File: /var/www/design.system/node_modules/@volar/typescript/lib/typescript/path.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.directorySeparator = void 0;
exports.isRootedDiskPath = isRootedDiskPath;
exports.hasExtension = hasExtension;
exports.fileExtensionIsOneOf = fileExtensionIsOneOf;
exports.getDirectoryPath = getDirectoryPath;
exports.combinePaths = combinePaths;
exports.getNormalizedPathComponents = getNormalizedPathComponents;
exports.normalizePath = normalizePath;
exports.removeTrailingDirectorySeparator = removeTrailingDirectorySeparator;
exports.containsPath = containsPath;
const core_1 = require("./core");
/**
* Internally, we represent paths as strings with '/' as the directory separator.
* When we make system calls (eg: LanguageServiceHost.getDirectory()),
* we expect the host to correctly handle paths in our specified format.
*/
exports.directorySeparator = "/";
const altDirectorySeparator = "\\";
const urlSchemeSeparator = "://";
const backslashRegExp = /\\/g;
//// Path Tests
/**
* Determines whether a charCode corresponds to `/` or `\`.
*/
function isAnyDirectorySeparator(charCode) {
return charCode === 47 /* CharacterCodes.slash */ || charCode === 92 /* CharacterCodes.backslash */;
}
/**
* Determines whether a path is an absolute disk path (e.g. starts with `/`, or a dos path
* like `c:`, `c:\` or `c:/`).
*/
function isRootedDiskPath(path) {
return getEncodedRootLength(path) > 0;
}
function hasExtension(fileName) {
return (0, core_1.stringContains)(getBaseFileName(fileName), ".");
}
function fileExtensionIs(path, extension) {
return path.length > extension.length && (0, core_1.endsWith)(path, extension);
}
function fileExtensionIsOneOf(path, extensions) {
for (const extension of extensions) {
if (fileExtensionIs(path, extension)) {
return true;
}
}
return false;
}
/**
* Determines whether a path has a trailing separator (`/` or `\\`).
*/
function hasTrailingDirectorySeparator(path) {
return path.length > 0 && isAnyDirectorySeparator(path.charCodeAt(path.length - 1));
}
//// Path Parsing
function isVolumeCharacter(charCode) {
return (charCode >= 97 /* CharacterCodes.a */ && charCode <= 122 /* CharacterCodes.z */) ||
(charCode >= 65 /* CharacterCodes.A */ && charCode <= 90 /* CharacterCodes.Z */);
}
function getFileUrlVolumeSeparatorEnd(url, start) {
const ch0 = url.charCodeAt(start);
if (ch0 === 58 /* CharacterCodes.colon */) {
return start + 1;
}
if (ch0 === 37 /* CharacterCodes.percent */ && url.charCodeAt(start + 1) === 51 /* CharacterCodes._3 */) {
const ch2 = url.charCodeAt(start + 2);
if (ch2 === 97 /* CharacterCodes.a */ || ch2 === 65 /* CharacterCodes.A */) {
return start + 3;
}
}
return -1;
}
/**
* Returns length of the root part of a path or URL (i.e. length of "/", "x:/", "//server/share/, file:///user/files").
* If the root is part of a URL, the twos-complement of the root length is returned.
*/
function getEncodedRootLength(path) {
if (!path) {
return 0;
}
const ch0 = path.charCodeAt(0);
// POSIX or UNC
if (ch0 === 47 /* CharacterCodes.slash */ || ch0 === 92 /* CharacterCodes.backslash */) {
if (path.charCodeAt(1) !== ch0) {
return 1; // POSIX: "/" (or non-normalized "\")
}
const p1 = path.indexOf(ch0 === 47 /* CharacterCodes.slash */ ? exports.directorySeparator : altDirectorySeparator, 2);
if (p1 < 0) {
return path.length; // UNC: "//server" or "\\server"
}
return p1 + 1; // UNC: "//server/" or "\\server\"
}
// DOS
if (isVolumeCharacter(ch0) && path.charCodeAt(1) === 58 /* CharacterCodes.colon */) {
const ch2 = path.charCodeAt(2);
if (ch2 === 47 /* CharacterCodes.slash */ || ch2 === 92 /* CharacterCodes.backslash */) {
return 3; // DOS: "c:/" or "c:\"
}
if (path.length === 2) {
return 2; // DOS: "c:" (but not "c:d")
}
}
// URL
const schemeEnd = path.indexOf(urlSchemeSeparator);
if (schemeEnd !== -1) {
const authorityStart = schemeEnd + urlSchemeSeparator.length;
const authorityEnd = path.indexOf(exports.directorySeparator, authorityStart);
if (authorityEnd !== -1) { // URL: "file:///", "file://server/", "file://server/path"
// For local "file" URLs, include the leading DOS volume (if present).
