From de06780d5b7e491181cfab33e47db6d71523c18c Mon Sep 17 00:00:00 2001
From: Alex McLain <alex@alexmclain.com>
Date: Wed, 17 Sep 2025 16:23:42 -0700
Subject: [PATCH] Optional boolean that is not present returns nil

---
 lib/speck.ex        | 13 +++++--------
 test/speck_test.exs |  9 +++++----
 2 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/lib/speck.ex b/lib/speck.ex
index f8d4fe9..e6390e8 100644
--- a/lib/speck.ex
+++ b/lib/speck.ex
@@ -57,13 +57,6 @@ defmodule Speck do
             }
         end
 
-      opts[:optional] && is_nil(raw_value) && type == :boolean ->
-        {
-          Map.put(fields, name, false),
-          errors,
-          make_meta(name, field_status, raw_value)
-        }
-
       is_nil(opts[:optional]) && is_nil(raw_value) ->
         {
           fields,
@@ -72,7 +65,11 @@ defmodule Speck do
         }
 
       opts[:optional] && is_nil(raw_value) ->
-        {fields, errors, make_meta(name, field_status, raw_value)}
+        {
+          Map.put(fields, name, nil),
+          errors,
+          make_meta(name, field_status, raw_value)
+        }
 
       is_list(type) ->
         raw_value
diff --git a/test/speck_test.exs b/test/speck_test.exs
index 6a71501..7798c62 100644
--- a/test/speck_test.exs
+++ b/test/speck_test.exs
@@ -7,6 +7,7 @@ defmodule Speck.Test do
       "type"           => "air_quality",
       "rs485_address"  => "5",
       "serial_number"  => "DEVICE1234567890",
+      # wifi_ssid      => not present
       # low_power_mode => not present
       "dns_servers"    => [
         "1.1.1.1",
@@ -34,7 +35,7 @@ defmodule Speck.Test do
         rs485_address:  5,
         serial_number:  "DEVICE1234567890",
         wifi_ssid:      nil,
-        low_power_mode: false,
+        low_power_mode: nil,
         dns_servers:    [
           "1.1.1.1",
           "1.0.0.1",
@@ -702,8 +703,8 @@ defmodule Speck.Test do
         attribute_5: 5
       },
       list_attribute_1: [
-        %{},
-        %{attribute_9: 9}
+        %{attribute_9: nil},
+        %{attribute_9: 9},
       ],
       list_attribute_2: []
     }
@@ -767,7 +768,7 @@ defmodule Speck.Test do
       partially_known_nested: %{
         attribute_5: 5
       },
-      list_attribute_1: [%{}],
+      list_attribute_1: [%{attribute_9: nil}],
       list_attribute_2: []
     }