From c30ff6e9ab8cdfa2d6617260c570dbca3ff1fe1d Mon Sep 17 00:00:00 2001
From: Stephen Young <stephen@customer.io>
Date: Thu, 21 May 2026 23:35:39 -0400
Subject: [PATCH] Remove unused ParamEncoder module
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ParamEncoder was required but never called anywhere in the gem.
Dead code — removing to reduce maintenance surface.
---
 lib/customerio.rb               |  1 -
 lib/customerio/param_encoder.rb | 63 ---------------------------------
 2 files changed, 64 deletions(-)
 delete mode 100644 lib/customerio/param_encoder.rb

diff --git a/lib/customerio.rb b/lib/customerio.rb
index 327b974..641113b 100644
--- a/lib/customerio.rb
+++ b/lib/customerio.rb
@@ -13,5 +13,4 @@ module Customerio
   require "customerio/requests/send_in_app_request"
   require "customerio/requests/trigger_broadcast_request"
   require "customerio/api"
-  require "customerio/param_encoder"
 end
diff --git a/lib/customerio/param_encoder.rb b/lib/customerio/param_encoder.rb
deleted file mode 100644
index b561553..0000000
--- a/lib/customerio/param_encoder.rb
+++ /dev/null
@@ -1,63 +0,0 @@
-# frozen_string_literal: true
-
-# Based on HTTParty's HashConversions:
-#
-# https://github.com/jnunemaker/httparty/blob/master/lib/httparty/hash_conversions.rb
-#
-# License: MIT https://github.com/jnunemaker/httparty/blob/master/MIT-LICENSE
-
-require "erb"
-
-module Customerio
-  class ParamEncoder
-    # @return <String> This hash as a query string
-    #
-    # @example
-    #   { name: "Bob",
-    #     address: {
-    #       street: '111 Ruby Ave.',
-    #       city: 'Ruby Central',
-    #       phones: ['111-111-1111', '222-222-2222']
-    #     }
-    #   }.to_params
-    #     #=> "name=Bob&address[city]=Ruby Central&..."
-    def self.to_params(hash)
-      hash.to_hash.map { |k, v| normalize_param(k, v) }.join.chop
-    end
-
-    # @param key<Object> The key for the param.
-    # @param value<Object> The value for the param.
-    #
-    # @return <String> This key value pair as a param
-    #
-    # @example normalize_param(:name, "Bob Jones") #=> "name=Bob%20Jones&"
-    def self.normalize_param(key, value)
-      param = String.new
-      stack = []
-
-      if value.respond_to?(:to_ary)
-        param << value.to_ary.map { |element| normalize_param("#{key}[]", element) }.join
-      elsif value.respond_to?(:to_hash)
-        stack << [key, value.to_hash]
-      else
-        param << "#{key}=#{escape_value(value)}&"
-      end
-
-      stack.each do |parent, hash|
-        hash.each do |k, v|
-          if v.respond_to?(:to_hash)
-            stack << ["#{parent}[#{k}]", v.to_hash]
-          else
-            param << normalize_param("#{parent}[#{k}]", v)
-          end
-        end
-      end
-
-      param
-    end
-
-    def self.escape_value(value)
-      ERB::Util.url_encode(value.to_s)
-    end
-  end
-end