Properly Count Emoji Characters(#2)

* Emoji get properly count when evaluating the number of characters

* prepare for new release

* Updated README

* emoji-fix updated original author info

* emoji-fix test cases for emoji

README.md

@@ -12,7 +12,7 @@ The package can be installed by adding `sms_part_counter` to your list of depend
 ```elixir
 def deps do
   [
-    {:sms_part_counter, "~> 0.1.3"}
+    {:sms_part_counter, "~> 0.1.7"}
   ]
 end
 ```

lib/sms_part_counter.ex

@@ -26,8 +26,11 @@ defmodule SmsPartCounter do
   """
   @spec count(binary) :: integer()
   def count(str) when is_binary(str) do
-    String.codepoints(str)
-    |> Enum.count()
+    codepoints = String.to_charlist(str)
+
+    codepoints
+    |> Enum.count(fn cp -> cp > 0xFFFF end)
+    |> then(&(&1 + Enum.count(codepoints)))
   end
 
   @doc """

mix.exs

@@ -4,7 +4,7 @@ defmodule SmsPartCounter.MixProject do
   def project do
     [
       app: :sms_part_counter,
-      version: "0.1.6",
+      version: "0.1.7",
       elixir: "~> 1.13",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
@@ -35,6 +35,7 @@ defmodule SmsPartCounter.MixProject do
 
   defp package() do
     [
+      maintainers: ["m4hi2", "Rum&Code"],
       licenses: ["MIT"],
       links: %{"GitHub" => "https://github.com/m4hi2/sms-counter"}
     ]

test/sms_part_counter_test.exs

@@ -21,6 +21,14 @@ defmodule SmsPartCounterTest do
       assert SmsPartCounter.count(" ") == 1
       assert SmsPartCounter.count("আমি তুমি") == 8
     end
+
+    test "can count emoji characters" do
+      assert SmsPartCounter.count("👨‍👨‍👧‍👧") == 11
+      assert SmsPartCounter.count("😃") == 2
+      assert SmsPartCounter.count("😃🥃💻") == 6
+      assert SmsPartCounter.count("👨‍👨‍👧‍👧😃") == 13
+      assert SmsPartCounter.count("👨‍👨‍👧‍👧😃👨‍👨‍👧‍👧") == 24
+    end
   end
 
   describe "GSM 7bit encoding SMS part counter" do