7 changed files with 602 additions and 427 deletions
@@ -1,68 +0,0 @@
-#!/usr/bin/env node -r esm
-
-import 'localenv';
-import optimist from 'optimist';
-
-import log from 'book';
-import Debug from 'debug';
-
-import CreateServer from '../server';
-
-const debug = Debug('localtunnel');
-
-const argv = optimist
-    .usage('Usage: $0 --port [num]')
-    .options('secure', {
-        default: false,
-        describe: 'use this flag to indicate proxy over https'
-    })
-    .options('port', {
-        default: '80',
-        describe: 'listen on this port for outside requests'
-    })
-    .options('address', {
-        default: '0.0.0.0',
-        describe: 'IP address to bind to'
-    })
-    .options('domain', {
-        describe: 'Specify the base domain name. This is optional if hosting localtunnel from a regular example.com domain. This is required if hosting a localtunnel server from a subdomain (i.e. lt.example.dom where clients will be client-app.lt.example.come)',
-    })
-    .options('max-sockets', {
-        default: 10,
-        describe: 'maximum number of tcp sockets each client is allowed to establish at one time (the tunnels)'
-    })
-    .argv;
-
-if (argv.help) {
-    optimist.showHelp();
-    process.exit();
-}
-
-const server = CreateServer({
-    max_tcp_sockets: argv['max-sockets'],
-    secure: argv.secure,
-    domain: argv.domain,
-});
-
-server.listen(argv.port, argv.address, () => {
-    debug('server listening on port: %d', server.address().port);
-});
-
-process.on('SIGINT', () => {
-    process.exit();
-});
-
-process.on('SIGTERM', () => {
-    process.exit();
-});
-
-process.on('uncaughtException', (err) => {
-    log.error(err);
-});
-
-process.on('unhandledRejection', (reason, promise) => {
-    log.error(reason);
-});
-
-// vim: ft=javascript
-
@@ -0,0 +1,94 @@
+import 'localenv';
+import yargs from 'yargs'
+import { hideBin } from 'yargs/helpers'
+import log from 'book';
+import Debug from 'debug';
+import CreateServer from '../server';
+
+const debug = Debug('localtunnel');
+
+const DEFAULT_MIN_PORT = 8000;
+const DEFAULT_MAX_PORT = 65535;
+
+const argv = yargs(hideBin(process.argv))
+  .usage('Usage: $0 <command> [option]')
+  .option('secure', {
+    alias: 's',
+    type: 'boolean',
+    default: false,
+    description: 'Use this flag to indicate proxy over https'
+  })
+  .option('port', {
+    alias: 'p',
+    type: 'number',
+    default: 80,
+    description: 'Listen on this port for outside requests'
+  })
+  .option('address', {
+    default: '0.0.0.0',
+    description: 'IP address to bind to'
+  })
+  .option('domain', {
+    type: 'string',
+    description: 'Specify the base domain name. This is optional if hosting localtunnel from a regular example.com domain. This is required if hosting a localtunnel server from a subdomain (i.e. lt.example.dom where clients will be client-app.lt.example.come)',
+  })
+  .option('max-sockets', {
+    default: 10,
+    type: 'count',
+    description: 'Maximum number of tcp sockets each client is allowed to establish at one time (the tunnels)'
+  })
+  .option('min-port', {
+    default: DEFAULT_MIN_PORT,
+    type: 'number',
+    description: 'The minimum number of TCP ports to use for the localtunnel clients connecting to the server.'
+  })
+  .option('max-port', {
+    default: DEFAULT_MAX_PORT,
+    type: 'number',
+    description: 'The maximum number of TCP ports to use for the localtunnel clients connecting to the server.'
+  })
+  .argv;
+
+const minPort = argv['min-port'];
+const maxPort = argv['max-port'];
+
+const { address, port, secure, domain, maxSockets } = argv;
+
+if (Number.isInteger(minPort) && minPort < DEFAULT_MIN_PORT) {
+  console.error(`min-port must be a number greater than ${DEFAULT_MIN_PORT}`);
+  process.exit();
+} else if (Number.isInteger(maxPort) && maxPort > DEFAULT_MAX_PORT) {
+  console.error(`max-port must be a number less than ${DEFAULT_MAX_PORT}`);
+  process.exit();
+} else if (minPort >= maxPort) {
+  console.error(`min-port must be less than min-port`);
+  process.exit();
+}
+
+const server = CreateServer({
+  maxTcpSockets: maxSockets,
+  secure,
+  domain,
+  minPort,
+  maxPort,
+});
+
+server.listen(port, address, () => {
+  debug('server listening on port: %d', server.address().port);
+});
+
+process.on('SIGINT', () => {
+  process.exit();
+});
+
+process.on('SIGTERM', () => {
+  process.exit();
+});
+
+process.on('uncaughtException', (err) => {
+  log.error(err);
+});
+
+process.on('unhandledRejection', (reason) => {
+  log.error(reason);
+});
@@ -37,10 +37,14 @@ class ClientManager {
      id = hri.random();
    }

