Add upstream

wp-content/plugins/jetpack/modules/comment-likes/comment-like-count.js

@@ -0,0 +1,42 @@
+jQuery( document ).ready( function( $ ) {
+	var jsonAPIbase = 'https://public-api.wordpress.com/rest/v1',
+		APIqueue = [];
+
+	function getCommentLikeCounts() {
+		$( '.comment-like-count' ).each( function() {
+			var blogId = $( this ).attr( 'data-blog-id' ),
+				commentId = $( this ).attr( 'data-comment-id' );
+
+			APIqueue.push( '/sites/' + blogId + '/comments/' + commentId + '/likes' );
+		} );
+
+		return $.ajax( {
+			type: 'GET',
+			url: jsonAPIbase + '/batch',
+			dataType: 'jsonp',
+			data: 'urls[]=' + APIqueue.map( encodeURIComponent ).join( '&urls[]=' ),
+			success: function( response ) {
+				for ( var path in response ) {
+					if ( ! response[ path ].error_data ) {
+						var urlPieces = path.split( '/' ),
+							commentId = urlPieces[ 4 ],
+							likeCount = response[ path ].found;
+
+						if ( likeCount < 1 ) {
+							return;
+						}
+
+						$( '#comment-like-count-' + commentId )
+							.find( '.like-count' )
+							.hide()
+							.text( likeCount )
+							.fadeIn();
+					}
+				}
+			},
+			error: function() {},
+		} );
+	}
+
+	getCommentLikeCounts();
+} );