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-rw-r--r--fs/path/mod.ts1438
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diff --git a/fs/path/mod.ts b/fs/path/mod.ts
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@@ -0,0 +1,1438 @@
+// Copyright the Browserify authors. MIT License.
+// Ported from https://github.com/browserify/path-browserify/
+
+import {
+ CHAR_UPPERCASE_A,
+ CHAR_LOWERCASE_A,
+ CHAR_UPPERCASE_Z,
+ CHAR_LOWERCASE_Z,
+ CHAR_DOT,
+ CHAR_FORWARD_SLASH,
+ CHAR_BACKWARD_SLASH,
+ CHAR_COLON,
+ CHAR_QUESTION_MARK
+} from "./constants.ts";
+import { cwd, env, platform } from "deno";
+import { FormatInputPathObject, ParsedPath } from "./interface.ts";
+
+function assertPath(path: string) {
+ if (typeof path !== "string") {
+ throw new TypeError(
+ `Path must be a string. Received ${JSON.stringify(path)}`
+ );
+ }
+}
+
+function isPathSeparator(code: number) {
+ return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH;
+}
+
+function isPosixPathSeparator(code: number) {
+ return code === CHAR_FORWARD_SLASH;
+}
+
+function isWindowsDeviceRoot(code: number) {
+ return (
+ (code >= CHAR_UPPERCASE_A && code <= CHAR_UPPERCASE_Z) ||
+ (code >= CHAR_LOWERCASE_A && code <= CHAR_LOWERCASE_Z)
+ );
+}
+
+// Resolves . and .. elements in a path with directory names
+function normalizeString(
+ path: string,
+ allowAboveRoot: boolean,
+ separator: string,
+ isPathSeparator: (code: number) => boolean
+) {
+ let res = "";
+ let lastSegmentLength = 0;
+ let lastSlash = -1;
+ let dots = 0;
+ let code: number;
+ for (let i = 0; i <= path.length; ++i) {
+ if (i < path.length) code = path.charCodeAt(i);
+ else if (isPathSeparator(code)) break;
+ else code = CHAR_FORWARD_SLASH;
+
+ if (isPathSeparator(code)) {
+ if (lastSlash === i - 1 || dots === 1) {
+ // NOOP
+ } else if (lastSlash !== i - 1 && dots === 2) {
+ if (
+ res.length < 2 ||
+ lastSegmentLength !== 2 ||
+ res.charCodeAt(res.length - 1) !== CHAR_DOT ||
+ res.charCodeAt(res.length - 2) !== CHAR_DOT
+ ) {
+ if (res.length > 2) {
+ const lastSlashIndex = res.lastIndexOf(separator);
+ if (lastSlashIndex === -1) {
+ res = "";
+ lastSegmentLength = 0;
+ } else {
+ res = res.slice(0, lastSlashIndex);
+ lastSegmentLength = res.length - 1 - res.lastIndexOf(separator);
+ }
+ lastSlash = i;
+ dots = 0;
+ continue;
+ } else if (res.length === 2 || res.length === 1) {
+ res = "";
+ lastSegmentLength = 0;
+ lastSlash = i;
+ dots = 0;
+ continue;
+ }
+ }
+ if (allowAboveRoot) {
+ if (res.length > 0) res += `${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: string, pathObject: FormatInputPathObject) {
+ const dir = pathObject.dir || pathObject.root;
+ const base =
+ pathObject.base || (pathObject.name || "") + (pathObject.ext || "");
+ if (!dir) {
+ return base;
+ }
+ if (dir === pathObject.root) {
+ return dir + base;
+ }
+ return dir + sep + base;
+}
+
+export const win32 = {
+ // path.resolve([from ...], to)
+ resolve: function resolve(...pathSegments: string[]) {
+ let resolvedDevice = "";
+ let resolvedTail = "";
+ let resolvedAbsolute = false;
+
+ for (let i = arguments.length - 1; i >= -1; i--) {
+ let path: string;
+ if (i >= 0) {
+ path = arguments[i];
+ } else if (!resolvedDevice) {
+ path = 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 = env()[`=${resolvedDevice}`] || cwd();
+
+ // Verify that a cwd was found and that it actually points
+ // to our drive. If not, default to the drive's root.
