From fa0d0b602f10a3671ff00151028990c57d8ab447 Mon Sep 17 00:00:00 2001
From: lain <lain@soykaf.club>
Date: Thu, 3 Dec 2020 16:17:39 +0100
Subject: [PATCH] Emoji: Also accept regional indicators

---
 lib/pleroma/emoji.ex        | 7 +++++++
 test/pleroma/emoji_test.exs | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/lib/pleroma/emoji.ex b/lib/pleroma/emoji.ex
index 201212779..513fb59f8 100644
--- a/lib/pleroma/emoji.ex
+++ b/lib/pleroma/emoji.ex
@@ -104,6 +104,11 @@ defmodule Pleroma.Emoji do
 
   @external_resource "lib/pleroma/emoji-test.txt"
 
+  regional_indicators =
+    Enum.map(127_462..127_487, fn codepoint ->
+      <<codepoint::utf8>>
+    end)
+
   emojis =
     @external_resource
     |> File.read!()
@@ -125,6 +130,8 @@ defmodule Pleroma.Emoji do
     end)
     |> Enum.uniq()
 
+  emojis = emojis ++ regional_indicators
+
   for emoji <- emojis do
     def is_unicode_emoji?(unquote(emoji)), do: true
   end
diff --git a/test/pleroma/emoji_test.exs b/test/pleroma/emoji_test.exs
index 97af25280..9cfd7b46b 100644
--- a/test/pleroma/emoji_test.exs
+++ b/test/pleroma/emoji_test.exs
@@ -20,6 +20,11 @@ defmodule Pleroma.EmojiTest do
       assert Emoji.is_unicode_emoji?("🤰")
       assert Emoji.is_unicode_emoji?("❤️")
       assert Emoji.is_unicode_emoji?("🏳️‍⚧️")
+
+      # Additionally, we accept regional indicators.
+      assert Emoji.is_unicode_emoji?("🇵")
+      assert Emoji.is_unicode_emoji?("🇴")
+      assert Emoji.is_unicode_emoji?("🇬")
     end
   end