From a2c3eff622166e7a54b54d63ca7c7e572e469cb2 Mon Sep 17 00:00:00 2001
From: MiaoWoo <admin@yumc.pw>
Date: Tue, 31 Mar 2020 14:51:44 +0800
Subject: [PATCH] feat: add new nodejs modules

Signed-off-by: MiaoWoo <admin@yumc.pw>
---
 packages/nodejs/src/fs/index.ts               | 101 +++
 packages/nodejs/src/index.ts                  |  52 +-
 packages/nodejs/src/path/index.ts             | 626 +++++++++++++++
 packages/nodejs/src/querystring/decode.ts     |  81 ++
 packages/nodejs/src/querystring/encode.ts     |  64 ++
 packages/nodejs/src/querystring/index.ts      |   4 +
 packages/nodejs/src/url/index.ts              | 747 ++++++++++++++++++
 packages/nodejs/src/util/index.ts             | 727 +++++++++++++++++
 packages/nodejs/src/util/support/isBuffer.ts  |   3 +
 .../src/util/support/isBufferBrowser.ts       |   6 +
 packages/nodejs/src/util/support/types.ts     | 424 ++++++++++
 11 files changed, 2784 insertions(+), 51 deletions(-)
 create mode 100644 packages/nodejs/src/fs/index.ts
 create mode 100644 packages/nodejs/src/path/index.ts
 create mode 100644 packages/nodejs/src/querystring/decode.ts
 create mode 100644 packages/nodejs/src/querystring/encode.ts
 create mode 100644 packages/nodejs/src/querystring/index.ts
 create mode 100644 packages/nodejs/src/url/index.ts
 create mode 100644 packages/nodejs/src/util/index.ts
 create mode 100644 packages/nodejs/src/util/support/isBuffer.ts
 create mode 100644 packages/nodejs/src/util/support/isBufferBrowser.ts
 create mode 100644 packages/nodejs/src/util/support/types.ts

diff --git a/packages/nodejs/src/fs/index.ts b/packages/nodejs/src/fs/index.ts
new file mode 100644
index 00000000..9608a5c0
--- /dev/null
+++ b/packages/nodejs/src/fs/index.ts
@@ -0,0 +1,101 @@
+import '@ms/nashorn'
+import { URL } from "url";
+
+const Path = Java.type("java.nio.file.Path");
+const JavaString = Java.type("java.lang.String");
+const File = Java.type("java.io.File");
+const Files = Java.type("java.nio.file.Files");
+const Collector = Java.type("java.util.stream.Collector")
+const separatorChar = File.separatorChar;
+const StandardCopyOption = Java.type("java.nio.file.StandardCopyOption");
+
+/**
+ * Valid types for path values in "fs".
+ */
+type PathLike = string | Buffer | URL;
+
+function javaFile(...opts: any[]) {
+    if (!opts[0]) {
+        console.warn("文件名称不得为 undefined 或者 null !");
+    }
+    switch (opts.length) {
+        case 1:
+            var f = opts[0];
+            if (f instanceof File) {
+                return f;
+            }
+            if (typeof f === "string") {
+                return new File(f);
+            }
+            if (f instanceof Path) {
+                return f.toFile();
+            }
+            break;
+        default:
+            return new File(javaFile(opts[0]), opts[1]);
+    }
+}
+
+export function renameSync(oldPath: PathLike, newPath: PathLike): void {
+
+}
+export function truncateSync() {
+
+}
+export function chownSync() {
+
+}
+export function chmodSync() {
+
+}
+export function statSync() {
+
+}
+export function symlinkSync() {
+
+}
+export function readlinkSync() {
+
+}
+export function realpathSync() {
+
+}
+export function unlinkSync() {
+
+}
+export function rmdirSync() {
+
+}
+export function mkdirSync() {
+
+}
+export function mkdtempSync() {
+
+}
+export function readdirSync() {
+
+}
+export function readFileSync() {
+
+}
+export function writeFileSync() {
+
+}
+export function appendFileSync() {
+
+}
+export function watchFile() {
+
+}
+export function unwatchFile() {
+
+}
+export function existsSync() {
+
+}
+export function accessSync() {
+
+}
+export function copyFileSync() {
+
+}
\ No newline at end of file
diff --git a/packages/nodejs/src/index.ts b/packages/nodejs/src/index.ts
index 5b44ede5..3deda804 100644
--- a/packages/nodejs/src/index.ts
+++ b/packages/nodejs/src/index.ts
@@ -1,51 +1 @@
-/// <reference types="@ms/nashorn" />
-import * as yaml from 'js-yaml'
-
-const File = Java.type("java.io.File");
-const separatorChar = File.separatorChar;
-
-let langMap = {};
-let fallbackMap = {};
-
-type TranslateParam = { [key: string]: any }
-
-function translate(name: string, param?: TranslateParam) {
-    let langText: string = langMap[name] || fallbackMap[name];
-    if (!langText) { return '[WARN] @ms/i18n miss lang translate: ' + name }
-    for (const key in param) {
-        langText = langText.replace("{" + key + "}", param[key])
-    }
-    return langText;
-}
-
-function initialize(lang: string = 'zh_cn', fallback: string = 'zh_cn') {
-    langMap = readYamlFile(root, lang) || readYamlFile(concat(__dirname, '..'), lang)
-    fallbackMap = readYamlFile(root, fallback) || readYamlFile(concat(__dirname, '..'), fallback)
-    console.i18n = function i18n(name: string, param?: TranslateParam) {
-        console.log(translate(name, param))
-    }
-}
-
-function readYamlFile(dir: string, name: string) {
-    let langFile = concat(dir, 'languages', name + '.yml');
-    return exists(langFile) && yaml.safeLoad(base.read(langFile))
-}
-
-function concat(...args: string[]) {
-    return args.join(separatorChar)
-}
-
-function exists(path: string) {
-    return new File(path).exists()
-}
-
-declare global {
-    interface Console {
-        i18n(name: string, param?: TranslateParam);
-    }
-}
-
-export default {
-    initialize,
-    translate
-};
+export { }
\ No newline at end of file
diff --git a/packages/nodejs/src/path/index.ts b/packages/nodejs/src/path/index.ts
new file mode 100644
index 00000000..de86d66c
--- /dev/null
+++ b/packages/nodejs/src/path/index.ts
@@ -0,0 +1,626 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+// @ts-ignore
+var isWindows = java.lang.System.getProperties().getProperty("os.name").toUpperCase().indexOf("WINDOWS") != -1;
+// @ts-ignore
+var util = require('util');
+
+// resolves . and .. elements in a path array with directory names there
+// must be no slashes or device names (c:\) in the array
+// (so also no leading and trailing slashes - it does not distinguish
+// relative and absolute paths)
+function normalizeArray(parts, allowAboveRoot) {
+    var res = [];
+    for (var i = 0; i < parts.length; i++) {
+        var p = parts[i];
+
+        // ignore empty parts
+        if (!p || p === '.')
+            continue;
+
+        if (p === '..') {
+            if (res.length && res[res.length - 1] !== '..') {
+                res.pop();
+            } else if (allowAboveRoot) {
+                res.push('..');
+            }
+        } else {
+            res.push(p);
+        }
+    }
+
+    return res;
+}
+
+// returns an array with empty elements removed from either end of the input
+// array or the original array if no elements need to be removed
+function trimArray(arr) {
+    var lastIndex = arr.length - 1;
+    var start = 0;
+    for (; start <= lastIndex; start++) {
+        if (arr[start])
+            break;
+    }
+
+    var end = lastIndex;
+    for (; end >= 0; end--) {
+        if (arr[end])
+            break;
+    }
+
+    if (start === 0 && end === lastIndex)
+        return arr;
+    if (start > end)
+        return [];
+    return arr.slice(start, end + 1);
+}
+
+// Regex to split a windows path into three parts: [*, device, slash,
+// tail] windows-only
+var splitDeviceRe =
+    /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
+
+// Regex to split the tail part of the above into [*, dir, basename, ext]
+var splitTailRe =
+    /^([\s\S]*?)((?:\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))(?:[\\\/]*)$/;
+
+var win32: any = {};
+
+// Function to split a filename into [root, dir, basename, ext]
+function win32SplitPath(filename) {
+    // Separate device+slash from tail
+    var result = splitDeviceRe.exec(filename),
+        device = (result[1] || '') + (result[2] || ''),
+        tail = result[3] || '';
+    // Split the tail into dir, basename and extension
+    var result2 = splitTailRe.exec(tail),
+        dir = result2[1],
+        basename = result2[2],
+        ext = result2[3];
+    return [device, dir, basename, ext];
+}
+
+function win32StatPath(path) {
+    var result = splitDeviceRe.exec(path),
+        device = result[1] || '',
+        isUnc = !!device && device[1] !== ':';
+    return {
+        device: device,
+        isUnc: isUnc,
+        isAbsolute: isUnc || !!result[2], // UNC paths are always absolute
+        tail: result[3]
+    };
+}
+
+function normalizeUNCRoot(device) {
+    return '\\\\' + device.replace(/^[\\\/]+/, '').replace(/[\\\/]+/g, '\\');
+}
+
+// path.resolve([from ...], to)
+win32.resolve = function () {
+    var resolvedDevice = '',
+        resolvedTail = '',
+        resolvedAbsolute = false;
+
+    for (var i = arguments.length - 1; i >= -1; i--) {
+        var path;
+        if (i >= 0) {
+            path = arguments[i];
+        } else if (!resolvedDevice) {
+            path = process.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. We're sure the device is not
+            // an unc path at this points, because unc paths are always absolute.
+            path = process.env['=' + resolvedDevice];
+            // Verify that a drive-local cwd was found and that it actually points
+            // to our drive. If not, default to the drive's root.
+            if (!path || path.substr(0, 3).toLowerCase() !==
+                resolvedDevice.toLowerCase() + '\\') {
+                path = resolvedDevice + '\\';
+            }
+        }
+
+        // Skip empty and invalid entries
+        if (!util.isString(path)) {
+            throw new TypeError('Arguments to path.resolve must be strings');
+        } else if (!path) {
+            continue;
+        }
+
+        var result = win32StatPath(path),
+            device = result.device,
+            isUnc = result.isUnc,
+            isAbsolute = result.isAbsolute,
+            tail = result.tail;
+
+        if (device &&
+            resolvedDevice &&
+            device.toLowerCase() !== resolvedDevice.toLowerCase()) {
+            // This path points to another device so it is not applicable
+            continue;
+        }
+
+        if (!resolvedDevice) {
+            resolvedDevice = device;
+        }
+        if (!resolvedAbsolute) {
+            resolvedTail = tail + '\\' + resolvedTail;
+            resolvedAbsolute = isAbsolute;
+        }
+
+        if (resolvedDevice && resolvedAbsolute) {
+            break;
+        }
+    }
+
+    // Convert slashes to backslashes when `resolvedDevice` points to an UNC
+    // root. Also squash multiple slashes into a single one where appropriate.