-        const maxSockets = this.opt.max_tcp_sockets;
+    const maxSockets = this.opt.maxTcpSockets;
+    const minPort = this.opt.minPort;
+    const maxPort = this.opt.maxPort;
    const agent = new TunnelAgent({
      clientId: id,
      maxSockets: 10,
+      minPort,
+      maxPort
    });

    const client = new Client({
@@ -1,8 +1,8 @@
 import { Agent } from 'http';
 import net from 'net';
-import assert from 'assert';
 import log from 'book';
 import Debug from 'debug';
+import { getPort } from 'portfinder';

 const DEFAULT_MAX_SOCKETS = 10;

@@ -31,6 +31,10 @@ class TunnelAgent extends Agent {
    this.connectedSockets = 0;
    this.maxTcpSockets = options.maxTcpSockets || DEFAULT_MAX_SOCKETS;

+    // Port range
+    this.minPort = options.minPort || 8000;
+    this.maxPort = options.maxPort || 65535;
+
    // new tcp server to service requests for this client
    this.server = net.createServer();

@@ -62,14 +66,19 @@ class TunnelAgent extends Agent {
      log.error(err);
    });

-        return new Promise((resolve) => {
-            server.listen(() => {
-                const port = server.address().port;
-                this.debug('tcp server listening on port: %d', port);
-
+    return new Promise((resolve, reject) => {
+      getPort({
+        port: this.minPort,    // minimum port
+        stopPort: this.maxPort // maximum port
+      }, (err, port) => {
+        if (err) {
+          reject(err);
+        }
+        server.listen(port, () => {
          resolve({
            // port for lt client tcp connections
-                    port: port,
+            port,
+          });
        });
      });
    });
@@ -16,9 +16,10 @@
    "koa": "2.5.1",
    "koa-router": "7.4.0",
    "localenv": "0.2.2",
-    "optimist": "0.6.1",
+    "portfinder": "1.0.28",
    "pump": "3.0.0",
-    "tldjs": "2.3.1"
+    "tldjs": "2.3.1",
+    "yargs": "16.2.0"
  },
  "devDependencies": {
    "mocha": "5.1.1",
@@ -28,7 +29,7 @@
  },
  "scripts": {
    "test": "mocha --check-leaks --require esm './**/*.test.js'",
-    "start": "./bin/server",
-    "dev": "node-dev bin/server --port 3000"
+    "start": "node -r esm ./bin/server --port 3000",
+    "dev": "node-dev -r esm bin/server --port 3000 --domain http://localhost:3000"
  }
 }
@@ -1,4 +1,3 @@
-import log from 'book';
 import Koa from 'koa';
 import tldjs from 'tldjs';
 import Debug from 'debug';
@@ -13,10 +13,22 @@ ansi-regex@^2.0.0:
  version "2.1.1"
  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"

