
out += '\\..';
}
}
}
// Lastly, append the rest of the destination (`to`) path that comes after
// the common path parts
if (out.length > 0) {
return out + toOrig.slice(toStart + lastCommonSep, toEnd);
}
else {
toStart += lastCommonSep;
if (toOrig.charCodeAt(toStart) === CHAR_BACKWARD_SLASH) {
++toStart;
}
return toOrig.slice(toStart, toEnd);
}
},
toNamespacedPath: function (path) {
// Note: this will *probably* throw somewhere.
if (typeof path !== 'string') {
return path;
}
if (path.length === 0) {
return '';
}
var resolvedPath = win32.resolve(path);
if (resolvedPath.length >= 3) {
if (resolvedPath.charCodeAt(0) === CHAR_BACKWARD_SLASH) {
// Possible UNC root
if (resolvedPath.charCodeAt(1) === CHAR_BACKWARD_SLASH) {
var code = resolvedPath.charCodeAt(2);
if (code !== CHAR_QUESTION_MARK && code !== CHAR_DOT) {
// Matched non-long UNC root, convert the path to a long UNC path
return '\\\\?\\UNC\\' + resolvedPath.slice(2);
}
}
}
else if (isWindowsDeviceRoot(resolvedPath.charCodeAt(0))) {
// Possible device root
if (resolvedPath.charCodeAt(1) === CHAR_COLON &&
resolvedPath.charCodeAt(2) === CHAR_BACKWARD_SLASH) {
// Matched device root, convert the path to a long UNC path
return '\\\\?\\' + resolvedPath;
}
}
}
return path;
},
dirname: function (path) {
validateString(path, '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 (isPathSeparator(code)) {
// Possible UNC root
rootEnd = offset = 1;
if (isPathSeparator(path.charCodeAt(1))) {
// Matched double path separator at beginning
var j = 2;
var last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
if (isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j < len && j !== last) {
// Matched!
last = j;
// Match 1 or more path separators
for (; j < len; ++j) {
if (!isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j < len && j !== last) {
// Matched!
last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
if (isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j === len) {
// We matched a UNC root only
return path;
}
if (j !== last) {
// We matched a UNC root with leftovers
// Offset by 1 to include the separator after the UNC root to
// treat it as a "normal root" on top of a (UNC) root
rootEnd = offset = j + 1;
}
}
}
}
}
else if (isWindowsDeviceRoot(code)) {
// Possible device root
if (path.charCodeAt(1) === CHAR_COLON) {
rootEnd = offset = 2;
if (len > 2) {
if (isPathSeparator(path.charCodeAt(2))) {
rootEnd = offset = 3;
}
}
}
}
}
else if (isPathSeparator(code)) {
// `path` contains just a path separator, exit early to avoid
// unnecessary work
return path;
}
for (var i = len - 1; i >= offset; --i) {
if (isPathSeparator(path.charCodeAt(i))) {
if (!matchedSlash) {
end = i;
break;
}
}
else {
// We saw the first non-path separator
matchedSlash = false;
}
}
if (end === -1) {
if (rootEnd === -1) {
return '.';
}
else {
end = rootEnd;
}
}
return path.slice(0, end);
},
basename: function (path, ext) {
if (ext !== undefined) {
validateString(ext, 'ext');
}
validateString(path, 'path');
var start = 0;
var end = -1;
var matchedSlash = true;
var i;
// Check for a drive letter prefix so as not to mistake the following
// path separator as an extra separator at the end of the path that can be
// disregarded
if (path.length >= 2) {
var drive = path.charCodeAt(0);
if (isWindowsDeviceRoot(drive)) {
if (path.charCodeAt(1) === CHAR_COLON) {
start = 2;
}
}
}
if (ext !== undefined && ext.length > 0 && ext.length <= path.length) {
if (ext.length === path.length && ext === path) {
return '';
}
var extIdx = ext.length - 1;
var firstNonSlashEnd = -1;
for (i = path.length - 1; i >= start; --i) {
var code = path.charCodeAt(i);
if (isPathSeparator(code)) {
// If we reached a path separator that was not part of a set of path