+    if (isUnc) {
+        resolvedDevice = normalizeUNCRoot(resolvedDevice);
+    }
+
+    // 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 = normalizeArray(resolvedTail.split(/[\\\/]+/),
+        !resolvedAbsolute).join('\\');
+
+    return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) ||
+        '.';
+};
+
+
+win32.normalize = function (path) {
+    var result = win32StatPath(path),
+        device = result.device,
+        isUnc = result.isUnc,
+        isAbsolute = result.isAbsolute,
+        tail = result.tail,
+        trailingSlash = /[\\\/]$/.test(tail);
+
+    // Normalize the tail path
+    tail = normalizeArray(tail.split(/[\\\/]+/), !isAbsolute).join('\\');
+
+    if (!tail && !isAbsolute) {
+        tail = '.';
+    }
+    if (tail && trailingSlash) {
+        tail += '\\';
+    }
+
+    // Convert slashes to backslashes when `device` points to an UNC root.
+    // Also squash multiple slashes into a single one where appropriate.
+    if (isUnc) {
+        device = normalizeUNCRoot(device);
+    }
+
+    return device + (isAbsolute ? '\\' : '') + tail;
+};
+
+
+win32.isAbsolute = function (path) {
+    return win32StatPath(path).isAbsolute;
+};
+
+win32.join = function () {
+    var paths = [];
+    for (var i = 0; i < arguments.length; i++) {
+        var arg = arguments[i];
+        if (!util.isString(arg)) {
+            throw new TypeError('Arguments to path.join must be strings');
+        }
+        if (arg) {
+            paths.push(arg);
+        }
+    }
+
+    var joined = paths.join('\\');
+
+    // 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\')
+    if (!/^[\\\/]{2}[^\\\/]/.test(paths[0])) {
+        joined = joined.replace(/^[\\\/]{2,}/, '\\');
+    }
+
+    return win32.normalize(joined);
+};
+
+
+// path.relative(from, to)
+// 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'
+win32.relative = function (from, to) {
+    from = win32.resolve(from);
+    to = win32.resolve(to);
+
+    // windows is not case sensitive
+    var lowerFrom = from.toLowerCase();
+    var lowerTo = to.toLowerCase();
+
+    var toParts = trimArray(to.split('\\'));
+
+    var lowerFromParts = trimArray(lowerFrom.split('\\'));
+    var lowerToParts = trimArray(lowerTo.split('\\'));
+
+    var length = Math.min(lowerFromParts.length, lowerToParts.length);
+    var samePartsLength = length;
+    for (var i = 0; i < length; i++) {
+        if (lowerFromParts[i] !== lowerToParts[i]) {
+            samePartsLength = i;
+            break;
+        }
+    }
+
+    if (samePartsLength == 0) {
+        return to;
+    }
+
+    var outputParts = [];
+    for (var i = samePartsLength; i < lowerFromParts.length; i++) {
+        outputParts.push('..');
+    }
+
+    outputParts = outputParts.concat(toParts.slice(samePartsLength));
+
+    return outputParts.join('\\');
+};
+
+
+win32._makeLong = function (path) {
+    // Note: this will *probably* throw somewhere.
+    if (!util.isString(path))
+        return path;
+
+    if (!path) {
+        return '';
+    }
+
+    var resolvedPath = win32.resolve(path);
+
+    if (/^[a-zA-Z]\:\\/.test(resolvedPath)) {
+        // path is local filesystem path, which needs to be converted
+        // to long UNC path.
+        return '\\\\?\\' + resolvedPath;
+    } else if (/^\\\\[^?.]/.test(resolvedPath)) {
+        // path is network UNC path, which needs to be converted
+        // to long UNC path.
+        return '\\\\?\\UNC\\' + resolvedPath.substring(2);
+    }
+
+    return path;
+};
+
+
+win32.dirname = function (path) {
+    var result = win32SplitPath(path),
+        root = result[0],
+        dir = result[1];
+
+    if (!root && !dir) {
+        // No dirname whatsoever
+        return '.';
+    }
+
+    if (dir) {
+        // It has a dirname, strip trailing slash
+        dir = dir.substr(0, dir.length - 1);
+    }
+
+    return root + dir;
+};
+
+
+win32.basename = function (path, ext) {
+    var f = win32SplitPath(path)[2];
+    // TODO: make this comparison case-insensitive on windows?
+    if (ext && f.substr(-1 * ext.length) === ext) {
+        f = f.substr(0, f.length - ext.length);
+    }
+    return f;
+};
+
+
+win32.extname = function (path) {
+    return win32SplitPath(path)[3];
+};
+
+
+win32.format = function (pathObject) {
+    if (!util.isObject(pathObject)) {
+        throw new TypeError(
+            "Parameter 'pathObject' must be an object, not " + typeof pathObject
+        );
+    }
+
+    var root = pathObject.root || '';
+
+    if (!util.isString(root)) {
+        throw new TypeError(
+            "'pathObject.root' must be a string or undefined, not " +
+            typeof pathObject.root
+        );
+    }
+
+    var dir = pathObject.dir;
+    var base = pathObject.base || '';
+    if (!dir) {
+        return base;
+    }
+    if (dir[dir.length - 1] === win32.sep) {
+        return dir + base;
+    }
+    return dir + win32.sep + base;
+};
+
+
+win32.parse = function (pathString) {
+    if (!util.isString(pathString)) {
+        throw new TypeError(
+            "Parameter 'pathString' must be a string, not " + typeof pathString
+        );
+    }
+    var allParts = win32SplitPath(pathString);
+    if (!allParts || allParts.length !== 4) {
+        throw new TypeError("Invalid path '" + pathString + "'");
+    }
+    return {
+        root: allParts[0],
+        dir: allParts[0] + allParts[1].slice(0, -1),
+        base: allParts[2],
+        ext: allParts[3],
+        name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
+    };
+};
+
+
+win32.sep = '\\';
+win32.delimiter = ';';
+
+
+// Split a filename into [root, dir, basename, ext], unix version
+// 'root' is just a slash, or nothing.
+var splitPathRe =
+    /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+var posix: any = {};
+
+function posixSplitPath(filename) {
+    return splitPathRe.exec(filename).slice(1);
+}
+
+// path.resolve([from ...], to)
+// posix version
+posix.resolve = function () {
+    var resolvedPath = '',
+        resolvedAbsolute = false;
+
+    for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+        var path = (i >= 0) ? arguments[i] : process.cwd();
+
+        // Skip empty and invalid entries
+        if (!util.isString(path)) {
+            throw new TypeError('Arguments to path.resolve must be strings');
+        } else if (!path) {
+            continue;
+        }
+
+        resolvedPath = path + '/' + resolvedPath;
+        resolvedAbsolute = path[0] === '/';
+    }
+
+    // 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 = normalizeArray(resolvedPath.split('/'),
+        !resolvedAbsolute).join('/');
+
+    return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+};
+
+// path.normalize(path)
+// posix version
+posix.normalize = function (path) {
+    var isAbsolute = posix.isAbsolute(path),
+        trailingSlash = path && path[path.length - 1] === '/';
+
+    // Normalize the path
+    path = normalizeArray(path.split('/'), !isAbsolute).join('/');
+
+    if (!path && !isAbsolute) {
+        path = '.';
+    }
+    if (path && trailingSlash) {
+        path += '/';
+    }
+
+    return (isAbsolute ? '/' : '') + path;
+};
+
+// posix version
+posix.isAbsolute = function (path) {
+    return path.charAt(0) === '/';
+};
+
+// posix version
+posix.join = function () {
+    var path = '';
+    for (var i = 0; i < arguments.length; i++) {
+        var segment = arguments[i];
+        if (!util.isString(segment)) {
+            throw new TypeError('Arguments to path.join must be strings');
+        }
+        if (segment) {
+            if (!path) {
+                path += segment;
+            } else {
+                path += '/' + segment;
+            }
+        }
+    }
+    return posix.normalize(path);
+};
+
+
+// path.relative(from, to)
+// posix version
+posix.relative = function (from, to) {
+    from = posix.resolve(from).substr(1);
+    to = posix.resolve(to).substr(1);
+
+    var fromParts = trimArray(from.split('/'));
+    var toParts = trimArray(to.split('/'));
+
+    var length = Math.min(fromParts.length, toParts.length);
+    var samePartsLength = length;
+    for (var i = 0; i < length; i++) {
+        if (fromParts[i] !== toParts[i]) {
+            samePartsLength = i;
+            break;
+        }
+    }
+
+    var outputParts = [];
+    for (var i = samePartsLength; i < fromParts.length; i++) {
+        outputParts.push('..');
+    }
+
+    outputParts = outputParts.concat(toParts.slice(samePartsLength));
+
+    return outputParts.join('/');
+};
+
+
+posix._makeLong = function (path) {
+    return path;
+};
+
+
+posix.dirname = function (path) {
+    var result = posixSplitPath(path),
+        root = result[0],
+        dir = result[1];
+
+    if (!root && !dir) {
+        // No dirname whatsoever
+        return '.';
+    }
+
+    if (dir) {
+        // It has a dirname, strip trailing slash
+        dir = dir.substr(0, dir.length - 1);
+    }
+
+    return root + dir;
+};
+
+
+posix.basename = function (path, ext) {
+    var f = posixSplitPath(path)[2];
+    // TODO: make this comparison case-insensitive on windows?
