Improve accessibility for emoji

client/js/libs/handlebars/parse.js

@@ -9,6 +9,7 @@ const findEmoji = require("./ircmessageparser/findEmoji");
 const findNames = require("./ircmessageparser/findNames");
 const merge = require("./ircmessageparser/merge");
 const colorClass = require("./colorClass");
+const emojiMap = require("../fullnamemap.json");
 
 // Create an HTML `span` with styling information for a given fragment
 function createFragment(fragment) {
@@ -114,7 +115,11 @@ module.exports = function parse(text, users) {
 			const escapedChannel = Handlebars.Utils.escapeExpression(textPart.channel);
 			return `<span class="inline-channel" role="button" tabindex="0" data-chan="${escapedChannel}">${fragments}</span>`;
 		} else if (textPart.emoji) {
-			return `<span class="emoji">${fragments}</span>`;
+			if (!emojiMap[textPart.emoji]) {
+				return `<span class="emoji" role="img">${fragments}</span>`;
+			}
+
+			return `<span class="emoji" role="img" aria-label="Emoji: ${emojiMap[textPart.emoji]}" title="${emojiMap[textPart.emoji]}">${fragments}</span>`;
 		} else if (textPart.nick) {
 			const nick = Handlebars.Utils.escapeExpression(textPart.nick);
 			return `<span role="button" class="user ${colorClass(nick)}" data-name="${nick}">${fragments}</span>`;

scripts/generate-emoji.js

@@ -10,18 +10,19 @@ request.get({
 	json: true,
 }, (error, response, emojiStrategy) => {
 	const emojiMap = {};
+	const fullNameEmojiMap = {};
 
 	for (const key in emojiStrategy) {
 		if (emojiStrategy.hasOwnProperty(key)) {
 			const shortname = prepareShortName(emojiStrategy[key].shortname);
+			const unicode = stringToUnicode(emojiStrategy[key].unicode_output);
+			fullNameEmojiMap[unicode] = emojiStrategy[key].name;
 
 			// Skip tones, at least for now
 			if (shortname.includes("tone")) {
 				continue;
 			}
 
-			const unicode = stringToUnicode(emojiStrategy[key].unicode_output);
-
 			emojiMap[shortname] = unicode;
 
 			for (let alternative of emojiStrategy[key].shortname_alternates) {
@@ -36,7 +37,8 @@ request.get({
 		}
 	}
 
-	const output = JSON.stringify(emojiMap, null, 2) + "\n";
+	const emojiMapOutput = JSON.stringify(emojiMap, null, 2) + "\n";
+	const fullNameEmojiMapOutput = JSON.stringify(fullNameEmojiMap, null, 2) + "\n";
 
 	fs.writeFileSync(path.resolve(path.join(
 		__dirname,
@@ -45,7 +47,16 @@ request.get({
 		"js",
 		"libs",
 		"simplemap.json"
-	)), output);
+	)), emojiMapOutput);
+
+	fs.writeFileSync(path.resolve(path.join(
+		__dirname,
+		"..",
+		"client",
+		"js",
+		"libs",
+		"fullnamemap.json"
+	)), fullNameEmojiMapOutput);
 });
 
 function stringToUnicode(key) {

test/client/js/libs/handlebars/parse.js

@@ -358,16 +358,20 @@ describe("parse Handlebars helper", () => {
 	[{
 		name: "in text",
 		input: "Hello💬",
-		expected: 'Hello<span class="emoji">💬</span>',
+		expected: 'Hello<span class="emoji" role="img" aria-label="Emoji: speech balloon" title="speech balloon">💬</span>',
+	}, {
+		name: "complicated zero-join-width emoji",
+		input: "🤦🏿‍♀️",
+		expected: '<span class="emoji" role="img" aria-label="Emoji: woman facepalming: dark skin tone" title="woman facepalming: dark skin tone">🤦🏿‍♀️</span>',
 	}, {
 		name: "with modifiers",
 		input: "🤷‍♀️",
-		expected: '<span class="emoji">🤷‍♀️</span>',
+		expected: '<span class="emoji" role="img" aria-label="Emoji: woman shrugging" title="woman shrugging">🤷‍♀️</span>',
 	}, {
 		// FIXME: These multiple `span`s should be optimized into a single one. See https://github.com/thelounge/thelounge/issues/1783
 		name: "wrapped in style",
 		input: "Super \x034💚 green!",
-		expected: 'Super <span class="emoji"><span class="irc-fg4">💚</span></span><span class="irc-fg4"> green!</span>',
+		expected: 'Super <span class="emoji" role="img" aria-label="Emoji: green heart" title="green heart"><span class="irc-fg4">💚</span></span><span class="irc-fg4"> green!</span>',
 	}, {
 		name: "wrapped in URLs",
 		input: "https://i.❤️.thelounge.chat",