From a1f78f1d75dc9ee2072ef204449a01c0a6830773 Mon Sep 17 00:00:00 2001
From: Georgy Marchuk <gmarcuk@gmail.com>
Date: Fri, 12 Oct 2018 00:21:38 +0200
Subject: [PATCH] fix display of correct url on redirected links

---
 dist/swup.js                   | 45 +++++++++++++++++++++++++---------
 dist/swup.min.js               |  2 +-
 package.json                   |  2 +-
 src/index.js                   |  2 +-
 src/modules/getDataFromHtml.js |  5 ++--
 src/modules/loadPage.js        |  2 +-
 src/modules/preloadPages.js    | 18 ++++++++------
 src/modules/renderPage.js      | 16 ++++++++++++
 8 files changed, 66 insertions(+), 26 deletions(-)

diff --git a/dist/swup.js b/dist/swup.js
index 3e7376eb..40d85a19 100644
--- a/dist/swup.js
+++ b/dist/swup.js
@@ -555,7 +555,7 @@ var Swup = function () {
                                 return;
                             } else {
                                 // get json data
-                                var page = _this2.getDataFromHtml(response);
+                                var page = _this2.getDataFromHtml(response, request);
                                 if (page != null) {
                                     page.url = link.getAddress();
                                     _this2.cache.cacheUrl(page, _this2.options.debugMode);
@@ -929,7 +929,7 @@ module.exports = function (options) {
 "use strict";
 
 
-module.exports = function (html) {
+module.exports = function (html, request) {
     var _this = this;
 
     var content = html.replace('<body', '<div id="swupBody"').replace('</body>', '</div>');
@@ -953,7 +953,8 @@ module.exports = function (html) {
         title: fakeDom.querySelector('title').innerText,
         pageClass: fakeDom.querySelector('#swupBody').className,
         originalContent: html,
-        blocks: blocks
+        blocks: blocks,
+        responseURL: request != null ? request.responseURL : window.location.href
     };
     return json;
 };
@@ -1034,7 +1035,7 @@ module.exports = function (data, popstate) {
                         return;
                     } else {
                         // get json data
-                        var page = _this.getDataFromHtml(response);
+                        var page = _this.getDataFromHtml(response, request);
                         if (page != null) {
                             page.url = data.url;
                         } else {
@@ -1076,6 +1077,12 @@ module.exports = function (data, popstate) {
 "use strict";
 
 
+var _Link = __webpack_require__(0);
+
+var _Link2 = _interopRequireDefault(_Link);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
 var forEach = Array.prototype.forEach;
 
 
@@ -1084,6 +1091,18 @@ module.exports = function (page, popstate) {
 
     document.documentElement.classList.remove('is-leaving');
 
+    // replace state in case the url was redirected
+    var link = new _Link2.default();
+    link.setPath(page.responseURL);
+
+    if (window.location.pathname !== link.getPath()) {
+        window.history.replaceState({
+            url: link.getPath(),
+            random: Math.random(),
+            source: "swup"
+        }, document.title, link.getPath());
+    }
+
     // only add for non-popstate transitions
     if (!popstate || this.options.animateHistoryBrowsing) {
         document.documentElement.classList.add('is-rendering');
@@ -1416,7 +1435,7 @@ var _Link2 = _interopRequireDefault(_Link);
 
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
-module.exports = function (eventName) {
+module.exports = function () {
     var _this = this;
 