+    if (ext && f.substr(-1 * ext.length) === ext) {
+        f = f.substr(0, f.length - ext.length);
+    }
+    return f;
+};
+
+
+posix.extname = function (path) {
+    return posixSplitPath(path)[3];
+};
+
+
+posix.format = function (pathObject) {
+    if (!util.isObject(pathObject)) {
+        throw new TypeError(
+            "Parameter 'pathObject' must be an object, not " + typeof pathObject
+        );
+    }
+
+    var root = pathObject.root || '';
+
+    if (!util.isString(root)) {
+        throw new TypeError(
+            "'pathObject.root' must be a string or undefined, not " +
+            typeof pathObject.root
+        );
+    }
+
+    var dir = pathObject.dir ? pathObject.dir + posix.sep : '';
+    var base = pathObject.base || '';
+    return dir + base;
+};
+
+
+posix.parse = function (pathString) {
+    if (!util.isString(pathString)) {
+        throw new TypeError(
+            "Parameter 'pathString' must be a string, not " + typeof pathString
+        );
+    }
+    var allParts = posixSplitPath(pathString);
+    if (!allParts || allParts.length !== 4) {
+        throw new TypeError("Invalid path '" + pathString + "'");
+    }
+    allParts[1] = allParts[1] || '';
+    allParts[2] = allParts[2] || '';
+    allParts[3] = allParts[3] || '';
+
+    return {
+        root: allParts[0],
+        dir: allParts[0] + allParts[1].slice(0, -1),
+        base: allParts[2],
+        ext: allParts[3],
+        name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
+    };
+};
+
+
+posix.sep = '/';
+posix.delimiter = ':';
+
+
+if (isWindows)
+    module.exports = win32;
+else /* posix */
+    module.exports = posix;
+
+module.exports.posix = posix;
+module.exports.win32 = win32;
\ No newline at end of file
diff --git a/packages/nodejs/src/querystring/decode.ts b/packages/nodejs/src/querystring/decode.ts
new file mode 100644
index 00000000..e2df19f7
--- /dev/null
+++ b/packages/nodejs/src/querystring/decode.ts
@@ -0,0 +1,81 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+// If obj.hasOwnProperty has been overridden, then calling
+// obj.hasOwnProperty(prop) will break.
+// See: https://github.com/joyent/node/issues/1707
+// @ts-ignore
+function hasOwnProperty(obj, prop) {
+    return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+module.exports = function (qs, sep, eq, options) {
+    sep = sep || '&';
+    eq = eq || '=';
+    var obj = {};
+
+    if (typeof qs !== 'string' || qs.length === 0) {
+        return obj;
+    }
+
+    var regexp = /\+/g;
+    qs = qs.split(sep);
+
+    var maxKeys = 1000;
+    if (options && typeof options.maxKeys === 'number') {
+        maxKeys = options.maxKeys;
+    }
+
+    var len = qs.length;
+    // maxKeys <= 0 means that we should not limit keys count
+    if (maxKeys > 0 && len > maxKeys) {
+        len = maxKeys;
+    }
+
+    for (var i = 0; i < len; ++i) {
+        var x = qs[i].replace(regexp, '%20'),
+            idx = x.indexOf(eq),
+            kstr, vstr, k, v;
+
+        if (idx >= 0) {
+            kstr = x.substr(0, idx);
+            vstr = x.substr(idx + 1);
+        } else {
+            kstr = x;
+            vstr = '';
+        }
+
+        k = decodeURIComponent(kstr);
+        v = decodeURIComponent(vstr);
+
+        if (!hasOwnProperty(obj, k)) {
+            obj[k] = v;
+        } else if (Array.isArray(obj[k])) {
+            obj[k].push(v);
+        } else {
+            obj[k] = [obj[k], v];
+        }
+    }
+
+    return obj;
+};
\ No newline at end of file
diff --git a/packages/nodejs/src/querystring/encode.ts b/packages/nodejs/src/querystring/encode.ts
new file mode 100644
index 00000000..b93567be
--- /dev/null
+++ b/packages/nodejs/src/querystring/encode.ts
@@ -0,0 +1,64 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+var stringifyPrimitive = function (v) {
+    switch (typeof v) {
+        case 'string':
+            return v;
+
+        case 'boolean':
+            return v ? 'true' : 'false';
+
+        case 'number':
+            return isFinite(v) ? v : '';
+
+        default:
+            return '';
+    }
+};
+
+module.exports = function (obj, sep, eq, name) {
+    sep = sep || '&';
+    eq = eq || '=';
+    if (obj === null) {
+        obj = undefined;
+    }
+
+    if (typeof obj === 'object') {
+        return Object.keys(obj).map(function (k) {
+            var ks = encodeURIComponent(stringifyPrimitive(k)) + eq;
+            if (Array.isArray(obj[k])) {
+                return obj[k].map(function (v) {
+                    return ks + encodeURIComponent(stringifyPrimitive(v));
+                }).join(sep);
+            } else {
+                return ks + encodeURIComponent(stringifyPrimitive(obj[k]));
+            }
+        }).filter(Boolean).join(sep);
+
+    }
+
+    if (!name) return '';
+    return encodeURIComponent(stringifyPrimitive(name)) + eq +
+        encodeURIComponent(stringifyPrimitive(obj));
+};
\ No newline at end of file
diff --git a/packages/nodejs/src/querystring/index.ts b/packages/nodejs/src/querystring/index.ts
new file mode 100644
index 00000000..d5f68101
--- /dev/null
+++ b/packages/nodejs/src/querystring/index.ts
@@ -0,0 +1,4 @@
+'use strict';
+
+exports.decode = exports.parse = require('./decode');
+exports.encode = exports.stringify = require('./encode');
\ No newline at end of file
diff --git a/packages/nodejs/src/url/index.ts b/packages/nodejs/src/url/index.ts
new file mode 100644
index 00000000..f2c2ddab
--- /dev/null
+++ b/packages/nodejs/src/url/index.ts
@@ -0,0 +1,747 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+var punycode = require('punycode');
+// @ts-ignore
+var util = {
+    isString: function (arg) {
+        return typeof (arg) === 'string';
+    },
+    isObject: function (arg) {
+        return typeof (arg) === 'object' && arg !== null;
+    },
+    isNull: function (arg) {
+        return arg === null;
+    },
+    isNullOrUndefined: function (arg) {
+        return arg == null;
+    }
+}
+
+exports.parse = urlParse;
+exports.resolve = urlResolve;
+exports.resolveObject = urlResolveObject;
+exports.format = urlFormat;
+
+exports.Url = Url;
+
+function Url(this: any) {
+    this.protocol = null;
+    this.slashes = null;
+    this.auth = null;
+    this.host = null;
+    this.port = null;
+    this.hostname = null;
+    this.hash = null;
+    this.search = null;
+    this.query = null;
+    this.pathname = null;
+    this.path = null;
+    this.href = null;
+}
+
+// Reference: RFC 3986, RFC 1808, RFC 2396
+
+// define these here so at least they only have to be
+// compiled once on the first module load.
+var protocolPattern = /^([a-z0-9.+-]+:)/i,
+    portPattern = /:[0-9]*$/,
+
+    // Special case for a simple path URL
+    simplePathPattern = /^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,
+
+    // RFC 2396: characters reserved for delimiting URLs.
+    // We actually just auto-escape these.
+    delims = ['<', '>', '"', '`', ' ', '\r', '\n', '\t'],
+
+    // RFC 2396: characters not allowed for various reasons.
+    unwise = ['{', '}', '|', '\\', '^', '`'].concat(delims),
+
+    // Allowed by RFCs, but cause of XSS attacks.  Always escape these.
+    autoEscape = ['\''].concat(unwise),
+    // Characters that are never ever allowed in a hostname.
+    // Note that any invalid chars are also handled, but these
+    // are the ones that are *expected* to be seen, so we fast-path
+    // them.
+    nonHostChars = ['%', '/', '?', ';', '#'].concat(autoEscape),
+    hostEndingChars = ['/', '?', '#'],
+    hostnameMaxLen = 255,
+    hostnamePartPattern = /^[+a-z0-9A-Z_-]{0,63}$/,
+    hostnamePartStart = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,
+    // protocols that can allow "unsafe" and "unwise" chars.
+    unsafeProtocol = {
+        'javascript': true,
+        'javascript:': true
+    },
+    // protocols that never have a hostname.
+    hostlessProtocol = {
+        'javascript': true,
+        'javascript:': true
+    },
+    // protocols that always contain a // bit.
+    slashedProtocol = {
+        'http': true,
+        'https': true,
+        'ftp': true,
+        'gopher': true,
+        'file': true,
+        'http:': true,
+        'https:': true,
+        'ftp:': true,
+        'gopher:': true,
+        'file:': true
+    },
+    querystring = require('querystring');
+
+function urlParse(url, parseQueryString?, slashesDenoteHost?) {
+    if (url && util.isObject(url) && url instanceof Url) return url;
+
+    var u = new Url;
+    u.parse(url, parseQueryString, slashesDenoteHost);
+    return u;
+}
+
+Url.prototype.parse = function (url, parseQueryString, slashesDenoteHost) {
+    if (!util.isString(url)) {
+        throw new TypeError("Parameter 'url' must be a string, not " + typeof url);
+    }
+
+    // Copy chrome, IE, opera backslash-handling behavior.
+    // Back slashes before the query string get converted to forward slashes
+    // See: https://code.google.com/p/chromium/issues/detail?id=25916
+    var queryIndex = url.indexOf('?'),
+        splitter =
+            (queryIndex !== -1 && queryIndex < url.indexOf('#')) ? '?' : '#',
+        uSplit = url.split(splitter),
+        slashRegex = /\\/g;
+    uSplit[0] = uSplit[0].replace(slashRegex, '/');
+    url = uSplit.join(splitter);
+
+    var rest = url;
+
+    // trim before proceeding.
+    // This is to support parse stuff like "  http://foo.com  \n"
+    rest = rest.trim();
+
+    if (!slashesDenoteHost && url.split('#').length === 1) {
+        // Try fast path regexp
+        var simplePath = simplePathPattern.exec(rest);
+        if (simplePath) {
+            this.path = rest;
+            this.href = rest;
+            this.pathname = simplePath[1];
+            if (simplePath[2]) {
+                this.search = simplePath[2];
+                if (parseQueryString) {
+                    this.query = querystring.parse(this.search.substr(1));
+                } else {
+                    this.query = this.search.substr(1);
+                }
+            } else if (parseQueryString) {
+                this.search = '';
+                this.query = {};
+            }
+            return this;
+        }
+    }
+
+    var proto: any = protocolPattern.exec(rest);
+    if (proto) {
+        proto = proto[0];
+        var lowerProto = proto.toLowerCase();
+        this.protocol = lowerProto;
+        rest = rest.substr(proto.length);
+    }
+
+    // figure out if it's got a host
+    // user@server is *always* interpreted as a hostname, and url
+    // resolution will treat //foo/bar as host=foo,path=bar because that's
+    // how the browser resolves relative URLs.