+ansi-regex@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.0.tgz#388539f55179bf39339c81af30a654d69f87cb75"
+  integrity sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==
+
 ansi-styles@^2.2.1:
  version "2.2.1"
  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"

+ansi-styles@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+  integrity sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==
+  dependencies:
+    color-convert "^2.0.1"
+
 ansicolors@~0.2.1:
  version "0.2.1"
  resolved "https://registry.yarnpkg.com/ansicolors/-/ansicolors-0.2.1.tgz#be089599097b74a5c9c4a84a0cdbcdb62bd87aef"
@@ -33,6 +45,13 @@ async-limiter@~1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"

+async@^2.6.2:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
+  integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
+  dependencies:
+    lodash "^4.17.14"
+
 asynckit@^0.4.0:
  version "0.4.0"
  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -103,10 +122,31 @@ cli-usage@^0.1.1:
    marked "^0.3.12"
    marked-terminal "^2.0.0"

+cliui@^7.0.2:
+  version "7.0.4"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-7.0.4.tgz#a0265ee655476fc807aea9df3df8df7783808b4f"
+  integrity sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==
+  dependencies:
+    string-width "^4.2.0"
+    strip-ansi "^6.0.0"
+    wrap-ansi "^7.0.0"
+
 co@^4.6.0:
  version "4.6.0"
  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"

+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==
+  dependencies:
+    color-name "~1.1.4"
+
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
+
 [email protected]:
  version "1.0.3"
  resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
@@ -179,6 +219,13 @@ debug@*, [email protected], debug@^3.1.0:
  dependencies:
    ms "2.0.0"

+debug@^3.1.1:
+  version "3.2.7"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.7.tgz#72580b7e9145fb39b6676f9c5e5fb100b934179a"
+  integrity sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==
+  dependencies:
+    ms "^2.1.1"
+
 decamelize@^1.1.2:
  version "1.2.0"
  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -217,6 +264,11 @@ [email protected]:
  version "1.1.1"
  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"

+emoji-regex@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-8.0.0.tgz#e818fd69ce5ccfcb404594f842963bf53164cc37"
+  integrity sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==
+
 end-of-stream@^1.1.0:
  version "1.4.1"
  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
@@ -239,6 +291,11 @@ [email protected]:
  dependencies:
    stackframe "^0.3.1"

+escalade@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
+  integrity sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==
+
 escape-html@~1.0.1:
  version "1.0.3"
  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -296,6 +353,11 @@ fs.realpath@^1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"

+get-caller-file@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
+
 get-stdin@^4.0.1:
  version "4.0.1"
  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
@@ -400,6 +462,11 @@ is-finite@^1.0.0:
  dependencies:
    number-is-nan "^1.0.0"

+is-fullwidth-code-point@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz#f116f8064fe90b3f7844a38997c0b75051269f1d"
+  integrity sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==
+
 is-generator-function@^1.0.3:
  version "1.0.7"
  resolved "https://registry.yarnpkg.com/is-generator-function/-/is-generator-function-1.0.7.tgz#d2132e529bb0000a7f80794d4bdf5cd5e5813522"
@@ -586,6 +653,11 @@ lodash.toarray@^4.4.0:
  version "4.4.0"
  resolved "https://registry.yarnpkg.com/lodash.toarray/-/lodash.toarray-4.4.0.tgz#24c4bfcd6b2fba38bfd0594db1179d8e9b656561"

+lodash@^4.17.14:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
 loud-rejection@^1.0.0:
  version "1.6.0"
  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
@@ -662,9 +734,10 @@ minimist@^1.1.1, minimist@^1.1.3:
  version "1.2.0"
  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"

-minimist@~0.0.1:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==

 [email protected]:
  version "0.5.1"
@@ -672,6 +745,13 @@ [email protected]:
  dependencies:
    minimist "0.0.8"

+mkdirp@^0.5.5:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  dependencies:
+    minimist "^1.2.5"
+
 [email protected]:
  version "5.1.1"
  resolved "https://registry.yarnpkg.com/mocha/-/mocha-5.1.1.tgz#b774c75609dac05eb48f4d9ba1d827b97fde8a7b"
@@ -692,6 +772,11 @@ [email protected]:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"