// separators at the end of the string, stop now
if (!matchedSlash) {
start = i + 1;
break;
}
}
else {
if (firstNonSlashEnd === -1) {
// We saw the first non-path separator, remember this index in case
// we need it if the extension ends up not matching
matchedSlash = false;
firstNonSlashEnd = i + 1;
}
if (extIdx >= 0) {
// Try to match the explicit extension
if (code === ext.charCodeAt(extIdx)) {
if (--extIdx === -1) {
// We matched the extension, so mark this as the end of our path
// component
end = i;
}
}
else {
// Extension does not match, so our result is the entire path
// component
extIdx = -1;
end = firstNonSlashEnd;
}
}
}
}
if (start === end) {
end = firstNonSlashEnd;
}
else if (end === -1) {
end = path.length;
}
return path.slice(start, end);
}
else {
for (i = path.length - 1; i >= start; --i) {
if (isPathSeparator(path.charCodeAt(i))) {
// If we reached a path separator that was not part of a set of path
// separators at the end of the string, stop now
if (!matchedSlash) {
start = i + 1;
break;
}
}
else if (end === -1) {
// We saw the first non-path separator, mark this as the end of our
// path component
matchedSlash = false;
end = i + 1;
}
}
if (end === -1) {
return '';
}
return path.slice(start, end);
}
},
extname: function (path) {
validateString(path, 'path');
var start = 0;
var startDot = -1;
var startPart = 0;
var end = -1;
var matchedSlash = true;
// Track the state of characters (if any) we see before our first dot and
// after any path separator we find
var preDotState = 0;
// Check for a drive letter prefix so as not to mistake the following
// path separator as an extra separator at the end of the path that can be
// disregarded
if (path.length >= 2 &&
path.charCodeAt(1) === CHAR_COLON &&
isWindowsDeviceRoot(path.charCodeAt(0))) {
start = startPart = 2;
}
for (var i = path.length - 1; i >= start; --i) {
var code = path.charCodeAt(i);
if (isPathSeparator(code)) {
// If we reached a path separator that was not part of a set of path
// separators at the end of the string, stop now
if (!matchedSlash) {
startPart = i + 1;
break;
}
continue;
}
if (end === -1) {
// We saw the first non-path separator, mark this as the end of our
// extension
matchedSlash = false;
end = i + 1;
}
if (code === CHAR_DOT) {
// If this is our first dot, mark it as the start of our extension
if (startDot === -1) {
startDot = i;
}
else if (preDotState !== 1) {
preDotState = 1;
}
}
else if (startDot !== -1) {
// We saw a non-dot and non-path separator before our dot, so we should
// have a good chance at having a non-empty extension
preDotState = -1;
}
}
if (startDot === -1 ||
end === -1 ||
// We saw a non-dot character immediately before the dot
preDotState === 0 ||
// The (right-most) trimmed path component is exactly '..'
(preDotState === 1 &&
startDot === end - 1 &&
startDot === startPart + 1)) {
return '';
}
return path.slice(startDot, end);
},
format: function (pathObject) {
if (pathObject === null || typeof pathObject !== 'object') {
throw new ErrorInvalidArgType('pathObject', 'Object', pathObject);
}
return _format('\\', pathObject);
},
parse: function (path) {
validateString(path, 'path');
var ret = { root: '', dir: '', base: '', ext: '', name: '' };
if (path.length === 0) {
return ret;
}
var len = path.length;
var rootEnd = 0;
var code = path.charCodeAt(0);
// Try to match a root
if (len > 1) {
if (isPathSeparator(code)) {
// Possible UNC root
rootEnd = 1;
if (isPathSeparator(path.charCodeAt(1))) {
// Matched double path separator at beginning
var j = 2;
var last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
if (isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j < len && j !== last) {
// Matched!
