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author | Allan Wang <me@allanwang.ca> | 2019-02-05 23:16:29 -0500 |
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committer | GitHub <noreply@github.com> | 2019-02-05 23:16:29 -0500 |
commit | 8e3bfc168009c8682c4f6191d655f3ca10ae9f21 (patch) | |
tree | cf8419a06e193c08622ead5e6854b995a5eeba77 /app/src/web/assets/js/document_watcher.ts | |
parent | 83fb36f666fbb934b74b5f763b8ffb2e56ca7761 (diff) | |
parent | ddfc310fde5f50ba52ef930287449c2e08faaca8 (diff) | |
download | frost-8e3bfc168009c8682c4f6191d655f3ca10ae9f21.tar.gz frost-8e3bfc168009c8682c4f6191d655f3ca10ae9f21.tar.bz2 frost-8e3bfc168009c8682c4f6191d655f3ca10ae9f21.zip |
Merge pull request #1334 from AllanWang/fix/offline-crash
Fix/offline crash
Diffstat (limited to 'app/src/web/assets/js/document_watcher.ts')
-rw-r--r-- | app/src/web/assets/js/document_watcher.ts | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/app/src/web/assets/js/document_watcher.ts b/app/src/web/assets/js/document_watcher.ts new file mode 100644 index 00000000..e671149c --- /dev/null +++ b/app/src/web/assets/js/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); |