470 lines
13 KiB
JavaScript
470 lines
13 KiB
JavaScript
'use strict';
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var adapter = require('../environment/adapter.js');
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"use strict";
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function assertPath(path2) {
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if (typeof path2 !== "string") {
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throw new TypeError(`Path must be a string. Received ${JSON.stringify(path2)}`);
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}
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}
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function removeUrlParams(url) {
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const re = url.split("?")[0];
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return re.split("#")[0];
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}
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function escapeRegExp(string) {
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return string.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
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}
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function replaceAll(str, find, replace) {
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return str.replace(new RegExp(escapeRegExp(find), "g"), replace);
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}
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function normalizeStringPosix(path2, allowAboveRoot) {
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let res = "";
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let lastSegmentLength = 0;
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let lastSlash = -1;
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let dots = 0;
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let code = -1;
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for (let i = 0; i <= path2.length; ++i) {
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if (i < path2.length) {
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code = path2.charCodeAt(i);
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} else if (code === 47) {
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break;
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} else {
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code = 47;
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}
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if (code === 47) {
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if (lastSlash === i - 1 || dots === 1) {
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} else if (lastSlash !== i - 1 && dots === 2) {
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if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== 46 || res.charCodeAt(res.length - 2) !== 46) {
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if (res.length > 2) {
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const lastSlashIndex = res.lastIndexOf("/");
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if (lastSlashIndex !== res.length - 1) {
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if (lastSlashIndex === -1) {
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res = "";
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lastSegmentLength = 0;
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} else {
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res = res.slice(0, lastSlashIndex);
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lastSegmentLength = res.length - 1 - res.lastIndexOf("/");
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}
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lastSlash = i;
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dots = 0;
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continue;
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}
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} else if (res.length === 2 || res.length === 1) {
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res = "";
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lastSegmentLength = 0;
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lastSlash = i;
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dots = 0;
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continue;
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}
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}
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if (allowAboveRoot) {
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if (res.length > 0) {
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res += "/..";
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} else {
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res = "..";
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}
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lastSegmentLength = 2;
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}
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} else {
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if (res.length > 0) {
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res += `/${path2.slice(lastSlash + 1, i)}`;
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} else {
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res = path2.slice(lastSlash + 1, i);
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}
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lastSegmentLength = i - lastSlash - 1;
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}
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lastSlash = i;
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dots = 0;
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} else if (code === 46 && dots !== -1) {
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++dots;
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} else {
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dots = -1;
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}
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}
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return res;
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}
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const path = {
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/**
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* Converts a path to posix format.
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* @param path - The path to convert to posix
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*/
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toPosix(path2) {
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return replaceAll(path2, "\\", "/");
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},
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/**
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* Checks if the path is a URL e.g. http://, https://
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* @param path - The path to check
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*/
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isUrl(path2) {
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return /^https?:/.test(this.toPosix(path2));
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},
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/**
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* Checks if the path is a data URL
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* @param path - The path to check
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*/
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isDataUrl(path2) {
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return /^data:([a-z]+\/[a-z0-9-+.]+(;[a-z0-9-.!#$%*+.{}|~`]+=[a-z0-9-.!#$%*+.{}()_|~`]+)*)?(;base64)?,([a-z0-9!$&',()*+;=\-._~:@\/?%\s<>]*?)$/i.test(path2);
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},
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/**
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* Checks if the path is a blob URL
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* @param path - The path to check
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*/
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isBlobUrl(path2) {
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return path2.startsWith("blob:");
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},
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/**
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* Checks if the path has a protocol e.g. http://, https://, file:///, data:, blob:, C:/
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* This will return true for windows file paths
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* @param path - The path to check
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*/
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hasProtocol(path2) {
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return /^[^/:]+:/.test(this.toPosix(path2));
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},
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/**
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* Returns the protocol of the path e.g. http://, https://, file:///, data:, blob:, C:/
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* @param path - The path to get the protocol from
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*/
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getProtocol(path2) {
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assertPath(path2);
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path2 = this.toPosix(path2);
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const matchFile = /^file:\/\/\//.exec(path2);
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if (matchFile) {
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return matchFile[0];
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}
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const matchProtocol = /^[^/:]+:\/{0,2}/.exec(path2);
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if (matchProtocol) {
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return matchProtocol[0];
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}
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return "";
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},
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/**
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* Converts URL to an absolute path.
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* When loading from a Web Worker, we must use absolute paths.