// Per https://www.ietf.org/rfc/rfc1738.txt, a host of "" or "localhost" is a
// special case interpreted as "the machine from which the URL is being interpreted".
const scheme = path.slice(0, schemeEnd);
const authority = path.slice(authorityStart, authorityEnd);
if (scheme === "file" && (authority === "" || authority === "localhost") &&
isVolumeCharacter(path.charCodeAt(authorityEnd + 1))) {
const volumeSeparatorEnd = getFileUrlVolumeSeparatorEnd(path, authorityEnd + 2);
if (volumeSeparatorEnd !== -1) {
if (path.charCodeAt(volumeSeparatorEnd) === 47 /* CharacterCodes.slash */) {
// URL: "file:///c:/", "file://localhost/c:/", "file:///c%3a/", "file://localhost/c%3a/"
return ~(volumeSeparatorEnd + 1);
}
if (volumeSeparatorEnd === path.length) {
// URL: "file:///c:", "file://localhost/c:", "file:///c$3a", "file://localhost/c%3a"
// but not "file:///c:d" or "file:///c%3ad"
return ~volumeSeparatorEnd;
}
}
}
return ~(authorityEnd + 1); // URL: "file://server/", "http://server/"
}
return ~path.length; // URL: "file://server", "http://server"
}
// relative
return 0;
}
/**
* Returns length of the root part of a path or URL (i.e. length of "/", "x:/", "//server/share/, file:///user/files").
*
* For example:
* ```ts
* getRootLength("a") === 0 // ""
* getRootLength("/") === 1 // "/"
* getRootLength("c:") === 2 // "c:"
* getRootLength("c:d") === 0 // ""
* getRootLength("c:/") === 3 // "c:/"
* getRootLength("c:\\") === 3 // "c:\\"
* getRootLength("//server") === 7 // "//server"
* getRootLength("//server/share") === 8 // "//server/"
* getRootLength("\\\\server") === 7 // "\\\\server"
* getRootLength("\\\\server\\share") === 8 // "\\\\server\\"
* getRootLength("file:///path") === 8 // "file:///"
* getRootLength("file:///c:") === 10 // "file:///c:"
* getRootLength("file:///c:d") === 8 // "file:///"
* getRootLength("file:///c:/path") === 11 // "file:///c:/"
* getRootLength("file://server") === 13 // "file://server"
* getRootLength("file://server/path") === 14 // "file://server/"
* getRootLength("http://server") === 13 // "http://server"
* getRootLength("http://server/path") === 14 // "http://server/"
* ```
*/
function getRootLength(path) {
const rootLength = getEncodedRootLength(path);
return rootLength < 0 ? ~rootLength : rootLength;
}
function getDirectoryPath(path) {
path = normalizeSlashes(path);
// If the path provided is itself the root, then return it.
const rootLength = getRootLength(path);
if (rootLength === path.length) {
return path;
}
// return the leading portion of the path up to the last (non-terminal) directory separator
// but not including any trailing directory separator.
path = removeTrailingDirectorySeparator(path);
return path.slice(0, Math.max(rootLength, path.lastIndexOf(exports.directorySeparator)));
}
function getBaseFileName(path, extensions, ignoreCase) {
path = normalizeSlashes(path);
// if the path provided is itself the root, then it has not file name.
const rootLength = getRootLength(path);
if (rootLength === path.length) {
return "";
}
// return the trailing portion of the path starting after the last (non-terminal) directory
// separator but not including any trailing directory separator.
