1 files changed, 24 insertions, 0 deletions
diff --git a/app/src/web/assets/js/document_watcher.js b/app/src/web/assets/js/document_watcher.js
new file mode 100644
index 00000000..f3c4ab25
--- /dev/null
+++ b/app/src/web/assets/js/document_watcher.js
@@ -0,0 +1,24 @@
+"use strict";
+// Emit key once half the viewport is covered
+(function () {
+    var isReady = function () {
+        return document.body.scrollHeight > innerHeight + 100;
+    };
+    if (isReady()) {
+        console.log('Already ready');
+        Frost.isReady();
+        return;
+    }
+    console.log('Injected document watcher');
+    var observer = new MutationObserver(function () {
+        if (isReady()) {
+            observer.disconnect();
+            Frost.isReady();
+            console.log("Documented surpassed height in " + performance.now());
+        }
+    });
+    observer.observe(document, {
+        childList: true,
+        subtree: true
+    });
+}).call(undefined);