1 files changed, 403 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/sharing/utils.js b/node_modules/webpack/lib/sharing/utils.js
new file mode 100644
index 00000000..b415df31
--- /dev/null
+++ b/node_modules/webpack/lib/sharing/utils.js
@@ -0,0 +1,403 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { join, dirname, readJson } = require("../util/fs");
+
+/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
+
+// Extreme shorthand only for github. eg: foo/bar
+const RE_URL_GITHUB_EXTREME_SHORT = /^[^/@:.\s][^/@:\s]*\/[^@:\s]*[^/@:\s]#\S+/;
+
+// Short url with specific protocol. eg: github:foo/bar
+const RE_GIT_URL_SHORT = /^(github|gitlab|bitbucket|gist):\/?[^/.]+\/?/i;
+
+// Currently supported protocols
+const RE_PROTOCOL =
+	/^((git\+)?(ssh|https?|file)|git|github|gitlab|bitbucket|gist):$/i;
+
+// Has custom protocol
+const RE_CUSTOM_PROTOCOL = /^((git\+)?(ssh|https?|file)|git):\/\//i;
+
+// Valid hash format for npm / yarn ...
+const RE_URL_HASH_VERSION = /#(?:semver:)?(.+)/;
+
+// Simple hostname validate
+const RE_HOSTNAME = /^(?:[^/.]+(\.[^/]+)+|localhost)$/;
+
+// For hostname with colon. eg: ssh://user@github.com:foo/bar
+const RE_HOSTNAME_WITH_COLON =
+	/([^/@#:.]+(?:\.[^/@#:.]+)+|localhost):([^#/0-9]+)/;
+
+// Reg for url without protocol
+const RE_NO_PROTOCOL = /^([^/@#:.]+(?:\.[^/@#:.]+)+)/;
+
+// RegExp for version string
+const VERSION_PATTERN_REGEXP = /^([\d^=v<>~]|[*xX]$)/;
+
+// Specific protocol for short url without normal hostname
+const PROTOCOLS_FOR_SHORT = [
+	"github:",
+	"gitlab:",
+	"bitbucket:",
+	"gist:",
+	"file:"
+];
+
+// Default protocol for git url
+const DEF_GIT_PROTOCOL = "git+ssh://";
+
+// thanks to https://github.com/npm/hosted-git-info/blob/latest/git-host-info.js
+const extractCommithashByDomain = {
+	/**
+	 * @param {string} pathname pathname
+	 * @param {string} hash hash
+	 * @returns {string | undefined} hash
+	 */
+	"github.com": (pathname, hash) => {
+		let [, user, project, type, commithash] = pathname.split("/", 5);
+		if (type && type !== "tree") {
+			return;
+		}
+
+		if (!type) {
+			commithash = hash;
+		} else {
+			commithash = "#" + commithash;
+		}
+
+		if (project && project.endsWith(".git")) {
+			project = project.slice(0, -4);
+		}
+
+		if (!user || !project) {
+			return;
+		}
+
+		return commithash;
+	},
+	/**
+	 * @param {string} pathname pathname
+	 * @param {string} hash hash
+	 * @returns {string | undefined} hash
+	 */
+	"gitlab.com": (pathname, hash) => {
+		const path = pathname.slice(1);
+		if (path.includes("/-/") || path.includes("/archive.tar.gz")) {
+			return;
+		}
+
+		const segments = path.split("/");
+		let project = /** @type {string} */ (segments.pop());
+		if (project.endsWith(".git")) {
+			project = project.slice(0, -4);
+		}
+
+		const user = segments.join("/");
+		if (!user || !project) {
+			return;
+		}
+
+		return hash;
+	},
+	/**
+	 * @param {string} pathname pathname
+	 * @param {string} hash hash
+	 * @returns {string | undefined} hash
+	 */
+	"bitbucket.org": (pathname, hash) => {
+		let [, user, project, aux] = pathname.split("/", 4);
+		if (["get"].includes(aux)) {
+			return;
+		}
+
+		if (project && project.endsWith(".git")) {
+			project = project.slice(0, -4);
+		}
+
+		if (!user || !project) {