+    if (slashesDenoteHost || proto || rest.match(/^\/\/[^@\/]+@[^@\/]+/)) {
+        var slashes = rest.substr(0, 2) === '//';
+        if (slashes && !(proto && hostlessProtocol[proto])) {
+            rest = rest.substr(2);
+            this.slashes = true;
+        }
+    }
+
+    if (!hostlessProtocol[proto] &&
+        (slashes || (proto && !slashedProtocol[proto]))) {
+
+        // there's a hostname.
+        // the first instance of /, ?, ;, or # ends the host.
+        //
+        // If there is an @ in the hostname, then non-host chars *are* allowed
+        // to the left of the last @ sign, unless some host-ending character
+        // comes *before* the @-sign.
+        // URLs are obnoxious.
+        //
+        // ex:
+        // http://a@b@c/ => user:a@b host:c
+        // http://a@b?@c => user:a host:c path:/?@c
+
+        // v0.12 TODO(isaacs): This is not quite how Chrome does things.
+        // Review our test case against browsers more comprehensively.
+
+        // find the first instance of any hostEndingChars
+        var hostEnd = -1;
+        for (var i = 0; i < hostEndingChars.length; i++) {
+            var hec = rest.indexOf(hostEndingChars[i]);
+            if (hec !== -1 && (hostEnd === -1 || hec < hostEnd))
+                hostEnd = hec;
+        }
+
+        // at this point, either we have an explicit point where the
+        // auth portion cannot go past, or the last @ char is the decider.
+        var auth, atSign;
+        if (hostEnd === -1) {
+            // atSign can be anywhere.
+            atSign = rest.lastIndexOf('@');
+        } else {
+            // atSign must be in auth portion.
+            // http://a@b/c@d => host:b auth:a path:/c@d
+            atSign = rest.lastIndexOf('@', hostEnd);
+        }
+
+        // Now we have a portion which is definitely the auth.
+        // Pull that off.
+        if (atSign !== -1) {
+            auth = rest.slice(0, atSign);
+            rest = rest.slice(atSign + 1);
+            this.auth = decodeURIComponent(auth);
+        }
+
+        // the host is the remaining to the left of the first non-host char
+        hostEnd = -1;
+        for (var i = 0; i < nonHostChars.length; i++) {
+            var hec = rest.indexOf(nonHostChars[i]);
+            if (hec !== -1 && (hostEnd === -1 || hec < hostEnd))
+                hostEnd = hec;
+        }
+        // if we still have not hit it, then the entire thing is a host.
+        if (hostEnd === -1)
+            hostEnd = rest.length;
+
+        this.host = rest.slice(0, hostEnd);
+        rest = rest.slice(hostEnd);
+
+        // pull out port.
+        this.parseHost();
+
+        // we've indicated that there is a hostname,
+        // so even if it's empty, it has to be present.
+        this.hostname = this.hostname || '';
+
+        // if hostname begins with [ and ends with ]
+        // assume that it's an IPv6 address.
+        var ipv6Hostname = this.hostname[0] === '[' &&
+            this.hostname[this.hostname.length - 1] === ']';
+
+        // validate a little.
+        if (!ipv6Hostname) {
+            var hostparts = this.hostname.split(/\./);
+            for (var i = 0, l = hostparts.length; i < l; i++) {
+                var part = hostparts[i];
+                if (!part) continue;
+                if (!part.match(hostnamePartPattern)) {
+                    var newpart = '';
+                    for (var j = 0, k = part.length; j < k; j++) {
+                        if (part.charCodeAt(j) > 127) {
+                            // we replace non-ASCII char with a temporary placeholder
+                            // we need this to make sure size of hostname is not
+                            // broken by replacing non-ASCII by nothing
+                            newpart += 'x';
+                        } else {
+                            newpart += part[j];
+                        }
+                    }
+                    // we test again with ASCII char only
+                    if (!newpart.match(hostnamePartPattern)) {
+                        var validParts = hostparts.slice(0, i);
+                        var notHost = hostparts.slice(i + 1);
+                        var bit = part.match(hostnamePartStart);
+                        if (bit) {
+                            validParts.push(bit[1]);
+                            notHost.unshift(bit[2]);
+                        }
+                        if (notHost.length) {
+                            rest = '/' + notHost.join('.') + rest;
+                        }
+                        this.hostname = validParts.join('.');
+                        break;
+                    }
+                }
+            }
+        }
+
+        if (this.hostname.length > hostnameMaxLen) {
+            this.hostname = '';
+        } else {
+            // hostnames are always lower case.
+            this.hostname = this.hostname.toLowerCase();
+        }
+
+        if (!ipv6Hostname) {
+            // IDNA Support: Returns a punycoded representation of "domain".
+            // It only converts parts of the domain name that
+            // have non-ASCII characters, i.e. it doesn't matter if
+            // you call it with a domain that already is ASCII-only.
+            this.hostname = punycode.toASCII(this.hostname);
+        }
+
+        var p = this.port ? ':' + this.port : '';
+        var h = this.hostname || '';
+        this.host = h + p;
+        this.href += this.host;
+
+        // strip [ and ] from the hostname
+        // the host field still retains them, though
+        if (ipv6Hostname) {
+            this.hostname = this.hostname.substr(1, this.hostname.length - 2);
+            if (rest[0] !== '/') {
+                rest = '/' + rest;
+            }
+        }
+    }
+
+    // now rest is set to the post-host stuff.
+    // chop off any delim chars.
+    if (!unsafeProtocol[lowerProto]) {
+
+        // First, make 100% sure that any "autoEscape" chars get
+        // escaped, even if encodeURIComponent doesn't think they
+        // need to be.
+        for (var i = 0, m = autoEscape.length; i < m; i++) {
+            var ae = autoEscape[i];
+            if (rest.indexOf(ae) === -1)
+                continue;
+            var esc = encodeURIComponent(ae);
+            if (esc === ae) {
+                esc = escape(ae);
+            }
+            rest = rest.split(ae).join(esc);
+        }
+    }
+
+
+    // chop off from the tail first.
+    var hash = rest.indexOf('#');
+    if (hash !== -1) {
+        // got a fragment string.
+        this.hash = rest.substr(hash);
+        rest = rest.slice(0, hash);
+    }
+    var qm = rest.indexOf('?');
+    if (qm !== -1) {
+        this.search = rest.substr(qm);
+        this.query = rest.substr(qm + 1);
+        if (parseQueryString) {
+            this.query = querystring.parse(this.query);
+        }
+        rest = rest.slice(0, qm);
+    } else if (parseQueryString) {
+        // no query string, but parseQueryString still requested
+        this.search = '';
+        this.query = {};
+    }
+    if (rest) this.pathname = rest;
+    if (slashedProtocol[lowerProto] &&
+        this.hostname && !this.pathname) {
+        this.pathname = '/';
+    }
+
+    //to support http.request
+    if (this.pathname || this.search) {
+        var q = this.pathname || '';
+        var s = this.search || '';
+        this.path = q + s;
+    }
+
+    // finally, reconstruct the href based on what has been validated.
+    this.href = this.format();
+    return this;
+};
+
+// format a parsed object into a url string
+function urlFormat(obj) {
+    // ensure it's an object, and not a string url.
+    // If it's an obj, this is a no-op.
+    // this way, you can call url_format() on strings
+    // to clean up potentially wonky urls.
+    if (util.isString(obj)) obj = urlParse(obj);
+    if (!(obj instanceof Url)) return Url.prototype.format.call(obj);
+    // @ts-ignore
+    return obj.format();
+}
+
+Url.prototype.format = function () {
+    var auth = this.auth || '';
+    if (auth) {
+        auth = encodeURIComponent(auth);
+        auth = auth.replace(/%3A/i, ':');
+        auth += '@';
+    }
+
+    var protocol = this.protocol || '',
+        pathname = this.pathname || '',
+        hash = this.hash || '',
+        host: any = false,
+        query = '';
+
+    if (this.host) {
+        host = auth + this.host;
+    } else if (this.hostname) {
+        host = auth + (this.hostname.indexOf(':') === -1 ?
+            this.hostname :
+            '[' + this.hostname + ']');
+        if (this.port) {
+            host += ':' + this.port;
+        }
+    }
+
+    if (this.query &&
+        util.isObject(this.query) &&
+        Object.keys(this.query).length) {
+        query = querystring.stringify(this.query);
+    }
+
+    var search = this.search || (query && ('?' + query)) || '';
+
+    if (protocol && protocol.substr(-1) !== ':') protocol += ':';
+
+    // only the slashedProtocols get the //.  Not mailto:, xmpp:, etc.
+    // unless they had them to begin with.
+    if (this.slashes ||
+        (!protocol || slashedProtocol[protocol]) && host !== false) {
+        host = '//' + (host || '');
+        if (pathname && pathname.charAt(0) !== '/') pathname = '/' + pathname;
+    } else if (!host) {
+        host = '';
+    }
+
+    if (hash && hash.charAt(0) !== '#') hash = '#' + hash;
+    if (search && search.charAt(0) !== '?') search = '?' + search;
+
+    pathname = pathname.replace(/[?#]/g, function (match) {
+        return encodeURIComponent(match);
+    });
+    search = search.replace('#', '%23');
+
+    return protocol + host + pathname + search + hash;
+};
+
+function urlResolve(source, relative) {
+    return urlParse(source, false, true).resolve(relative);
+}
+
+Url.prototype.resolve = function (relative) {
+    return this.resolveObject(urlParse(relative, false, true)).format();
+};
+
+function urlResolveObject(source, relative) {
+    if (!source) return relative;
+    return urlParse(source, false, true).resolveObject(relative);
+}
+
+Url.prototype.resolveObject = function (relative) {
+    if (util.isString(relative)) {
+        var rel = new Url();
+        rel.parse(relative, false, true);
+        relative = rel;
+    }
+
+    var result = new Url();
+    var tkeys = Object.keys(this);
+    for (var tk = 0; tk < tkeys.length; tk++) {
+        var tkey = tkeys[tk];
+        result[tkey] = this[tkey];
+    }
+
+    // hash is always overridden, no matter what.
+    // even href="" will remove it.
+    result.hash = relative.hash;
+
+    // if the relative url is empty, then there's nothing left to do here.