last = j;
// Match 1 or more path separators
for (; j < len; ++j) {
if (!isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j < len && j !== last) {
// Matched!
last = j;
// Match 1 or more non-path separators
for (; j < len; ++j) {
if (isPathSeparator(path.charCodeAt(j))) {
break;
}
}
if (j === len) {
// We matched a UNC root only
rootEnd = j;
}
else if (j !== last) {
// We matched a UNC root with leftovers
rootEnd = j + 1;
}
}
}
}
}
else if (isWindowsDeviceRoot(code)) {
// Possible device root
if (path.charCodeAt(1) === CHAR_COLON) {
rootEnd = 2;
if (len > 2) {
if (isPathSeparator(path.charCodeAt(2))) {
if (len === 3) {
// `path` contains just a drive root, exit early to avoid
// unnecessary work
ret.root = ret.dir = path;
return ret;
}
rootEnd = 3;
}
}
else {
// `path` contains just a drive root, exit early to avoid
// unnecessary work
ret.root = ret.dir = path;
return ret;
}
}
}
}
else if (isPathSeparator(code)) {
// `path` contains just a path separator, exit early to avoid
// unnecessary work
ret.root = ret.dir = path;
return ret;
}
if (rootEnd > 0) {
ret.root = path.slice(0, rootEnd);
}
var startDot = -1;
var startPart = rootEnd;
var end = -1;
var matchedSlash = true;
var i = path.length - 1;
// Track the state of characters (if any) we see before our first dot and
// after any path separator we find
var preDotState = 0;
// Get non-dir info
for (; i >= rootEnd; --i) {
code = path.charCodeAt(i);
if (isPathSeparator(code)) {
// If we reached a path separator that was not part of a set of path
// separators at the end of the string, stop now
if (!matchedSlash) {
startPart = i + 1;
break;
}
continue;
}
if (end === -1) {
// We saw the first non-path separator, mark this as the end of our
// extension
matchedSlash = false;
end = i + 1;
}
if (code === CHAR_DOT) {
// If this is our first dot, mark it as the start of our extension
if (startDot === -1) {
startDot = i;
}
else if (preDotState !== 1) {
preDotState = 1;
}
}
else if (startDot !== -1) {
// We saw a non-dot and non-path separator before our dot, so we should
// have a good chance at having a non-empty extension
preDotState = -1;
}
}
if (startDot === -1 ||
end === -1 ||
// We saw a non-dot character immediately before the dot
preDotState === 0 ||
// The (right-most) trimmed path component is exactly '..'
(preDotState === 1 &&
startDot === end - 1 &&
startDot === startPart + 1)) {
if (end !== -1) {
ret.base = ret.name = path.slice(startPart, end);
}
}
else {
ret.name = path.slice(startPart, startDot);
ret.base = path.slice(startPart, end);
ret.ext = path.slice(startDot, end);
}
// If the directory is the root, use the entire root as the `dir` including
// the trailing slash if any (`C:\abc` -> `C:\`). Otherwise, strip out the
// trailing slash (`C:\abc\def` -> `C:\abc`).