+			return;
+		}
+
+		return hash;
+	},
+	/**
+	 * @param {string} pathname pathname
+	 * @param {string} hash hash
+	 * @returns {string | undefined} hash
+	 */
+	"gist.github.com": (pathname, hash) => {
+		let [, user, project, aux] = pathname.split("/", 4);
+		if (aux === "raw") {
+			return;
+		}
+
+		if (!project) {
+			if (!user) {
+				return;
+			}
+
+			project = user;
+		}
+
+		if (project.endsWith(".git")) {
+			project = project.slice(0, -4);
+		}
+
+		return hash;
+	}
+};
+
+/**
+ * extract commit hash from parsed url
+ *
+ * @inner
+ * @param {URL} urlParsed parsed url
+ * @returns {string} commithash
+ */
+function getCommithash(urlParsed) {
+	let { hostname, pathname, hash } = urlParsed;
+	hostname = hostname.replace(/^www\./, "");
+
+	try {
+		hash = decodeURIComponent(hash);
+		// eslint-disable-next-line no-empty
+	} catch (e) {}
+
+	if (
+		extractCommithashByDomain[
+			/** @type {keyof extractCommithashByDomain} */ (hostname)
+		]
+	) {
+		return (
+			extractCommithashByDomain[
+				/** @type {keyof extractCommithashByDomain} */ (hostname)
+			](pathname, hash) || ""
+		);
+	}
+
+	return hash;
+}
+
+/**
+ * make url right for URL parse
+ *
+ * @inner
+ * @param {string} gitUrl git url
+ * @returns {string} fixed url
+ */
+function correctUrl(gitUrl) {
+	// like:
+	// proto://hostname.com:user/repo -> proto://hostname.com/user/repo
+	return gitUrl.replace(RE_HOSTNAME_WITH_COLON, "$1/$2");
+}
+
+/**
+ * make url protocol right for URL parse
+ *
+ * @inner
+ * @param {string} gitUrl git url
+ * @returns {string} fixed url
+ */
+function correctProtocol(gitUrl) {
+	// eg: github:foo/bar#v1.0. Should not add double slash, in case of error parsed `pathname`
+	if (RE_GIT_URL_SHORT.test(gitUrl)) {
+		return gitUrl;
+	}
+
+	// eg: user@github.com:foo/bar
+	if (!RE_CUSTOM_PROTOCOL.test(gitUrl)) {
+		return `${DEF_GIT_PROTOCOL}${gitUrl}`;
+	}
+
+	return gitUrl;
+}
+
+/**
+ * extract git dep version from hash
+ *
+ * @inner
+ * @param {string} hash hash
+ * @returns {string} git dep version
+ */
+function getVersionFromHash(hash) {
+	const matched = hash.match(RE_URL_HASH_VERSION);
+
+	return (matched && matched[1]) || "";
+}
+
+/**
+ * if string can be decoded
+ *
+ * @inner
+ * @param {string} str str to be checked
+ * @returns {boolean} if can be decoded
+ */
+function canBeDecoded(str) {
+	try {
+		decodeURIComponent(str);
+	} catch (e) {
+		return false;
+	}
+
+	return true;
+}
+
+/**
+ * get right dep version from git url
+ *
+ * @inner
+ * @param {string} gitUrl git url
+ * @returns {string} dep version
+ */
+function getGitUrlVersion(gitUrl) {
+	let oriGitUrl = gitUrl;
+	// github extreme shorthand
+	if (RE_URL_GITHUB_EXTREME_SHORT.test(gitUrl)) {
+		gitUrl = "github:" + gitUrl;
+	} else {
+		gitUrl = correctProtocol(gitUrl);
+	}
+
+	gitUrl = correctUrl(gitUrl);
+
+	let parsed;
+	try {
+		parsed = new URL(gitUrl);
+		// eslint-disable-next-line no-empty
+	} catch (e) {}
+
+	if (!parsed) {
+		return "";
+	}
+
+	const { protocol, hostname, pathname, username, password } = parsed;
+	if (!RE_PROTOCOL.test(protocol)) {
+		return "";
+	}
+
+	// pathname shouldn't be empty or URL malformed
+	if (!pathname || !canBeDecoded(pathname)) {
+		return "";
+	}
+
+	// without protocol, there should have auth info