+    if (relative.href === '') {
+        result.href = result.format();
+        return result;
+    }
+
+    // hrefs like //foo/bar always cut to the protocol.
+    if (relative.slashes && !relative.protocol) {
+        // take everything except the protocol from relative
+        var rkeys = Object.keys(relative);
+        for (var rk = 0; rk < rkeys.length; rk++) {
+            var rkey = rkeys[rk];
+            if (rkey !== 'protocol')
+                result[rkey] = relative[rkey];
+        }
+
+        //urlParse appends trailing / to urls like http://www.example.com
+        if (slashedProtocol[result.protocol] &&
+            result.hostname && !result.pathname) {
+            result.path = result.pathname = '/';
+        }
+
+        result.href = result.format();
+        return result;
+    }
+
+    if (relative.protocol && relative.protocol !== result.protocol) {
+        // if it's a known url protocol, then changing
+        // the protocol does weird things
+        // first, if it's not file:, then we MUST have a host,
+        // and if there was a path
+        // to begin with, then we MUST have a path.
+        // if it is file:, then the host is dropped,
+        // because that's known to be hostless.
+        // anything else is assumed to be absolute.
+        if (!slashedProtocol[relative.protocol]) {
+            var keys = Object.keys(relative);
+            for (var v = 0; v < keys.length; v++) {
+                var k = keys[v];
+                result[k] = relative[k];
+            }
+            result.href = result.format();
+            return result;
+        }
+
+        result.protocol = relative.protocol;
+        if (!relative.host && !hostlessProtocol[relative.protocol]) {
+            var relPath = (relative.pathname || '').split('/');
+            while (relPath.length && !(relative.host = relPath.shift()));
+            if (!relative.host) relative.host = '';
+            if (!relative.hostname) relative.hostname = '';
+            if (relPath[0] !== '') relPath.unshift('');
+            if (relPath.length < 2) relPath.unshift('');
+            result.pathname = relPath.join('/');
+        } else {
+            result.pathname = relative.pathname;
+        }
+        result.search = relative.search;
+        result.query = relative.query;
+        result.host = relative.host || '';
+        result.auth = relative.auth;
+        result.hostname = relative.hostname || relative.host;
+        result.port = relative.port;
+        // to support http.request
+        if (result.pathname || result.search) {
+            var p = result.pathname || '';
+            var s = result.search || '';
+            result.path = p + s;
+        }
+        result.slashes = result.slashes || relative.slashes;
+        result.href = result.format();
+        return result;
+    }
+
+    var isSourceAbs = (result.pathname && result.pathname.charAt(0) === '/'),
+        isRelAbs = (
+            relative.host ||
+            relative.pathname && relative.pathname.charAt(0) === '/'
+        ),
+        mustEndAbs = (isRelAbs || isSourceAbs ||
+            (result.host && relative.pathname)),
+        removeAllDots = mustEndAbs,
+        srcPath = result.pathname && result.pathname.split('/') || [],
+        relPath = relative.pathname && relative.pathname.split('/') || [],
+        psychotic = result.protocol && !slashedProtocol[result.protocol];
+
+    // if the url is a non-slashed url, then relative
+    // links like ../.. should be able
+    // to crawl up to the hostname, as well.  This is strange.
+    // result.protocol has already been set by now.
+    // Later on, put the first path part into the host field.
+    if (psychotic) {
+        result.hostname = '';
+        result.port = null;
+        if (result.host) {
+            if (srcPath[0] === '') srcPath[0] = result.host;
+            else srcPath.unshift(result.host);
+        }
+        result.host = '';
+        if (relative.protocol) {
+            relative.hostname = null;
+            relative.port = null;
+            if (relative.host) {
+                if (relPath[0] === '') relPath[0] = relative.host;
+                else relPath.unshift(relative.host);
+            }
+            relative.host = null;
+        }
+        mustEndAbs = mustEndAbs && (relPath[0] === '' || srcPath[0] === '');
+    }
+
+    if (isRelAbs) {
+        // it's absolute.
+        result.host = (relative.host || relative.host === '') ?
+            relative.host : result.host;
+        result.hostname = (relative.hostname || relative.hostname === '') ?
+            relative.hostname : result.hostname;
+        result.search = relative.search;
+        result.query = relative.query;
+        srcPath = relPath;
+        // fall through to the dot-handling below.
+    } else if (relPath.length) {
+        // it's relative
+        // throw away the existing file, and take the new path instead.
+        if (!srcPath) srcPath = [];
+        srcPath.pop();
+        srcPath = srcPath.concat(relPath);
+        result.search = relative.search;
+        result.query = relative.query;
+    } else if (!util.isNullOrUndefined(relative.search)) {
+        // just pull out the search.
+        // like href='?foo'.
+        // Put this after the other two cases because it simplifies the booleans
+        if (psychotic) {
+            result.hostname = result.host = srcPath.shift();
+            //occationaly the auth can get stuck only in host
+            //this especially happens in cases like
+            //url.resolveObject('mailto:local1@domain1', 'local2@domain2')
+            var authInHost = result.host && result.host.indexOf('@') > 0 ?
+                result.host.split('@') : false;
+            if (authInHost) {
+                result.auth = authInHost.shift();
+                result.host = result.hostname = authInHost.shift();
+            }
+        }
+        result.search = relative.search;
+        result.query = relative.query;
+        //to support http.request
+        if (!util.isNull(result.pathname) || !util.isNull(result.search)) {
+            result.path = (result.pathname ? result.pathname : '') +
+                (result.search ? result.search : '');
+        }
+        result.href = result.format();
+        return result;
+    }
+
+    if (!srcPath.length) {
+        // no path at all.  easy.
+        // we've already handled the other stuff above.
+        result.pathname = null;
+        //to support http.request
+        if (result.search) {
+            result.path = '/' + result.search;
+        } else {
+            result.path = null;
+        }
+        result.href = result.format();
+        return result;
+    }
+
+    // if a url ENDs in . or .., then it must get a trailing slash.
+    // however, if it ends in anything else non-slashy,
+    // then it must NOT get a trailing slash.
+    var last = srcPath.slice(-1)[0];
+    var hasTrailingSlash = (
+        (result.host || relative.host || srcPath.length > 1) &&
+        (last === '.' || last === '..') || last === '');
+
+    // strip single dots, resolve double dots to parent dir
+    // if the path tries to go above the root, `up` ends up > 0
+    var up = 0;
+    for (var i = srcPath.length; i >= 0; i--) {
+        last = srcPath[i];
+        if (last === '.') {
+            srcPath.splice(i, 1);
+        } else if (last === '..') {
+            srcPath.splice(i, 1);
+            up++;
+        } else if (up) {
+            srcPath.splice(i, 1);
+            up--;
+        }
+    }
+
+    // if the path is allowed to go above the root, restore leading ..s
+    if (!mustEndAbs && !removeAllDots) {
+        for (; up--; up) {
+            srcPath.unshift('..');
+        }
+    }
+
+    if (mustEndAbs && srcPath[0] !== '' &&
+        (!srcPath[0] || srcPath[0].charAt(0) !== '/')) {
+        srcPath.unshift('');
+    }
+
+    if (hasTrailingSlash && (srcPath.join('/').substr(-1) !== '/')) {
+        srcPath.push('');
+    }
+
+    var isAbsolute = srcPath[0] === '' ||
+        (srcPath[0] && srcPath[0].charAt(0) === '/');
+
+    // put the host back
+    if (psychotic) {
+        result.hostname = result.host = isAbsolute ? '' :
+            srcPath.length ? srcPath.shift() : '';
+        //occationaly the auth can get stuck only in host
+        //this especially happens in cases like
+        //url.resolveObject('mailto:local1@domain1', 'local2@domain2')
+        var authInHost = result.host && result.host.indexOf('@') > 0 ?
+            result.host.split('@') : false;
+        if (authInHost) {
+            result.auth = authInHost.shift();
+            result.host = result.hostname = authInHost.shift();
+        }
+    }
+
+    mustEndAbs = mustEndAbs || (result.host && srcPath.length);
+
+    if (mustEndAbs && !isAbsolute) {
+        srcPath.unshift('');
+    }
+
+    if (!srcPath.length) {
+        result.pathname = null;
+        result.path = null;
+    } else {
+        result.pathname = srcPath.join('/');
+    }
+
+    //to support request.http
+    if (!util.isNull(result.pathname) || !util.isNull(result.search)) {
+        result.path = (result.pathname ? result.pathname : '') +
+            (result.search ? result.search : '');
+    }
+    result.auth = relative.auth || result.auth;
+    result.slashes = result.slashes || relative.slashes;
+    result.href = result.format();
+    return result;
+};
+
+Url.prototype.parseHost = function () {
+    var host = this.host;
+    var port: any = portPattern.exec(host);
+    if (port) {
+        port = port[0];
+        if (port !== ':') {
+            this.port = port.substr(1);
+        }
+        host = host.substr(0, host.length - port.length);
+    }
+    if (host) this.hostname = host;
+};
\ No newline at end of file
diff --git a/packages/nodejs/src/util/index.ts b/packages/nodejs/src/util/index.ts
new file mode 100644
index 00000000..a2bdf23f
--- /dev/null
+++ b/packages/nodejs/src/util/index.ts
@@ -0,0 +1,727 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var getOwnPropertyDescriptors = Object.getOwnPropertyDescriptors ||
+    function getOwnPropertyDescriptors(obj) {
+        var keys = Object.keys(obj);
+        var descriptors = {};
+        for (var i = 0; i < keys.length; i++) {
+            descriptors[keys[i]] = Object.getOwnPropertyDescriptor(obj, keys[i]);
+        }
+        return descriptors;
+    };
+
+var formatRegExp = /%[sdj%]/g;
+exports.format = function (f) {
+    if (!isString(f)) {
+        var objects = [];
+        for (var i = 0; i < arguments.length; i++) {
+            objects.push(inspect(arguments[i]));
+        }
+        return objects.join(' ');
+    }
+
+    var i = 1;
+    var args = arguments;
+    var len = args.length;
+    // @ts-ignore
+    var str = String(f).replace(formatRegExp, function (x) {
+        if (x === '%%') return '%';
+        if (i >= len) return x;
+        switch (x) {
+            case '%s': return String(args[i++]);
+            case '%d': return Number(args[i++]);
+            case '%j':
+                try {
+                    return JSON.stringify(args[i++]);
+                } catch (_) {
+                    return '[Circular]';
+                }
+            default:
+                return x;
+        }
+    });
+    for (var x = args[i]; i < len; x = args[++i]) {
+        if (isNull(x) || !isObject(x)) {
+            str += ' ' + x;
+        } else {
+            str += ' ' + inspect(x);
+        }
+    }
+    return str;
+};
+
+
+// Mark that a method should not be used.