if (startPart > 0 && startPart !== rootEnd) {
ret.dir = path.slice(0, startPart - 1);
}
else {
ret.dir = ret.root;
}
return ret;
},
sep: '\\',
delimiter: ';',
win32: null,
posix: null
};
export var posix = {
// path.resolve([from ...], to)
resolve: function () {
var pathSegments = [];
for (var _i = 0; _i < arguments.length; _i++) {
pathSegments[_i] = arguments[_i];
}
var resolvedPath = '';
var resolvedAbsolute = false;
for (var i = pathSegments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path = void 0;
if (i >= 0) {
path = pathSegments[i];
}
else {
path = process.cwd();
}
validateString(path, 'path');
// Skip empty entries
if (path.length === 0) {
continue;
}
resolvedPath = path + '/' + resolvedPath;
resolvedAbsolute = path.charCodeAt(0) === CHAR_FORWARD_SLASH;
}
// At this point the path should be resolved to a full absolute path, but
// handle relative paths to be safe (might happen when process.cwd() fails)
// Normalize the path
resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute, '/', isPosixPathSeparator);
if (resolvedAbsolute) {
if (resolvedPath.length > 0) {
return '/' + resolvedPath;
}
else {
return '/';
}
}
else if (resolvedPath.length > 0) {
return resolvedPath;
}
else {
return '.';
}
},
normalize: function (path) {
validateString(path, 'path');
if (path.length === 0) {
return '.';
}
var isAbsolute = path.charCodeAt(0) === CHAR_FORWARD_SLASH;
var trailingSeparator = path.charCodeAt(path.length - 1) === CHAR_FORWARD_SLASH;
// Normalize the path
path = normalizeString(path, !isAbsolute, '/', isPosixPathSeparator);
if (path.length === 0 && !isAbsolute) {
path = '.';
}
if (path.length > 0 && trailingSeparator) {
path += '/';
}
if (isAbsolute) {
return '/' + path;
}
return path;
},
isAbsolute: function (path) {
validateString(path, 'path');
return path.length > 0 && path.charCodeAt(0) === CHAR_FORWARD_SLASH;
},
join: function () {
var paths = [];
for (var _i = 0; _i < arguments.length; _i++) {
paths[_i] = arguments[_i];
}
if (paths.length === 0) {
return '.';
}
var joined;
for (var i = 0; i < paths.length; ++i) {
var arg = arguments[i];
validateString(arg, 'path');
if (arg.length > 0) {
if (joined === undefined) {
joined = arg;
}
else {
joined += '/' + arg;
}
}
}
if (joined === undefined) {
return '.';
}
return posix.normalize(joined);
},
relative: function (from, to) {
validateString(from, 'from');
validateString(to, 'to');
if (from === to) {
return '';
}
from = posix.resolve(from);
to = posix.resolve(to);
if (from === to) {
return '';
}
// Trim any leading backslashes
var fromStart = 1;
for (; fromStart < from.length; ++fromStart) {
if (from.charCodeAt(fromStart) !== CHAR_FORWARD_SLASH) {
break;
}
}
var fromEnd = from.length;
var fromLen = (fromEnd - fromStart);
// Trim any leading backslashes
var toStart = 1;
for (; toStart < to.length; ++toStart) {
if (to.charCodeAt(toStart) !== CHAR_FORWARD_SLASH) {
break;
}
}
var toEnd = to.length;
var toLen = (toEnd - toStart);
// Compare paths to find the longest common path from root
var length = (fromLen < toLen ? fromLen : toLen);
var lastCommonSep = -1;
var i = 0;
for (; i <= length; ++i) {
if (i === length) {
if (toLen > length) {
if (to.charCodeAt(toStart + i) === CHAR_FORWARD_SLASH) {
// We get here if `from` is the exact base path for `to`.
// For example: from='/foo/bar'; to='/foo/bar/baz'
return to.slice(toStart + i + 1);
}
else if (i === 0) {
// We get here if `from` is the root
// For example: from='/'; to='/foo'
return to.slice(toStart + i);
}
}
else if (fromLen > length) {
if (from.charCodeAt(fromStart + i) === CHAR_FORWARD_SLASH) {
// We get here if `to` is the exact base path for `from`.
// For example: from='/foo/bar/baz'; to='/foo/bar'
lastCommonSep = i;
}
else if (i === 0) {
// We get here if `to` is the root.
