add inf scrolling

.gitignore

@@ -26,3 +26,4 @@ dist/
 config.json
 changelog.md
 changelog.md.bk
+assets/built

assets/built/yuika.js

@@ -1,2 +1,2 @@
-!function(d){"use strict";d.fn.fitVids=function(t){var i={customSelector:null,ignore:null};if(!document.getElementById("fit-vids-style")){var e=document.head||document.getElementsByTagName("head")[0],r=document.createElement("div");r.innerHTML='<p>x</p><style id="fit-vids-style">.fluid-width-video-container{flex-grow: 1;width:100%;}.fluid-width-video-wrapper{width:100%;position:relative;padding:0;}.fluid-width-video-wrapper iframe,.fluid-width-video-wrapper object,.fluid-width-video-wrapper embed {position:absolute;top:0;left:0;width:100%;height:100%;}</style>',e.appendChild(r.childNodes[1])}return t&&d.extend(i,t),this.each(function(){var t=['iframe[src*="player.vimeo.com"]','iframe[src*="youtube.com"]','iframe[src*="youtube-nocookie.com"]','iframe[src*="kickstarter.com"][src*="video.html"]',"object","embed"];i.customSelector&&t.push(i.customSelector);var r=".fitvidsignore";i.ignore&&(r=r+", "+i.ignore);var e=d(this).find(t.join(","));(e=(e=e.not("object object")).not(r)).each(function(){var t=d(this);if(!(0<t.parents(r).length||"embed"===this.tagName.toLowerCase()&&t.parent("object").length||t.parent(".fluid-width-video-wrapper").length)){t.css("height")||t.css("width")||!isNaN(t.attr("height"))&&!isNaN(t.attr("width"))||(t.attr("height",9),t.attr("width",16));var e=("object"===this.tagName.toLowerCase()||t.attr("height")&&!isNaN(parseInt(t.attr("height"),10))?parseInt(t.attr("height"),10):t.height())/(isNaN(parseInt(t.attr("width"),10))?t.width():parseInt(t.attr("width"),10));if(!t.attr("name")){var i="fitvid"+d.fn.fitVids._count;t.attr("name",i),d.fn.fitVids._count++}t.wrap('<div class="fluid-width-video-container"><div class="fluid-width-video-wrapper"></div></div>').parent(".fluid-width-video-wrapper").css("padding-top",100*e+"%"),t.removeAttr("height").removeAttr("width")}})})},d.fn.fitVids._count=0}(window.jQuery||window.Zepto);
+!function(t,i){var r=i.querySelector("link[rel=next]");if(r){var n=i.querySelector(".post-feed");if(n){var o=300,d=!1,s=!1,a=t.scrollY,c=t.innerHeight,l=i.documentElement.scrollHeight;t.addEventListener("scroll",f,{passive:!0}),t.addEventListener("resize",v),u()}}function h(){if(404===this.status)return t.removeEventListener("scroll",f),void t.removeEventListener("resize",v);this.response.querySelectorAll(".post-card").forEach(function(e){n.appendChild(i.importNode(e,!0))});var e=this.response.querySelector("link[rel=next]");e?r.href=e.href:(t.removeEventListener("scroll",f),t.removeEventListener("resize",v)),l=i.documentElement.scrollHeight,s=d=!1}function e(){if(!s)if(a+c<=l-o)d=!1;else{s=!0;var e=new t.XMLHttpRequest;e.responseType="document",e.addEventListener("load",h),e.open("GET",r.href),e.send(null)}}function u(){d||t.requestAnimationFrame(e),d=!0}function f(){a=t.scrollY,u()}function v(){c=t.innerHeight,l=i.documentElement.scrollHeight,u()}}(window,document),function(n){"use strict";n.fn.fitVids=function(e){var i={customSelector:null,ignore:null};if(!document.getElementById("fit-vids-style")){var t=document.head||document.getElementsByTagName("head")[0],r=document.createElement("div");r.innerHTML='<p>x</p><style id="fit-vids-style">.fluid-width-video-container{flex-grow: 1;width:100%;}.fluid-width-video-wrapper{width:100%;position:relative;padding:0;}.fluid-width-video-wrapper iframe,.fluid-width-video-wrapper object,.fluid-width-video-wrapper embed {position:absolute;top:0;left:0;width:100%;height:100%;}</style>',t.appendChild(r.childNodes[1])}return e&&n.extend(i,e),this.each(function(){var e=['iframe[src*="player.vimeo.com"]','iframe[src*="youtube.com"]','iframe[src*="youtube-nocookie.com"]','iframe[src*="kickstarter.com"][src*="video.html"]',"object","embed"];i.customSelector&&e.push(i.customSelector);var r=".fitvidsignore";i.ignore&&(r=r+", "+i.ignore);var t=n(this).find(e.join(","));(t=(t=t.not("object object")).not(r)).each(function(){var e=n(this);if(!(0<e.parents(r).length||"embed"===this.tagName.toLowerCase()&&e.parent("object").length||e.parent(".fluid-width-video-wrapper").length)){e.css("height")||e.css("width")||!isNaN(e.attr("height"))&&!isNaN(e.attr("width"))||(e.attr("height",9),e.attr("width",16));var t=("object"===this.tagName.toLowerCase()||e.attr("height")&&!isNaN(parseInt(e.attr("height"),10))?parseInt(e.attr("height"),10):e.height())/(isNaN(parseInt(e.attr("width"),10))?e.width():parseInt(e.attr("width"),10));if(!e.attr("name")){var i="fitvid"+n.fn.fitVids._count;e.attr("name",i),n.fn.fitVids._count++}e.wrap('<div class="fluid-width-video-container"><div class="fluid-width-video-wrapper"></div></div>').parent(".fluid-width-video-wrapper").css("padding-top",100*t+"%"),e.removeAttr("height").removeAttr("width")}})})},n.fn.fitVids._count=0}(window.jQuery||window.Zepto);
 //# sourceMappingURL=yuika.js.map