+ if (
+ path === undefined ||
+ path.slice(0, 3).toLowerCase() !== `${resolvedDevice.toLowerCase()}\\`
+ ) {
+ path = `${resolvedDevice}\\`;
+ }
+ }
+
+ assertPath(path);
+
+ // Skip empty entries
+ if (path.length === 0) {
+ continue;
+ }
+
+ let len = path.length;
+ let rootEnd = 0;
+ let device = "";
+ let isAbsolute = false;
+ const code = path.charCodeAt(0);
+
+ // Try to match a root
+ if (len > 1) {
+ if (isPathSeparator(code)) {
+ // Possible UNC root
+
+ // If we started with a separator, we know we at least have an
+ // absolute path of some kind (UNC or otherwise)
+ isAbsolute = true;
+
+ if (isPathSeparator(path.charCodeAt(1))) {
+ // Matched double path separator at beginning
+ let j = 2;
+ let last = j;
+ // Match 1 or more non-path separators
+ for (; j < len; ++j) {
+ if (isPathSeparator(path.charCodeAt(j))) break;
+ }
+ if (j < len && j !== last) {
+ const firstPart = path.slice(last, j);
+ // Matched!
+ last = j;
+ // Match 1 or more path separators
+ for (; j < len; ++j) {
+ if (!isPathSeparator(path.charCodeAt(j))) break;
+ }
+ if (j < len && j !== last) {
+ // Matched!
+ last = j;
+ // Match 1 or more non-path separators
+ for (; j < len; ++j) {
+ if (isPathSeparator(path.charCodeAt(j))) break;
+ }
+ if (j === len) {
+ // We matched a UNC root only
+ device = `\\\\${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 normalize(path: string) {
+ assertPath(path);
+ const len = path.length;
+ if (len === 0) return ".";
+ let rootEnd = 0;
+ let device: string;
+ let isAbsolute = false;
+ const 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
+ let j = 2;
+ let last = j;
+ // Match 1 or more non-path separators
+ for (; j < len; ++j) {
+ if (isPathSeparator(path.charCodeAt(j))) break;
+ }
+ if (j < len && j !== last) {
+ const 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 "\\";
+ }
+
+ let tail: string;
+ 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 `${device}\\`;
+ } else if (tail.length > 0) {
+ return device + tail;
+ } else {
+ return device;
+ }
+ },
+
+ isAbsolute: function isAbsolute(path: string) {
+ assertPath(path);
+ const len = path.length;
+ if (len === 0) return false;
+
+ const code = path.charCodeAt(0);
+ if (isPathSeparator(code)) {
+ return true;
+ } else if (isWindowsDeviceRoot(code)) {
+ // Possible device root
+
+ if (len > 2 && path.charCodeAt(1) === CHAR_COLON) {
+ if (isPathSeparator(path.charCodeAt(2))) return true;
+ }
+ }
+ return false;
+ },
+
+ join: function join(...paths: string[]) {
+ if (arguments.length === 0) return ".";
+
+ let joined: string;
+ let firstPart: string;
+ for (let i = 0; i < arguments.length; ++i) {
+ let arg = arguments[i];
+ assertPath(arg);
+ if (arg.length > 0) {
+ if (joined === undefined) joined = firstPart = arg;
+ else joined += `\\${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\\')
+ let needsReplace = true;
+ let slashCount = 0;
+ if (isPathSeparator(firstPart.charCodeAt(0))) {
+ ++slashCount;
+ const 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 relative(from: string, to: string) {
+ assertPath(from);
+ assertPath(to);
+
+ if (from === to) return "";
+
+ let fromOrig = win32.resolve(from);
+ let toOrig = win32.resolve(to);
+
+ if (fromOrig === toOrig) return "";
+
+ from = fromOrig.toLowerCase();
+ to = toOrig.toLowerCase();
+
+ if (from === to) return "";
+
+ // Trim any leading backslashes
+ let fromStart = 0;
+ for (; fromStart < from.length; ++fromStart) {
+ if (from.charCodeAt(fromStart) !== CHAR_BACKWARD_SLASH) break;
+ }
+ // Trim trailing backslashes (applicable to UNC paths only)
+ let fromEnd = from.length;
+ for (; fromEnd - 1 > fromStart; --fromEnd) {
+ if (from.charCodeAt(fromEnd - 1) !== CHAR_BACKWARD_SLASH) break;
+ }
+ let fromLen = fromEnd - fromStart;
+
+ // Trim any leading backslashes
+ let toStart = 0;
+ for (; toStart < to.length; ++toStart) {
+ if (to.charCodeAt(toStart) !== CHAR_BACKWARD_SLASH) break;
+ }
+ // Trim trailing backslashes (applicable to UNC paths only)
+ let toEnd = to.length;
+ for (; toEnd - 1 > toStart; --toEnd) {
+ if (to.charCodeAt(toEnd - 1) !== CHAR_BACKWARD_SLASH) break;
+ }
+ let toLen = toEnd - toStart;
+
+ // Compare paths to find the longest common path from root
+ let length = fromLen < toLen ? fromLen : toLen;
+ let lastCommonSep = -1;
+ let 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;
+ }
+ let fromCode = from.charCodeAt(fromStart + i);
+ let 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;
+ }
+
+ let 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 toNamespacedPath(path: string) {
+ // Note: this will *probably* throw somewhere.