path = removeTrailingDirectorySeparator(path);
const name = path.slice(Math.max(getRootLength(path), path.lastIndexOf(exports.directorySeparator) + 1));
const extension = extensions !== undefined && ignoreCase !== undefined ? getAnyExtensionFromPath(name, extensions, ignoreCase) : undefined;
return extension ? name.slice(0, name.length - extension.length) : name;
}
function tryGetExtensionFromPath(path, extension, stringEqualityComparer) {
if (!(0, core_1.startsWith)(extension, ".")) {
extension = "." + extension;
}
if (path.length >= extension.length && path.charCodeAt(path.length - extension.length) === 46 /* CharacterCodes.dot */) {
const pathExtension = path.slice(path.length - extension.length);
if (stringEqualityComparer(pathExtension, extension)) {
return pathExtension;
}
}
}
function getAnyExtensionFromPathWorker(path, extensions, stringEqualityComparer) {
if (typeof extensions === "string") {
return tryGetExtensionFromPath(path, extensions, stringEqualityComparer) || "";
}
for (const extension of extensions) {
const result = tryGetExtensionFromPath(path, extension, stringEqualityComparer);
if (result) {
return result;
}
}
return "";
}
function getAnyExtensionFromPath(path, extensions, ignoreCase) {
// Retrieves any string from the final "." onwards from a base file name.
// Unlike extensionFromPath, which throws an exception on unrecognized extensions.
if (extensions) {
return getAnyExtensionFromPathWorker(removeTrailingDirectorySeparator(path), extensions, ignoreCase ? core_1.equateStringsCaseInsensitive : core_1.equateStringsCaseSensitive);
}
const baseFileName = getBaseFileName(path);
const extensionIndex = baseFileName.lastIndexOf(".");
if (extensionIndex >= 0) {
return baseFileName.substring(extensionIndex);
}
return "";
}
function pathComponents(path, rootLength) {
const root = path.substring(0, rootLength);
const rest = path.substring(rootLength).split(exports.directorySeparator);
if (rest.length && !(0, core_1.lastOrUndefined)(rest)) {
rest.pop();
}
return [root, ...rest];
}
/**
* Parse a path into an array containing a root component (at index 0) and zero or more path
* components (at indices > 0). The result is not normalized.
* If the path is relative, the root component is `""`.
* If the path is absolute, the root component includes the first path separator (`/`).
*
* ```ts
* // POSIX
* getPathComponents("/path/to/file.ext") === ["/", "path", "to", "file.ext"]
* getPathComponents("/path/to/") === ["/", "path", "to"]
* getPathComponents("/") === ["/"]
* // DOS
* getPathComponents("c:/path/to/file.ext") === ["c:/", "path", "to", "file.ext"]
* getPathComponents("c:/path/to/") === ["c:/", "path", "to"]
* getPathComponents("c:/") === ["c:/"]
* getPathComponents("c:") === ["c:"]
* // URL
* getPathComponents("http://typescriptlang.org/path/to/file.ext") === ["http://typescriptlang.org/", "path", "to", "file.ext"]
* getPathComponents("http://typescriptlang.org/path/to/") === ["http://typescriptlang.org/", "path", "to"]
* getPathComponents("http://typescriptlang.org/") === ["http://typescriptlang.org/"]
* getPathComponents("http://typescriptlang.org") === ["http://typescriptlang.org"]
* getPathComponents("file://server/path/to/file.ext") === ["file://server/", "path", "to", "file.ext"]
* getPathComponents("file://server/path/to/") === ["file://server/", "path", "to"]
* getPathComponents("file://server/") === ["file://server/"]
* getPathComponents("file://server") === ["file://server"]
* getPathComponents("file:///path/to/file.ext") === ["file:///", "path", "to", "file.ext"]
* getPathComponents("file:///path/to/") === ["file:///", "path", "to"]
* getPathComponents("file:///") === ["file:///"]
* getPathComponents("file://") === ["file://"]
*/
function getPathComponents(path, currentDirectory = "") {
path = combinePaths(currentDirectory, path);
return pathComponents(path, getRootLength(path));
}
//// Path Formatting
/**
* Formats a parsed path consisting of a root component (at index 0) and zero or more path
* segments (at indices > 0).
*
* ```ts
* getPathFromPathComponents(["/", "path", "to", "file.ext"]) === "/path/to/file.ext"
* ```
*/
function getPathFromPathComponents(pathComponents) {
if (pathComponents.length === 0) {
return "";
}
const root = pathComponents[0] && ensureTrailingDirectorySeparator(pathComponents[0]);
return root + pathComponents.slice(1).join(exports.directorySeparator);
}
//// Path Normalization
/**
* Normalize path separators, converting `\` into `/`.
*/
function normalizeSlashes(path) {
return path.indexOf("\\") !== -1
? path.replace(backslashRegExp, exports.directorySeparator)
: path;
}
/**
* Reduce an array of path components to a more simplified path by navigating any
* `"."` or `".."` entries in the path.