// For example: from='/foo'; to='/'
lastCommonSep = 0;
}
}
break;
}
var fromCode = from.charCodeAt(fromStart + i);
var toCode = to.charCodeAt(toStart + i);
if (fromCode !== toCode) {
break;
}
else if (fromCode === CHAR_FORWARD_SLASH) {
lastCommonSep = i;
}
}
var out = '';
// Generate the relative path based on the path difference between `to`
// and `from`
for (i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i) {
if (i === fromEnd || from.charCodeAt(i) === CHAR_FORWARD_SLASH) {
if (out.length === 0) {
out += '..';
}
else {
out += '/..';
}
}
}
// Lastly, append the rest of the destination (`to`) path that comes after
// the common path parts
if (out.length > 0) {
return out + to.slice(toStart + lastCommonSep);
}
else {
toStart += lastCommonSep;
if (to.charCodeAt(toStart) === CHAR_FORWARD_SLASH) {
++toStart;
}
return to.slice(toStart);
}
},
toNamespacedPath: function (path) {
// Non-op on posix systems
return path;
},
dirname: function (path) {
validateString(path, 'path');
if (path.length === 0) {
return '.';
}
var hasRoot = path.charCodeAt(0) === CHAR_FORWARD_SLASH;
var end = -1;
var matchedSlash = true;
for (var i = path.length - 1; i >= 1; --i) {
if (path.charCodeAt(i) === CHAR_FORWARD_SLASH) {
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);
},
basename: function (path, ext) {
if (ext !== undefined) {
validateString(ext, 'ext');
}
validateString(path, 'path');
var start = 0;
var end = -1;
var matchedSlash = true;
var i;
if (ext !== undefined && ext.length > 0 && ext.length <= path.length) {
if (ext.length === path.length && ext === path) {
return '';
}
var extIdx = ext.length - 1;
var firstNonSlashEnd = -1;
for (i = path.length - 1; i >= 0; --i) {
var code = path.charCodeAt(i);
if (code === CHAR_FORWARD_SLASH) {
// If we reached a path separator that was not part of a set of path
// separators at the end of the string, stop now
if (!matchedSlash) {
start = i + 1;
break;
}
}
else {
if (firstNonSlashEnd === -1) {
// We saw the first non-path separator, remember this index in case
// we need it if the extension ends up not matching
matchedSlash = false;
firstNonSlashEnd = i + 1;
}
if (extIdx >= 0) {
// Try to match the explicit extension
if (code === ext.charCodeAt(extIdx)) {
if (--extIdx === -1) {
// We matched the extension, so mark this as the end of our path
// component
end = i;
}
}
else {
// Extension does not match, so our result is the entire path
// component
extIdx = -1;
end = firstNonSlashEnd;
}
}
}
}
if (start === end) {
end = firstNonSlashEnd;
}
else if (end === -1) {
end = path.length;
}
return path.slice(start, end);
}
else {
for (i = path.length - 1; i >= 0; --i) {
if (path.charCodeAt(i) === CHAR_FORWARD_SLASH) {
// If we reached a path separator that was not part of a set of path
// separators at the end of the string, stop now
if (!matchedSlash) {
start = i + 1;
break;
}
}
else if (end === -1) {
// We saw the first non-path separator, mark this as the end of our
// path component
matchedSlash = false;
end = i + 1;
}
}
if (end === -1) {
return '';
}
return path.slice(start, end);
}
},
extname: function (path) {
validateString(path, 'path');
var startDot = -1;
var startPart = 0;
var end = -1;
var matchedSlash = true;
// Track the state of characters (if any) we see before our first dot and
// after any path separator we find
var preDotState = 0;
for (var i = path.length - 1; i >= 0; --i) {
var code = path.charCodeAt(i);
if (code === CHAR_FORWARD_SLASH) {
// If we reached a path separator that was not part of a set of path
// separators at the end of the string, stop now
if (!matchedSlash) {
startPart = i + 1;
break;
}
continue;
}
if (end === -1) {
// We saw the first non-path separator, mark this as the end of our
// extension
matchedSlash = false;
end = i + 1;
}
if (code === CHAR_DOT) {
// If this is our first dot, mark it as the start of our extension
if (startDot === -1) {
startDot = i;
}
else if (preDotState !== 1) {
preDotState = 1;
}
}
else if (startDot !== -1) {
// We saw a non-dot and non-path separator before our dot, so we should
// have a good chance at having a non-empty extension
preDotState = -1;
}
}
if (startDot === -1 ||
end === -1 ||
// We saw a non-dot character immediately before the dot
preDotState === 0 ||
// The (right-most) trimmed path component is exactly '..'