+// Returns a modified function which warns once by default.
+// If --no-deprecation is set, then it is a no-op.
+exports.deprecate = function (fn, msg) {
+    // @ts-ignore
+    if (typeof process !== 'undefined' && process.noDeprecation === true) {
+        return fn;
+    }
+
+    // Allow for deprecating things in the process of starting up.
+    if (typeof process === 'undefined') {
+        return function () {
+            // @ts-ignore
+            return exports.deprecate(fn, msg).apply(this, arguments);
+        };
+    }
+
+    var warned = false;
+    function deprecated() {
+        if (!warned) {
+            // @ts-ignore
+            if (process.throwDeprecation) {
+                throw new Error(msg);
+                // @ts-ignore
+            } else if (process.traceDeprecation) {
+                console.trace(msg);
+            } else {
+                console.error(msg);
+            }
+            warned = true;
+        }
+        // @ts-ignore
+        return fn.apply(this, arguments);
+    }
+
+    return deprecated;
+};
+
+
+var debugs = {};
+var debugEnvRegex = /^$/;
+
+if (process.env.NODE_DEBUG) {
+    var debugEnv = process.env.NODE_DEBUG;
+    debugEnv = debugEnv.replace(/[|\\{}()[\]^$+?.]/g, '\\$&')
+        .replace(/\*/g, '.*')
+        .replace(/,/g, '$|^')
+        .toUpperCase();
+    debugEnvRegex = new RegExp('^' + debugEnv + '$', 'i');
+}
+exports.debuglog = function (set) {
+    set = set.toUpperCase();
+    if (!debugs[set]) {
+        if (debugEnvRegex.test(set)) {
+            var pid = process.pid;
+            debugs[set] = function () {
+                var msg = exports.format.apply(exports, arguments);
+                console.error('%s %d: %s', set, pid, msg);
+            };
+        } else {
+            debugs[set] = function () { };
+        }
+    }
+    return debugs[set];
+};
+
+
+/**
+ * Echos the value of a value. Trys to print the value out
+ * in the best way possible given the different types.
+ *
+ * @param {Object} obj The object to print out.
+ * @param {Object} opts Optional options object that alters the output.
+ */
+/* legacy: obj, showHidden, depth, colors*/
+function inspect(obj, opts?) {
+    // default options
+    var ctx: any = {
+        seen: [],
+        stylize: stylizeNoColor
+    };
+    // legacy...
+    if (arguments.length >= 3) ctx.depth = arguments[2];
+    if (arguments.length >= 4) ctx.colors = arguments[3];
+    if (isBoolean(opts)) {
+        // legacy...
+        ctx.showHidden = opts;
+    } else if (opts) {
+        // got an "options" object
+        exports._extend(ctx, opts);
+    }
+    // set default options
+    if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+    if (isUndefined(ctx.depth)) ctx.depth = 2;
+    if (isUndefined(ctx.colors)) ctx.colors = false;
+    if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+    if (ctx.colors) ctx.stylize = stylizeWithColor;
+    return formatValue(ctx, obj, ctx.depth);
+}
+exports.inspect = inspect;
+
+
+// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+inspect.colors = {
+    'bold': [1, 22],
+    'italic': [3, 23],
+    'underline': [4, 24],
+    'inverse': [7, 27],
+    'white': [37, 39],
+    'grey': [90, 39],
+    'black': [30, 39],
+    'blue': [34, 39],
+    'cyan': [36, 39],
+    'green': [32, 39],
+    'magenta': [35, 39],
+    'red': [31, 39],
+    'yellow': [33, 39]
+};
+
+// Don't use 'blue' not visible on cmd.exe
+inspect.styles = {
+    'special': 'cyan',
+    'number': 'yellow',
+    'boolean': 'yellow',
+    'undefined': 'grey',
+    'null': 'bold',
+    'string': 'green',
+    'date': 'magenta',
+    // "name": intentionally not styling
+    'regexp': 'red'
+};
+
+
+function stylizeWithColor(str, styleType) {
+    var style = inspect.styles[styleType];
+
+    if (style) {
+        return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+            '\u001b[' + inspect.colors[style][1] + 'm';
+    } else {
+        return str;
+    }
+}
+
+
+function stylizeNoColor(str, styleType) {
+    return str;
+}
+
+
+function arrayToHash(array) {
+    var hash = {};
+
+    array.forEach(function (val, idx) {
+        hash[val] = true;
+    });
+
+    return hash;
+}
+
+
+function formatValue(ctx, value, recurseTimes) {
+    // Provide a hook for user-specified inspect functions.
+    // Check that value is an object with an inspect function on it
+    if (ctx.customInspect &&
+        value &&
+        isFunction(value.inspect) &&
+        // Filter out the util module, it's inspect function is special
+        value.inspect !== exports.inspect &&
+        // Also filter out any prototype objects using the circular check.
+        !(value.constructor && value.constructor.prototype === value)) {
+        var ret = value.inspect(recurseTimes, ctx);
+        if (!isString(ret)) {
+            ret = formatValue(ctx, ret, recurseTimes);
+        }
+        return ret;
+    }
+
+    // Primitive types cannot have properties
+    var primitive = formatPrimitive(ctx, value);
+    if (primitive) {
+        return primitive;
+    }
+
+    // Look up the keys of the object.
+    var keys = Object.keys(value);
+    var visibleKeys = arrayToHash(keys);
+
+    if (ctx.showHidden) {
+        keys = Object.getOwnPropertyNames(value);
+    }
+
+    // IE doesn't make error fields non-enumerable
+    // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
+    if (isError(value)
+        && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
+        return formatError(value);
+    }
+
+    // Some type of object without properties can be shortcutted.
+    if (keys.length === 0) {
+        if (isFunction(value)) {
+            var name = value.name ? ': ' + value.name : '';
+            return ctx.stylize('[Function' + name + ']', 'special');
+        }
+        if (isRegExp(value)) {
+            return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+        }
+        if (isDate(value)) {
+            return ctx.stylize(Date.prototype.toString.call(value), 'date');
+        }
+        if (isError(value)) {
+            return formatError(value);
+        }
+    }
+
+    var base = '', array = false, braces = ['{', '}'];
+
+    // Make Array say that they are Array
+    if (isArray(value)) {
+        array = true;
+        braces = ['[', ']'];
+    }
+
+    // Make functions say that they are functions
+    if (isFunction(value)) {
+        var n = value.name ? ': ' + value.name : '';
+        base = ' [Function' + n + ']';
+    }
+
+    // Make RegExps say that they are RegExps
+    if (isRegExp(value)) {
+        base = ' ' + RegExp.prototype.toString.call(value);
+    }
+
+    // Make dates with properties first say the date
+    if (isDate(value)) {
+        base = ' ' + Date.prototype.toUTCString.call(value);
+    }
+
+    // Make error with message first say the error
+    if (isError(value)) {
+        base = ' ' + formatError(value);
+    }
+
+    if (keys.length === 0 && (!array || value.length == 0)) {
+        return braces[0] + base + braces[1];
+    }
+
+    if (recurseTimes < 0) {
+        if (isRegExp(value)) {
+            return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+        } else {
+            return ctx.stylize('[Object]', 'special');
+        }
+    }
+
+    ctx.seen.push(value);
+
+    var output;
+    if (array) {
+        output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+    } else {
+        output = keys.map(function (key) {
+            return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+        });
+    }
+
+    ctx.seen.pop();
+
+    return reduceToSingleString(output, base, braces);
+}
+
+
+function formatPrimitive(ctx, value) {
+    if (isUndefined(value))
+        return ctx.stylize('undefined', 'undefined');
+    if (isString(value)) {
+        var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+            .replace(/'/g, "\\'")
+            .replace(/\\"/g, '"') + '\'';
+        return ctx.stylize(simple, 'string');
+    }
+    if (isNumber(value))
+        return ctx.stylize('' + value, 'number');
+    if (isBoolean(value))
+        return ctx.stylize('' + value, 'boolean');
+    // For some reason typeof null is "object", so special case here.