     if (this.options.preload) {
@@ -1424,16 +1443,18 @@ module.exports = function (eventName) {
             var link = new _Link2.default();
             link.setPath(pathname);
             if (link.getAddress() != _this.currentUrl && !_this.cache.exists(link.getAddress()) && _this.preloadPromise == null) {
-                _this.getPage({ url: link.getAddress() }, function (response) {
-                    if (response === null) {
-                        console.warn('Server error.');
+                _this.getPage({ url: link.getAddress() }, function (response, request) {
+                    if (request.status === 500) {
                         _this.triggerEvent('serverError');
+                        return;
                     } else {
                         // get json data
-                        var page = _this.getDataFromHtml(response);
-                        page.url = link.getAddress();
-                        _this.cache.cacheUrl(page, _this.options.debugMode);
-                        _this.triggerEvent('pagePreloaded');
+                        var page = _this.getDataFromHtml(response, request);
+                        if (page != null) {
+                            page.url = link.getAddress();
+                            _this.cache.cacheUrl(page, _this.options.debugMode);
+                            _this.triggerEvent('pagePreloaded');
+                        }
                     }
                 });
             }
diff --git a/dist/swup.min.js b/dist/swup.min.js
index 7bce23e4..cf4ac9c7 100644
--- a/dist/swup.min.js
+++ b/dist/swup.min.js
@@ -1 +1 @@
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r.default;o.setPath(e.responseURL);if(window.location.pathname!==o.getPath()){window.history.replaceState({url:o.getPath(),random:Math.random(),source:"swup"},document.title,o.getPath())}if(!t||this.options.animateHistoryBrowsing){document.documentElement.classList.add("is-rendering")}this.triggerEvent("willReplaceContent");for(var i=0;i<e.blocks.length;i++){document.body.querySelector('[data-swup="'+i+'"]').outerHTML=e.blocks[i]}document.title=e.title;this.triggerEvent("contentReplaced");this.triggerEvent("pageView");if(!this.options.cache){this.cache.empty(this.options.debugMode)}setTimeout(function(){document.documentElement.classList.remove("is-animating")},10);if(this.options.pageClassPrefix!==false){document.body.className.split(" ").forEach(function(e){if(e!=""&&e.includes(n.options.pageClassPrefix)){document.body.classList.remove(e)}})}if(e.pageClass!=""){e.pageClass.split(" ").forEach(function(e){if(e!=""&&e.includes(n.options.pageClassPrefix)){document.body.classList.add(e)}})}if(!this.options.doScrollingRightAway||this.scrollToElement){this.doScrolling(t)}var a=document.querySelectorAll(this.options.animationSelector);var l=[];s.call(a,function(e){var t=new Promise(function(t){e.addEventListener(n.transitionEndEvent,function(n){if(e==n.target){t()}})});l.push(t)});this.preloadPages();Promise.all(l).then(function(){n.triggerEvent("animationInDone");document.documentElement.className.split(" ").forEach(function(e){if(new RegExp("^to-").test(e)||e==="is-changing"||e==="is-rendering"||e==="is-popstate"){document.documentElement.classList.remove(e)}})});this.getUrl()}},function(e,t,n){"use strict";e.exports=function(e,t){setTimeout(function(){document.body.classList.remove("is-changing");history.back()},100)}},function(e,t,n){"use strict";e.exports=function(e){window.history.pushState({url:e||window.location.href.split(window.location.hostname)[1],random:Math.random(),source:"swup"},document.getElementsByTagName("title")[0].innerText,e||window.location.href.split(window.location.hostname)[1])}},function(e,t,n){"use strict";e.exports=function(e){if(this.options.debugMode){console.log("%cswup:"+"%c"+e,"color: #343434","color: #009ACD")}var t=new CustomEvent("swup:"+e,{detail:e});document.dispatchEvent(t)}},function(e,t,n){"use strict";e.exports=function(){this.currentUrl=window.location.pathname+window.location.search}},function(e,t,n){"use strict";e.exports=function(e,t){var n=this;var o=arguments.length>2&&arguments[2]!==undefined?arguments[2]:this.options.animateScroll;var r=1-this.options.scrollFriction;var i=this.options.scrollAcceleration;var s=0;var a=0;var l=0;var u=0;var c=0;var d=null;function f(){return document.body.scrollTop||document.documentElement.scrollTop}var h=function e(){var t=p();m();if(c===1&&l>s||c===-1&&l<s){d=requestAnimationFrame(e)}else{window.scrollTo(0,l);n.triggerEvent("scrollDone")}};function p(){var e=u-s;var t=e*i;g(t);a*=r;s+=a;return e}var g=function e(t){a+=t};var m=function e(){window.scrollTo(0,s)};window.addEventListener("mousewheel",function(e){if(d){cancelAnimationFrame(d);d=null}},{passive:true});var v=function e(t,o){s=f();c=s>t?-1:1;u=t+c;l=t;a=0;if(s!