(preDotState === 1 &&
startDot === end - 1 &&
startDot === startPart + 1)) {
return '';
}
return path.slice(startDot, end);
},
format: function (pathObject) {
if (pathObject === null || typeof pathObject !== 'object') {
throw new ErrorInvalidArgType('pathObject', 'Object', pathObject);
}
return _format('/', pathObject);
},
parse: function (path) {
validateString(path, 'path');
var ret = { root: '', dir: '', base: '', ext: '', name: '' };
if (path.length === 0) {
return ret;
}
var isAbsolute = path.charCodeAt(0) === CHAR_FORWARD_SLASH;
var start;
if (isAbsolute) {
ret.root = '/';
start = 1;
}
else {
start = 0;
}
var startDot = -1;
var startPart = 0;
var end = -1;
var matchedSlash = true;
var i = path.length - 1;
// Track the state of characters (if any) we see before our first dot and
// after any path separator we find
var preDotState = 0;
// Get non-dir info
for (; i >= start; --i) {
var code = path.charCodeAt(i);
if (code === CHAR_FORWARD_SLASH) {
// If we reached a path separator that was not part of a set of path
// separators at the end of the string, stop now
if (!matchedSlash) {
startPart = i + 1;
break;
}
continue;
}
if (end === -1) {
// We saw the first non-path separator, mark this as the end of our
// extension
matchedSlash = false;
end = i + 1;
}
if (code === CHAR_DOT) {
// If this is our first dot, mark it as the start of our extension
if (startDot === -1) {
startDot = i;
}
else if (preDotState !== 1) {
preDotState = 1;
}
}
else if (startDot !== -1) {
// We saw a non-dot and non-path separator before our dot, so we should
// have a good chance at having a non-empty extension
preDotState = -1;
}
}
if (startDot === -1 ||
end === -1 ||
// We saw a non-dot character immediately before the dot
preDotState === 0 ||
// The (right-most) trimmed path component is exactly '..'
(preDotState === 1 &&
startDot === end - 1 &&
startDot === startPart + 1)) {
if (end !== -1) {
if (startPart === 0 && isAbsolute) {
ret.base = ret.name = path.slice(1, end);
}
else {
ret.base = ret.name = path.slice(startPart, end);
}
}
}
else {
if (startPart === 0 && isAbsolute) {
ret.name = path.slice(1, startDot);
ret.base = path.slice(1, end);
}
else {
ret.name = path.slice(startPart, startDot);
ret.base = path.slice(startPart, end);
}
ret.ext = path.slice(startDot, end);
}
if (startPart > 0) {
ret.dir = path.slice(0, startPart - 1);
}
else if (isAbsolute) {
ret.dir = '/';
}
return ret;
},
sep: '/',
delimiter: ':',
win32: null,
posix: null
};
posix.win32 = win32.win32 = win32;
posix.posix = win32.posix = posix;
export var normalize = (process.platform === 'win32' ? win32.normalize : posix.normalize);
export var join = (process.platform === 'win32' ? win32.join : posix.join);
export var relative = (process.platform === 'win32' ? win32.relative : posix.relative);
export var dirname = (process.platform === 'win32' ? win32.dirname : posix.dirname);
export var basename = (process.platform === 'win32' ? win32.basename : posix.basename);
export var extname = (process.platform === 'win32' ? win32.extname : posix.extname);
export var sep = (process.platform === 'win32' ? win32.sep : posix.sep);