+    if (isNull(value))
+        return ctx.stylize('null', 'null');
+}
+
+
+function formatError(value) {
+    return '[' + Error.prototype.toString.call(value) + ']';
+}
+
+
+function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+    var output = [];
+    for (var i = 0, l = value.length; i < l; ++i) {
+        if (hasOwnProperty(value, String(i))) {
+            output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+                String(i), true));
+        } else {
+            output.push('');
+        }
+    }
+    keys.forEach(function (key) {
+        if (!key.match(/^\d+$/)) {
+            output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+                key, true));
+        }
+    });
+    return output;
+}
+
+
+function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+    var name, str, desc;
+    desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+    if (desc.get) {
+        if (desc.set) {
+            str = ctx.stylize('[Getter/Setter]', 'special');
+        } else {
+            str = ctx.stylize('[Getter]', 'special');
+        }
+    } else {
+        if (desc.set) {
+            str = ctx.stylize('[Setter]', 'special');
+        }
+    }
+    if (!hasOwnProperty(visibleKeys, key)) {
+        name = '[' + key + ']';
+    }
+    if (!str) {
+        if (ctx.seen.indexOf(desc.value) < 0) {
+            if (isNull(recurseTimes)) {
+                str = formatValue(ctx, desc.value, null);
+            } else {
+                str = formatValue(ctx, desc.value, recurseTimes - 1);
+            }
+            if (str.indexOf('\n') > -1) {
+                if (array) {
+                    str = str.split('\n').map(function (line) {
+                        return '  ' + line;
+                    }).join('\n').substr(2);
+                } else {
+                    str = '\n' + str.split('\n').map(function (line) {
+                        return '   ' + line;
+                    }).join('\n');
+                }
+            }
+        } else {
+            str = ctx.stylize('[Circular]', 'special');
+        }
+    }
+    if (isUndefined(name)) {
+        if (array && key.match(/^\d+$/)) {
+            return str;
+        }
+        name = JSON.stringify('' + key);
+        if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+            name = name.substr(1, name.length - 2);
+            name = ctx.stylize(name, 'name');
+        } else {
+            name = name.replace(/'/g, "\\'")
+                .replace(/\\"/g, '"')
+                .replace(/(^"|"$)/g, "'");
+            name = ctx.stylize(name, 'string');
+        }
+    }
+
+    return name + ': ' + str;
+}
+
+
+function reduceToSingleString(output, base, braces) {
+    var numLinesEst = 0;
+    var length = output.reduce(function (prev, cur) {
+        numLinesEst++;
+        if (cur.indexOf('\n') >= 0) numLinesEst++;
+        return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+    }, 0);
+
+    if (length > 60) {
+        return braces[0] +
+            (base === '' ? '' : base + '\n ') +
+            ' ' +
+            output.join(',\n  ') +
+            ' ' +
+            braces[1];
+    }
+
+    return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+}
+
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+exports.types = require('./support/types');
+
+function isArray(ar) {
+    return Array.isArray(ar);
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+    return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+    return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+    return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+    return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+    return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+    return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+    return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+    return isObject(re) && objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+exports.types.isRegExp = isRegExp;
+
+function isObject(arg) {
+    return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+    return isObject(d) && objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+exports.types.isDate = isDate;
+
+function isError(e) {
+    return isObject(e) &&
+        (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+exports.types.isNativeError = isError;
+
+function isFunction(arg) {
+    return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+    return arg === null ||
+        typeof arg === 'boolean' ||
+        typeof arg === 'number' ||
+        typeof arg === 'string' ||
+        typeof arg === 'symbol' ||  // ES6 symbol
+        typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = require('./support/isBuffer');
+
+function objectToString(o) {
+    return Object.prototype.toString.call(o);
+}
+
+
+function pad(n) {
+    return n < 10 ? '0' + n.toString(10) : n.toString(10);
+}
+
+
+var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+    'Oct', 'Nov', 'Dec'];
+
+// 26 Feb 16:19:34
+function timestamp() {
+    var d = new Date();
+    var time = [pad(d.getHours()),
+    pad(d.getMinutes()),
+    pad(d.getSeconds())].join(':');
+    return [d.getDate(), months[d.getMonth()], time].join(' ');
+}
+
+
+// log is just a thin wrapper to console.log that prepends a timestamp
+exports.log = function () {
+    console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
+};
+
+
+/**
+ * Inherit the prototype methods from one constructor into another.
+ *
+ * The Function.prototype.inherits from lang.js rewritten as a standalone
+ * function (not on Function.prototype). NOTE: If this file is to be loaded
+ * during bootstrapping this function needs to be rewritten using some native
+ * functions as prototype setup using normal JavaScript does not work as
+ * expected during bootstrapping (see mirror.js in r114903).
+ *
+ * @param {function} ctor Constructor function which needs to inherit the
+ *     prototype.
+ * @param {function} superCtor Constructor function to inherit prototype from.
+ */
+exports.inherits = require('inherits');
+
+exports._extend = function (origin, add) {
+    // Don't do anything if add isn't an object
+    if (!add || !isObject(add)) return origin;
+
+    var keys = Object.keys(add);
+    var i = keys.length;
+    while (i--) {
+        origin[keys[i]] = add[keys[i]];
+    }
+    return origin;
+};
+
+// @ts-ignore
+function hasOwnProperty(obj, prop) {
+    return Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+var kCustomPromisifiedSymbol = typeof Symbol !== 'undefined' ? Symbol('util.promisify.custom') : undefined;
+
+exports.promisify = function promisify(original) {
+    if (typeof original !== 'function')
+        throw new TypeError('The "original" argument must be of type Function');
+
+    if (kCustomPromisifiedSymbol && original[kCustomPromisifiedSymbol]) {
+        // @ts-ignore
+        var fn = original[kCustomPromisifiedSymbol];
+        if (typeof fn !== 'function') {
+            throw new TypeError('The "util.promisify.custom" argument must be of type Function');
+        }
+        Object.defineProperty(fn, kCustomPromisifiedSymbol, {
+            value: fn, enumerable: false, writable: false, configurable: true
+        });
+        return fn;
+    }
+    // @ts-ignore
+    function fn() {
+        var promiseResolve, promiseReject;
+        var promise = new Promise(function (resolve, reject) {
+            promiseResolve = resolve;
+            promiseReject = reject;
+        });
+
+        var args = [];
+        for (var i = 0; i < arguments.length; i++) {
+            args.push(arguments[i]);
+        }
+        args.push(function (err, value) {
+            if (err) {
+                promiseReject(err);
+            } else {
+                promiseResolve(value);
+            }
+        });
+
+        try {
+            // @ts-ignore
+            original.apply(this, args);
+        } catch (err) {
+            promiseReject(err);
+        }
+
+        return promise;
+    }
+
+    Object.setPrototypeOf(fn, Object.getPrototypeOf(original));
+
+    if (kCustomPromisifiedSymbol) Object.defineProperty(fn, kCustomPromisifiedSymbol, {
+        value: fn, enumerable: false, writable: false, configurable: true
+    });
+    return Object.defineProperties(
+        fn,
+        getOwnPropertyDescriptors(original)
+    );
+}
+
+exports.promisify.custom = kCustomPromisifiedSymbol
+
+function callbackifyOnRejected(reason, cb) {
+    // `!reason` guard inspired by bluebird (Ref: https://goo.gl/t5IS6M).
+    // Because `null` is a special error value in callbacks which means "no error
+    // occurred", we error-wrap so the callback consumer can distinguish between
+    // "the promise rejected with null" or "the promise fulfilled with undefined".
+    if (!reason) {
+        var newReason = new Error('Promise was rejected with a falsy value');
+        // @ts-ignore
+        newReason.reason = reason;
+        reason = newReason;
+    }
+    return cb(reason);
+}
+
+function callbackify(original) {
+    if (typeof original !== 'function') {
+        throw new TypeError('The "original" argument must be of type Function');
+    }
+
+    // We DO NOT return the promise as it gives the user a false sense that
+    // the promise is actually somehow related to the callback's execution
+    // and that the callback throwing will reject the promise.
+    function callbackified() {
+        var args = [];
+        for (var i = 0; i < arguments.length; i++) {
+            args.push(arguments[i]);
+        }
+
+        var maybeCb = args.pop();
+        if (typeof maybeCb !== 'function') {
+            throw new TypeError('The last argument must be of type Function');
+        }
+        // @ts-ignore
+        var self = this;
+        var cb = function () {
+            return maybeCb.apply(self, arguments);
+        };
+        // In true node style we process the callback on `nextTick` with all the
+        // implications (stack, `uncaughtException`, `async_hooks`)
+        // @ts-ignore
+        original.apply(this, args)
+            .then(function (ret) { process.nextTick(cb.bind(null, null, ret)) },
+                function (rej) { process.nextTick(callbackifyOnRejected.bind(null, rej, cb)) });
+    }
+
+    Object.setPrototypeOf(callbackified, Object.getPrototypeOf(original));
+    Object.defineProperties(callbackified,
+        getOwnPropertyDescriptors(original));
+    return callbackified;
+}
+exports.callbackify = callbackify;
\ No newline at end of file
diff --git a/packages/nodejs/src/util/support/isBuffer.ts b/packages/nodejs/src/util/support/isBuffer.ts
new file mode 100644
index 00000000..f3d40abd
--- /dev/null
+++ b/packages/nodejs/src/util/support/isBuffer.ts
@@ -0,0 +1,3 @@
+module.exports = function isBuffer(arg) {
+    return arg instanceof Buffer;
+}
\ No newline at end of file
diff --git a/packages/nodejs/src/util/support/isBufferBrowser.ts b/packages/nodejs/src/util/support/isBufferBrowser.ts
new file mode 100644
index 00000000..eff684a0
--- /dev/null
+++ b/packages/nodejs/src/util/support/isBufferBrowser.ts
@@ -0,0 +1,6 @@
+module.exports = function isBuffer(arg) {
+    return arg && typeof arg === 'object'
+        && typeof arg.copy === 'function'
+        && typeof arg.fill === 'function'
+        && typeof arg.readUInt8 === 'function';
+}
\ No newline at end of file
diff --git a/packages/nodejs/src/util/support/types.ts b/packages/nodejs/src/util/support/types.ts
new file mode 100644
index 00000000..88d27285
--- /dev/null
+++ b/packages/nodejs/src/util/support/types.ts
@@ -0,0 +1,424 @@
+// Currently in sync with Node.js lib/internal/util/types.js
