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const process = require("process"); // ensure shim
// https://github.com/browserify/path-browserify v1.0.1
//
// Copyright (c) 2013 James Halliday
// 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.
function assertPath(path) {
if (typeof path !== 'string') {
throw new TypeError('Path must be a string. Received ' + JSON.stringify(path));
}
}
// Resolves . and .. elements in a path with directory names
function normalizeStringPosix(path, allowAboveRoot) {
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 (code === 47 /*/*/)
break;
else
code = 47 /*/*/;
if (code === 47 /*/*/) {
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) !== 46 || res.charCodeAt(res.length - 2) !== 46) {
if (res.length > 2) {
var lastSlashIndex = res.lastIndexOf('/');
if (lastSlashIndex !== res.length - 1) {
if (lastSlashIndex === -1) {
res = '';
lastSegmentLength = 0;
} else {
res = res.slice(0, lastSlashIndex);
lastSegmentLength = res.length - 1 - res.lastIndexOf('/');
}
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 += '/..';
else
res = '..';
lastSegmentLength = 2;
}
} else {
if (res.length > 0)
res += '/' + path.slice(lastSlash + 1, i);
else
res = path.slice(lastSlash + 1, i);
lastSegmentLength = i - lastSlash - 1;
}
lastSlash = i;
dots = 0;
} else if (code === 46 && 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;
}
var posix = {
// path.resolve([from ...], to)
resolve: function resolve() {
var resolvedPath = '';
var resolvedAbsolute = false;
var cwd;
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path;
if (i >= 0)
path = arguments[i];
else {
if (cwd === undefined)
cwd = process.cwd();
path = cwd;
}
assertPath(path);
// Skip empty entries
if (path.length === 0) {
continue;
}
resolvedPath = path + '/' + resolvedPath;
resolvedAbsolute = path.charCodeAt(0) === 47 /*/*/;
}
// 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 = normalizeStringPosix(resolvedPath, !resolvedAbsolute);
if (resolvedAbsolute) {
if (resolvedPath.length > 0)
return '/' + resolvedPath;
else
return '/';
} else if (resolvedPath.length > 0) {
return resolvedPath;
} else {
return '.';
}
},
normalize: function normalize(path) {
assertPath(path);
if (path.length === 0) return '.';
var isAbsolute = path.charCodeAt(0) === 47 /*/*/;
var trailingSeparator = path.charCodeAt(path.length - 1) === 47 /*/*/;
// Normalize the path
path = normalizeStringPosix(path, !isAbsolute);
if (path.length === 0 && !isAbsolute) path = '.';
if (path.length > 0 && trailingSeparator) path += '/';
if (isAbsolute) return '/' + path;
return path;
},
isAbsolute: function isAbsolute(path) {
assertPath(path);
return path.length > 0 && path.charCodeAt(0) === 47 /*/*/;
},
join: function join() {
if (arguments.length === 0)
return '.';
var joined;
for (var i = 0; i < arguments.length; ++i) {
var arg = arguments[i];
assertPath(arg);
if (arg.length > 0) {
if (joined === undefined)
joined = arg;
else
joined += '/' + arg;
}
}
if (joined === undefined)
return '.';
return posix.normalize(joined);
},
relative: function relative(from, to) {
assertPath(from);
assertPath(to);
if (from === to) return '';
from = posix.resolve(from);
to = posix.resolve(to);
if (from === to) return '';
if (from === ".") return to; // FIX for 'odule.ts' (see issue #1398)
// Trim any leading backslashes
var fromStart = 1;
for (; fromStart < from.length; ++fromStart) {
if (from.charCodeAt(fromStart) !== 47 /*/*/)
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) !== 47 /*/*/)
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) === 47 /*/*/) {
// 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) === 47 /*/*/) {
// 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 === 47 /*/*/)
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) === 47 /*/*/) {
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) === 47 /*/*/)
++toStart;
return to.slice(toStart);
}
},
_makeLong: function _makeLong(path) {
return path;
},
dirname: function dirname(path) {
assertPath(path);
if (path.length === 0) return '.';
var code = path.charCodeAt(0);
var hasRoot = code === 47 /*/*/;
var end = -1;
var matchedSlash = true;
for (var i = path.length - 1; i >= 1; --i) {
code = path.charCodeAt(i);
if (code === 47 /*/*/) {
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 basename(path, ext) {
if (ext !== undefined && typeof ext !== 'string') throw new TypeError('"ext" argument must be a string');
assertPath(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 === 47 /*/*/) {
// 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) === 47 /*/*/) {
// 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 extname(path) {
assertPath(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 === 47 /*/*/) {
// 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 === 46) {
// 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 format(pathObject) {
if (pathObject === null || typeof pathObject !== 'object') {
throw new TypeError('The "pathObject" argument must be of type Object. Received type ' + typeof pathObject);
}
return _format('/', pathObject);
},
parse: function parse(path) {
assertPath(path);
var ret = { root: '', dir: '', base: '', ext: '', name: '' };
if (path.length === 0) return ret;
var code = path.charCodeAt(0);
var isAbsolute = code === 47 /*/*/;
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) {
code = path.charCodeAt(i);
if (code === 47 /*/*/) {
// 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 === 46) {
// 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.posix = posix;
module.exports = posix;