feat: Add Dark Mode

css/emoji-mart.css

@@ -4,6 +4,11 @@
   line-height: 1.15;
 }
 
+.emoji-mart-dark-bg{
+  color: #fff !important;
+  background-color: #222 !important;
+}
+
 .emoji-mart {
   font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
   font-size: 16px;
@@ -143,6 +148,10 @@
   border-radius: 100%;
 }
 
+.emoji-mart-category .emoji-mart-emoji-dark:hover:before{
+  background-color: #444;
+}
+
 .emoji-mart-category-label {
   z-index: 2;
   position: relative;
@@ -151,13 +160,17 @@
   top: 0;
 }
 
-.emoji-mart-category-label span {
+.emoji-mart-category-label-span {
   display: block;
   width: 100%;
   font-weight: 500;
   padding: 5px 6px;
-  background-color: #fff;
-  background-color: rgba(255, 255, 255, .95);
+  background-color: rgb(255, 255, 255, 0.95);
+  color: #000;
+}
+
+.emoji-mart-category-label-span-dark {
+  background-color: rgba(0, 0, 0, 0.95) !important;
 }
 
 .emoji-mart-category-list {

src/components/category.js

@@ -158,6 +158,7 @@ export default class Category extends React.Component {
         i18n,
         notFound,
         notFoundEmoji,
+        darkMode,
       } = this.props,
       emojis = this.getEmojis(),
       labelStyles = {},
@@ -174,10 +175,6 @@ export default class Category extends React.Component {
       labelStyles = {
         height: 28,
       }
-
-      labelSpanStyles = {
-        position: 'absolute',
-      }
     }
 
     return (
@@ -193,7 +190,11 @@ export default class Category extends React.Component {
           className="emoji-mart-category-label"
         >
           <span
-            style={labelSpanStyles}
+            className={
+              darkMode
+                ? 'emoji-mart-category-label-span emoji-mart-category-label-span-dark'
+                : 'emoji-mart-category-label-span'
+            }
             ref={this.setLabelRef}
             aria-hidden={true /* already labeled by the section aria-label */}
           >
@@ -209,7 +210,10 @@ export default class Category extends React.Component {
                   (emoji.short_names && emoji.short_names.join('_')) || emoji
                 }
               >
-                {NimbleEmoji({ emoji: emoji, data: this.data, ...emojiProps })}
+                {NimbleEmoji(
+                  { emoji: emoji, data: this.data, ...emojiProps },
+                  darkMode,
+                )}
               </li>
             ))}
         </ul>

src/components/emoji/nimble-emoji.js

@@ -74,7 +74,7 @@ const _convertStyleToCSS = (style) => {
   return div.getAttribute('style')
 }
 
-const NimbleEmoji = (props) => {
+const NimbleEmoji = (props, darkMode) => {
   if (props.data.compressed) {
     uncompress(props.data)
   }
@@ -97,7 +97,9 @@ const NimbleEmoji = (props) => {
   let { unified, custom, short_names, imageUrl } = data,
     style = {},
     children = props.children,
-    className = 'emoji-mart-emoji',
+    className = darkMode
+      ? 'emoji-mart-emoji emoji-mart-emoji-dark'
+      : 'emoji-mart-emoji',
     nativeEmoji = unified && unifiedToNative(unified),
     // combine the emoji itself and all shortcodes into an accessible label
     label = [nativeEmoji]

src/components/picker/nimble-picker.js

@@ -504,6 +504,7 @@ export default class NimblePicker extends React.PureComponent {
         skinEmoji,
         notFound,
         notFoundEmoji,
+        darkMode,
       } = this.props,
       { skin } = this.state,
       width = perLine * (emojiSize + 12) + 12 + 2 + measureScrollbar()
@@ -511,12 +512,13 @@ export default class NimblePicker extends React.PureComponent {
     return (
       <section
         style={{ width: width, ...style }}
-        className="emoji-mart"
+        className={`emoji-mart ${darkMode && 'emoji-mart-dark-bg'}`}
         aria-label={title}
         onKeyDown={this.handleKeyDown}
       >
         <div className="emoji-mart-bar">
           <Anchors
+            darkMode={darkMode}
             ref={this.setAnchorsRef}
             data={this.data}
             i18n={this.i18n}
@@ -528,6 +530,7 @@ export default class NimblePicker extends React.PureComponent {
         </div>
 
         <Search
+          darkMode={darkMode}
           ref={this.setSearchRef}
           onSearch={this.handleSearch}
           data={this.data}
@@ -547,6 +550,7 @@ export default class NimblePicker extends React.PureComponent {
           {this.getCategories().map((category, i) => {
             return (
               <Category
+                darkMode={darkMode}
                 ref={this.setCategoryRef.bind(this, `category-${i}`)}
                 key={category.name}
                 id={category.id}

src/components/search.js

@@ -79,7 +79,7 @@ export default class Search extends React.PureComponent {
   }
 
   render() {
-    const { i18n, autoFocus } = this.props
+    const { i18n, autoFocus, darkMode } = this.props
     const { icon, isSearching, id } = this.state
     const inputId = `emoji-mart-search-${id}`
 
@@ -92,6 +92,14 @@ export default class Search extends React.PureComponent {
           onChange={this.handleChange}
           placeholder={i18n.search}
           autoFocus={autoFocus}
+          style={
+            darkMode
+              ? {
+                  backgroundColor: '#2f2f2f',
+                  color: '#fff',
+                }
+              : {}
+          }
         />
         {/*
          * Use a <label> in addition to the placeholder for accessibility, but place it off-screen

src/utils/shared-default-props.js

@@ -31,6 +31,7 @@ const PickerDefaultProps = {
   emojisToShowFilter: null,
   showPreview: true,
   showSkinTones: true,
+  darkMode: false,
   emojiTooltip: EmojiDefaultProps.tooltip,
   autoFocus: false,
   custom: [],