=l){h()}else{n.triggerEvent("scrollDone")}};this.triggerEvent("scrollStart");if(o==0){window.scrollTo(0,t);this.triggerEvent("scrollDone")}else{v(t)}}},function(e,t,n){"use strict";e.exports=function(e){var t=e.toString().toLowerCase().replace(/\s+/g,"-").replace(/\//g,"-").replace(/[^\w\-]+/g,"").replace(/\-\-+/g,"-").replace(/^-+/,"").replace(/-+$/,"");if(t[0]=="/")t=t.splice(1);if(t=="")t="homepage";return t}},function(e,t,n){"use strict";e.exports=function(e){if(this.options.scroll&&(!e||this.options.animateHistoryBrowsing)){if(this.scrollToElement!=null){var t=document.querySelector(this.scrollToElement);if(t!=null){var n=t.getBoundingClientRect().top+window.pageYOffset;this.scrollTo(document.body,n)}else{console.warn("Element for offset not found ("+this.scrollToElement+")")}this.scrollToElement=null}else{this.scrollTo(document.body,0)}}}},function(e,t,n){"use strict";e.exports=function(e){var t=this;var n=0;for(var o=0;o<this.options.elements.length;o++){if(e.querySelector(this.options.elements[o])==null){console.warn("Element "+this.options.elements[o]+" is not in current page.")}else{[].forEach.call(document.body.querySelectorAll(this.options.elements[o]),function(r,i){e.querySelectorAll(t.options.elements[o])[i].dataset.swup=n;n++})}}}},function(e,t,n){"use strict";e.exports=function(e,t,n){if(e=="/"){e="/homepage"}if(t=="/"){t="/homepage"}this.transition={from:e.replace("/",""),to:t.replace("/","")};if(n){this.transition.custom=n}}},function(e,t,n){"use strict";var o=n(0);var r=i(o);function i(e){return e&&e.__esModule?e:{default:e}}e.exports=function(){var e=this;if(this.options.preload){var t=function t(n){var o=new r.default;o.setPath(n);if(o.getAddress()!=e.currentUrl&&!e.cache.exists(o.getAddress())&&e.preloadPromise==null){e.getPage({url:o.getAddress()},function(t,n){if(n.status===500){e.triggerEvent("serverError");return}else{var r=e.getDataFromHtml(t,n);if(r!=null){r.url=o.getAddress();e.cache.cacheUrl(r,e.options.debugMode);e.triggerEvent("pagePreloaded")}}})}};document.querySelectorAll("[data-swup-preload]").forEach(function(e){t(e.href)})}}},function(e,t,n){"use strict";e.exports=function(e,t){var n=this;t=Object.assign({},e.options,t);e.options=t;var o=function e(){var t=n.cache.getPage(window.location.pathname+window.location.search);var o=document.createElement("html");o.innerHTML=t.originalContent;return o};this.plugins.push(e);e.exec(t,this,o);return this.plugins}},function(e,t,n){"use strict";e.exports=function(e){if(this.options.debugMode){console.log(e+"%c","color: #009ACD")}}}])});
\ No newline at end of file
diff --git a/package.json b/package.json
index a061c6e9..0952ea99 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "swup",
-  "version": "1.3.3",
+  "version": "1.4.0",
   "description": "Animated page transitions with css.",
   "main": "lib/index.js",
   "scripts": {
diff --git a/src/index.js b/src/index.js
index 789e66aa..34f3ca62 100755
--- a/src/index.js
+++ b/src/index.js
@@ -302,7 +302,7 @@ export default class Swup {
                             return;
                         } else {
                             // get json data
-                            var page = this.getDataFromHtml(response)
+                            var page = this.getDataFromHtml(response, request)
                             if (page != null) {
                                 page.url = link.getAddress()
                                 this.cache.cacheUrl(page, this.options.debugMode)
diff --git a/src/modules/getDataFromHtml.js b/src/modules/getDataFromHtml.js
index e3fdcbdf..64972736 100755
--- a/src/modules/getDataFromHtml.js
+++ b/src/modules/getDataFromHtml.js
@@ -1,4 +1,4 @@
-module.exports = function (html) {
+module.exports = function (html, request) {
     let content = html.replace('<body', '<div id="swupBody"').replace('</body>', '</div>')
     let fakeDom = document.createElement('div')
     fakeDom.innerHTML = content
@@ -20,7 +20,8 @@ module.exports = function (html) {
         title: fakeDom.querySelector('title').innerText,
         pageClass:  fakeDom.querySelector('#swupBody').className,
         originalContent: html,
-        blocks: blocks
+        blocks: blocks,
+        responseURL: request != null ? request.responseURL : window.location.href,
     }
     return json;
 }
\ No newline at end of file
diff --git a/src/modules/loadPage.js b/src/modules/loadPage.js
index c2ee2472..d709a3b1 100755
--- a/src/modules/loadPage.js
+++ b/src/modules/loadPage.js
@@ -68,7 +68,7 @@ module.exports = function (data, popstate) {
                         return;
                     } else {
                         // get json data
-                        var page = this.getDataFromHtml(response)
+                        var page = this.getDataFromHtml(response, request)
                         if (page != null) {
                             page.url = data.url
                         } else {
diff --git a/src/modules/preloadPages.js b/src/modules/preloadPages.js
index bb00566c..d2da62f7 100755
--- a/src/modules/preloadPages.js
+++ b/src/modules/preloadPages.js
@@ -1,21 +1,23 @@
 import Link from '../Link'
 