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* If the URL is already absolute we return it as is
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* If it's not, we convert it
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* @param url - The URL to test
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* @param customBaseUrl - The base URL to use
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* @param customRootUrl - The root URL to use
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*/
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toAbsolute(url, customBaseUrl, customRootUrl) {
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assertPath(url);
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if (this.isDataUrl(url) || this.isBlobUrl(url))
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return url;
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const baseUrl = removeUrlParams(this.toPosix(customBaseUrl ?? adapter.DOMAdapter.get().getBaseUrl()));
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const rootUrl = removeUrlParams(this.toPosix(customRootUrl ?? this.rootname(baseUrl)));
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url = this.toPosix(url);
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if (url.startsWith("/")) {
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return path.join(rootUrl, url.slice(1));
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}
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const absolutePath = this.isAbsolute(url) ? url : this.join(baseUrl, url);
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return absolutePath;
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},
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/**
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* Normalizes the given path, resolving '..' and '.' segments
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* @param path - The path to normalize
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*/
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normalize(path2) {
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assertPath(path2);
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if (path2.length === 0)
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return ".";
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if (this.isDataUrl(path2) || this.isBlobUrl(path2))
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return path2;
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path2 = this.toPosix(path2);
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let protocol = "";
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const isAbsolute = path2.startsWith("/");
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if (this.hasProtocol(path2)) {
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protocol = this.rootname(path2);
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path2 = path2.slice(protocol.length);
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}
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const trailingSeparator = path2.endsWith("/");
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path2 = normalizeStringPosix(path2, false);
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if (path2.length > 0 && trailingSeparator)
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path2 += "/";
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if (isAbsolute)
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return `/${path2}`;
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return protocol + path2;
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},
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/**
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* Determines if path is an absolute path.
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* Absolute paths can be urls, data urls, or paths on disk
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* @param path - The path to test
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*/
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isAbsolute(path2) {
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assertPath(path2);
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path2 = this.toPosix(path2);
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if (this.hasProtocol(path2))
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return true;
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return path2.startsWith("/");
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},
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/**
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* Joins all given path segments together using the platform-specific separator as a delimiter,
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* then normalizes the resulting path
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* @param segments - The segments of the path to join
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*/
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join(...segments) {
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if (segments.length === 0) {
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return ".";
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}
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let joined;
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for (let i = 0; i < segments.length; ++i) {
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const arg = segments[i];
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assertPath(arg);
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if (arg.length > 0) {
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if (joined === void 0)
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joined = arg;
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else {
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const prevArg = segments[i - 1] ?? "";
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if (this.joinExtensions.includes(this.extname(prevArg).toLowerCase())) {
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joined += `/../${arg}`;
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} else {
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joined += `/${arg}`;
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}
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}
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}
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}
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if (joined === void 0) {
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return ".";
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}
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return this.normalize(joined);
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},
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/**
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* Returns the directory name of a path
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* @param path - The path to parse
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*/
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dirname(path2) {
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assertPath(path2);
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if (path2.length === 0)
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return ".";
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path2 = this.toPosix(path2);
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let code = path2.charCodeAt(0);
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const hasRoot = code === 47;
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let end = -1;
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let matchedSlash = true;
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const proto = this.getProtocol(path2);
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const origpath = path2;
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path2 = path2.slice(proto.length);
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for (let i = path2.length - 1; i >= 1; --i) {
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code = path2.charCodeAt(i);
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if (code === 47) {
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if (!matchedSlash) {
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end = i;
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break;
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}
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} else {
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matchedSlash = false;
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}
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}
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if (end === -1)
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return hasRoot ? "/" : this.isUrl(origpath) ? proto + path2 : proto;
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if (hasRoot && end === 1)
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return "//";
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return proto + path2.slice(0, end);
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},
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/**
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* Returns the root of the path e.g. /, C:/, file:///, http://domain.com/
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* @param path - The path to parse
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*/
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rootname(path2) {
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assertPath(path2);
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path2 = this.toPosix(path2);
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let root = "";
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if (path2.startsWith("/"))
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root = "/";
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else {
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root = this.getProtocol(path2);
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}
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if (this.isUrl(path2)) {
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const index = path2.indexOf("/", root.length);
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if (index !== -1) {
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root = path2.slice(0, index);
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} else
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root = path2;
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if (!root.endsWith("/"))
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root += "/";
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}
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return root;
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},
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/**
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* Returns the last portion of a path
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* @param path - The path to test
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* @param ext - Optional extension to remove
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*/
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basename(path2, ext) {
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assertPath(path2);
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if (ext)
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assertPath(ext);
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path2 = removeUrlParams(this.toPosix(path2));
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let start = 0;
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let end = -1;
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let matchedSlash = true;
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let i;
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if (ext !== void 0 && ext.length > 0 && ext.length <= path2.length) {
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if (ext.length === path2.length && ext === path2)