+ if (typeof path !== "string") return path;
+
+ if (path.length === 0) {
+ return "";
+ }
+
+ const 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) {
+ const 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 dirname(path: string) {
+ assertPath(path);
+ const len = path.length;
+ if (len === 0) return ".";
+ let rootEnd = -1;
+ let end = -1;
+ let matchedSlash = true;
+ let offset = 0;
+ const 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
+ let j = 2;
+ let 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 (let 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 basename(path: string, ext = "") {
+ if (ext !== undefined && typeof ext !== "string")
+ throw new TypeError('"ext" argument must be a string');
+ assertPath(path);
+ let start = 0;
+ let end = -1;
+ let matchedSlash = true;
+ let i: number;
+
+ // 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) {
+ const 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 "";
+ let extIdx = ext.length - 1;
+ let firstNonSlashEnd = -1;
+ for (i = path.length - 1; i >= start; --i) {
+ const 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 extname(path: string) {
+ assertPath(path);
+ let start = 0;
+ let startDot = -1;
+ let startPart = 0;
+ let end = -1;
+ let matchedSlash = true;
+ // Track the state of characters (if any) we see before our first dot and
+ // after any path separator we find
+ let 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 (let i = path.length - 1; i >= start; --i) {
+ const 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 format(pathObject: FormatInputPathObject) {
+ 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: string) {
+ assertPath(path);
+
+ let ret = { root: "", dir: "", base: "", ext: "", name: "" } as ParsedPath;
+ if (path.length === 0) return ret;
+
+ let len = path.length;
+ let rootEnd = 0;
+ let 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
+ let j = 2;
+ let 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);
+
+ let startDot = -1;
+ let startPart = rootEnd;
+ let end = -1;
+ let matchedSlash = true;
+ let i = path.length - 1;
+
+ // Track the state of characters (if any) we see before our first dot and
+ // after any path separator we find
+ let 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 const posix = {
+ // path.resolve([from ...], to)
+ resolve: function resolve(...pathSegments: string[]) {
+ let resolvedPath = "";
+ let resolvedAbsolute = false;
+
+ for (let i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+ let path: string;
+ if (i >= 0) path = arguments[i];
+ else {
+ path = cwd();
+ }
+
+ assertPath(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 normalize(path: string) {
+ assertPath(path);
+
+ if (path.length === 0) return ".";
+
+ const isAbsolute = path.charCodeAt(0) === CHAR_FORWARD_SLASH;
+ const 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 `/${path}`;
+ return path;
+ },
+
+ isAbsolute: function isAbsolute(path: string) {
+ assertPath(path);
+ return path.length > 0 && path.charCodeAt(0) === CHAR_FORWARD_SLASH;
+ },
+
+ join: function join(...paths: string[]) {
+ if (arguments.length === 0) return ".";
+ let joined: string;
+ for (let i = 0; i < arguments.length; ++i) {
+ let arg = arguments[i];
+ assertPath(arg);
+ if (arg.length > 0) {
+ if (joined === undefined) joined = arg;
+ else joined += `/${arg}`;
+ }
+ }
+ if (joined === undefined) return ".";
+ return posix.normalize(joined);
+ },
+
+ relative: function relative(from: string, to: string) {
+ assertPath(from);
+ assertPath(to);
+
+ if (from === to) return "";
+
+ from = posix.resolve(from);
+ to = posix.resolve(to);
+