assets/js/infinite-scroll.js

@@ -0,0 +1,112 @@
+/* eslint-env browser */
+
+/**
+ * Infinite Scroll
+ * Used on all pages where there is a list of posts (homepage, tag index, etc).
+ *
+ * When the page is scrolled to 300px from the bottom, the next page of posts
+ * is fetched by following the the <link rel="next" href="..."> that is output
+ * by {{ghost_head}}.
+ *
+ * The individual post items are extracted from the fetched pages by looking for
+ * a wrapper element with the class "post-card". Any found elements are appended
+ * to the element with the class "post-feed" in the currently viewed page.
+ */
+
+(function (window, document) {
+    // next link element
+    var nextElement = document.querySelector('link[rel=next]');
+    if (!nextElement) {
+        return;
+    }
+
+    // post feed element
+    var feedElement = document.querySelector('.post-feed');
+    if (!feedElement) {
+        return;
+    }
+
+    var buffer = 300;
+
+    var ticking = false;
+    var loading = false;
+
+    var lastScrollY = window.scrollY;
+    var lastWindowHeight = window.innerHeight;
+    var lastDocumentHeight = document.documentElement.scrollHeight;
+
+    function onPageLoad() {
+        if (this.status === 404) {
+            window.removeEventListener('scroll', onScroll);
+            window.removeEventListener('resize', onResize);
+            return;
+        }
+
+        // append contents
+        var postElements = this.response.querySelectorAll('.post-card');
+        postElements.forEach(function (item) {
+            // document.importNode is important, without it the item's owner
+            // document will be different which can break resizing of
+            // `object-fit: cover` images in Safari
+            feedElement.appendChild(document.importNode(item, true));
+        });
+
+        // set next link
+        var resNextElement = this.response.querySelector('link[rel=next]');
+        if (resNextElement) {
+            nextElement.href = resNextElement.href;
+        } else {
+            window.removeEventListener('scroll', onScroll);
+            window.removeEventListener('resize', onResize);
+        }
+
+        // sync status
+        lastDocumentHeight = document.documentElement.scrollHeight;
+        ticking = false;
+        loading = false;
+    }
+
+    function onUpdate() {
+        // return if already loading
+        if (loading) {
+            return;
+        }
+
+        // return if not scroll to the bottom
+        if (lastScrollY + lastWindowHeight <= lastDocumentHeight - buffer) {
+            ticking = false;
+            return;
+        }
+
+        loading = true;
+
+        var xhr = new window.XMLHttpRequest();
+        xhr.responseType = 'document';
+
+        xhr.addEventListener('load', onPageLoad);
+
+        xhr.open('GET', nextElement.href);
+        xhr.send(null);
+    }
+
+    function requestTick() {
+        ticking || window.requestAnimationFrame(onUpdate);
+        ticking = true;
+    }
+
+    function onScroll() {
+        lastScrollY = window.scrollY;
+        requestTick();
+    }
+
+    function onResize() {
+        lastWindowHeight = window.innerHeight;
+        lastDocumentHeight = document.documentElement.scrollHeight;
+        requestTick();
+    }
+
+    window.addEventListener('scroll', onScroll, {passive: true});
+    window.addEventListener('resize', onResize);
+
+    requestTick();
+})(window, document);

author.hbs

@@ -46,7 +46,7 @@
 </div>
 {{/author}}
 
-<div class="container px-6 my-6 flex flex-wrap justify-between mx-auto">
+<div class="container px-6 my-6 flex flex-wrap justify-between mx-auto post-feed">
 {{#foreach posts}}
   {{> "post-card"}}
 {{/foreach}}

index.hbs

@@ -9,7 +9,7 @@
   </div>
 </div>
 
-<div class="container px-6 my-6 flex flex-wrap justify-between mx-auto">
+<div class="container px-6 my-6 flex flex-wrap justify-between mx-auto post-feed">
 {{#foreach posts}}
   {{> "post-card"}}
 {{/foreach}}

partials/post-card.hbs

@@ -1,4 +1,4 @@
-<div class="w-full md:w-1/2 px-3 py-6">
+<div class="post-card w-full md:w-1/2 px-3 py-6">
 <article class="relative group w-full">
   {{> post-background}} {{!--Special header-image.hbs partial to generate the background image--}}
     <div class="h-full md:bg-black md:opacity-50 md:group-hover:opacity-75 transition-opacity">

tag.hbs

@@ -23,7 +23,7 @@
 </div>
 {{/tag}}
 
-<div class="container px-6 my-6 flex flex-wrap justify-between mx-auto">
+<div class="container px-6 my-6 flex flex-wrap justify-between mx-auto post-feed">
 {{#foreach posts}}
   {{> "post-card"}}
 {{/foreach}}