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authorAllan Wang <me@allanwang.ca>2019-02-05 22:13:41 -0500
committerGitHub <noreply@github.com>2019-02-05 22:13:41 -0500
commit330bf2857396b15752afadb030c981a1cb2848fe (patch)
treece224b4ce241ccc58af32614052b2a407f3e89c0 /app/src/web/assets/js/document_watcher.js
parentc484c2728c1688ed695205a420eba3f2b2ba179d (diff)
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Enhancement/js (#1344)
* Attempt to add package json * Add initial typescript components * Convert remaining files * Remove some null checks * Reorganize folders * Add missing js and tests for file paths * Delete unused babelrc * Remove unused packages
Diffstat (limited to 'app/src/web/assets/js/document_watcher.js')
-rw-r--r--app/src/web/assets/js/document_watcher.js24
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);