-module.exports = function (eventName) {
+module.exports = function () {
     if (this.options.preload) {
         const preload = pathname => {
             var link = new Link()
             link.setPath(pathname)
             if (link.getAddress() != this.currentUrl && !this.cache.exists(link.getAddress()) && this.preloadPromise == null) {
-                this.getPage({ url: link.getAddress() }, response => {
-                    if (response === null) {
-                        console.warn('Server error.')
+                this.getPage({ url: link.getAddress() }, (response, request) => {
+                    if (request.status === 500) {
                         this.triggerEvent('serverError')
+                        return;
                     } else {
                         // get json data
-                        var page = this.getDataFromHtml(response)
-                        page.url = link.getAddress()
-                        this.cache.cacheUrl(page, this.options.debugMode)
-                        this.triggerEvent('pagePreloaded')
+                        var page = this.getDataFromHtml(response, request)
+                        if (page != null) {
+                            page.url = link.getAddress()
+                            this.cache.cacheUrl(page, this.options.debugMode)
+                            this.triggerEvent('pagePreloaded')
+                        }
                     }
                 })
             }
diff --git a/src/modules/renderPage.js b/src/modules/renderPage.js
index de93b777..f7d5d18b 100755
--- a/src/modules/renderPage.js
+++ b/src/modules/renderPage.js
@@ -1,8 +1,24 @@
 const { forEach } = Array.prototype;
+import Link from '../Link';
 
 module.exports = function (page, popstate) {
     document.documentElement.classList.remove('is-leaving')
 
+    // replace state in case the url was redirected
+    let link = new Link()
+    link.setPath(page.responseURL)
+
+    if (window.location.pathname !== link.getPath()) {
+        window.history.replaceState({
+                url: link.getPath(),
+                random: Math.random(),
+                source: "swup",
+            },
+            document.title,
+            link.getPath(),
+        );
+    }
+
     // only add for non-popstate transitions
     if (!popstate || this.options.animateHistoryBrowsing) {
         document.documentElement.classList.add('is-rendering')