Move all files to 2017/

2017/web/core/modules/book/book.js

@@ -0,0 +1,26 @@
+/**
+* DO NOT EDIT THIS FILE.
+* See the following change record for more information,
+* https://www.drupal.org/node/2815083
+* @preserve
+**/
+
+(function ($, Drupal) {
+  Drupal.behaviors.bookDetailsSummaries = {
+    attach: function attach(context) {
+      $(context).find('.book-outline-form').drupalSetSummary(function (context) {
+        var $select = $(context).find('.book-title-select');
+        var val = $select.val();
+
+        if (val === '0') {
+          return Drupal.t('Not in book');
+        }
+        if (val === 'new') {
+          return Drupal.t('New book');
+        }
+
+        return Drupal.checkPlain($select.find(':selected').text());
+      });
+    }
+  };
+})(jQuery, Drupal);