From a591f870f552e8cffa7bbb00d8345b2c969251bb Mon Sep 17 00:00:00 2001
From: Tomoaki Abe <abe@enzou.tokyo>
Date: Fri, 11 Oct 2019 12:59:32 +0900
Subject: [PATCH] Support Node.js 0.10 (Revert #1059) (#1074)

fix #1073
---
 CHANGELOG.md      | 5 +++++
 index.js          | 6 +++---
 package-lock.json | 4 ++--
 package.json      | 2 +-
 4 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index cbfd20d06..5a60383f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+2.20.2 / 2019-10-11
+==================
+
+  * Support Node.js 0.10 (Revert #1059)
+
 2.20.1 / 2019-09-29
 ==================
 
diff --git a/index.js b/index.js
index aa8fdbd4d..ec1d61d58 100644
--- a/index.js
+++ b/index.js
@@ -99,7 +99,7 @@ Option.prototype.is = function(arg) {
 function Command(name) {
   this.commands = [];
   this.options = [];
-  this._execs = new Set();
+  this._execs = {};
   this._allowUnknownOption = false;
   this._args = [];
   this._name = name || '';
@@ -178,7 +178,7 @@ Command.prototype.command = function(name, desc, opts) {
   if (desc) {
     cmd.description(desc);
     this.executables = true;
-    this._execs.add(cmd._name);
+    this._execs[cmd._name] = true;
     if (opts.isDefault) this.defaultExecutable = cmd._name;
   }
   cmd._noHelp = !!opts.noHelp;
@@ -484,7 +484,7 @@ Command.prototype.parse = function(argv) {
     })[0];
   }
 
-  if (this._execs.has(name)) {
+  if (this._execs[name] === true) {
     return this.executeSubCommand(argv, args, parsed.unknown);
   } else if (aliasCommand) {
     // is alias of a subCommand
diff --git a/package-lock.json b/package-lock.json
index 27680f753..e4de9f7eb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "commander",
-  "version": "2.20.1",
+  "version": "2.20.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2030,7 +2030,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
diff --git a/package.json b/package.json
index 5e977fef1..096f894ee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "commander",
-  "version": "2.20.1",
+  "version": "2.20.2",
   "description": "the complete solution for node.js command-line programs",
   "keywords": [
     "commander",