+// https://github.com/nodejs/node/commit/112cc7c27551254aa2b17098fb774867f05ed0d9
+
+'use strict';
+
+var isBuffer = require('./isBuffer');
+
+var isArgumentsObject = require('is-arguments');
+var isGeneratorFunction = require('is-generator-function');
+
+function uncurryThis(f) {
+    return f.call.bind(f);
+}
+
+var BigIntSupported = typeof BigInt !== 'undefined';
+var SymbolSupported = typeof Symbol !== 'undefined';
+var SymbolToStringTagSupported = SymbolSupported && typeof Symbol.toStringTag !== 'undefined';
+var Uint8ArraySupported = typeof Uint8Array !== 'undefined';
+var ArrayBufferSupported = typeof ArrayBuffer !== 'undefined';
+
+if (Uint8ArraySupported && SymbolToStringTagSupported) {
+    var TypedArrayPrototype = Object.getPrototypeOf(Uint8Array.prototype);
+
+    var TypedArrayProto_toStringTag =
+        uncurryThis(
+            Object.getOwnPropertyDescriptor(TypedArrayPrototype,
+                Symbol.toStringTag).get);
+
+}
+
+var ObjectToString = uncurryThis(Object.prototype.toString);
+
+var numberValue = uncurryThis(Number.prototype.valueOf);
+var stringValue = uncurryThis(String.prototype.valueOf);
+var booleanValue = uncurryThis(Boolean.prototype.valueOf);
+
+if (BigIntSupported) {
+    var bigIntValue = uncurryThis(BigInt.prototype.valueOf);
+}
+
+if (SymbolSupported) {
+    var symbolValue = uncurryThis(Symbol.prototype.valueOf);
+}
+
+function checkBoxedPrimitive(value, prototypeValueOf) {
+    if (typeof value !== 'object') {
+        return false;
+    }
+    try {
+        prototypeValueOf(value);
+        return true;
+    } catch (e) {
+        return false;
+    }
+}
+
+exports.isArgumentsObject = isArgumentsObject;
+
+exports.isGeneratorFunction = isGeneratorFunction;
+
+// Taken from here and modified for better browser support
+// https://github.com/sindresorhus/p-is-promise/blob/cda35a513bda03f977ad5cde3a079d237e82d7ef/index.js
+function isPromise(input) {
+    return (
+        (
+            typeof Promise !== 'undefined' &&
+            input instanceof Promise
+        ) ||
+        (
+            input !== null &&
+            typeof input === 'object' &&
+            typeof input.then === 'function' &&
+            typeof input.catch === 'function'
+        )
+    );
+}
+exports.isPromise = isPromise;
+
+function isArrayBufferView(value) {
+    if (ArrayBufferSupported && ArrayBuffer.isView) {
+        return ArrayBuffer.isView(value);
+    }
+
+    return (
+        isTypedArray(value) ||
+        isDataView(value)
+    );
+}
+exports.isArrayBufferView = isArrayBufferView;
+
+function isTypedArray(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) !== undefined;
+    } else {
+        return (
+            isUint8Array(value) ||
+            isUint8ClampedArray(value) ||
+            isUint16Array(value) ||
+            isUint32Array(value) ||
+            isInt8Array(value) ||
+            isInt16Array(value) ||
+            isInt32Array(value) ||
+            isFloat32Array(value) ||
+            isFloat64Array(value) ||
+            isBigInt64Array(value) ||
+            isBigUint64Array(value)
+        );
+    }
+}
+exports.isTypedArray = isTypedArray;
+
+function isUint8Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Uint8Array';
+    } else {
+        return (
+            ObjectToString(value) === '[object Uint8Array]' ||
+            // If it's a Buffer instance _and_ has a `.buffer` property,
+            // this is an ArrayBuffer based buffer; thus it's an Uint8Array
+            // (Old Node.js had a custom non-Uint8Array implementation)
+            isBuffer(value) && value.buffer !== undefined
+        );
+    }
+}
+exports.isUint8Array = isUint8Array;
+
+function isUint8ClampedArray(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Uint8ClampedArray';
+    } else {
+        return ObjectToString(value) === '[object Uint8ClampedArray]';
+    }
+}
+exports.isUint8ClampedArray = isUint8ClampedArray;
+
+function isUint16Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Uint16Array';
+    } else {
+        return ObjectToString(value) === '[object Uint16Array]';
+    }
+}
+exports.isUint16Array = isUint16Array;
+
+function isUint32Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Uint32Array';
+    } else {
+        return ObjectToString(value) === '[object Uint32Array]';
+    }
+}
+exports.isUint32Array = isUint32Array;
+
+function isInt8Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Int8Array';
+    } else {
+        return ObjectToString(value) === '[object Int8Array]';
+    }
+}
+exports.isInt8Array = isInt8Array;
+
+function isInt16Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Int16Array';
+    } else {
+        return ObjectToString(value) === '[object Int16Array]';
+    }
+}
+exports.isInt16Array = isInt16Array;
+
+function isInt32Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Int32Array';
+    } else {
+        return ObjectToString(value) === '[object Int32Array]';
+    }
+}
+exports.isInt32Array = isInt32Array;
+
+function isFloat32Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Float32Array';
+    } else {
+        return ObjectToString(value) === '[object Float32Array]';
+    }
+}
+exports.isFloat32Array = isFloat32Array;
+
+function isFloat64Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'Float64Array';
+    } else {
+        return ObjectToString(value) === '[object Float64Array]';
+    }
+}
+exports.isFloat64Array = isFloat64Array;
+
+function isBigInt64Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'BigInt64Array';
+    } else {
+        return ObjectToString(value) === '[object BigInt64Array]';
+    }
+}
+exports.isBigInt64Array = isBigInt64Array;
+
+function isBigUint64Array(value) {
+    if (Uint8ArraySupported && SymbolToStringTagSupported) {
+        return TypedArrayProto_toStringTag(value) === 'BigUint64Array';
+    } else {
+        return ObjectToString(value) === '[object BigUint64Array]';
+    }
+}
+exports.isBigUint64Array = isBigUint64Array;
+
+function isMapToString(value) {
+    return ObjectToString(value) === '[object Map]';
+}
+isMapToString.working = (
+    typeof Map !== 'undefined' &&
+    isMapToString(new Map())
+);
+
+function isMap(value) {
+    if (typeof Map === 'undefined') {
+        return false;
+    }
+
+    return isMapToString.working
+        ? isMapToString(value)
+        : value instanceof Map;
+}
+exports.isMap = isMap;
+
+function isSetToString(value) {
+    return ObjectToString(value) === '[object Set]';
+}
+isSetToString.working = (
+    typeof Set !== 'undefined' &&
+    isSetToString(new Set())
+);
+function isSet(value) {
+    if (typeof Set === 'undefined') {
+        return false;
+    }
+
+    return isSetToString.working
+        ? isSetToString(value)
+        : value instanceof Set;
+}
+exports.isSet = isSet;
+
+function isWeakMapToString(value) {
+    return ObjectToString(value) === '[object WeakMap]';
+}
+isWeakMapToString.working = (
+    typeof WeakMap !== 'undefined' &&
+    isWeakMapToString(new WeakMap())
+);
+function isWeakMap(value) {
+    if (typeof WeakMap === 'undefined') {
+        return false;
+    }
+
+    return isWeakMapToString.working
+        ? isWeakMapToString(value)
+        : value instanceof WeakMap;
+}
+exports.isWeakMap = isWeakMap;
+
+function isWeakSetToString(value) {
+    return ObjectToString(value) === '[object WeakSet]';
+}
+isWeakSetToString.working = (
+    typeof WeakSet !== 'undefined' &&
+    isWeakSetToString(new WeakSet())
+);
+function isWeakSet(value) {
+    return isWeakSetToString(value);
+    if (typeof WeakSet === 'undefined') {
+        return false;
+    }
+
+    return isWeakSetToString.working
+        ? isWeakSetToString(value)
+        : value instanceof WeakSet;
+}
+exports.isWeakSet = isWeakSet;
+
+function isArrayBufferToString(value) {
+    return ObjectToString(value) === '[object ArrayBuffer]';
+}
+isArrayBufferToString.working = (
+    typeof ArrayBuffer !== 'undefined' &&
+    // @ts-ignore
+    isArrayBufferToString(new ArrayBuffer())
+);
+function isArrayBuffer(value) {
+    if (typeof ArrayBuffer === 'undefined') {
+        return false;
+    }
+
+    return isArrayBufferToString.working
+        ? isArrayBufferToString(value)
+        : value instanceof ArrayBuffer;
+}
+exports.isArrayBuffer = isArrayBuffer;
+
+function isDataViewToString(value) {
+    return ObjectToString(value) === '[object DataView]';
+}
+isDataViewToString.working = (
+    typeof ArrayBuffer !== 'undefined' &&
+    typeof DataView !== 'undefined' &&
+    isDataViewToString(new DataView(new ArrayBuffer(1), 0, 1))
+);
+function isDataView(value) {
+    if (typeof DataView === 'undefined') {
+        return false;
+    }
+
+    return isDataViewToString.working
+        ? isDataViewToString(value)
+        : value instanceof DataView;
+}
+exports.isDataView = isDataView;
+
+function isSharedArrayBufferToString(value) {
+    return ObjectToString(value) === '[object SharedArrayBuffer]';
+}
+isSharedArrayBufferToString.working = (
+    typeof SharedArrayBuffer !== 'undefined' &&
+    // @ts-ignore
+    isSharedArrayBufferToString(new SharedArrayBuffer())
+);
+function isSharedArrayBuffer(value) {
+    if (typeof SharedArrayBuffer === 'undefined') {
+        return false;
+    }
+
+    return isSharedArrayBufferToString.working
+        ? isSharedArrayBufferToString(value)
+        : value instanceof SharedArrayBuffer;
+}
+exports.isSharedArrayBuffer = isSharedArrayBuffer;
+
+function isAsyncFunction(value) {
+    return ObjectToString(value) === '[object AsyncFunction]';
+}
+exports.isAsyncFunction = isAsyncFunction;
+
+function isMapIterator(value) {
+    return ObjectToString(value) === '[object Map Iterator]';
+}
+exports.isMapIterator = isMapIterator;
+
+function isSetIterator(value) {
+    return ObjectToString(value) === '[object Set Iterator]';
+}
+exports.isSetIterator = isSetIterator;
+
+function isGeneratorObject(value) {
+    return ObjectToString(value) === '[object Generator]';
+}
+exports.isGeneratorObject = isGeneratorObject;
+
+function isWebAssemblyCompiledModule(value) {
+    return ObjectToString(value) === '[object WebAssembly.Module]';
+}
+exports.isWebAssemblyCompiledModule = isWebAssemblyCompiledModule;
+
+function isNumberObject(value) {
+    return checkBoxedPrimitive(value, numberValue);
+}
+exports.isNumberObject = isNumberObject;
+
+function isStringObject(value) {
+    return checkBoxedPrimitive(value, stringValue);
+}
+exports.isStringObject = isStringObject;
+
+function isBooleanObject(value) {
+    return checkBoxedPrimitive(value, booleanValue);
+}
+exports.isBooleanObject = isBooleanObject;
+
+function isBigIntObject(value) {
+    return BigIntSupported && checkBoxedPrimitive(value, bigIntValue);
+}
+exports.isBigIntObject = isBigIntObject;
+
+function isSymbolObject(value) {
+    return SymbolSupported && checkBoxedPrimitive(value, symbolValue);
+}
+exports.isSymbolObject = isSymbolObject;
+
+function isBoxedPrimitive(value) {
+    return (
+        isNumberObject(value) ||
+        isStringObject(value) ||
+        isBooleanObject(value) ||
+        isBigIntObject(value) ||
+        isSymbolObject(value)
+    );
+}
+exports.isBoxedPrimitive = isBoxedPrimitive;
+
+function isAnyArrayBuffer(value) {
+    return Uint8ArraySupported && (
+        isArrayBuffer(value) ||
+        isSharedArrayBuffer(value)
+    );
+}
+exports.isAnyArrayBuffer = isAnyArrayBuffer;
+
+['isProxy', 'isExternal', 'isModuleNamespaceObject'].forEach(function (method) {
+    Object.defineProperty(exports, method, {
+        enumerable: false,
+        value: function () {
+            throw new Error(method + ' is not supported in userland');
+        }
+    });
+});
\ No newline at end of file