adding /public/ to the mix

public/photos/static/plugins/history/galleria.history.js

@@ -0,0 +1,164 @@
+/**
+ * Galleria History Plugin
+ *
+ *
+ * Copyright (c) 2010 - 2019 worse is better UG
+ * Licensed under the MIT License.
+ */
+
+( function( window, factory ) {
+    if ( typeof define == 'function' && define.amd ) {
+        define( ['../galleria', 'jquery' ], function( Galleria, jQuery ) {
+            return factory( window, Galleria, jQuery );
+        });
+    } else if ( typeof module == 'object' && module.exports ) {
+        module.exports = factory(
+            window,
+            require('galleria'),
+            require('jquery')
+        );
+    } else {
+        factory(
+            window,
+            window.Galleria,
+            window.jQuery
+        );
+    }
+}( window, function factory( window, Galleria, $ ) {
+
+/*global jQuery, Galleria, window */
+
+Galleria.requires(1.25, 'The History Plugin requires Galleria version 1.2.5 or later.');
+
+Galleria.History = (function() {
+
+    var onloads = [],
+
+        init = false,
+
+        loc = window.location,
+
+        doc = window.document,
+
+        ie = Galleria.IE,
+
+        support = 'onhashchange' in window && ( doc.mode === undefined || doc.mode > 7 ),
+
+        iframe,
+
+        get = function( winloc ) {
+            if( iframe && !support && Galleria.IE ) {
+                winloc = winloc || iframe.location;
+            }  else {
+                winloc = loc;
+            }
+            return parseInt( winloc.hash.substr(2), 10 );
+        },
+
+        saved = get( loc ),
+
+        callbacks = [],
+
+        onchange = function() {
+            $.each( callbacks, function( i, fn ) {
+                fn.call( window, get() );
+            });
+        },
+
+        ready = function() {
+            $.each( onloads, function(i, fn) {
+                fn();
+            });
+
+            init = true;
+        },
+
+        setHash = function( val ) {
+            return '/' + val;
+        };
+
+    // always remove support if IE < 8
+    if ( support && ie < 8 ) {
+        support = false;
+    }
+
+    if ( !support ) {
+
+        $(function() {
+
+            var interval = window.setInterval(function() {
+
+                var hash = get();
+
+                if ( !isNaN( hash ) && hash != saved ) {
+                    saved = hash;
+                    loc.hash = setHash( hash );
+                    onchange();
+                }
+
+            }, 50);
+
+            if ( ie ) {
+
+                $('<iframe tabindex="-1" title="empty">').hide().attr( 'src', 'about:blank' ).one('load', function() {
+
+                    iframe = this.contentWindow;
+
+                    ready();
+
+                }).insertAfter(doc.body);
+
+            } else {
+                ready();
+            }
+        });
+    } else {
+        ready();
+    }
+
+    return {
+
+        change: function( fn ) {
+
+            callbacks.push( fn );
+
+            if( support ) {
+                window.onhashchange = onchange;
+            }
+        },
+
+        set: function( val ) {
+
+            if ( isNaN( val ) ) {
+                return;
+            }
+
+            if ( !support && ie ) {
+
+                this.ready(function() {
+
+                    var idoc = iframe.document;
+                    idoc.open();
+                    idoc.close();
+
+                    iframe.location.hash = setHash( val );
+
+                });
+            }
+
+            loc.hash = setHash( val );
+        },
+
+        ready: function(fn) {
+            if (!init) {
+                onloads.push(fn);
+            } else {
+                fn();
+            }
+        }
+    };
+}());
+
+return Galleria;
+}));
+

public/photos/static/plugins/history/galleria.history.min.js

@@ -0,0 +1,10 @@
+/**
+ * Galleria - v1.6.1 2019-10-17
+ * 
+ *
+ * Copyright (c) 2010 - 2019 worse is better UG
+ * Licensed under the MIT License.
+ */
+
+
+!function(a,b){"function"==typeof define&&define.amd?define(["../galleria","jquery"],function(c,d){return b(a,c,d)}):"object"==typeof module&&module.exports?module.exports=b(a,require("galleria"),require("jquery")):b(a,a.Galleria,a.jQuery)}(window,function(a,b,c){return b.requires(1.25,"The History Plugin requires Galleria version 1.2.5 or later."),b.History=function(){var d,e=[],f=!1,g=a.location,h=a.document,i=b.IE,j="onhashchange"in a&&(void 0===h.mode||h.mode>7),k=function(a){return a=d&&!j&&b.IE?a||d.location:g,parseInt(a.hash.substr(2),10)},l=k(g),m=[],n=function(){c.each(m,function(b,c){c.call(a,k())})},o=function(){c.each(e,function(a,b){b()}),f=!0},p=function(a){return"/"+a};return j&&i<8&&(j=!1),j?o():c(function(){a.setInterval(function(){var a=k();isNaN(a)||a==l||(l=a,g.hash=p(a),n())},50);i?c('<iframe tabindex="-1" title="empty">').hide().attr("src","about:blank").one("load",function(){d=this.contentWindow,o()}).insertAfter(h.body):o()}),{change:function(b){m.push(b),j&&(a.onhashchange=n)},set:function(a){isNaN(a)||(!j&&i&&this.ready(function(){var b=d.document;b.open(),b.close(),d.location.hash=p(a)}),g.hash=p(a))},ready:function(a){f?a():e.push(a)}}}(),b});