From fc3d62f98461de0cf4833c14c57215e704c475c1 Mon Sep 17 00:00:00 2001
From: Christian <git-developer@users.noreply.github.com>
Date: Fri, 14 Jun 2024 07:23:48 +0200
Subject: [PATCH 1/2] [New] Allow array in dotted notation

---
 index.js       | 24 ++++++++++++++++++++++++
 test/dotted.js | 11 +++++++++++
 2 files changed, 35 insertions(+)

diff --git a/index.js b/index.js
index 78cafa8..c3190b4 100644
--- a/index.js
+++ b/index.js
@@ -20,6 +20,23 @@ function isConstructorOrProto(obj, key) {
 	return (key === 'constructor' && typeof obj[key] === 'function') || key === '__proto__';
 }
 
+function resolveArrays(o, key) {
+	var ARRAY = RegExp(/^([^[]+)\[([^\]]+)\](.*)/);
+	var groups = ARRAY.exec(key);
+	while (groups) {
+		var arr = groups[1];
+		var idx = groups[2];
+		var rest = groups[3];
+		if (!Array.isArray(o[arr])) {
+			o[arr] = [];
+		}
+		o = o[arr];
+		key = idx + (rest || '');
+		groups = ARRAY.exec(key);
+	}
+	return [o, key];
+}
+
 module.exports = function (args, opts) {
 	if (!opts) { opts = {}; }
 
@@ -86,9 +103,13 @@ module.exports = function (args, opts) {
 
 	function setKey(obj, keys, value) {
 		var o = obj;
+		var resolved;
 		for (var i = 0; i < keys.length - 1; i++) {
 			var key = keys[i];
 			if (isConstructorOrProto(o, key)) { return; }
+			resolved = resolveArrays(o, key);
+			o = resolved[0];
+			key = resolved[1];
 			if (o[key] === undefined) { o[key] = {}; }
 			if (
 				o[key] === Object.prototype
@@ -103,6 +124,9 @@ module.exports = function (args, opts) {
 
 		var lastKey = keys[keys.length - 1];
 		if (isConstructorOrProto(o, lastKey)) { return; }
+		resolved = resolveArrays(o, lastKey);
+		o = resolved[0];
+		lastKey = resolved[1];
 		if (
 			o === Object.prototype
 			|| o === Number.prototype
diff --git a/test/dotted.js b/test/dotted.js
index c606118..df48773 100644
--- a/test/dotted.js
+++ b/test/dotted.js
@@ -34,3 +34,14 @@ test('dotted array', function (t) {
 
 	t.end();
 });
+
+test('dotted notation with array in square bracket syntax', function (t) {
+	var argv = parse(['--a[1][0].foo', 'x', '--a[1][2]', '42']);
+	t.ok(Array.isArray(argv.a));
+	t.notOk(0 in argv.a);
+	t.ok(Array.isArray(argv.a[1]));
+	t.equal(argv.a[1][0].foo, 'x');
+	t.notOk(1 in argv.a[1]);
+	t.equal(argv.a[1][2].foo, 42);
+	t.end();
+});

From 31b23ca2706c1d5c337c9ffd9628edf6e764eeeb Mon Sep 17 00:00:00 2001
From: Christian <git-developer@users.noreply.github.com>
Date: Fri, 14 Jun 2024 20:24:06 +0200
Subject: [PATCH 2/2] [New] Allow array in dotted notation

---
 index.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index c3190b4..950a29f 100644
--- a/index.js
+++ b/index.js
@@ -22,8 +22,8 @@ function isConstructorOrProto(obj, key) {
 
 function resolveArrays(o, key) {
 	var ARRAY = RegExp(/^([^[]+)\[([^\]]+)\](.*)/);
-	var groups = ARRAY.exec(key);
-	while (groups) {
+	var groups;
+	while ((groups = ARRAY.exec(key))) {
 		var arr = groups[1];
 		var idx = groups[2];
 		var rest = groups[3];
@@ -32,7 +32,6 @@ function resolveArrays(o, key) {
 		}
 		o = o[arr];
 		key = idx + (rest || '');
-		groups = ARRAY.exec(key);
 	}
 	return [o, key];
 }