Replace MultiJson with JSON in JSON middleware

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.24.0 (2025-12-18)
+
+- Replace `MultiJson` in `Ears::Middlewares::JSON` with `JSON`
+
 ## 0.23.0 (2025-11-06)
 
 - Add `have_been_published` rspec matcher

Gemfile.lock

@@ -1,10 +1,10 @@
 PATH
   remote: .
   specs:
-    ears (0.23.0)
+    ears (0.24.0)
       bunny (>= 2.22.0)
       connection_pool (~> 2.4)
-      multi_json
+      json (>= 2.9.0)
 
 GEM
   remote: https://rubygems.org/
@@ -20,7 +20,6 @@ GEM
     json (2.13.2)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
-    multi_json (1.17.0)
     parallel (1.27.0)
     parser (3.3.9.0)
       ast (~> 2.4.1)
@@ -84,13 +83,9 @@ GEM
     yard (0.9.37)
 
 PLATFORMS
-  arm64-darwin-20
-  arm64-darwin-21
-  arm64-darwin-22
+  arm64-darwin
   ruby
-  x86_64-darwin-20
-  x86_64-darwin-21
-  x86_64-darwin-22
+  x86_64-darwin
   x86_64-linux
 
 DEPENDENCIES
@@ -111,11 +106,10 @@ CHECKSUMS
   connection_pool (2.5.4) sha256=e9e1922327416091f3f6542f5f4446c2a20745276b9aa796dd0bb2fd0ea1e70a
   diff-lcs (1.6.2) sha256=9ae0d2cba7d4df3075fe8cd8602a8604993efc0dfa934cff568969efb1909962
   docile (1.4.1) sha256=96159be799bfa73cdb721b840e9802126e4e03dfc26863db73647204c727f21e
-  ears (0.23.0)
+  ears (0.24.0)
   json (2.13.2) sha256=02e1f118d434c6b230a64ffa5c8dee07e3ec96244335c392eaed39e1199dbb68
   language_server-protocol (3.17.0.5) sha256=fd1e39a51a28bf3eec959379985a72e296e9f9acfce46f6a79d31ca8760803cc
   lint_roller (1.1.0) sha256=2c0c845b632a7d172cb849cc90c1bce937a28c5c8ccccb50dfd46a485003cc87
-  multi_json (1.17.0) sha256=76581f6c96aebf2e85f8a8b9854829e0988f335e8671cd1a56a1036eb75e4a1b
   parallel (1.27.0) sha256=4ac151e1806b755fb4e2dc2332cbf0e54f2e24ba821ff2d3dcf86bf6dc4ae130
   parser (3.3.9.0) sha256=94d6929354b1a6e3e1f89d79d4d302cc8f5aa814431a6c9c7e0623335d7687f2
   prettier_print (1.2.1) sha256=a72838b5f23facff21f90a5423cdcdda19e4271092b41f4ea7f50b83929e6ff9

ears.gemspec

@@ -34,5 +34,5 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency 'bunny', '>= 2.22.0'
   spec.add_dependency 'connection_pool', '~> 2.4'
-  spec.add_dependency 'multi_json'
+  spec.add_dependency 'json', '>= 2.9.0'
 end

lib/ears/middlewares/json.rb

@@ -1,5 +1,5 @@
+require 'json'
 require 'ears/middleware'
-require 'multi_json'
 
 module Ears
   module Middlewares
@@ -17,7 +17,7 @@ def initialize(opts = {})
       def call(delivery_info, metadata, payload, app)
         begin
           parsed_payload =
-            MultiJson.load(payload, symbolize_keys: symbolize_keys)
+            ::JSON.parse(payload, symbolize_names: symbolize_keys)
         rescue => e
           return on_error.call(e)
         end

lib/ears/version.rb

@@ -1,3 +1,3 @@
 module Ears
-  VERSION = '0.23.0'
+  VERSION = '0.24.0'
 end

spec/ears/middlewares/json_spec.rb

@@ -6,7 +6,7 @@
     let(:middleware) { Ears::Middlewares::JSON.new(options) }
     let(:delivery_info) { instance_double(Bunny::DeliveryInfo) }
     let(:metadata) { instance_double(Bunny::MessageProperties) }
-    let(:payload) { MultiJson.dump({ my: 'payload' }) }
+    let(:payload) { JSON.generate({ my: 'payload' }) }
     let(:error_handler) { Proc.new { :error_handler_result } }
     let(:options) { { on_error: error_handler } }
 
@@ -85,7 +85,7 @@
 
       it 'calls the error handler with the error' do
         expect(error_handler).to receive(:call).with(
-          instance_of(MultiJson::ParseError),
+          instance_of(JSON::ParserError),
         )
 
         middleware.call(delivery_info, metadata, payload, Proc.new { :success })