*/
function reducePathComponents(components) {
if (!(0, core_1.some)(components)) {
return [];
}
const reduced = [components[0]];
for (let i = 1; i < components.length; i++) {
const component = components[i];
if (!component) {
continue;
}
if (component === ".") {
continue;
}
if (component === "..") {
if (reduced.length > 1) {
if (reduced[reduced.length - 1] !== "..") {
reduced.pop();
continue;
}
}
else if (reduced[0]) {
continue;
}
}
reduced.push(component);
}
return reduced;
}
/**
* Combines paths. If a path is absolute, it replaces any previous path. Relative paths are not simplified.
*
* ```ts
* // Non-rooted
* combinePaths("path", "to", "file.ext") === "path/to/file.ext"
* combinePaths("path", "dir", "..", "to", "file.ext") === "path/dir/../to/file.ext"
* // POSIX
* combinePaths("/path", "to", "file.ext") === "/path/to/file.ext"
* combinePaths("/path", "/to", "file.ext") === "/to/file.ext"
* // DOS
* combinePaths("c:/path", "to", "file.ext") === "c:/path/to/file.ext"
* combinePaths("c:/path", "c:/to", "file.ext") === "c:/to/file.ext"
* // URL
* combinePaths("file:///path", "to", "file.ext") === "file:///path/to/file.ext"
* combinePaths("file:///path", "file:///to", "file.ext") === "file:///to/file.ext"
* ```
*/
function combinePaths(path, ...paths) {
if (path) {
path = normalizeSlashes(path);
}
for (let relativePath of paths) {
if (!relativePath) {
continue;
}
relativePath = normalizeSlashes(relativePath);
if (!path || getRootLength(relativePath) !== 0) {
path = relativePath;
}
else {
path = ensureTrailingDirectorySeparator(path) + relativePath;
}
}
return path;
}
/**
* Parse a path into an array containing a root component (at index 0) and zero or more path
* components (at indices > 0). The result is normalized.
* If the path is relative, the root component is `""`.
* If the path is absolute, the root component includes the first path separator (`/`).
*
* ```ts
* getNormalizedPathComponents("to/dir/../file.ext", "/path/") === ["/", "path", "to", "file.ext"]
* ```
*/
function getNormalizedPathComponents(path, currentDirectory) {
return reducePathComponents(getPathComponents(path, currentDirectory));
}
function normalizePath(path) {
path = normalizeSlashes(path);
// Most paths don't require normalization
if (!relativePathSegmentRegExp.test(path)) {
return path;
}
// Some paths only require cleanup of `/./` or leading `./`
const simplified = path.replace(/\/\.\//g, "/").replace(/^\.\//, "");
if (simplified !== path) {
path = simplified;
if (!relativePathSegmentRegExp.test(path)) {
return path;
}
}
// Other paths require full normalization
const normalized = getPathFromPathComponents(reducePathComponents(getPathComponents(path)));
return normalized && hasTrailingDirectorySeparator(path) ? ensureTrailingDirectorySeparator(normalized) : normalized;
}
function removeTrailingDirectorySeparator(path) {
if (hasTrailingDirectorySeparator(path)) {
return path.substr(0, path.length - 1);
}
return path;
}
function ensureTrailingDirectorySeparator(path) {
if (!hasTrailingDirectorySeparator(path)) {
return path + exports.directorySeparator;
}
return path;
}
//// Path Comparisons
// check path for these segments: '', '.'. '..'
const relativePathSegmentRegExp = /(?:\/\/)|(?:^|\/)\.\.?(?:$|\/)/;
function containsPath(parent, child, currentDirectory, ignoreCase) {
if (typeof currentDirectory === "string") {
parent = combinePaths(currentDirectory, parent);
child = combinePaths(currentDirectory, child);
}
else if (typeof currentDirectory === "boolean") {
ignoreCase = currentDirectory;
}
if (parent === undefined || child === undefined) {
return false;
}
if (parent === child) {
return true;
}
const parentComponents = reducePathComponents(getPathComponents(parent));
const childComponents = reducePathComponents(getPathComponents(child));
if (childComponents.length < parentComponents.length) {
return false;
}
const componentEqualityComparer = ignoreCase ? core_1.equateStringsCaseInsensitive : core_1.equateStringsCaseSensitive;
for (let i = 0; i < parentComponents.length; i++) {
const equalityComparer = i === 0 ? core_1.equateStringsCaseInsensitive : componentEqualityComparer;
if (!equalityComparer(parentComponents[i], childComponents[i])) {
return false;
}
}
return true;
}
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