+	if (RE_NO_PROTOCOL.test(oriGitUrl) && !username && !password) {
+		return "";
+	}
+
+	if (!PROTOCOLS_FOR_SHORT.includes(protocol.toLowerCase())) {
+		if (!RE_HOSTNAME.test(hostname)) {
+			return "";
+		}
+
+		const commithash = getCommithash(parsed);
+		return getVersionFromHash(commithash) || commithash;
+	}
+
+	// for protocol short
+	return getVersionFromHash(gitUrl);
+}
+
+/**
+ * @param {string} str maybe required version
+ * @returns {boolean} true, if it looks like a version
+ */
+function isRequiredVersion(str) {
+	return VERSION_PATTERN_REGEXP.test(str);
+}
+
+exports.isRequiredVersion = isRequiredVersion;
+
+/**
+ * @see https://docs.npmjs.com/cli/v7/configuring-npm/package-json#urls-as-dependencies
+ * @param {string} versionDesc version to be normalized
+ * @returns {string} normalized version
+ */
+function normalizeVersion(versionDesc) {
+	versionDesc = (versionDesc && versionDesc.trim()) || "";
+
+	if (isRequiredVersion(versionDesc)) {
+		return versionDesc;
+	}
+
+	// add handle for URL Dependencies
+	return getGitUrlVersion(versionDesc.toLowerCase());
+}
+
+exports.normalizeVersion = normalizeVersion;
+
+/**
+ *
+ * @param {InputFileSystem} fs file system
+ * @param {string} directory directory to start looking into
+ * @param {string[]} descriptionFiles possible description filenames
+ * @param {function((Error | null)=, {data: object, path: string}=): void} callback callback
+ */
+const getDescriptionFile = (fs, directory, descriptionFiles, callback) => {
+	let i = 0;
+	const tryLoadCurrent = () => {
+		if (i >= descriptionFiles.length) {
+			const parentDirectory = dirname(fs, directory);
+			if (!parentDirectory || parentDirectory === directory) return callback();
+			return getDescriptionFile(
+				fs,
+				parentDirectory,
+				descriptionFiles,
+				callback
+			);
+		}
+		const filePath = join(fs, directory, descriptionFiles[i]);
+		readJson(fs, filePath, (err, data) => {
+			if (err) {
+				if ("code" in err && err.code === "ENOENT") {
+					i++;
+					return tryLoadCurrent();
+				}
+				return callback(err);
+			}
+			if (!data || typeof data !== "object" || Array.isArray(data)) {
+				return callback(
+					new Error(`Description file ${filePath} is not an object`)
+				);
+			}
+			callback(null, { data, path: filePath });
+		});
+	};
+	tryLoadCurrent();
+};
+exports.getDescriptionFile = getDescriptionFile;
+
+exports.getRequiredVersionFromDescriptionFile = (data, packageName) => {
+	if (
+		data.optionalDependencies &&
+		typeof data.optionalDependencies === "object" &&
+		packageName in data.optionalDependencies
+	) {
+		return normalizeVersion(data.optionalDependencies[packageName]);
+	}
+	if (
+		data.dependencies &&
+		typeof data.dependencies === "object" &&
+		packageName in data.dependencies
+	) {
+		return normalizeVersion(data.dependencies[packageName]);
+	}
+	if (
+		data.peerDependencies &&
+		typeof data.peerDependencies === "object" &&
+		packageName in data.peerDependencies
+	) {
+		return normalizeVersion(data.peerDependencies[packageName]);
+	}
+	if (
+		data.devDependencies &&
+		typeof data.devDependencies === "object" &&
+		packageName in data.devDependencies
+	) {
+		return normalizeVersion(data.devDependencies[packageName]);
+	}
+};