Rocket.Chat/packages/rocketchat-ui-message/message/message.html

<template name="message">
	<li id="{{_id}}" class="message {{isSequential}} {{system}} {{t}} {{own}} {{isTemp}} {{chatops}}" data-username="{{u.username}}" data-groupable="{{isGroupable}}" data-date="{{date}}" data-timestamp="{{timestamp}}">
		{{#if avatar}}
			{{#if avatarFromUsername}}
				<a class="thumb user-card-message" href="#" data-username="{{u.username}}" tabindex="1">{{> avatar username=avatarFromUsername}}</a>
			{{else}}
				<a class="thumb user-card-message" href="#" data-username="{{u.username}}" tabindex="1">
					<div class="avatar">
						<div class="avatar-image" style="background-image:url({{avatar}});"></div>
					</div>
				</a>
			{{/if}}
		{{else}}
			{{#if emoji}}
				<a class="thumb user-card-message" href="#" data-username="{{u.username}}" tabindex="1">
					<div class="avatar">
						{{{getEmoji emoji}}}
					</div>
				</a>
			{{else}}
				<a class="thumb user-card-message" href="#" data-username="{{u.username}}" tabindex="1">{{> avatar username=u.username}}</a>
			{{/if}}
		{{/if}}
		{{#if alias}}
			<a class="user user-card-message" href="#" data-username="{{u.username}}" tabindex="1">{{alias}} <span class="message-alias">@{{u.username}}</span></a>
		{{else}}
			<a class="user user-card-message" href="#" data-username="{{u.username}}" tabindex="1">{{u.username}}</a>
		{{/if}}
		<span class="info">
			{{#if isBot}}
				<span class="is-bot">BOT</span>
			{{/if}}
			{{#if edited}}
				<span
					title='{{_ "edited"}} at {{editTime}} {{_ "by"}} {{editedBy}}'
					class="time">
					{{time}}
				</span>
				<span class="edited" title='{{_ "edited"}} at {{editTime}} {{_ "by"}} {{editedBy}}' >
					<i class="icon-edit" aria-label="{{_ "Edited"}}"></i>
					{{_ "by"}}
					<a class="thumb thumb-small user-card-message" href="#" data-username="{{editedBy}}" tabindex="1">
						{{> avatar username=editedBy}}
					</a>
				</span>
			{{else}}
				<span class="time">{{time}}</span>
			{{/if}}
			{{#if private}}
				<span class="private">{{_ "Only_you_can_see_this_message"}}</span>
			{{/if}}

			<div class="message-cog-container">
				<i class="icon-cog message-cog" aria-label="{{_ "Actions"}}"></i>
			</div>
		</span>
		<div class="body" dir="auto">
			{{{body}}}
			{{#if hasOembed}}
				{{#each urls}}
					{{injectIndex . @index}}
					{{> oembedBaseWidget}}
				{{/each}}
			{{/if}}
			{{#each attachments}}
				{{injectIndex . @index}}
				{{> messageAttachment}}
			{{/each}}
		</div>
		<ul class="reactions {{hideReactions}}">
			{{#each reaction in reactions}}
				<li data-emoji="{{reaction.emoji}}">
					<span class="reaction-emoji">{{> emojione reaction.emoji}}</span>
					<span class="reaction-count">{{reaction.count}}</span>
					<ul class="people">
						{{#each reaction.usernames}}
							<li>{{.}}</li>
						{{/each}}
					</ul>
				</li>
			{{/each}}
			<li class="add-reaction">
				<span class="icon-people-plus"></span>
			</li>
		</ul>
	</li>
</template>