+ if (from === to) return "";
+
+ // Trim any leading backslashes
+ let fromStart = 1;
+ for (; fromStart < from.length; ++fromStart) {
+ if (from.charCodeAt(fromStart) !== CHAR_FORWARD_SLASH) break;
+ }
+ let fromEnd = from.length;
+ let fromLen = fromEnd - fromStart;
+
+ // Trim any leading backslashes
+ let toStart = 1;
+ for (; toStart < to.length; ++toStart) {
+ if (to.charCodeAt(toStart) !== CHAR_FORWARD_SLASH) break;
+ }
+ let toEnd = to.length;
+ let toLen = toEnd - toStart;
+
+ // Compare paths to find the longest common path from root
+ let length = fromLen < toLen ? fromLen : toLen;
+ let lastCommonSep = -1;
+ let 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;
+ }
+ let fromCode = from.charCodeAt(fromStart + i);
+ let toCode = to.charCodeAt(toStart + i);
+ if (fromCode !== toCode) break;
+ else if (fromCode === CHAR_FORWARD_SLASH) lastCommonSep = i;
+ }
+
+ let 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 toNamespacedPath(path: string) {
+ // Non-op on posix systems
+ return path;
+ },
+
+ dirname: function dirname(path: string) {
+ assertPath(path);
+ if (path.length === 0) return ".";
+ const hasRoot = path.charCodeAt(0) === CHAR_FORWARD_SLASH;
+ let end = -1;
+ let matchedSlash = true;
+ for (let 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 basename(path: string, ext = "") {
+ if (ext !== undefined && typeof ext !== "string")
+ throw new TypeError('"ext" argument must be a string');
+ assertPath(path);
+
+ let start = 0;
+ let end = -1;
+ let matchedSlash = true;
+ let i: number;
+
+ if (ext !== undefined && ext.length > 0 && ext.length <= path.length) {
+ if (ext.length === path.length && ext === path) return "";
+ let extIdx = ext.length - 1;
+ let firstNonSlashEnd = -1;
+ for (i = path.length - 1; i >= 0; --i) {
+ const 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 extname(path: string) {
+ assertPath(path);
+ let startDot = -1;
+ let startPart = 0;
+ let end = -1;
+ let matchedSlash = true;
+ // Track the state of characters (if any) we see before our first dot and
+ // after any path separator we find
+ let preDotState = 0;
+ for (let i = path.length - 1; i >= 0; --i) {
+ const 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 format(pathObject: FormatInputPathObject) {
+ 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: string) {
+ assertPath(path);
+
+ let ret = { root: "", dir: "", base: "", ext: "", name: "" } as ParsedPath;
+ if (path.length === 0) return ret;
+ let isAbsolute = path.charCodeAt(0) === CHAR_FORWARD_SLASH;
+ let start: number;
+ if (isAbsolute) {
+ ret.root = "/";
+ start = 1;
+ } else {
+ start = 0;
+ }
+ let startDot = -1;
+ let startPart = 0;
+ let end = -1;
+ let matchedSlash = true;
+ let i = path.length - 1;
+
+ // Track the state of characters (if any) we see before our first dot and
+ // after any path separator we find
+ let preDotState = 0;
+
+ // Get non-dir info
+ for (; i >= start; --i) {
+ const 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;
+
+const module = platform.os === "win" ? win32 : posix;
+
+export const resolve = module.resolve;
+export const normalize = module.normalize;
+export const isAbsolute = module.isAbsolute;
+export const join = module.join;
+export const relative = module.relative;
+export const toNamespacedPath = module.toNamespacedPath;
+export const dirname = module.dirname;
+export const basename = module.basename;
+export const extname = module.extname;
+export const format = module.format;
+export const parse = module.parse;
+export const sep = module.sep;
+export const delimiter = module.delimiter;
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-11 11:35:12 +0000