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return "";
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let extIdx = ext.length - 1;
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let firstNonSlashEnd = -1;
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for (i = path2.length - 1; i >= 0; --i) {
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const code = path2.charCodeAt(i);
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if (code === 47) {
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if (!matchedSlash) {
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start = i + 1;
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break;
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}
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} else {
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if (firstNonSlashEnd === -1) {
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matchedSlash = false;
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firstNonSlashEnd = i + 1;
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}
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if (extIdx >= 0) {
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if (code === ext.charCodeAt(extIdx)) {
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if (--extIdx === -1) {
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end = i;
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}
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} else {
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extIdx = -1;
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end = firstNonSlashEnd;
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}
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}
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}
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}
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if (start === end)
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end = firstNonSlashEnd;
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else if (end === -1)
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end = path2.length;
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return path2.slice(start, end);
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}
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for (i = path2.length - 1; i >= 0; --i) {
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if (path2.charCodeAt(i) === 47) {
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if (!matchedSlash) {
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start = i + 1;
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break;
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}
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} else if (end === -1) {
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matchedSlash = false;
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end = i + 1;
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}
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}
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if (end === -1)
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return "";
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return path2.slice(start, end);
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},
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/**
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* Returns the extension of the path, from the last occurrence of the . (period) character to end of string in the last
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* portion of the path. If there is no . in the last portion of the path, or if there are no . characters other than
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* the first character of the basename of path, an empty string is returned.
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* @param path - The path to parse
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*/
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extname(path2) {
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assertPath(path2);
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path2 = removeUrlParams(this.toPosix(path2));
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let startDot = -1;
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let startPart = 0;
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let end = -1;
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let matchedSlash = true;
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let preDotState = 0;
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for (let i = path2.length - 1; i >= 0; --i) {
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const code = path2.charCodeAt(i);
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if (code === 47) {
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if (!matchedSlash) {
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startPart = i + 1;
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break;
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}
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continue;
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}
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if (end === -1) {
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matchedSlash = false;
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end = i + 1;
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}
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if (code === 46) {
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if (startDot === -1)
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startDot = i;
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else if (preDotState !== 1)
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preDotState = 1;
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} else if (startDot !== -1) {
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preDotState = -1;
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}
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}
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if (startDot === -1 || end === -1 || preDotState === 0 || preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
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return "";
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}
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return path2.slice(startDot, end);
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},
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/**
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* Parses a path into an object containing the 'root', `dir`, `base`, `ext`, and `name` properties.
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* @param path - The path to parse
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*/
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parse(path2) {
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assertPath(path2);
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const ret = { root: "", dir: "", base: "", ext: "", name: "" };
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if (path2.length === 0)
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return ret;
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path2 = removeUrlParams(this.toPosix(path2));
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let code = path2.charCodeAt(0);
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const isAbsolute = this.isAbsolute(path2);
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let start;
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const protocol = "";
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ret.root = this.rootname(path2);
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if (isAbsolute || this.hasProtocol(path2)) {
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start = 1;
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} else {
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start = 0;
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}
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let startDot = -1;
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let startPart = 0;
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let end = -1;
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let matchedSlash = true;
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let i = path2.length - 1;
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let preDotState = 0;
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for (; i >= start; --i) {
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code = path2.charCodeAt(i);
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if (code === 47) {
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if (!matchedSlash) {
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startPart = i + 1;
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break;
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}
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continue;
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}
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if (end === -1) {
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matchedSlash = false;
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end = i + 1;
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}
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if (code === 46) {
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if (startDot === -1)
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startDot = i;
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else if (preDotState !== 1)
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preDotState = 1;
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} else if (startDot !== -1) {
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preDotState = -1;
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}
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}
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if (startDot === -1 || end === -1 || preDotState === 0 || preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
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if (end !== -1) {
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if (startPart === 0 && isAbsolute)
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ret.base = ret.name = path2.slice(1, end);
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else
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ret.base = ret.name = path2.slice(startPart, end);
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}
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} else {
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if (startPart === 0 && isAbsolute) {
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ret.name = path2.slice(1, startDot);
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ret.base = path2.slice(1, end);
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} else {
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ret.name = path2.slice(startPart, startDot);
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ret.base = path2.slice(startPart, end);
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}
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ret.ext = path2.slice(startDot, end);
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}
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ret.dir = this.dirname(path2);
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if (protocol)
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ret.dir = protocol + ret.dir;
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return ret;
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},
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sep: "/",
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delimiter: ":",
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joinExtensions: [".html"]
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};
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exports.path = path;
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//# sourceMappingURL=path.js.map
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