From e39c3298d6fed420dfcf768dce25792608bf132a Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Sat, 29 Jun 2019 07:28:09 +0100
Subject: [PATCH 1/3] Emojibase data includes blank variations, accept these
 when scanning

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/HtmlUtils.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/HtmlUtils.js b/src/HtmlUtils.js
index 6cd06678ea..3777ffe46b 100644
--- a/src/HtmlUtils.js
+++ b/src/HtmlUtils.js
@@ -1,6 +1,7 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
 Copyright 2017, 2018 New Vector Ltd
+Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -26,7 +27,6 @@ import * as linkify from 'linkifyjs';
 import linkifyMatrix from './linkify-matrix';
 import _linkifyElement from 'linkifyjs/element';
 import _linkifyString from 'linkifyjs/string';
-import escape from 'lodash/escape';
 import classNames from 'classnames';
 import MatrixClientPeg from './MatrixClientPeg';
 import url from 'url';
@@ -57,6 +57,8 @@ const COLOR_REGEX = /^#[0-9a-fA-F]{6}$/;
 
 const PERMITTED_URL_SCHEMES = ['http', 'https', 'ftp', 'mailto', 'magnet'];
 
+const VARIATION_SELECTOR = String.fromCharCode(0xFE0F);
+
 /*
  * Return true if the given string contains emoji
  * Uses a much, much simpler regex than emojibase's so will give false
@@ -77,6 +79,7 @@ export function isSingleEmoji(str) {
     return mightContainEmoji(str) && SINGLE_EMOJI_REGEX.test(str);
 }
 
+
 /**
  * Returns the shortcode for an emoji character.
  *
@@ -84,7 +87,8 @@ export function isSingleEmoji(str) {
  * @return {String} The shortcode (such as :thumbup:)
  */
 export function unicodeToShortcode(char) {
-    const data = EMOJIBASE.find(e => e.unicode === char);
+    const emptyVariation = char + VARIATION_SELECTOR;
+    const data = EMOJIBASE.find(e => e.unicode === char || e.unicode === emptyVariation);
     return (data && data.shortcodes ? `:${data.shortcodes[0]}:` : '');
 }
 

From d0c8e095320604f41e9a0626bc11cdb769449d14 Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Sat, 29 Jun 2019 07:30:16 +0100
Subject: [PATCH 2/3] delint

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/HtmlUtils.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/HtmlUtils.js b/src/HtmlUtils.js
index 3777ffe46b..16c84deedd 100644
--- a/src/HtmlUtils.js
+++ b/src/HtmlUtils.js
@@ -79,7 +79,6 @@ export function isSingleEmoji(str) {
     return mightContainEmoji(str) && SINGLE_EMOJI_REGEX.test(str);
 }
 
-
 /**
  * Returns the shortcode for an emoji character.
  *

From ecc672cccc90dfb3f1dca95d8ee0f80d2ce1bc01 Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Fri, 5 Jul 2019 08:40:00 +0100
Subject: [PATCH 3/3] add comment

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/HtmlUtils.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/HtmlUtils.js b/src/HtmlUtils.js
index 16c84deedd..73ab28e65c 100644
--- a/src/HtmlUtils.js
+++ b/src/HtmlUtils.js
@@ -86,6 +86,8 @@ export function isSingleEmoji(str) {
  * @return {String} The shortcode (such as :thumbup:)
  */
 export function unicodeToShortcode(char) {
+    // Check against both the char and the char with an empty variation selector appended because that's how
+    // emoji-base stores its base emojis which have variations. https://github.com/vector-im/riot-web/issues/9785
     const emptyVariation = char + VARIATION_SELECTOR;
     const data = EMOJIBASE.find(e => e.unicode === char || e.unicode === emptyVariation);
     return (data && data.shortcodes ? `:${data.shortcodes[0]}:` : '');