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-rw-r--r--app/src/web/ts/document_watcher.ts27
1 files changed, 27 insertions, 0 deletions
diff --git a/app/src/web/ts/document_watcher.ts b/app/src/web/ts/document_watcher.ts
new file mode 100644
index 00000000..e671149c
--- /dev/null
+++ b/app/src/web/ts/document_watcher.ts
@@ -0,0 +1,27 @@
+// Emit key once half the viewport is covered
+(function () {
+ const isReady = () => {
+ return document.body.scrollHeight > innerHeight + 100
+ };
+
+ if (isReady()) {
+ console.log('Already ready');
+ Frost.isReady();
+ return
+ }
+
+ console.log('Injected document watcher');
+
+ const observer = new MutationObserver(() => {
+ if (isReady()) {
+ observer.disconnect();
+ Frost.isReady();
+ console.log(`Documented surpassed height in ${performance.now()}`);
+ }
+ });
+
+ observer.observe(document, {
+ childList: true,
+ subtree: true
+ })
+}).call(undefined);