From 165ad0d4f791f8ae2109472d8a626d911fa368e0 Mon Sep 17 00:00:00 2001
From: Harrison Healey <harrisonmhealey@gmail.com>
Date: Wed, 30 Nov 2016 13:55:49 -0500
Subject: PLT-1378 Initial version of emoji reactions (#4520)

* Refactored emoji.json to support multiple aliases and emoji categories

* Added custom category to emoji.jsx and stabilized all fields

* Removed conflicting aliases for :mattermost: and :ca:

* fixup after store changes

* Added emoji reactions

* Removed reactions for an emoji when that emoji is deleted

* Fixed incorrect test case

* Renamed ReactionList to ReactionListView

* Fixed :+1: and :-1: not showing up as possible reactions

* Removed text emoticons from emoji reaction autocomplete

* Changed emoji reactions to be sorted by the order that they were first created

* Set a maximum number of listeners for the ReactionStore

* Removed unused code from Textbox component

* Fixed reaction permissions

* Changed error code when trying to modify reactions for another user

* Fixed merge conflicts

* Properly applied theme colours to reactions

* Fixed ESLint and gofmt errors

* Fixed ReactionListContainer to properly update when its post prop changes

* Removed unnecessary escape characters from reaction regexes

* Shared reaction message pattern between CreatePost and CreateComment

* Removed an unnecessary select query when saving a reaction

* Changed reactions route to be under /reactions

* Fixed copyright dates on newly added files

* Removed debug code that prevented all unit tests from being ran

* Cleaned up unnecessary code for reactions

* Renamed ReactionStore.List to ReactionStore.GetForPost
---
 webapp/components/suggestion/emoticon_provider.jsx | 32 +++++++++++++---------
 1 file changed, 19 insertions(+), 13 deletions(-)

(limited to 'webapp/components/suggestion')

diff --git a/webapp/components/suggestion/emoticon_provider.jsx b/webapp/components/suggestion/emoticon_provider.jsx
index c2b6b9a50..d04750159 100644
--- a/webapp/components/suggestion/emoticon_provider.jsx
+++ b/webapp/components/suggestion/emoticon_provider.jsx
@@ -46,20 +46,23 @@ export default class EmoticonProvider {
     handlePretextChanged(suggestionId, pretext) {
         let hasSuggestions = false;
 
-        // look for partial matches among the named emojis
-        const captured = (/(?:^|\s)(:([^:\s]*))$/g).exec(pretext);
+        // look for the potential emoticons at the start of the text, after whitespace, and at the start of emoji reaction commands
+        const captured = (/(^|\s|^\+|^-)(:([^:\s]*))$/g).exec(pretext);
         if (captured) {
-            const text = captured[1];
-            const partialName = captured[2];
+            const prefix = captured[1];
+            const text = captured[2];
+            const partialName = captured[3];
 
             const matched = [];
 
-            // check for text emoticons
-            for (const emoticon of Object.keys(Emoticons.emoticonPatterns)) {
-                if (Emoticons.emoticonPatterns[emoticon].test(text)) {
-                    SuggestionStore.addSuggestion(suggestionId, text, EmojiStore.get(emoticon), EmoticonSuggestion, text);
+            // check for text emoticons if this isn't for an emoji reaction
+            if (prefix !== '-' && prefix !== '+') {
+                for (const emoticon of Object.keys(Emoticons.emoticonPatterns)) {
+                    if (Emoticons.emoticonPatterns[emoticon].test(text)) {
+                        SuggestionStore.addSuggestion(suggestionId, text, EmojiStore.get(emoticon), EmoticonSuggestion, text);
 
-                    hasSuggestions = true;
+                        hasSuggestions = true;
+                    }
                 }
             }
 
@@ -76,11 +79,14 @@ export default class EmoticonProvider {
 
             // sort the emoticons so that emoticons starting with the entered text come first
             matched.sort((a, b) => {
-                const aPrefix = a.name.startsWith(partialName);
-                const bPrefix = b.name.startsWith(partialName);
+                const aName = a.name || a.aliases[0];
+                const bName = b.name || b.aliases[0];
+
+                const aPrefix = aName.startsWith(partialName);
+                const bPrefix = bName.startsWith(partialName);
 
                 if (aPrefix === bPrefix) {
-                    return a.name.localeCompare(b.name);
+                    return aName.localeCompare(bName);
                 } else if (aPrefix) {
                     return -1;
                 }
@@ -88,7 +94,7 @@ export default class EmoticonProvider {
                 return 1;
             });
 
-            const terms = matched.map((emoticon) => ':' + emoticon.name + ':');
+            const terms = matched.map((emoticon) => ':' + (emoticon.name || emoticon.aliases[0]) + ':');
 
             SuggestionStore.clearSuggestions(suggestionId);
             if (terms.length > 0) {
-- 
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