+ms@^2.1.1:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
+  integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
+
 [email protected]:
  version "0.6.1"
  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
@@ -766,13 +851,6 @@ [email protected]:
  version "0.0.2"
  resolved "https://registry.yarnpkg.com/only/-/only-0.0.2.tgz#2afde84d03e50b9a8edc444e30610a70295edfb4"

-[email protected]:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
-  dependencies:
-    minimist "~0.0.1"
-    wordwrap "~0.0.2"
-
 parse-json@^2.2.0:
  version "2.2.0"
  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
@@ -825,6 +903,15 @@ pinkie@^2.0.0:
  version "2.0.4"
  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"

+[email protected]:
+  version "1.0.28"
+  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.28.tgz#67c4622852bd5374dd1dd900f779f53462fac778"
+  integrity sha512-Se+2isanIcEqf2XMHjyUKskczxbPH7dQnlMjXX6+dybayyHvAf/TCgyMRlzf/B6QDhAEFOGes0pzRo3by4AbMA==
+  dependencies:
+    async "^2.6.2"
+    debug "^3.1.1"
+    mkdirp "^0.5.5"
+
 process-nextick-args@~2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
@@ -890,6 +977,11 @@ repeating@^2.0.0:
  dependencies:
    is-finite "^1.0.0"

+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
 resolve@^1.0.0:
  version "1.7.1"
  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.7.1.tgz#aadd656374fd298aee895bc026b8297418677fd3"
@@ -946,6 +1038,15 @@ stackframe@^0.3.1:
  version "1.5.0"
  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"

+string-width@^4.1.0, string-width@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.0.tgz#952182c46cc7b2c313d1596e623992bd163b72b5"
+  integrity sha512-zUz5JD+tgqtuDjMhwIg5uFVV3dtqZ9yQJlZVfq4I01/K5Paj5UHj7VyrQOJvzawSVlKpObApbfD0Ed6yJc+1eg==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.0"
+
 string_decoder@~1.1.1:
  version "1.1.1"
  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -958,6 +1059,13 @@ strip-ansi@^3.0.0:
  dependencies:
    ansi-regex "^2.0.0"

+strip-ansi@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.0.tgz#0b1571dd7669ccd4f3e06e14ef1eed26225ae532"
+  integrity sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==
+  dependencies:
+    ansi-regex "^5.0.0"
+
 strip-bom@^2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
@@ -1044,9 +1152,14 @@ which@^1.0.5:
  dependencies:
    isexe "^2.0.0"

-wordwrap@~0.0.2:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+wrap-ansi@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
+  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"

 wrappy@1:
  version "1.0.2"
@@ -1064,3 +1177,26 @@ xtend@~2.0.6:
  dependencies:
    is-object "~0.1.2"
    object-keys "~0.2.0"
+
+y18n@^5.0.5:
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-5.0.5.tgz#8769ec08d03b1ea2df2500acef561743bbb9ab18"
+  integrity sha512-hsRUr4FFrvhhRH12wOdfs38Gy7k2FFzB9qgN9v3aLykRq0dRcdcpz5C9FxdS2NuhOrI/628b/KSTJ3rwHysYSg==
+
+yargs-parser@^20.2.2:
+  version "20.2.4"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-20.2.4.tgz#b42890f14566796f85ae8e3a25290d205f154a54"
+  integrity sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==
+
+[email protected]:
+  version "16.2.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-16.2.0.tgz#1c82bf0f6b6a66eafce7ef30e376f49a12477f66"
+  integrity sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==
+  dependencies:
+    cliui "^7.0.2"
+    escalade "^3.1.1"
+    get-caller-file "^2.0.5"
+    require-directory "^2.1.1"
+    string-width "^4.2.0"
+    y18n "^5.0.5"
+    yargs-parser "^20.2.2"