Add embeddable posts

priv/static/embed.js

@@ -0,0 +1,43 @@
+(function () {
+  'use strict'
+
+  var ready = function (loaded) {
+    if (['interactive', 'complete'].indexOf(document.readyState) !== -1) {
+      loaded()
+    } else {
+      document.addEventListener('DOMContentLoaded', loaded)
+    }
+  }
+
+  ready(function () {
+    var iframes = []
+
+    window.addEventListener('message', function (e) {
+      var data = e.data || {}
+
+      if (data.type !== 'setHeightPleromaEmbed' || !iframes[data.id]) {
+        return
+      }
+
+      iframes[data.id].height = data.height
+    });
+
+    [].forEach.call(document.querySelectorAll('iframe.pleroma-embed'), function (iframe) {
+      iframe.scrolling = 'no'
+      iframe.style.overflow = 'hidden'
+
+      iframes.push(iframe)
+
+      var id = iframes.length - 1
+
+      iframe.onload = function () {
+        iframe.contentWindow.postMessage({
+          type: 'setHeightPleromaEmbed',
+          id: id
+        }, '*')
+      }
+
+      iframe.onload()
+    })
+  })
+})()